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Merge branch 'for-5.4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-5.5

This commit is contained in:
Mark Brown 2019-10-08 19:12:28 +01:00
parent d6b71dfaee f6910679e1
commit 2b60d727cb
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
7 changed files with 45 additions and 14 deletions
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2
drivers/spi/spi-fsl-lpspi.c
View File

@ -938,7 +938,7 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
ret = pm_runtime_get_sync(fsl_lpspi->dev);
if (ret < 0) {
dev_err(fsl_lpspi->dev, "failed to enable clock\n");
return ret;
goto out_controller_put;
}
temp = readl(fsl_lpspi->base + IMX7ULP_PARAM);

38
drivers/spi/spi-fsl-qspi.c
View File

@ -63,6 +63,11 @@
#define QUADSPI_IPCR 0x08
#define QUADSPI_IPCR_SEQID(x) ((x) << 24)
#define QUADSPI_FLSHCR 0x0c
#define QUADSPI_FLSHCR_TCSS_MASK GENMASK(3, 0)
#define QUADSPI_FLSHCR_TCSH_MASK GENMASK(11, 8)
#define QUADSPI_FLSHCR_TDH_MASK GENMASK(17, 16)
#define QUADSPI_BUF0CR 0x10
#define QUADSPI_BUF1CR 0x14
#define QUADSPI_BUF2CR 0x18
@ -100,6 +105,9 @@
#define QUADSPI_FR 0x160
#define QUADSPI_FR_TFF_MASK BIT(0)
#define QUADSPI_RSER 0x164
#define QUADSPI_RSER_TFIE BIT(0)
#define QUADSPI_SPTRCLR 0x16c
#define QUADSPI_SPTRCLR_IPPTRC BIT(8)
#define QUADSPI_SPTRCLR_BFPTRC BIT(0)
@ -117,9 +125,6 @@
#define QUADSPI_LCKER_LOCK BIT(0)
#define QUADSPI_LCKER_UNLOCK BIT(1)
#define QUADSPI_RSER 0x164
#define QUADSPI_RSER_TFIE BIT(0)
#define QUADSPI_LUT_BASE 0x310
#define QUADSPI_LUT_OFFSET (SEQID_LUT * 4 * 4)
#define QUADSPI_LUT_REG(idx) \
@ -186,6 +191,12 @@
*/
#define QUADSPI_QUIRK_BASE_INTERNAL BIT(4)
/*
* Controller uses TDH bits in register QUADSPI_FLSHCR.
* They need to be set in accordance with the DDR/SDR mode.
*/
#define QUADSPI_QUIRK_USE_TDH_SETTING BIT(5)
struct fsl_qspi_devtype_data {
unsigned int rxfifo;
unsigned int txfifo;
@ -218,7 +229,8 @@ static const struct fsl_qspi_devtype_data imx7d_data = {
.txfifo = SZ_512,
.invalid_mstrid = QUADSPI_BUFXCR_INVALID_MSTRID,
.ahb_buf_size = SZ_1K,
.quirks = QUADSPI_QUIRK_TKT253890 | QUADSPI_QUIRK_4X_INT_CLK,
.quirks = QUADSPI_QUIRK_TKT253890 | QUADSPI_QUIRK_4X_INT_CLK |
QUADSPI_QUIRK_USE_TDH_SETTING,
.little_endian = true,
};
@ -227,7 +239,8 @@ static const struct fsl_qspi_devtype_data imx6ul_data = {
.txfifo = SZ_512,
.invalid_mstrid = QUADSPI_BUFXCR_INVALID_MSTRID,
.ahb_buf_size = SZ_1K,
.quirks = QUADSPI_QUIRK_TKT253890 | QUADSPI_QUIRK_4X_INT_CLK,
.quirks = QUADSPI_QUIRK_TKT253890 | QUADSPI_QUIRK_4X_INT_CLK |
QUADSPI_QUIRK_USE_TDH_SETTING,
.little_endian = true,
};
@ -287,6 +300,11 @@ static inline int needs_amba_base_offset(struct fsl_qspi *q)
return !(q->devtype_data->quirks & QUADSPI_QUIRK_BASE_INTERNAL);
}
static inline int needs_tdh_setting(struct fsl_qspi *q)
{
return q->devtype_data->quirks & QUADSPI_QUIRK_USE_TDH_SETTING;
}
/*
* An IC bug makes it necessary to rearrange the 32-bit data.
* Later chips, such as IMX6SLX, have fixed this bug.
@ -727,6 +745,16 @@ static int fsl_qspi_default_setup(struct fsl_qspi *q)
qspi_writel(q, QUADSPI_MCR_MDIS_MASK | QUADSPI_MCR_RESERVED_MASK,
base + QUADSPI_MCR);
/*
* Previous boot stages (BootROM, bootloader) might have used DDR
* mode and did not clear the TDH bits. As we currently use SDR mode
* only, clear the TDH bits if necessary.
*/
if (needs_tdh_setting(q))
qspi_writel(q, qspi_readl(q, base + QUADSPI_FLSHCR) &
~QUADSPI_FLSHCR_TDH_MASK,
base + QUADSPI_FLSHCR);
reg = qspi_readl(q, base + QUADSPI_SMPR);
qspi_writel(q, reg & ~(QUADSPI_SMPR_FSDLY_MASK
| QUADSPI_SMPR_FSPHS_MASK

4
drivers/spi/spi-gpio.c
View File

@ -368,8 +368,10 @@ static int spi_gpio_probe(struct platform_device *pdev)
return -ENOMEM;
status = devm_add_action_or_reset(&pdev->dev, spi_gpio_put, master);
if (status)
if (status) {
spi_master_put(master);
return status;
}
if (pdev->dev.of_node)
status = spi_gpio_probe_dt(pdev, master);

6
drivers/spi/spi-mxic.c
View File

@ -145,8 +145,8 @@
#define LWR_SUSP_CTRL_EN BIT(31)
#define DMAS_CTRL 0x9c
#define DMAS_CTRL_DIR_READ BIT(31)
#define DMAS_CTRL_EN BIT(30)
#define DMAS_CTRL_EN BIT(31)
#define DMAS_CTRL_DIR_READ BIT(30)
#define DATA_STROB 0xa0
#define DATA_STROB_EDO_EN BIT(2)
@ -275,7 +275,7 @@ static void mxic_spi_hw_init(struct mxic_spi *mxic)
writel(0, mxic->regs + HC_EN);
writel(0, mxic->regs + LRD_CFG);
writel(0, mxic->regs + LRD_CTRL);
writel(HC_CFG_NIO(1) | HC_CFG_TYPE(0, HC_CFG_TYPE_SPI_NAND) |
writel(HC_CFG_NIO(1) | HC_CFG_TYPE(0, HC_CFG_TYPE_SPI_NOR) |
HC_CFG_SLV_ACT(0) | HC_CFG_MAN_CS_EN | HC_CFG_IDLE_SIO_LVL(1),
mxic->regs + HC_CFG);
}

3
drivers/spi/spi-orion.c
View File

@ -772,9 +772,6 @@ static int orion_spi_probe(struct platform_device *pdev)
if (status < 0)
goto out_rel_pm;
pm_runtime_mark_last_busy(&pdev->dev);
pm_runtime_put_autosuspend(&pdev->dev);
master->dev.of_node = pdev->dev.of_node;
status = spi_register_master(master);
if (status < 0)

3
drivers/spi/spi-stm32-qspi.c
View File

@ -528,7 +528,6 @@ static void stm32_qspi_release(struct stm32_qspi *qspi)
stm32_qspi_dma_free(qspi);
mutex_destroy(&qspi->lock);
clk_disable_unprepare(qspi->clk);
spi_master_put(qspi->ctrl);
}
static int stm32_qspi_probe(struct platform_device *pdev)
@ -626,6 +625,8 @@ static int stm32_qspi_probe(struct platform_device *pdev)
err:
stm32_qspi_release(qspi);
spi_master_put(qspi->ctrl);
return ret;
}

3
drivers/spi/spidev.c
View File

@ -627,6 +627,9 @@ static int spidev_release(struct inode *inode, struct file *filp)
if (dofree)
kfree(spidev);
}
#ifdef CONFIG_SPI_SLAVE
spi_slave_abort(spidev->spi);
#endif
mutex_unlock(&device_list_lock);
return 0;