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ft1000-pcmcia: ft1000_hw.c: fix style issues not requiring code refactoring 

Fix all the trivial style issues (as reported by checkpatch.pl) not requiring
code refactoring. A following patch is expected to fix the remaining issues by
performing some code refactoring.

Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Daniele Alessandrelli 2015-03-16 23:53:37 +01:00 committed by Greg Kroah-Hartman
parent 2c20d92dad
commit 21a1d41174
1 changed files with 106 additions and 83 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

189
drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c
View File

@ -28,8 +28,8 @@
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/in.h>
#include <asm/io.h>
#include <asm/bitops.h>
#include <linux/io.h>
#include <linux/bitops.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
@ -67,8 +67,7 @@ static void ft1000_disable_interrupts(struct net_device *dev);
/* new kernel */
MODULE_AUTHOR("");
MODULE_DESCRIPTION
("Support for Flarion Flash OFDM NIC Device. Support for PCMCIA when used with ft1000_cs.");
MODULE_DESCRIPTION("Support for Flarion Flash OFDM NIC Device. Support for PCMCIA when used with ft1000_cs.");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("FT1000");
@ -267,7 +266,8 @@ void ft1000_write_dpram_mag_32(struct net_device *dev, int offset, u32 value)
/*---------------------------------------------------------------------------
Function: ft1000_enable_interrupts
Description: This function will enable interrupts base on the current interrupt mask.
Description: This function will enable interrupts base on the current
interrupt mask.
Input:
dev - device structure
Output:
@ -406,7 +406,8 @@ static int ft1000_reset_card(struct net_device *dev)
FT1000_DPRAM_MAG_RX_BASE);
for (i = 0; i < MAX_DSP_SESS_REC / 2; i++) {
info->DSPSess.MagRec[i] =
inl(dev->base_addr + FT1000_REG_MAG_DPDATA);
inl(dev->base_addr
+ FT1000_REG_MAG_DPDATA);
}
}
spin_unlock_irqrestore(&info->dpram_lock, flags);
@ -435,11 +436,14 @@ static int ft1000_reset_card(struct net_device *dev)
mdelay(10);
pr_debug("Take DSP out of reset\n");
/* Wait for 0xfefe indicating dsp ready before starting download */
/*
* Wait for 0xfefe indicating dsp ready before starting
* download
*/
for (i = 0; i < 50; i++) {
tempword =
ft1000_read_dpram_mag_16(dev, FT1000_MAG_DPRAM_FEFE,
FT1000_MAG_DPRAM_FEFE_INDX);
tempword = ft1000_read_dpram_mag_16(dev,
FT1000_MAG_DPRAM_FEFE,
FT1000_MAG_DPRAM_FEFE_INDX);
if (tempword == 0xfefe)
break;
mdelay(20);
@ -466,8 +470,8 @@ static int ft1000_reset_card(struct net_device *dev)
if (info->AsicID == ELECTRABUZZ_ID) {
/*
* Need to initialize the FIFO length counter to zero in order to sync up
* with the DSP
* Need to initialize the FIFO length counter to zero in order
* to sync up with the DSP
*/
info->fifo_cnt = 0;
ft1000_write_dpram(dev, FT1000_FIFO_LEN, info->fifo_cnt);
@ -664,8 +668,8 @@ static void ft1000_hbchk(u_long data)
return;
}
/*
* Set dedicated area to hi and ring appropriate doorbell according
* to hi/ho heartbeat protocol
* Set dedicated area to hi and ring appropriate doorbell
* according to hi/ho heartbeat protocol
*/
if (info->AsicID == ELECTRABUZZ_ID) {
ft1000_write_dpram(dev, FT1000_HI_HO, hi);
@ -687,13 +691,15 @@ static void ft1000_hbchk(u_long data)
if (info->AsicID == ELECTRABUZZ_ID)
ft1000_write_dpram(dev, FT1000_HI_HO, hi);
else
ft1000_write_dpram_mag_16(dev, FT1000_MAG_HI_HO, hi_mag, FT1000_MAG_HI_HO_INDX);
ft1000_write_dpram_mag_16(dev, FT1000_MAG_HI_HO,
hi_mag, FT1000_MAG_HI_HO_INDX);
if (info->AsicID == ELECTRABUZZ_ID)
tempword = ft1000_read_dpram(dev, FT1000_HI_HO);
else
tempword = ntohs(ft1000_read_dpram_mag_16(dev, FT1000_MAG_HI_HO, FT1000_MAG_HI_HO_INDX));
tempword = ntohs(ft1000_read_dpram_mag_16(dev,
FT1000_MAG_HI_HO,
FT1000_MAG_HI_HO_INDX));
}
if (tempword != hi) {
@ -755,7 +761,8 @@ static void ft1000_hbchk(u_long data)
Output:
-------------------------------------------------------------------------*/
static void ft1000_send_cmd(struct net_device *dev, u16 *ptempbuffer, int size, u16 qtype)
static void ft1000_send_cmd(struct net_device *dev, u16 *ptempbuffer, int size,
u16 qtype)
{
struct ft1000_info *info = netdev_priv(dev);
int i;
@ -849,12 +856,12 @@ static bool ft1000_receive_cmd(struct net_device *dev, u16 *pbuffer,
unsigned long flags;
if (info->AsicID == ELECTRABUZZ_ID) {
size = (ft1000_read_dpram(dev, *pnxtph)) + sizeof(struct pseudo_hdr);
size = ft1000_read_dpram(dev, *pnxtph)
+ sizeof(struct pseudo_hdr);
} else {
size =
ntohs(ft1000_read_dpram_mag_16
(dev, FT1000_MAG_PH_LEN,
FT1000_MAG_PH_LEN_INDX)) + sizeof(struct pseudo_hdr);
size = ntohs(ft1000_read_dpram_mag_16(dev, FT1000_MAG_PH_LEN,
FT1000_MAG_PH_LEN_INDX))
+ sizeof(struct pseudo_hdr);
}
if (size > maxsz) {
pr_debug("Invalid command length = %d\n", size);
@ -955,7 +962,10 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
if (ft1000_receive_cmd(dev, &cmdbuffer[0], MAX_CMD_SQSIZE, &tempword)) {
/* Get the message type which is total_len + PSEUDO header + msgtype + message body */
/*
* Get the message type which is total_len + PSEUDO header
* + msgtype + message body
*/
pdrvmsg = (struct drv_msg *)&cmdbuffer[0];
msgtype = ntohs(pdrvmsg->type);
pr_debug("Command message type = 0x%x\n", msgtype);
@ -966,8 +976,8 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
while (list_empty(&info->prov_list) == 0) {
pr_debug("Sending a provisioning message\n");
/* Make sure SLOWQ doorbell is clear */
tempword =
ft1000_read_reg(dev, FT1000_REG_DOORBELL);
tempword = ft1000_read_reg(dev,
FT1000_REG_DOORBELL);
i = 0;
while (tempword & FT1000_DB_DPRAM_TX) {
mdelay(5);
@ -975,9 +985,8 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
if (i == 10)
break;
}
ptr =
list_entry(info->prov_list.next,
struct prov_record, list);
ptr = list_entry(info->prov_list.next,
struct prov_record, list);
len = *(u16 *)ptr->pprov_data;
len = htons(len);
@ -996,14 +1005,15 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
ppseudo_hdr->checksum);
}
ft1000_send_cmd(dev, (u16 *)ptr->pprov_data, len, SLOWQ_TYPE);
ft1000_send_cmd(dev, (u16 *)ptr->pprov_data,
len, SLOWQ_TYPE);
list_del(&ptr->list);
kfree(ptr->pprov_data);
kfree(ptr);
}
/*
* Indicate adapter is ready to take application messages after all
* provisioning messages are sent
* Indicate adapter is ready to take application
* messages after all provisioning messages are sent
*/
info->CardReady = 1;
break;
@ -1091,8 +1101,8 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
tempword = ft1000_read_reg(dev, FT1000_REG_DOORBELL);
if (tempword & FT1000_DB_DPRAM_TX) {
mdelay(10);
tempword =
ft1000_read_reg(dev, FT1000_REG_DOORBELL);
tempword = ft1000_read_reg(dev,
FT1000_REG_DOORBELL);
if (tempword & FT1000_DB_DPRAM_TX)
mdelay(10);
}
@ -1143,8 +1153,8 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
tempword = ft1000_read_reg(dev, FT1000_REG_DOORBELL);
if (tempword & FT1000_DB_DPRAM_TX) {
mdelay(10);
tempword =
ft1000_read_reg(dev, FT1000_REG_DOORBELL);
tempword = ft1000_read_reg(dev,
FT1000_REG_DOORBELL);
if (tempword & FT1000_DB_DPRAM_TX)
mdelay(10);
}
@ -1190,7 +1200,8 @@ static void ft1000_proc_drvmsg(struct net_device *dev)
*pmsg++ = convert.wrd;
*pmsg++ = htons(info->DrvErrNum);
ft1000_send_cmd(dev, (u16 *)&tempbuffer[0], (u16)(0x0012), 0);
ft1000_send_cmd(dev, (u16 *)&tempbuffer[0],
(u16)(0x0012), 0);
info->DrvErrNum = 0;
}
@ -1281,18 +1292,17 @@ static int ft1000_parse_dpram_msg(struct net_device *dev)
FT1000_MAG_TOTAL_LEN_INDX));
}
pr_debug("total length = %d\n", total_len);
if ((total_len < MAX_CMD_SQSIZE) && (total_len > sizeof(struct pseudo_hdr))) {
if ((total_len < MAX_CMD_SQSIZE)
&& (total_len > sizeof(struct pseudo_hdr))) {
total_len += nxtph;
/*
* ft1000_read_reg will return a value that needs to be byteswap
* in order to get DSP_QID_OFFSET.
* ft1000_read_reg will return a value that needs to be
* byteswap in order to get DSP_QID_OFFSET.
*/
if (info->AsicID == ELECTRABUZZ_ID) {
portid =
(ft1000_read_dpram
(dev,
DSP_QID_OFFSET + FT1000_DPRAM_RX_BASE +
2) >> 8) & 0xff;
portid = (ft1000_read_dpram(dev, DSP_QID_OFFSET
+ FT1000_DPRAM_RX_BASE + 2)
>> 8) & 0xff;
} else {
portid =
ft1000_read_dpram_mag_16
@ -1302,7 +1312,10 @@ static int ft1000_parse_dpram_msg(struct net_device *dev)
pr_debug("DSP_QID = 0x%x\n", portid);
if (portid == DRIVERID) {
/* We are assumming one driver message from the DSP at a time. */
/*
* We are assumming one driver message from the
* DSP at a time.
*/
ft1000_proc_drvmsg(dev);
}
}
@ -1437,35 +1450,41 @@ static void ft1000_flush_fifo(struct net_device *dev, u16 DrvErrNum)
} else {
info->DSP_TIME[0] =
ft1000_read_dpram_mag_16(dev,
FT1000_MAG_DSP_TIMER0,
FT1000_MAG_DSP_TIMER0_INDX);
FT1000_MAG_DSP_TIMER0,
FT1000_MAG_DSP_TIMER0_INDX);
info->DSP_TIME[1] =
ft1000_read_dpram_mag_16(dev,
FT1000_MAG_DSP_TIMER1,
FT1000_MAG_DSP_TIMER1_INDX);
FT1000_MAG_DSP_TIMER1,
FT1000_MAG_DSP_TIMER1_INDX);
info->DSP_TIME[2] =
ft1000_read_dpram_mag_16(dev,
FT1000_MAG_DSP_TIMER2,
FT1000_MAG_DSP_TIMER2_INDX);
FT1000_MAG_DSP_TIMER2,
FT1000_MAG_DSP_TIMER2_INDX);
info->DSP_TIME[3] =
ft1000_read_dpram_mag_16(dev,
FT1000_MAG_DSP_TIMER3,
FT1000_MAG_DSP_TIMER3_INDX);
FT1000_MAG_DSP_TIMER3,
FT1000_MAG_DSP_TIMER3_INDX);
}
if (tempword == 0) {
/*
* Let's check if ASIC reads are still ok by reading the Mask register
* which is never zero at this point of the code.
* Let's check if ASIC reads are still ok by
* reading the Mask register which is never zero
* at this point of the code.
*/
tempword =
inw(dev->base_addr +
FT1000_REG_SUP_IMASK);
if (tempword == 0) {
/* This indicates that we can not communicate with the ASIC */
info->DrvErrNum =
FIFO_FLUSH_BADCNT;
/*
* This indicates that we can not
* communicate with the ASIC
*/
info->DrvErrNum = FIFO_FLUSH_BADCNT;
} else {
/* Let's assume that we really flush the FIFO */
/*
* Let's assume that we really flush
* the FIFO
*/
pcmcia->PktIntfErr++;
return;
}
@ -1551,7 +1570,6 @@ static int ft1000_copy_up_pkt(struct net_device *dev)
skb = dev_alloc_skb(len + 12 + 2);
if (skb == NULL) {
pr_debug("No Network buffers available\n");
/* Read High word to complete 32 bit access */
if (info->AsicID == MAGNEMITE_ID)
tempword = ft1000_read_reg(dev, FT1000_REG_MAG_DFRH);
@ -1672,7 +1690,8 @@ static int ft1000_copy_up_pkt(struct net_device *dev)
info->stats.rx_bytes += (len + 12);
if (info->AsicID == ELECTRABUZZ_ID) {
/* track how many bytes have been read from FIFO - round up to 16 bit word */
/* track how many bytes have been read from FIFO - round up to
* 16 bit word */
tempword = len + 16;
if (tempword & 0x01)
tempword++;
@ -1736,9 +1755,11 @@ static int ft1000_copy_down_pkt(struct net_device *dev, u16 *packet, u16 len)
else
pseudo.blk.length = ntohs(len);
pseudo.blk.source = DSPID; /* Need to swap to get in correct order */
pseudo.blk.source = DSPID; /* Need to swap to get in correct
order */
pseudo.blk.destination = HOSTID;
pseudo.blk.portdest = NETWORKID; /* Need to swap to get in correct order */
pseudo.blk.portdest = NETWORKID; /* Need to swap to get in
correct order */
pseudo.blk.portsrc = DSPAIRID;
pseudo.blk.sh_str_id = 0;
pseudo.blk.control = 0;
@ -1842,7 +1863,8 @@ static int ft1000_open(struct net_device *dev)
{
ft1000_reset_card(dev);
/* schedule ft1000_hbchk to perform periodic heartbeat checks on DSP and ASIC */
/* schedule ft1000_hbchk to perform periodic heartbeat checks on DSP
* and ASIC */
init_timer(&poll_timer);
poll_timer.expires = jiffies + (2 * HZ);
poll_timer.data = (u_long)dev;
@ -1927,7 +1949,8 @@ static irqreturn_t ft1000_interrupt(int irq, void *dev_id)
/* Read interrupt type */
inttype = ft1000_read_reg(dev, FT1000_REG_SUP_ISR);
/* Make sure we process all interrupt before leaving the ISR due to the edge trigger interrupt type */
/* Make sure we process all interrupt before leaving the ISR due to the
* edge trigger interrupt type */
while (inttype) {
if (inttype & ISR_DOORBELL_PEND)
ft1000_parse_dpram_msg(dev);
@ -1937,20 +1960,18 @@ static irqreturn_t ft1000_interrupt(int irq, void *dev_id)
cnt = 0;
do {
/* Check if we have packets in the Downlink FIFO */
/* Check if we have packets in the Downlink
* FIFO */
if (info->AsicID == ELECTRABUZZ_ID) {
tempword =
ft1000_read_reg(dev,
FT1000_REG_DFIFO_STAT);
tempword = ft1000_read_reg(dev,
FT1000_REG_DFIFO_STAT);
} else {
tempword =
ft1000_read_reg(dev,
FT1000_REG_MAG_DFSR);
tempword = ft1000_read_reg(dev,
FT1000_REG_MAG_DFSR);
}
if (tempword & 0x1f)
ft1000_copy_up_pkt(dev);
else
if (!(tempword & 0x1f))
break;
ft1000_copy_up_pkt(dev);
cnt++;
} while (cnt < MAX_RCV_LOOP);
@ -2037,8 +2058,7 @@ struct net_device *init_ft1000_card(struct pcmcia_device *link,
struct ft1000_pcmcia *pcmcia;
struct net_device *dev;
static const struct net_device_ops ft1000ops = /* Slavius 21.10.2009 due to kernel changes */
{
static const struct net_device_ops ft1000ops = {
.ndo_open = &ft1000_open,
.ndo_stop = &ft1000_close,
.ndo_start_xmit = &ft1000_start_xmit,
@ -2101,7 +2121,7 @@ struct net_device *init_ft1000_card(struct pcmcia_device *link,
/* dev->open = &ft1000_open; */
/* dev->stop = &ft1000_close; */
dev->netdev_ops = &ft1000ops; /* Slavius 21.10.2009 due to kernel changes */
dev->netdev_ops = &ft1000ops;
pr_debug("device name = %s\n", dev->name);
@ -2112,7 +2132,8 @@ struct net_device *init_ft1000_card(struct pcmcia_device *link,
goto err_dev;
}
if (request_irq(dev->irq, ft1000_interrupt, IRQF_SHARED, dev->name, dev)) {
if (request_irq(dev->irq, ft1000_interrupt, IRQF_SHARED, dev->name,
dev)) {
netdev_err(dev, "Could not request_irq\n");
goto err_dev;
}
@ -2122,7 +2143,7 @@ struct net_device *init_ft1000_card(struct pcmcia_device *link,
goto err_irq;
}
if (register_netdev(dev) != 0) {
if (register_netdev(dev)) {
pr_debug("Could not register netdev\n");
goto err_reg;
}
@ -2130,13 +2151,15 @@ struct net_device *init_ft1000_card(struct pcmcia_device *link,
info->AsicID = ft1000_read_reg(dev, FT1000_REG_ASIC_ID);
if (info->AsicID == ELECTRABUZZ_ID) {
pr_debug("ELECTRABUZZ ASIC\n");
if (request_firmware(&fw_entry, "ft1000.img", &link->dev) != 0) {
if (request_firmware(&fw_entry, "ft1000.img",
&link->dev) != 0) {
pr_info("Could not open ft1000.img\n");
goto err_unreg;
}
} else {
pr_debug("MAGNEMITE ASIC\n");
if (request_firmware(&fw_entry, "ft2000.img", &link->dev) != 0) {
if (request_firmware(&fw_entry, "ft2000.img",
&link->dev) != 0) {
pr_info("Could not open ft2000.img\n");
goto err_unreg;
}