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linux-sg2042
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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
  mfd: Clean up max8997 IRQ namespace
  mfd: Fold irq_set_chip/irq_set_handler
  mfd: Cleanup irq namespace
  mfd: twl6030: Cleanup interrupt handling
  mfd: twl4030: Cleanup interrupt handling
  mfd: mx8925: Remove irq_desc leftovers
  mfd: htc-i2cpld: Cleanup interrupt handling
  mfd: htc-egpio: Cleanup interrupt handling
  mfd: ezx-pcap: Remvove open coded irq handling
  mfd: 88pm860x: Remove unused irq_desc leftovers
  mfd: asic3: Cleanup irq handling
  mfd: Select MFD_CORE if TPS6105X driver is configured
  mfd: Add MODULE_DEVICE_TABLE to rdc321x-southbridge
  mfd: Add MAX8997/8966 IRQ control
  mfd: Constify i2c_device_id tables
  mfd: OLPC: Clean up names to match what OLPC actually uses
  mfd: Add mfd_clone_cell(), convert cs5535-mfd/olpc-xo1 to it
This commit is contained in:
Linus Torvalds 2011-03-27 20:07:01 -07:00
parent 4329510c22 8317d5178e
commit 551b0bda46
33 changed files with 619 additions and 303 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
arch/x86/platform/olpc/olpc-xo1.c
View File

@ -72,9 +72,9 @@ static int __devinit olpc_xo1_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "can't fetch device resource info\n");
return -EIO;
}
if (strcmp(pdev->name, "olpc-xo1-pms") == 0)
if (strcmp(pdev->name, "cs5535-pms") == 0)
pms_base = res->start;
else if (strcmp(pdev->name, "olpc-xo1-ac-acpi") == 0)
else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0)
acpi_base = res->start;
/* If we have both addresses, we can override the poweroff hook */
@ -90,9 +90,9 @@ static int __devexit olpc_xo1_remove(struct platform_device *pdev)
{
mfd_cell_disable(pdev);
if (strcmp(pdev->name, "olpc-xo1-pms") == 0)
if (strcmp(pdev->name, "cs5535-pms") == 0)
pms_base = 0;
else if (strcmp(pdev->name, "olpc-xo1-acpi") == 0)
else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0)
acpi_base = 0;
pm_power_off = NULL;
@ -101,7 +101,7 @@ static int __devexit olpc_xo1_remove(struct platform_device *pdev)
static struct platform_driver cs5535_pms_drv = {
.driver = {
.name = "olpc-xo1-pms",
.name = "cs5535-pms",
.owner = THIS_MODULE,
},
.probe = olpc_xo1_probe,
@ -110,7 +110,7 @@ static struct platform_driver cs5535_pms_drv = {
static struct platform_driver cs5535_acpi_drv = {
.driver = {
.name = "olpc-xo1-acpi",
.name = "olpc-xo1-pm-acpi",
.owner = THIS_MODULE,
},
.probe = olpc_xo1_probe,
@ -121,22 +121,21 @@ static int __init olpc_xo1_init(void)
{
int r;
r = mfd_shared_platform_driver_register(&cs5535_pms_drv, "cs5535-pms");
r = platform_driver_register(&cs5535_pms_drv);
if (r)
return r;
r = mfd_shared_platform_driver_register(&cs5535_acpi_drv,
"cs5535-acpi");
r = platform_driver_register(&cs5535_acpi_drv);
if (r)
mfd_shared_platform_driver_unregister(&cs5535_pms_drv);
platform_driver_unregister(&cs5535_pms_drv);
return r;
}
static void __exit olpc_xo1_exit(void)
{
mfd_shared_platform_driver_unregister(&cs5535_acpi_drv);
mfd_shared_platform_driver_unregister(&cs5535_pms_drv);
platform_driver_unregister(&cs5535_acpi_drv);
platform_driver_unregister(&cs5535_pms_drv);
}
MODULE_AUTHOR("Daniel Drake <dsd@laptop.org>");

11
drivers/mfd/88pm860x-core.c
View File

@ -416,7 +416,6 @@ static int __devinit device_irq_init(struct pm860x_chip *chip,
: chip->companion;
unsigned char status_buf[INT_STATUS_NUM];
unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
struct irq_desc *desc;
int i, data, mask, ret = -EINVAL;
int __irq;
@ -468,19 +467,17 @@ static int __devinit device_irq_init(struct pm860x_chip *chip,
if (!chip->core_irq)
goto out;
desc = irq_to_desc(chip->core_irq);
/* register IRQ by genirq */
for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
__irq = i + chip->irq_base;
set_irq_chip_data(__irq, chip);
set_irq_chip_and_handler(__irq, &pm860x_irq_chip,
irq_set_chip_data(__irq, chip);
irq_set_chip_and_handler(__irq, &pm860x_irq_chip,
handle_edge_irq);
set_irq_nested_thread(__irq, 1);
irq_set_nested_thread(__irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(__irq, IRQF_VALID);
#else
set_irq_noprobe(__irq);
irq_set_noprobe(__irq);
#endif
}

1
drivers/mfd/Kconfig
View File

@ -133,6 +133,7 @@ config TPS6105X
tristate "TPS61050/61052 Boost Converters"
depends on I2C
select REGULATOR
select MFD_CORE
select REGULATOR_FIXED_VOLTAGE
help
This option enables a driver for the TP61050/TPS61052

2
drivers/mfd/Makefile
View File

@ -63,7 +63,7 @@ obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o
obj-$(CONFIG_PMIC_DA903X) += da903x.o
max8925-objs := max8925-core.o max8925-i2c.o
obj-$(CONFIG_MFD_MAX8925) += max8925.o
obj-$(CONFIG_MFD_MAX8997) += max8997.o
obj-$(CONFIG_MFD_MAX8997) += max8997.o max8997-irq.o
obj-$(CONFIG_MFD_MAX8998) += max8998.o max8998-irq.o
pcf50633-objs := pcf50633-core.o pcf50633-irq.o

12
drivers/mfd/ab3550-core.c
View File

@ -668,7 +668,7 @@ static int ab3550_startup_irq_enabled(struct device *dev, unsigned int irq)
struct ab3550_platform_data *plf_data;
bool val;
ab = get_irq_chip_data(irq);
ab = irq_get_chip_data(irq);
plf_data = ab->i2c_client[0]->dev.platform_data;
irq -= plf_data->irq.base;
val = ((ab->startup_events[irq / 8] & BIT(irq % 8)) != 0);
@ -1296,14 +1296,14 @@ static int __init ab3550_probe(struct i2c_client *client,
unsigned int irq;
irq = ab3550_plf_data->irq.base + i;
set_irq_chip_data(irq, ab);
set_irq_chip_and_handler(irq, &ab3550_irq_chip,
handle_simple_irq);
set_irq_nested_thread(irq, 1);
irq_set_chip_data(irq, ab);
irq_set_chip_and_handler(irq, &ab3550_irq_chip,
handle_simple_irq);
irq_set_nested_thread(irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(irq, IRQF_VALID);
#else
set_irq_noprobe(irq);
irq_set_noprobe(irq);
#endif
}

12
drivers/mfd/ab8500-core.c
View File

@ -334,14 +334,14 @@ static int ab8500_irq_init(struct ab8500 *ab8500)
int irq;
for (irq = base; irq < base + AB8500_NR_IRQS; irq++) {
set_irq_chip_data(irq, ab8500);
set_irq_chip_and_handler(irq, &ab8500_irq_chip,
irq_set_chip_data(irq, ab8500);
irq_set_chip_and_handler(irq, &ab8500_irq_chip,
handle_simple_irq);
set_irq_nested_thread(irq, 1);
irq_set_nested_thread(irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(irq, IRQF_VALID);
#else
set_irq_noprobe(irq);
irq_set_noprobe(irq);
#endif
}
@ -357,8 +357,8 @@ static void ab8500_irq_remove(struct ab8500 *ab8500)
#ifdef CONFIG_ARM
set_irq_flags(irq, 0);
#endif
set_irq_chip_and_handler(irq, NULL, NULL);
set_irq_chip_data(irq, NULL);
irq_set_chip_and_handler(irq, NULL, NULL);
irq_set_chip_data(irq, NULL);
}
}

38
drivers/mfd/asic3.c
View File

@ -139,13 +139,12 @@ static void asic3_irq_flip_edge(struct asic3 *asic,
static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
{
struct asic3 *asic = irq_desc_get_handler_data(desc);
struct irq_data *data = irq_desc_get_irq_data(desc);
int iter, i;
unsigned long flags;
struct asic3 *asic;
desc->irq_data.chip->irq_ack(&desc->irq_data);
asic = get_irq_data(irq);
data->chip->irq_ack(irq_data);
for (iter = 0 ; iter < MAX_ASIC_ISR_LOOPS; iter++) {
u32 status;
@ -188,8 +187,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
irqnr = asic->irq_base +
(ASIC3_GPIOS_PER_BANK * bank)
+ i;
desc = irq_to_desc(irqnr);
desc->handle_irq(irqnr, desc);
generic_handle_irq(irqnr);
if (asic->irq_bothedge[bank] & bit)
asic3_irq_flip_edge(asic, base,
bit);
@ -200,11 +198,8 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
/* Handle remaining IRQs in the status register */
for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) {
/* They start at bit 4 and go up */
if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) {
desc = irq_to_desc(asic->irq_base + i);
desc->handle_irq(asic->irq_base + i,
desc);
}
if (status & (1 << (i - ASIC3_NUM_GPIOS + 4)))
generic_handle_irq(asic->irq_base + i);
}
}
@ -393,21 +388,21 @@ static int __init asic3_irq_probe(struct platform_device *pdev)
for (irq = irq_base; irq < irq_base + ASIC3_NR_IRQS; irq++) {
if (irq < asic->irq_base + ASIC3_NUM_GPIOS)
set_irq_chip(irq, &asic3_gpio_irq_chip);
irq_set_chip(irq, &asic3_gpio_irq_chip);
else
set_irq_chip(irq, &asic3_irq_chip);
irq_set_chip(irq, &asic3_irq_chip);
set_irq_chip_data(irq, asic);
set_irq_handler(irq, handle_level_irq);
irq_set_chip_data(irq, asic);
irq_set_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
asic3_write_register(asic, ASIC3_OFFSET(INTR, INT_MASK),
ASIC3_INTMASK_GINTMASK);
set_irq_chained_handler(asic->irq_nr, asic3_irq_demux);
set_irq_type(asic->irq_nr, IRQ_TYPE_EDGE_RISING);
set_irq_data(asic->irq_nr, asic);
irq_set_chained_handler(asic->irq_nr, asic3_irq_demux);
irq_set_irq_type(asic->irq_nr, IRQ_TYPE_EDGE_RISING);
irq_set_handler_data(asic->irq_nr, asic);
return 0;
}
@ -421,11 +416,10 @@ static void asic3_irq_remove(struct platform_device *pdev)
for (irq = irq_base; irq < irq_base + ASIC3_NR_IRQS; irq++) {
set_irq_flags(irq, 0);
set_irq_handler(irq, NULL);
set_irq_chip(irq, NULL);
set_irq_chip_data(irq, NULL);
irq_set_chip_and_handler(irq, NULL, NULL);
irq_set_chip_data(irq, NULL);
}
set_irq_chained_handler(asic->irq_nr, NULL);
irq_set_chained_handler(asic->irq_nr, NULL);
}
/* GPIOs */

16
drivers/mfd/cs5535-mfd.c
View File

@ -27,6 +27,7 @@
#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <asm/olpc.h>
#define DRV_NAME "cs5535-mfd"
@ -111,6 +112,20 @@ static __devinitdata struct mfd_cell cs5535_mfd_cells[] = {
},
};
#ifdef CONFIG_OLPC
static void __devinit cs5535_clone_olpc_cells(void)
{
const char *acpi_clones[] = { "olpc-xo1-pm-acpi", "olpc-xo1-sci-acpi" };
if (!machine_is_olpc())
return;
mfd_clone_cell("cs5535-acpi", acpi_clones, ARRAY_SIZE(acpi_clones));
}
#else
static void cs5535_clone_olpc_cells(void) { }
#endif
static int __devinit cs5535_mfd_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
@ -139,6 +154,7 @@ static int __devinit cs5535_mfd_probe(struct pci_dev *pdev,
dev_err(&pdev->dev, "MFD add devices failed: %d\n", err);
goto err_disable;
}
cs5535_clone_olpc_cells();
dev_info(&pdev->dev, "%zu devices registered.\n",
ARRAY_SIZE(cs5535_mfd_cells));

34
drivers/mfd/ezx-pcap.c
View File

@ -162,6 +162,7 @@ static void pcap_unmask_irq(struct irq_data *d)
static struct irq_chip pcap_irq_chip = {
.name = "pcap",
.irq_disable = pcap_mask_irq,
.irq_mask = pcap_mask_irq,
.irq_unmask = pcap_unmask_irq,
};
@ -196,17 +197,8 @@ static void pcap_isr_work(struct work_struct *work)
local_irq_disable();
service = isr & ~msr;
for (irq = pcap->irq_base; service; service >>= 1, irq++) {
if (service & 1) {
struct irq_desc *desc = irq_to_desc(irq);
if (WARN(!desc, "Invalid PCAP IRQ %d\n", irq))
break;
if (desc->status & IRQ_DISABLED)
note_interrupt(irq, desc, IRQ_NONE);
else
desc->handle_irq(irq, desc);
}
if (service & 1)
generic_handle_irq(irq);
}
local_irq_enable();
ezx_pcap_write(pcap, PCAP_REG_MSR, pcap->msr);
@ -215,7 +207,7 @@ static void pcap_isr_work(struct work_struct *work)
static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
{
struct pcap_chip *pcap = get_irq_data(irq);
struct pcap_chip *pcap = irq_get_handler_data(irq);
desc->irq_data.chip->irq_ack(&desc->irq_data);
queue_work(pcap->workqueue, &pcap->isr_work);
@ -419,7 +411,7 @@ static int __devexit ezx_pcap_remove(struct spi_device *spi)
/* cleanup irqchip */
for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++)
set_irq_chip_and_handler(i, NULL, NULL);
irq_set_chip_and_handler(i, NULL, NULL);
destroy_workqueue(pcap->workqueue);
@ -476,12 +468,12 @@ static int __devinit ezx_pcap_probe(struct spi_device *spi)
/* setup irq chip */
for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++) {
set_irq_chip_and_handler(i, &pcap_irq_chip, handle_simple_irq);
set_irq_chip_data(i, pcap);
irq_set_chip_and_handler(i, &pcap_irq_chip, handle_simple_irq);
irq_set_chip_data(i, pcap);
#ifdef CONFIG_ARM
set_irq_flags(i, IRQF_VALID);
#else
set_irq_noprobe(i);
irq_set_noprobe(i);
#endif
}
@ -490,10 +482,10 @@ static int __devinit ezx_pcap_probe(struct spi_device *spi)
ezx_pcap_write(pcap, PCAP_REG_ISR, PCAP_CLEAR_INTERRUPT_REGISTER);
pcap->msr = PCAP_MASK_ALL_INTERRUPT;
set_irq_type(spi->irq, IRQ_TYPE_EDGE_RISING);
set_irq_data(spi->irq, pcap);
set_irq_chained_handler(spi->irq, pcap_irq_handler);
set_irq_wake(spi->irq, 1);
irq_set_irq_type(spi->irq, IRQ_TYPE_EDGE_RISING);
irq_set_handler_data(spi->irq, pcap);
irq_set_chained_handler(spi->irq, pcap_irq_handler);
irq_set_irq_wake(spi->irq, 1);
/* ADC */
adc_irq = pcap_to_irq(pcap, (pdata->config & PCAP_SECOND_PORT) ?
@ -522,7 +514,7 @@ remove_subdevs:
free_irq(adc_irq, pcap);
free_irqchip:
for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++)
set_irq_chip_and_handler(i, NULL, NULL);
irq_set_chip_and_handler(i, NULL, NULL);
/* destroy_workqueue: */
destroy_workqueue(pcap->workqueue);
free_pcap:

23
drivers/mfd/htc-egpio.c
View File

@ -100,7 +100,7 @@ static struct irq_chip egpio_muxed_chip = {
static void egpio_handler(unsigned int irq, struct irq_desc *desc)
{
struct egpio_info *ei = get_irq_data(irq);
struct egpio_info *ei = irq_desc_get_handler_data(desc);
int irqpin;
/* Read current pins. */
@ -113,9 +113,7 @@ static void egpio_handler(unsigned int irq, struct irq_desc *desc)
for_each_set_bit(irqpin, &readval, ei->nirqs) {
/* Run irq handler */
pr_debug("got IRQ %d\n", irqpin);
irq = ei->irq_start + irqpin;
desc = irq_to_desc(irq);
desc->handle_irq(irq, desc);
generic_handle_irq(ei->irq_start + irqpin);
}
}
@ -346,14 +344,14 @@ static int __init egpio_probe(struct platform_device *pdev)
ei->ack_write = 0;
irq_end = ei->irq_start + ei->nirqs;
for (irq = ei->irq_start; irq < irq_end; irq++) {
set_irq_chip(irq, &egpio_muxed_chip);
set_irq_chip_data(irq, ei);
set_irq_handler(irq, handle_simple_irq);
irq_set_chip_and_handler(irq, &egpio_muxed_chip,
handle_simple_irq);
irq_set_chip_data(irq, ei);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
set_irq_type(ei->chained_irq, IRQ_TYPE_EDGE_RISING);
set_irq_data(ei->chained_irq, ei);
set_irq_chained_handler(ei->chained_irq, egpio_handler);
irq_set_irq_type(ei->chained_irq, IRQ_TYPE_EDGE_RISING);
irq_set_handler_data(ei->chained_irq, ei);
irq_set_chained_handler(ei->chained_irq, egpio_handler);
ack_irqs(ei);
device_init_wakeup(&pdev->dev, 1);
@ -375,11 +373,10 @@ static int __exit egpio_remove(struct platform_device *pdev)
if (ei->chained_irq) {
irq_end = ei->irq_start + ei->nirqs;
for (irq = ei->irq_start; irq < irq_end; irq++) {
set_irq_chip(irq, NULL);
set_irq_handler(irq, NULL);
irq_set_chip_and_handler(irq, NULL, NULL);
set_irq_flags(irq, 0);
}
set_irq_chained_handler(ei->chained_irq, NULL);
irq_set_chained_handler(ei->chained_irq, NULL);
device_init_wakeup(&pdev->dev, 0);
}
iounmap(ei->base_addr);

33
drivers/mfd/htc-i2cpld.c
View File

@ -58,6 +58,7 @@ struct htcpld_chip {
uint irq_start;
int nirqs;
unsigned int flow_type;
/*
* Work structure to allow for setting values outside of any
* possible interrupt context
@ -97,12 +98,7 @@ static void htcpld_unmask(struct irq_data *data)
static int htcpld_set_type(struct irq_data *data, unsigned int flags)
{
struct irq_desc *d = irq_to_desc(data->irq);
if (!d) {
pr_err("HTCPLD invalid IRQ: %d\n", data->irq);
return -EINVAL;
}
struct htcpld_chip *chip = irq_data_get_irq_chip_data(data);
if (flags & ~IRQ_TYPE_SENSE_MASK)
return -EINVAL;
@ -111,9 +107,7 @@ static int htcpld_set_type(struct irq_data *data, unsigned int flags)
if (flags & (IRQ_TYPE_LEVEL_LOW|IRQ_TYPE_LEVEL_HIGH))
return -EINVAL;
d->status &= ~IRQ_TYPE_SENSE_MASK;
d->status |= flags;
chip->flow_type = flags;
return 0;
}
@ -135,7 +129,6 @@ static irqreturn_t htcpld_handler(int irq, void *dev)
unsigned int i;
unsigned long flags;
int irqpin;
struct irq_desc *desc;
if (!htcpld) {
pr_debug("htcpld is null in ISR\n");
@ -195,23 +188,19 @@ static irqreturn_t htcpld_handler(int irq, void *dev)
* associated interrupts.
*/
for (irqpin = 0; irqpin < chip->nirqs; irqpin++) {
unsigned oldb, newb;
int flags;
unsigned oldb, newb, type = chip->flow_type;
irq = chip->irq_start + irqpin;
desc = irq_to_desc(irq);
flags = desc->status;
/* Run the IRQ handler, but only if the bit value
* changed, and the proper flags are set */
oldb = (old_val >> irqpin) & 1;
newb = (uval >> irqpin) & 1;
if ((!oldb && newb && (flags & IRQ_TYPE_EDGE_RISING)) ||
(oldb && !newb &&
(flags & IRQ_TYPE_EDGE_FALLING))) {
if ((!oldb && newb && (type & IRQ_TYPE_EDGE_RISING)) ||
(oldb && !newb && (type & IRQ_TYPE_EDGE_FALLING))) {
pr_debug("fire IRQ %d\n", irqpin);
desc->handle_irq(irq, desc);
generic_handle_irq(irq);
}
}
}
@ -359,13 +348,13 @@ static int __devinit htcpld_setup_chip_irq(
/* Setup irq handlers */
irq_end = chip->irq_start + chip->nirqs;
for (irq = chip->irq_start; irq < irq_end; irq++) {
set_irq_chip(irq, &htcpld_muxed_chip);
set_irq_chip_data(irq, chip);
set_irq_handler(irq, handle_simple_irq);
irq_set_chip_and_handler(irq, &htcpld_muxed_chip,
handle_simple_irq);
irq_set_chip_data(irq, chip);
#ifdef CONFIG_ARM
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
#else
set_irq_probe(irq);
irq_set_probe(irq);
#endif
}

16
drivers/mfd/jz4740-adc.c
View File

@ -112,7 +112,7 @@ static struct irq_chip jz4740_adc_irq_chip = {
static void jz4740_adc_irq_demux(unsigned int irq, struct irq_desc *desc)
{
struct jz4740_adc *adc = get_irq_desc_data(desc);
struct jz4740_adc *adc = irq_desc_get_handler_data(desc);
uint8_t status;
unsigned int i;
@ -310,13 +310,13 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, adc);
for (irq = adc->irq_base; irq < adc->irq_base + 5; ++irq) {
set_irq_chip_data(irq, adc);
set_irq_chip_and_handler(irq, &jz4740_adc_irq_chip,
handle_level_irq);
irq_set_chip_data(irq, adc);
irq_set_chip_and_handler(irq, &jz4740_adc_irq_chip,
handle_level_irq);
}
set_irq_data(adc->irq, adc);
set_irq_chained_handler(adc->irq, jz4740_adc_irq_demux);
irq_set_handler_data(adc->irq, adc);
irq_set_chained_handler(adc->irq, jz4740_adc_irq_demux);
writeb(0x00, adc->base + JZ_REG_ADC_ENABLE);
writeb(0xff, adc->base + JZ_REG_ADC_CTRL);
@ -347,8 +347,8 @@ static int __devexit jz4740_adc_remove(struct platform_device *pdev)
mfd_remove_devices(&pdev->dev);
set_irq_data(adc->irq, NULL);
set_irq_chained_handler(adc->irq, NULL);
irq_set_handler_data(adc->irq, NULL);
irq_set_chained_handler(adc->irq, NULL);
iounmap(adc->base);
release_mem_region(adc->mem->start, resource_size(adc->mem));

10
drivers/mfd/max8925-core.c
View File

@ -517,7 +517,6 @@ static int max8925_irq_init(struct max8925_chip *chip, int irq,
struct max8925_platform_data *pdata)
{
unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
struct irq_desc *desc;
int i, ret;
int __irq;
@ -544,19 +543,18 @@ static int max8925_irq_init(struct max8925_chip *chip, int irq,
mutex_init(&chip->irq_lock);
chip->core_irq = irq;
chip->irq_base = pdata->irq_base;
desc = irq_to_desc(chip->core_irq);
/* register with genirq */
for (i = 0; i < ARRAY_SIZE(max8925_irqs); i++) {
__irq = i + chip->irq_base;
set_irq_chip_data(__irq, chip);
set_irq_chip_and_handler(__irq, &max8925_irq_chip,
irq_set_chip_data(__irq, chip);
irq_set_chip_and_handler(__irq, &max8925_irq_chip,
handle_edge_irq);
set_irq_nested_thread(__irq, 1);
irq_set_nested_thread(__irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(__irq, IRQF_VALID);
#else
set_irq_noprobe(__irq);
irq_set_noprobe(__irq);
#endif
}
if (!irq) {

377
drivers/mfd/max8997-irq.c Normal file
View File

@ -0,0 +1,377 @@
/*
* max8997-irq.c - Interrupt controller support for MAX8997
*
* Copyright (C) 2011 Samsung Electronics Co.Ltd
* MyungJoo Ham <myungjoo.ham@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* This driver is based on max8998-irq.c
*/
#include <linux/err.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/mfd/max8997.h>
#include <linux/mfd/max8997-private.h>
static const u8 max8997_mask_reg[] = {
[PMIC_INT1] = MAX8997_REG_INT1MSK,
[PMIC_INT2] = MAX8997_REG_INT2MSK,
[PMIC_INT3] = MAX8997_REG_INT3MSK,
[PMIC_INT4] = MAX8997_REG_INT4MSK,
[FUEL_GAUGE] = MAX8997_REG_INVALID,
[MUIC_INT1] = MAX8997_MUIC_REG_INTMASK1,
[MUIC_INT2] = MAX8997_MUIC_REG_INTMASK2,
[MUIC_INT3] = MAX8997_MUIC_REG_INTMASK3,
[GPIO_LOW] = MAX8997_REG_INVALID,
[GPIO_HI] = MAX8997_REG_INVALID,
[FLASH_STATUS] = MAX8997_REG_INVALID,
};
static struct i2c_client *get_i2c(struct max8997_dev *max8997,
enum max8997_irq_source src)
{
switch (src) {
case PMIC_INT1 ... PMIC_INT4:
return max8997->i2c;
case FUEL_GAUGE:
return NULL;
case MUIC_INT1 ... MUIC_INT3:
return max8997->muic;
case GPIO_LOW ... GPIO_HI:
return max8997->i2c;
case FLASH_STATUS:
return max8997->i2c;
default:
return ERR_PTR(-EINVAL);
}
return ERR_PTR(-EINVAL);
}
struct max8997_irq_data {
int mask;
enum max8997_irq_source group;
};
#define DECLARE_IRQ(idx, _group, _mask) \
[(idx)] = { .group = (_group), .mask = (_mask) }
static const struct max8997_irq_data max8997_irqs[] = {
DECLARE_IRQ(MAX8997_PMICIRQ_PWRONR, PMIC_INT1, 1 << 0),
DECLARE_IRQ(MAX8997_PMICIRQ_PWRONF, PMIC_INT1, 1 << 1),
DECLARE_IRQ(MAX8997_PMICIRQ_PWRON1SEC, PMIC_INT1, 1 << 3),
DECLARE_IRQ(MAX8997_PMICIRQ_JIGONR, PMIC_INT1, 1 << 4),
DECLARE_IRQ(MAX8997_PMICIRQ_JIGONF, PMIC_INT1, 1 << 5),
DECLARE_IRQ(MAX8997_PMICIRQ_LOWBAT2, PMIC_INT1, 1 << 6),
DECLARE_IRQ(MAX8997_PMICIRQ_LOWBAT1, PMIC_INT1, 1 << 7),
DECLARE_IRQ(MAX8997_PMICIRQ_JIGR, PMIC_INT2, 1 << 0),
DECLARE_IRQ(MAX8997_PMICIRQ_JIGF, PMIC_INT2, 1 << 1),
DECLARE_IRQ(MAX8997_PMICIRQ_MR, PMIC_INT2, 1 << 2),
DECLARE_IRQ(MAX8997_PMICIRQ_DVS1OK, PMIC_INT2, 1 << 3),
DECLARE_IRQ(MAX8997_PMICIRQ_DVS2OK, PMIC_INT2, 1 << 4),
DECLARE_IRQ(MAX8997_PMICIRQ_DVS3OK, PMIC_INT2, 1 << 5),
DECLARE_IRQ(MAX8997_PMICIRQ_DVS4OK, PMIC_INT2, 1 << 6),
DECLARE_IRQ(MAX8997_PMICIRQ_CHGINS, PMIC_INT3, 1 << 0),
DECLARE_IRQ(MAX8997_PMICIRQ_CHGRM, PMIC_INT3, 1 << 1),
DECLARE_IRQ(MAX8997_PMICIRQ_DCINOVP, PMIC_INT3, 1 << 2),
DECLARE_IRQ(MAX8997_PMICIRQ_TOPOFFR, PMIC_INT3, 1 << 3),
DECLARE_IRQ(MAX8997_PMICIRQ_CHGRSTF, PMIC_INT3, 1 << 5),
DECLARE_IRQ(MAX8997_PMICIRQ_MBCHGTMEXPD, PMIC_INT3, 1 << 7),
DECLARE_IRQ(MAX8997_PMICIRQ_RTC60S, PMIC_INT4, 1 << 0),
DECLARE_IRQ(MAX8997_PMICIRQ_RTCA1, PMIC_INT4, 1 << 1),
DECLARE_IRQ(MAX8997_PMICIRQ_RTCA2, PMIC_INT4, 1 << 2),
DECLARE_IRQ(MAX8997_PMICIRQ_SMPL_INT, PMIC_INT4, 1 << 3),
DECLARE_IRQ(MAX8997_PMICIRQ_RTC1S, PMIC_INT4, 1 << 4),
DECLARE_IRQ(MAX8997_PMICIRQ_WTSR, PMIC_INT4, 1 << 5),
DECLARE_IRQ(MAX8997_MUICIRQ_ADCError, MUIC_INT1, 1 << 2),
DECLARE_IRQ(MAX8997_MUICIRQ_ADCLow, MUIC_INT1, 1 << 1),
DECLARE_IRQ(MAX8997_MUICIRQ_ADC, MUIC_INT1, 1 << 0),
DECLARE_IRQ(MAX8997_MUICIRQ_VBVolt, MUIC_INT2, 1 << 4),
DECLARE_IRQ(MAX8997_MUICIRQ_DBChg, MUIC_INT2, 1 << 3),
DECLARE_IRQ(MAX8997_MUICIRQ_DCDTmr, MUIC_INT2, 1 << 2),
DECLARE_IRQ(MAX8997_MUICIRQ_ChgDetRun, MUIC_INT2, 1 << 1),
DECLARE_IRQ(MAX8997_MUICIRQ_ChgTyp, MUIC_INT2, 1 << 0),
DECLARE_IRQ(MAX8997_MUICIRQ_OVP, MUIC_INT3, 1 << 2),
};
static void max8997_irq_lock(struct irq_data *data)
{
struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
mutex_lock(&max8997->irqlock);
}
static void max8997_irq_sync_unlock(struct irq_data *data)
{
struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
int i;
for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++) {
u8 mask_reg = max8997_mask_reg[i];
struct i2c_client *i2c = get_i2c(max8997, i);
if (mask_reg == MAX8997_REG_INVALID ||
IS_ERR_OR_NULL(i2c))
continue;
max8997->irq_masks_cache[i] = max8997->irq_masks_cur[i];
max8997_write_reg(i2c, max8997_mask_reg[i],
max8997->irq_masks_cur[i]);
}
mutex_unlock(&max8997->irqlock);
}
static const inline struct max8997_irq_data *
irq_to_max8997_irq(struct max8997_dev *max8997, int irq)
{
return &max8997_irqs[irq - max8997->irq_base];
}
static void max8997_irq_mask(struct irq_data *data)
{
struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
const struct max8997_irq_data *irq_data = irq_to_max8997_irq(max8997,
data->irq);
max8997->irq_masks_cur[irq_data->group] |= irq_data->mask;
}
static void max8997_irq_unmask(struct irq_data *data)
{
struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
const struct max8997_irq_data *irq_data = irq_to_max8997_irq(max8997,
data->irq);
max8997->irq_masks_cur[irq_data->group] &= ~irq_data->mask;
}
static struct irq_chip max8997_irq_chip = {
.name = "max8997",
.irq_bus_lock = max8997_irq_lock,
.irq_bus_sync_unlock = max8997_irq_sync_unlock,
.irq_mask = max8997_irq_mask,
.irq_unmask = max8997_irq_unmask,
};
#define MAX8997_IRQSRC_PMIC (1 << 1)
#define MAX8997_IRQSRC_FUELGAUGE (1 << 2)
#define MAX8997_IRQSRC_MUIC (1 << 3)
#define MAX8997_IRQSRC_GPIO (1 << 4)
#define MAX8997_IRQSRC_FLASH (1 << 5)
static irqreturn_t max8997_irq_thread(int irq, void *data)
{
struct max8997_dev *max8997 = data;
u8 irq_reg[MAX8997_IRQ_GROUP_NR] = {};
u8 irq_src;
int ret;
int i;
ret = max8997_read_reg(max8997->i2c, MAX8997_REG_INTSRC, &irq_src);
if (ret < 0) {
dev_err(max8997->dev, "Failed to read interrupt source: %d\n",
ret);
return IRQ_NONE;
}
if (irq_src & MAX8997_IRQSRC_PMIC) {
/* PMIC INT1 ~ INT4 */
max8997_bulk_read(max8997->i2c, MAX8997_REG_INT1, 4,
&irq_reg[PMIC_INT1]);
}
if (irq_src & MAX8997_IRQSRC_FUELGAUGE) {
/*
* TODO: FUEL GAUGE
*
* This is to be supported by Max17042 driver. When
* an interrupt incurs here, it should be relayed to a
* Max17042 device that is connected (probably by
* platform-data). However, we do not have interrupt
* handling in Max17042 driver currently. The Max17042 IRQ
* driver should be ready to be used as a stand-alone device and
* a Max8997-dependent device. Because it is not ready in
* Max17042-side and it is not too critical in operating
* Max8997, we do not implement this in initial releases.
*/
irq_reg[FUEL_GAUGE] = 0;
}
if (irq_src & MAX8997_IRQSRC_MUIC) {
/* MUIC INT1 ~ INT3 */
max8997_bulk_read(max8997->muic, MAX8997_MUIC_REG_INT1, 3,
&irq_reg[MUIC_INT1]);
}
if (irq_src & MAX8997_IRQSRC_GPIO) {
/* GPIO Interrupt */
u8 gpio_info[MAX8997_NUM_GPIO];
irq_reg[GPIO_LOW] = 0;
irq_reg[GPIO_HI] = 0;
max8997_bulk_read(max8997->i2c, MAX8997_REG_GPIOCNTL1,
MAX8997_NUM_GPIO, gpio_info);
for (i = 0; i < MAX8997_NUM_GPIO; i++) {
bool interrupt = false;
switch (gpio_info[i] & MAX8997_GPIO_INT_MASK) {
case MAX8997_GPIO_INT_BOTH:
if (max8997->gpio_status[i] != gpio_info[i])
interrupt = true;
break;
case MAX8997_GPIO_INT_RISE:
if ((max8997->gpio_status[i] != gpio_info[i]) &&
(gpio_info[i] & MAX8997_GPIO_DATA_MASK))
interrupt = true;
break;
case MAX8997_GPIO_INT_FALL:
if ((max8997->gpio_status[i] != gpio_info[i]) &&
!(gpio_info[i] & MAX8997_GPIO_DATA_MASK))
interrupt = true;
break;
default:
break;
}
if (interrupt) {
if (i < 8)
irq_reg[GPIO_LOW] |= (1 << i);
else
irq_reg[GPIO_HI] |= (1 << (i - 8));
}
}
}
if (irq_src & MAX8997_IRQSRC_FLASH) {
/* Flash Status Interrupt */
ret = max8997_read_reg(max8997->i2c, MAX8997_REG_FLASHSTATUS,
&irq_reg[FLASH_STATUS]);
}
/* Apply masking */
for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++)
irq_reg[i] &= ~max8997->irq_masks_cur[i];
/* Report */
for (i = 0; i < MAX8997_IRQ_NR; i++) {
if (irq_reg[max8997_irqs[i].group] & max8997_irqs[i].mask)
handle_nested_irq(max8997->irq_base + i);
}
return IRQ_HANDLED;
}
int max8997_irq_resume(struct max8997_dev *max8997)
{
if (max8997->irq && max8997->irq_base)
max8997_irq_thread(max8997->irq_base, max8997);
return 0;
}
int max8997_irq_init(struct max8997_dev *max8997)
{
int i;
int cur_irq;
int ret;
u8 val;
if (!max8997->irq) {
dev_warn(max8997->dev, "No interrupt specified.\n");
max8997->irq_base = 0;
return 0;
}
if (!max8997->irq_base) {
dev_err(max8997->dev, "No interrupt base specified.\n");
return 0;
}
mutex_init(&max8997->irqlock);
/* Mask individual interrupt sources */
for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++) {
struct i2c_client *i2c;
max8997->irq_masks_cur[i] = 0xff;
max8997->irq_masks_cache[i] = 0xff;
i2c = get_i2c(max8997, i);
if (IS_ERR_OR_NULL(i2c))
continue;
if (max8997_mask_reg[i] == MAX8997_REG_INVALID)
continue;
max8997_write_reg(i2c, max8997_mask_reg[i], 0xff);
}
for (i = 0; i < MAX8997_NUM_GPIO; i++) {
max8997->gpio_status[i] = (max8997_read_reg(max8997->i2c,
MAX8997_REG_GPIOCNTL1 + i,
&val)
& MAX8997_GPIO_DATA_MASK) ?
true : false;
}
/* Register with genirq */
for (i = 0; i < MAX8997_IRQ_NR; i++) {
cur_irq = i + max8997->irq_base;
irq_set_chip_data(cur_irq, max8997);
irq_set_chip_and_handler(cur_irq, &max8997_irq_chip,
handle_edge_irq);
irq_set_nested_thread(cur_irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(cur_irq, IRQF_VALID);
#else
irq_set_noprobe(cur_irq);
#endif
}
ret = request_threaded_irq(max8997->irq, NULL, max8997_irq_thread,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
"max8997-irq", max8997);
if (ret) {
dev_err(max8997->dev, "Failed to request IRQ %d: %d\n",
max8997->irq, ret);
return ret;
}
if (!max8997->ono)
return 0;
ret = request_threaded_irq(max8997->ono, NULL, max8997_irq_thread,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
IRQF_ONESHOT, "max8997-ono", max8997);
if (ret)
dev_err(max8997->dev, "Failed to request ono-IRQ %d: %d\n",
max8997->ono, ret);
return 0;
}
void max8997_irq_exit(struct max8997_dev *max8997)
{
if (max8997->ono)
free_irq(max8997->ono, max8997);
if (max8997->irq)
free_irq(max8997->irq, max8997);
}

8
drivers/mfd/max8998-irq.c
View File

@ -224,14 +224,14 @@ int max8998_irq_init(struct max8998_dev *max8998)
/* register with genirq */
for (i = 0; i < MAX8998_IRQ_NR; i++) {
cur_irq = i + max8998->irq_base;
set_irq_chip_data(cur_irq, max8998);
set_irq_chip_and_handler(cur_irq, &max8998_irq_chip,
irq_set_chip_data(cur_irq, max8998);
irq_set_chip_and_handler(cur_irq, &max8998_irq_chip,
handle_edge_irq);
set_irq_nested_thread(cur_irq, 1);
irq_set_nested_thread(cur_irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(cur_irq, IRQF_VALID);
#else
set_irq_noprobe(cur_irq);
irq_set_noprobe(cur_irq);
#endif
}

4
drivers/mfd/max8998.c
View File

@ -209,7 +209,7 @@ static int max8998_suspend(struct device *dev)
struct max8998_dev *max8998 = i2c_get_clientdata(i2c);
if (max8998->wakeup)
set_irq_wake(max8998->irq, 1);
irq_set_irq_wake(max8998->irq, 1);
return 0;
}
@ -219,7 +219,7 @@ static int max8998_resume(struct device *dev)
struct max8998_dev *max8998 = i2c_get_clientdata(i2c);
if (max8998->wakeup)
set_irq_wake(max8998->irq, 0);
irq_set_irq_wake(max8998->irq, 0);
/*
* In LP3974, if IRQ registers are not "read & clear"
* when it's set during sleep, the interrupt becomes

55
drivers/mfd/mfd-core.c
View File

@ -184,16 +184,12 @@ void mfd_remove_devices(struct device *parent)
}
EXPORT_SYMBOL(mfd_remove_devices);
static int add_shared_platform_device(const char *cell, const char *name)
int mfd_clone_cell(const char *cell, const char **clones, size_t n_clones)
{
struct mfd_cell cell_entry;
struct device *dev;
struct platform_device *pdev;
int err;
/* check if we've already registered a device (don't fail if we have) */
if (bus_find_device_by_name(&platform_bus_type, NULL, name))
return 0;
int i;
/* fetch the parent cell's device (should already be registered!) */
dev = bus_find_device_by_name(&platform_bus_type, NULL, cell);
@ -206,44 +202,17 @@ static int add_shared_platform_device(const char *cell, const char *name)
WARN_ON(!cell_entry.enable);
cell_entry.name = name;
err = mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0);
if (err)
dev_err(dev, "MFD add devices failed: %d\n", err);
return err;
for (i = 0; i < n_clones; i++) {
cell_entry.name = clones[i];
/* don't give up if a single call fails; just report error */
if (mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0))
dev_err(dev, "failed to create platform device '%s'\n",
clones[i]);
}
return 0;
}
int mfd_shared_platform_driver_register(struct platform_driver *drv,
const char *cellname)
{
int err;
err = add_shared_platform_device(cellname, drv->driver.name);
if (err)
printk(KERN_ERR "failed to add platform device %s\n",
drv->driver.name);
err = platform_driver_register(drv);
if (err)
printk(KERN_ERR "failed to add platform driver %s\n",
drv->driver.name);
return err;
}
EXPORT_SYMBOL(mfd_shared_platform_driver_register);
void mfd_shared_platform_driver_unregister(struct platform_driver *drv)
{
struct device *dev;
dev = bus_find_device_by_name(&platform_bus_type, NULL,
drv->driver.name);
if (dev)
platform_device_unregister(to_platform_device(dev));
platform_driver_unregister(drv);
}
EXPORT_SYMBOL(mfd_shared_platform_driver_unregister);
EXPORT_SYMBOL(mfd_clone_cell);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov");

2
drivers/mfd/pcf50633-core.c
View File

@ -356,7 +356,7 @@ static int __devexit pcf50633_remove(struct i2c_client *client)
return 0;
}
static struct i2c_device_id pcf50633_id_table[] = {
static const struct i2c_device_id pcf50633_id_table[] = {
{"pcf50633", 0x73},
{/* end of list */}
};

1
drivers/mfd/rdc321x-southbridge.c
View File

@ -97,6 +97,7 @@ static DEFINE_PCI_DEVICE_TABLE(rdc321x_sb_table) = {
{ PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) },
{}
};
MODULE_DEVICE_TABLE(pci, rdc321x_sb_table);
static struct pci_driver rdc321x_sb_driver = {
.name = "RDC321x Southbridge",

12
drivers/mfd/stmpe.c
View File

@ -762,14 +762,14 @@ static int __devinit stmpe_irq_init(struct stmpe *stmpe)
int irq;
for (irq = base; irq < base + num_irqs; irq++) {
set_irq_chip_data(irq, stmpe);
set_irq_chip_and_handler(irq, &stmpe_irq_chip,
irq_set_chip_data(irq, stmpe);
irq_set_chip_and_handler(irq, &stmpe_irq_chip,
handle_edge_irq);
set_irq_nested_thread(irq, 1);
irq_set_nested_thread(irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(irq, IRQF_VALID);
#else
set_irq_noprobe(irq);
irq_set_noprobe(irq);
#endif
}
@ -786,8 +786,8 @@ static void stmpe_irq_remove(struct stmpe *stmpe)
#ifdef CONFIG_ARM
set_irq_flags(irq, 0);
#endif
set_irq_chip_and_handler(irq, NULL, NULL);
set_irq_chip_data(irq, NULL);
irq_set_chip_and_handler(irq, NULL, NULL);
irq_set_chip_data(irq, NULL);
}
}

21
drivers/mfd/t7l66xb.c
View File

@ -186,7 +186,7 @@ static struct mfd_cell t7l66xb_cells[] = {
/* Handle the T7L66XB interrupt mux */
static void t7l66xb_irq(unsigned int irq, struct irq_desc *desc)
{
struct t7l66xb *t7l66xb = get_irq_data(irq);
struct t7l66xb *t7l66xb = irq_get_handler_data(irq);
unsigned int isr;
unsigned int i, irq_base;
@ -243,17 +243,16 @@ static void t7l66xb_attach_irq(struct platform_device *dev)
irq_base = t7l66xb->irq_base;
for (irq = irq_base; irq < irq_base + T7L66XB_NR_IRQS; irq++) {
set_irq_chip(irq, &t7l66xb_chip);
set_irq_chip_data(irq, t7l66xb);
set_irq_handler(irq, handle_level_irq);
irq_set_chip_and_handler(irq, &t7l66xb_chip, handle_level_irq);
irq_set_chip_data(irq, t7l66xb);
#ifdef CONFIG_ARM
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
#endif
}
set_irq_type(t7l66xb->irq, IRQ_TYPE_EDGE_FALLING);
set_irq_data(t7l66xb->irq, t7l66xb);
set_irq_chained_handler(t7l66xb->irq, t7l66xb_irq);
irq_set_irq_type(t7l66xb->irq, IRQ_TYPE_EDGE_FALLING);
irq_set_handler_data(t7l66xb->irq, t7l66xb);
irq_set_chained_handler(t7l66xb->irq, t7l66xb_irq);
}
static void t7l66xb_detach_irq(struct platform_device *dev)
@ -263,15 +262,15 @@ static void t7l66xb_detach_irq(struct platform_device *dev)
irq_base = t7l66xb->irq_base;
set_irq_chained_handler(t7l66xb->irq, NULL);
set_irq_data(t7l66xb->irq, NULL);
irq_set_chained_handler(t7l66xb->irq, NULL);
irq_set_handler_data(t7l66xb->irq, NULL);
for (irq = irq_base; irq < irq_base + T7L66XB_NR_IRQS; irq++) {
#ifdef CONFIG_ARM
set_irq_flags(irq, 0);
#endif
set_irq_chip(irq, NULL);
set_irq_chip_data(irq, NULL);
irq_set_chip(irq, NULL);
irq_set_chip_data(irq, NULL);
}
}

12
drivers/mfd/tc3589x.c
View File

@ -192,14 +192,14 @@ static int tc3589x_irq_init(struct tc3589x *tc3589x)
int irq;
for (irq = base; irq < base + TC3589x_NR_INTERNAL_IRQS; irq++) {
set_irq_chip_data(irq, tc3589x);
set_irq_chip_and_handler(irq, &dummy_irq_chip,
irq_set_chip_data(irq, tc3589x);
irq_set_chip_and_handler(irq, &dummy_irq_chip,
handle_edge_irq);
set_irq_nested_thread(irq, 1);
irq_set_nested_thread(irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(irq, IRQF_VALID);
#else
set_irq_noprobe(irq);
irq_set_noprobe(irq);
#endif
}
@ -215,8 +215,8 @@ static void tc3589x_irq_remove(struct tc3589x *tc3589x)
#ifdef CONFIG_ARM
set_irq_flags(irq, 0);
#endif
set_irq_chip_and_handler(irq, NULL, NULL);
set_irq_chip_data(irq, NULL);
irq_set_chip_and_handler(irq, NULL, NULL);
irq_set_chip_data(irq, NULL);
}
}

21
drivers/mfd/tc6393xb.c
View File

@ -513,7 +513,7 @@ static int tc6393xb_register_gpio(struct tc6393xb *tc6393xb, int gpio_base)
static void
tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
{
struct tc6393xb *tc6393xb = get_irq_data(irq);
struct tc6393xb *tc6393xb = irq_get_handler_data(irq);
unsigned int isr;
unsigned int i, irq_base;
@ -572,15 +572,14 @@ static void tc6393xb_attach_irq(struct platform_device *dev)
irq_base = tc6393xb->irq_base;
for (irq = irq_base; irq < irq_base + TC6393XB_NR_IRQS; irq++) {
set_irq_chip(irq, &tc6393xb_chip);
set_irq_chip_data(irq, tc6393xb);
set_irq_handler(irq, handle_edge_irq);
irq_set_chip_and_handler(irq, &tc6393xb_chip, handle_edge_irq);
irq_set_chip_data(irq, tc6393xb);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
set_irq_type(tc6393xb->irq, IRQ_TYPE_EDGE_FALLING);
set_irq_data(tc6393xb->irq, tc6393xb);
set_irq_chained_handler(tc6393xb->irq, tc6393xb_irq);
irq_set_irq_type(tc6393xb->irq, IRQ_TYPE_EDGE_FALLING);
irq_set_handler_data(tc6393xb->irq, tc6393xb);
irq_set_chained_handler(tc6393xb->irq, tc6393xb_irq);
}
static void tc6393xb_detach_irq(struct platform_device *dev)
@ -588,15 +587,15 @@ static void tc6393xb_detach_irq(struct platform_device *dev)
struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
unsigned int irq, irq_base;
set_irq_chained_handler(tc6393xb->irq, NULL);
set_irq_data(tc6393xb->irq, NULL);
irq_set_chained_handler(tc6393xb->irq, NULL);
irq_set_handler_data(tc6393xb->irq, NULL);
irq_base = tc6393xb->irq_base;
for (irq = irq_base; irq < irq_base + TC6393XB_NR_IRQS; irq++) {
set_irq_flags(irq, 0);
set_irq_chip(irq, NULL);
set_irq_chip_data(irq, NULL);
irq_set_chip(irq, NULL);
irq_set_chip_data(irq, NULL);
}
}

6
drivers/mfd/tps6586x.c
View File

@ -422,10 +422,10 @@ static int __devinit tps6586x_irq_init(struct tps6586x *tps6586x, int irq,
for (i = 0; i < ARRAY_SIZE(tps6586x_irqs); i++) {
int __irq = i + tps6586x->irq_base;
set_irq_chip_data(__irq, tps6586x);
set_irq_chip_and_handler(__irq, &tps6586x->irq_chip,
irq_set_chip_data(__irq, tps6586x);
irq_set_chip_and_handler(__irq, &tps6586x->irq_chip,
handle_simple_irq);
set_irq_nested_thread(__irq, 1);
irq_set_nested_thread(__irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(__irq, IRQF_VALID);
#endif

66
drivers/mfd/twl4030-irq.c
View File

@ -320,24 +320,8 @@ static int twl4030_irq_thread(void *data)
for (module_irq = twl4030_irq_base;
pih_isr;
pih_isr >>= 1, module_irq++) {
if (pih_isr & 0x1) {
struct irq_desc *d = irq_to_desc(module_irq);
if (!d) {
pr_err("twl4030: Invalid SIH IRQ: %d\n",
module_irq);
return -EINVAL;
}
/* These can't be masked ... always warn
* if we get any surprises.
*/
if (d->status & IRQ_DISABLED)
note_interrupt(module_irq, d,
IRQ_NONE);
else
d->handle_irq(module_irq, d);
}
if (pih_isr & 0x1)
generic_handle_irq(module_irq);
}
local_irq_enable();
@ -470,7 +454,7 @@ static inline void activate_irq(int irq)
set_irq_flags(irq, IRQF_VALID);
#else
/* same effect on other architectures */
set_irq_noprobe(irq);
irq_set_noprobe(irq);
#endif
}
@ -560,24 +544,18 @@ static void twl4030_sih_do_edge(struct work_struct *work)
/* Modify only the bits we know must change */
while (edge_change) {
int i = fls(edge_change) - 1;
struct irq_desc *d = irq_to_desc(i + agent->irq_base);
struct irq_data *idata = irq_get_irq_data(i + agent->irq_base);
int byte = 1 + (i >> 2);
int off = (i & 0x3) * 2;
if (!d) {
pr_err("twl4030: Invalid IRQ: %d\n",
i + agent->irq_base);
return;
}
unsigned int type;
bytes[byte] &= ~(0x03 << off);
raw_spin_lock_irq(&d->lock);
if (d->status & IRQ_TYPE_EDGE_RISING)
type = irqd_get_trigger_type(idata);
if (type & IRQ_TYPE_EDGE_RISING)
bytes[byte] |= BIT(off + 1);
if (d->status & IRQ_TYPE_EDGE_FALLING)
if (type & IRQ_TYPE_EDGE_FALLING)
bytes[byte] |= BIT(off + 0);
raw_spin_unlock_irq(&d->lock);
edge_change &= ~BIT(i);
}
@ -626,21 +604,13 @@ static void twl4030_sih_unmask(struct irq_data *data)
static int twl4030_sih_set_type(struct irq_data *data, unsigned trigger)
{
struct sih_agent *sih = irq_data_get_irq_chip_data(data);
struct irq_desc *desc = irq_to_desc(data->irq);
unsigned long flags;
if (!desc) {
pr_err("twl4030: Invalid IRQ: %d\n", data->irq);
return -EINVAL;
}
if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
return -EINVAL;
spin_lock_irqsave(&sih_agent_lock, flags);
if ((desc->status & IRQ_TYPE_SENSE_MASK) != trigger) {
desc->status &= ~IRQ_TYPE_SENSE_MASK;
desc->status |= trigger;
if (irqd_get_trigger_type(data) != trigger) {
sih->edge_change |= BIT(data->irq - sih->irq_base);
queue_work(wq, &sih->edge_work);
}
@ -680,7 +650,7 @@ static inline int sih_read_isr(const struct sih *sih)
*/
static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
{
struct sih_agent *agent = get_irq_data(irq);
struct sih_agent *agent = irq_get_handler_data(irq);
const struct sih *sih = agent->sih;
int isr;
@ -754,9 +724,9 @@ int twl4030_sih_setup(int module)
for (i = 0; i < sih->bits; i++) {
irq = irq_base + i;
set_irq_chip_and_handler(irq, &twl4030_sih_irq_chip,
handle_edge_irq);
set_irq_chip_data(irq, agent);
irq_set_chip_and_handler(irq, &twl4030_sih_irq_chip,
handle_edge_irq);
irq_set_chip_data(irq, agent);
activate_irq(irq);
}
@ -765,8 +735,8 @@ int twl4030_sih_setup(int module)
/* replace generic PIH handler (handle_simple_irq) */
irq = sih_mod + twl4030_irq_base;
set_irq_data(irq, agent);
set_irq_chained_handler(irq, handle_twl4030_sih);
irq_set_handler_data(irq, agent);
irq_set_chained_handler(irq, handle_twl4030_sih);
pr_info("twl4030: %s (irq %d) chaining IRQs %d..%d\n", sih->name,
irq, irq_base, twl4030_irq_next - 1);
@ -815,8 +785,8 @@ int twl4030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
twl4030_sih_irq_chip.irq_ack = dummy_irq_chip.irq_ack;
for (i = irq_base; i < irq_end; i++) {
set_irq_chip_and_handler(i, &twl4030_irq_chip,
handle_simple_irq);
irq_set_chip_and_handler(i, &twl4030_irq_chip,
handle_simple_irq);
activate_irq(i);
}
twl4030_irq_next = i;
@ -856,7 +826,7 @@ fail_rqirq:
/* clean up twl4030_sih_setup */
fail:
for (i = irq_base; i < irq_end; i++)
set_irq_chip_and_handler(i, NULL, NULL);
irq_set_chip_and_handler(i, NULL, NULL);
destroy_workqueue(wq);
wq = NULL;
return status;

25
drivers/mfd/twl6030-irq.c
View File

@ -140,22 +140,7 @@ static int twl6030_irq_thread(void *data)
if (sts.int_sts & 0x1) {
int module_irq = twl6030_irq_base +
twl6030_interrupt_mapping[i];
struct irq_desc *d = irq_to_desc(module_irq);
if (!d) {
pr_err("twl6030: Invalid SIH IRQ: %d\n",
module_irq);
return -EINVAL;
}
/* These can't be masked ... always warn
* if we get any surprises.
*/
if (d->status & IRQ_DISABLED)
note_interrupt(module_irq, d,
IRQ_NONE);
else
d->handle_irq(module_irq, d);
generic_handle_irq(module_irq);
}
local_irq_enable();
@ -198,7 +183,7 @@ static inline void activate_irq(int irq)
set_irq_flags(irq, IRQF_VALID);
#else
/* same effect on other architectures */
set_irq_noprobe(irq);
irq_set_noprobe(irq);
#endif
}
@ -335,8 +320,8 @@ int twl6030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
twl6030_irq_chip.irq_set_type = NULL;
for (i = irq_base; i < irq_end; i++) {
set_irq_chip_and_handler(i, &twl6030_irq_chip,
handle_simple_irq);
irq_set_chip_and_handler(i, &twl6030_irq_chip,
handle_simple_irq);
activate_irq(i);
}
@ -365,7 +350,7 @@ fail_irq:
fail_kthread:
for (i = irq_base; i < irq_end; i++)
set_irq_chip_and_handler(i, NULL, NULL);
irq_set_chip_and_handler(i, NULL, NULL);
return status;
}

2
drivers/mfd/wl1273-core.c
View File

@ -25,7 +25,7 @@
#define DRIVER_DESC "WL1273 FM Radio Core"
static struct i2c_device_id wl1273_driver_id_table[] = {
static const struct i2c_device_id wl1273_driver_id_table[] = {
{ WL1273_FM_DRIVER_NAME, 0 },
{ }
};

8
drivers/mfd/wm831x-irq.c
View File

@ -553,17 +553,17 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
for (cur_irq = wm831x->irq_base;
cur_irq < ARRAY_SIZE(wm831x_irqs) + wm831x->irq_base;
cur_irq++) {
set_irq_chip_data(cur_irq, wm831x);
set_irq_chip_and_handler(cur_irq, &wm831x_irq_chip,
irq_set_chip_data(cur_irq, wm831x);
irq_set_chip_and_handler(cur_irq, &wm831x_irq_chip,
handle_edge_irq);
set_irq_nested_thread(cur_irq, 1);
irq_set_nested_thread(cur_irq, 1);
/* ARM needs us to explicitly flag the IRQ as valid
* and will set them noprobe when we do so. */
#ifdef CONFIG_ARM
set_irq_flags(cur_irq, IRQF_VALID);
#else
set_irq_noprobe(cur_irq);
irq_set_noprobe(cur_irq);
#endif
}

8
drivers/mfd/wm8350-irq.c
View File

@ -518,17 +518,17 @@ int wm8350_irq_init(struct wm8350 *wm8350, int irq,
for (cur_irq = wm8350->irq_base;
cur_irq < ARRAY_SIZE(wm8350_irqs) + wm8350->irq_base;
cur_irq++) {
set_irq_chip_data(cur_irq, wm8350);
set_irq_chip_and_handler(cur_irq, &wm8350_irq_chip,
irq_set_chip_data(cur_irq, wm8350);
irq_set_chip_and_handler(cur_irq, &wm8350_irq_chip,
handle_edge_irq);
set_irq_nested_thread(cur_irq, 1);
irq_set_nested_thread(cur_irq, 1);
/* ARM needs us to explicitly flag the IRQ as valid
* and will set them noprobe when we do so. */
#ifdef CONFIG_ARM
set_irq_flags(cur_irq, IRQF_VALID);
#else
set_irq_noprobe(cur_irq);
irq_set_noprobe(cur_irq);
#endif
}

8
drivers/mfd/wm8994-irq.c
View File

@ -278,17 +278,17 @@ int wm8994_irq_init(struct wm8994 *wm8994)
for (cur_irq = wm8994->irq_base;
cur_irq < ARRAY_SIZE(wm8994_irqs) + wm8994->irq_base;
cur_irq++) {
set_irq_chip_data(cur_irq, wm8994);
set_irq_chip_and_handler(cur_irq, &wm8994_irq_chip,
irq_set_chip_data(cur_irq, wm8994);
irq_set_chip_and_handler(cur_irq, &wm8994_irq_chip,
handle_edge_irq);
set_irq_nested_thread(cur_irq, 1);
irq_set_nested_thread(cur_irq, 1);
/* ARM needs us to explicitly flag the IRQ as valid
* and will set them noprobe when we do so. */
#ifdef CONFIG_ARM
set_irq_flags(cur_irq, IRQF_VALID);
#else
set_irq_noprobe(cur_irq);
irq_set_noprobe(cur_irq);
#endif
}

27
include/linux/mfd/core.h
View File

@ -62,6 +62,24 @@ struct mfd_cell {
extern int mfd_cell_enable(struct platform_device *pdev);
extern int mfd_cell_disable(struct platform_device *pdev);
/*
* "Clone" multiple platform devices for a single cell. This is to be used
* for devices that have multiple users of a cell. For example, if an mfd
* driver wants the cell "foo" to be used by a GPIO driver, an MTD driver,
* and a platform driver, the following bit of code would be use after first
* calling mfd_add_devices():
*
* const char *fclones[] = { "foo-gpio", "foo-mtd" };
* err = mfd_clone_cells("foo", fclones, ARRAY_SIZE(fclones));
*
* Each driver (MTD, GPIO, and platform driver) would then register
* platform_drivers for "foo-mtd", "foo-gpio", and "foo", respectively.
* The cell's .enable/.disable hooks should be used to deal with hardware
* resource contention.
*/
extern int mfd_clone_cell(const char *cell, const char **clones,
size_t n_clones);
/*
* Given a platform device that's been created by mfd_add_devices(), fetch
* the mfd_cell that created it.
@ -87,13 +105,4 @@ extern int mfd_add_devices(struct device *parent, int id,
extern void mfd_remove_devices(struct device *parent);
/*
* For MFD drivers with clients sharing access to resources, these create
* multiple platform devices per cell. Contention handling must still be
* handled via drivers (ie, with enable/disable hooks).
*/
extern int mfd_shared_platform_driver_register(struct platform_driver *drv,
const char *cellname);
extern void mfd_shared_platform_driver_unregister(struct platform_driver *drv);
#endif

21
include/linux/mfd/max8997-private.h
View File

@ -24,6 +24,8 @@
#include <linux/i2c.h>
#define MAX8997_REG_INVALID (0xff)
enum max8997_pmic_reg {
MAX8997_REG_PMIC_ID0 = 0x00,
MAX8997_REG_PMIC_ID1 = 0x01,
@ -313,6 +315,7 @@ enum max8997_irq {
#define MAX8997_REG_BUCK2DVS(x) (MAX8997_REG_BUCK2DVS1 + (x) - 1)
#define MAX8997_REG_BUCK5DVS(x) (MAX8997_REG_BUCK5DVS1 + (x) - 1)
#define MAX8997_NUM_GPIO 12
struct max8997_dev {
struct device *dev;
struct i2c_client *i2c; /* 0xcc / PMIC, Battery Control, and FLASH */
@ -324,11 +327,19 @@ struct max8997_dev {
int type;
struct platform_device *battery; /* battery control (not fuel gauge) */
int irq;
int ono;
int irq_base;
bool wakeup;
struct mutex irqlock;
int irq_masks_cur[MAX8997_IRQ_GROUP_NR];
int irq_masks_cache[MAX8997_IRQ_GROUP_NR];
/* For hibernation */
u8 reg_dump[MAX8997_REG_PMIC_END + MAX8997_MUIC_REG_END +
MAX8997_HAPTIC_REG_END];
bool gpio_status[MAX8997_NUM_GPIO];
};
enum max8997_types {
@ -336,6 +347,10 @@ enum max8997_types {
TYPE_MAX8966,
};
extern int max8997_irq_init(struct max8997_dev *max8997);
extern void max8997_irq_exit(struct max8997_dev *max8997);
extern int max8997_irq_resume(struct max8997_dev *max8997);
extern int max8997_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
extern int max8997_bulk_read(struct i2c_client *i2c, u8 reg, int count,
u8 *buf);
@ -344,4 +359,10 @@ extern int max8997_bulk_write(struct i2c_client *i2c, u8 reg, int count,
u8 *buf);
extern int max8997_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);
#define MAX8997_GPIO_INT_BOTH (0x3 << 4)
#define MAX8997_GPIO_INT_RISE (0x2 << 4)
#define MAX8997_GPIO_INT_FALL (0x1 << 4)
#define MAX8997_GPIO_INT_MASK (0x3 << 4)
#define MAX8997_GPIO_DATA_MASK (0x1 << 2)
#endif /* __LINUX_MFD_MAX8997_PRIV_H */

7
include/linux/mfd/max8997.h
View File

@ -78,8 +78,11 @@ struct max8997_regulator_data {
};
struct max8997_platform_data {
bool wakeup;
/* IRQ: Not implemented */
/* IRQ */
int irq_base;
int ono;
int wakeup;
/* ---- PMIC ---- */
struct max8997_regulator_data *regulators;
int num_regulators;