>From d0cc598f638e6b1dc8c06c2327e67667d52095ed Mon Sep 17 00:00:00 2001
From: Olimpiu Pascariu <olimpiu.pascariu@xxxxxxxxx>
Date: Sun, 21 Mar 2010 19:18:19 +0200
Subject: [PATCH 2/2] Staging: cx25821: fix coding style issues in cx25821-core.c
This is a patch to cx25821-core.c file that fixes up warnings and errors found by the checkpatch.pl tool
Signed-off-by: Olimpiu Pascariu <olimpiu.pascariu@xxxxxxxxx>
---
drivers/staging/cx25821/cx25821-core.c | 156 ++++++++++++++++----------------
1 files changed, 77 insertions(+), 79 deletions(-)
diff --git a/drivers/staging/cx25821/cx25821-core.c b/drivers/staging/cx25821/cx25821-core.c
index 67f689d..c527473 100644
--- a/drivers/staging/cx25821/cx25821-core.c
+++ b/drivers/staging/cx25821/cx25821-core.c
@@ -31,6 +31,7 @@ MODULE_AUTHOR("Shu Lin - Hiep Huynh");
MODULE_LICENSE("GPL");
struct list_head cx25821_devlist;
+EXPORT_SYMBOL(cx25821_devlist);
static unsigned int debug;
module_param(debug, int, 0644);
@@ -312,6 +313,7 @@ struct sram_channel cx25821_sram_channels[] = {
.irq_bit = 11,
},
};
+EXPORT_SYMBOL(cx25821_sram_channels);
struct sram_channel *channel0 = &cx25821_sram_channels[SRAM_CH00];
struct sram_channel *channel1 = &cx25821_sram_channels[SRAM_CH01];
@@ -387,70 +389,74 @@ static void cx25821_registers_init(struct cx25821_dev *dev)
{
u32 tmp;
- // enable RUN_RISC in Pecos
+ /* enable RUN_RISC in Pecos */
cx_write(DEV_CNTRL2, 0x20);
- // Set the master PCI interrupt masks to enable video, audio, MBIF, and GPIO interrupts
- // I2C interrupt masking is handled by the I2C objects themselves.
+ /* Set the master PCI interrupt masks to enable video, audio, MBIF,
+ * and GPIO interrupts
+ * I2C interrupt masking is handled by the I2C objects themselves. */
cx_write(PCI_INT_MSK, 0x2001FFFF);
tmp = cx_read(RDR_TLCTL0);
- tmp &= ~FLD_CFG_RCB_CK_EN; // Clear the RCB_CK_EN bit
+ tmp &= ~FLD_CFG_RCB_CK_EN; /* Clear the RCB_CK_EN bit */
cx_write(RDR_TLCTL0, tmp);
- // PLL-A setting for the Audio Master Clock
+ /* PLL-A setting for the Audio Master Clock */
cx_write(PLL_A_INT_FRAC, 0x9807A58B);
- // PLL_A_POST = 0x1C, PLL_A_OUT_TO_PIN = 0x1
+ /* PLL_A_POST = 0x1C, PLL_A_OUT_TO_PIN = 0x1 */
cx_write(PLL_A_POST_STAT_BIST, 0x8000019C);
- // clear reset bit [31]
+ /* clear reset bit [31] */
tmp = cx_read(PLL_A_INT_FRAC);
cx_write(PLL_A_INT_FRAC, tmp & 0x7FFFFFFF);
- // PLL-B setting for Mobilygen Host Bus Interface
+ /* PLL-B setting for Mobilygen Host Bus Interface */
cx_write(PLL_B_INT_FRAC, 0x9883A86F);
- // PLL_B_POST = 0xD, PLL_B_OUT_TO_PIN = 0x0
+ /* PLL_B_POST = 0xD, PLL_B_OUT_TO_PIN = 0x0 */
cx_write(PLL_B_POST_STAT_BIST, 0x8000018D);
- // clear reset bit [31]
+ /* clear reset bit [31] */
tmp = cx_read(PLL_B_INT_FRAC);
cx_write(PLL_B_INT_FRAC, tmp & 0x7FFFFFFF);
- // PLL-C setting for video upstream channel
+ /* PLL-C setting for video upstream channel */
cx_write(PLL_C_INT_FRAC, 0x96A0EA3F);
- // PLL_C_POST = 0x3, PLL_C_OUT_TO_PIN = 0x0
+ /* PLL_C_POST = 0x3, PLL_C_OUT_TO_PIN = 0x0 */
cx_write(PLL_C_POST_STAT_BIST, 0x80000103);
- // clear reset bit [31]
+ /* clear reset bit [31] */
tmp = cx_read(PLL_C_INT_FRAC);
cx_write(PLL_C_INT_FRAC, tmp & 0x7FFFFFFF);
- // PLL-D setting for audio upstream channel
+ /* PLL-D setting for audio upstream channel */
cx_write(PLL_D_INT_FRAC, 0x98757F5B);
- // PLL_D_POST = 0x13, PLL_D_OUT_TO_PIN = 0x0
+ /* PLL_D_POST = 0x13, PLL_D_OUT_TO_PIN = 0x0 */
cx_write(PLL_D_POST_STAT_BIST, 0x80000113);
- // clear reset bit [31]
+ /* clear reset bit [31] */
tmp = cx_read(PLL_D_INT_FRAC);
cx_write(PLL_D_INT_FRAC, tmp & 0x7FFFFFFF);
- // This selects the PLL C clock source for the video upstream channel I and J
+ /* This selects the PLL C clock source for the video upstream channel
+ * I and J */
tmp = cx_read(VID_CH_CLK_SEL);
cx_write(VID_CH_CLK_SEL, (tmp & 0x00FFFFFF) | 0x24000000);
- // 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
- //select 656/VIP DST for downstream Channel A - C
+ /* 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for
+ * channel A-C
+ * select 656/VIP DST for downstream Channel A - C */
tmp = cx_read(VID_CH_MODE_SEL);
- //cx_write( VID_CH_MODE_SEL, tmp | 0x1B0001FF);
+ /* cx_write( VID_CH_MODE_SEL, tmp | 0x1B0001FF); */
cx_write(VID_CH_MODE_SEL, tmp & 0xFFFFFE00);
- // enables 656 port I and J as output
+ /* enables 656 port I and J as output */
tmp = cx_read(CLK_RST);
- tmp |= FLD_USE_ALT_PLL_REF; // use external ALT_PLL_REF pin as its reference clock instead
+ /* use external ALT_PLL_REF pin as its reference clock instead */
+ tmp |= FLD_USE_ALT_PLL_REF;
cx_write(CLK_RST, tmp & ~(FLD_VID_I_CLK_NOE | FLD_VID_J_CLK_NOE));
mdelay(100);
@@ -475,9 +481,8 @@ int cx25821_sram_channel_setup(struct cx25821_dev *dev,
cdt = ch->cdt;
lines = ch->fifo_size / bpl;
- if (lines > 4) {
+ if (lines > 4)
lines = 4;
- }
BUG_ON(lines < 2);
@@ -493,16 +498,15 @@ int cx25821_sram_channel_setup(struct cx25821_dev *dev,
cx_write(cdt + 16 * i + 12, 0);
}
- //init the first cdt buffer
+ /* init the first cdt buffer */
for (i = 0; i < 128; i++)
cx_write(ch->fifo_start + 4 * i, i);
/* write CMDS */
- if (ch->jumponly) {
+ if (ch->jumponly)
cx_write(ch->cmds_start + 0, 8);
- } else {
+ else
cx_write(ch->cmds_start + 0, risc);
- }
cx_write(ch->cmds_start + 4, 0); /* 64 bits 63-32 */
cx_write(ch->cmds_start + 8, cdt);
@@ -525,6 +529,7 @@ int cx25821_sram_channel_setup(struct cx25821_dev *dev,
return 0;
}
+EXPORT_SYMBOL(cx25821_sram_channel_setup);
int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
struct sram_channel *ch,
@@ -545,9 +550,8 @@ int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
cdt = ch->cdt;
lines = ch->fifo_size / bpl;
- if (lines > 3) {
- lines = 3; //for AUDIO
- }
+ if (lines > 3)
+ lines = 3; /* for AUDIO */
BUG_ON(lines < 2);
@@ -564,25 +568,23 @@ int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
}
/* write CMDS */
- if (ch->jumponly) {
+ if (ch->jumponly)
cx_write(ch->cmds_start + 0, 8);
- } else {
+ else
cx_write(ch->cmds_start + 0, risc);
- }
cx_write(ch->cmds_start + 4, 0); /* 64 bits 63-32 */
cx_write(ch->cmds_start + 8, cdt);
cx_write(ch->cmds_start + 12, (lines * 16) >> 3);
cx_write(ch->cmds_start + 16, ch->ctrl_start);
- //IQ size
- if (ch->jumponly) {
+ /* IQ size */
+ if (ch->jumponly)
cx_write(ch->cmds_start + 20, 0x80000000 | (64 >> 2));
- } else {
+ else
cx_write(ch->cmds_start + 20, 64 >> 2);
- }
- //zero out
+ /* zero out */
for (i = 24; i < 80; i += 4)
cx_write(ch->cmds_start + i, 0);
@@ -594,6 +596,7 @@ int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
return 0;
}
+EXPORT_SYMBOL(cx25821_sram_channel_setup_audio);
void cx25821_sram_channel_dump(struct cx25821_dev *dev, struct sram_channel *ch)
{
@@ -657,6 +660,7 @@ void cx25821_sram_channel_dump(struct cx25821_dev *dev, struct sram_channel *ch)
printk(KERN_WARNING " : cnt2_reg: 0x%08x\n",
cx_read(ch->cnt2_reg));
}
+EXPORT_SYMBOL(cx25821_sram_channel_dump);
void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev,
struct sram_channel *ch)
@@ -730,7 +734,7 @@ void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev,
printk(KERN_WARNING "instruction %d = 0x%x\n", i, risc);
}
- //read data from the first cdt buffer
+ /* read data from the first cdt buffer */
risc = cx_read(AUD_A_CDT);
printk(KERN_WARNING "\nread cdt loc=0x%x\n", risc);
for (i = 0; i < 8; i++) {
@@ -740,31 +744,32 @@ void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev,
printk(KERN_WARNING "\n\n");
value = cx_read(CLK_RST);
- CX25821_INFO(" CLK_RST = 0x%x \n\n", value);
+ CX25821_INFO(" CLK_RST = 0x%x\n\n", value);
value = cx_read(PLL_A_POST_STAT_BIST);
- CX25821_INFO(" PLL_A_POST_STAT_BIST = 0x%x \n\n", value);
+ CX25821_INFO(" PLL_A_POST_STAT_BIST = 0x%x\n\n", value);
value = cx_read(PLL_A_INT_FRAC);
- CX25821_INFO(" PLL_A_INT_FRAC = 0x%x \n\n", value);
+ CX25821_INFO(" PLL_A_INT_FRAC = 0x%x\n\n", value);
value = cx_read(PLL_B_POST_STAT_BIST);
- CX25821_INFO(" PLL_B_POST_STAT_BIST = 0x%x \n\n", value);
+ CX25821_INFO(" PLL_B_POST_STAT_BIST = 0x%x\n\n", value);
value = cx_read(PLL_B_INT_FRAC);
- CX25821_INFO(" PLL_B_INT_FRAC = 0x%x \n\n", value);
+ CX25821_INFO(" PLL_B_INT_FRAC = 0x%x\n\n", value);
value = cx_read(PLL_C_POST_STAT_BIST);
- CX25821_INFO(" PLL_C_POST_STAT_BIST = 0x%x \n\n", value);
+ CX25821_INFO(" PLL_C_POST_STAT_BIST = 0x%x\n\n", value);
value = cx_read(PLL_C_INT_FRAC);
- CX25821_INFO(" PLL_C_INT_FRAC = 0x%x \n\n", value);
+ CX25821_INFO(" PLL_C_INT_FRAC = 0x%x\n\n", value);
value = cx_read(PLL_D_POST_STAT_BIST);
- CX25821_INFO(" PLL_D_POST_STAT_BIST = 0x%x \n\n", value);
+ CX25821_INFO(" PLL_D_POST_STAT_BIST = 0x%x\n\n", value);
value = cx_read(PLL_D_INT_FRAC);
- CX25821_INFO(" PLL_D_INT_FRAC = 0x%x \n\n", value);
+ CX25821_INFO(" PLL_D_INT_FRAC = 0x%x\n\n", value);
value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp);
- CX25821_INFO(" AFE_AB_DIAG_CTRL (0x10900090) = 0x%x \n\n", value);
+ CX25821_INFO(" AFE_AB_DIAG_CTRL (0x10900090) = 0x%x\n\n", value);
}
+EXPORT_SYMBOL(cx25821_sram_channel_dump_audio);
static void cx25821_shutdown(struct cx25821_dev *dev)
{
@@ -834,8 +839,8 @@ static void cx25821_initialize(struct cx25821_dev *dev)
cx_write(AUD_E_INT_STAT, 0xffffffff);
cx_write(CLK_DELAY, cx_read(CLK_DELAY) & 0x80000000);
- cx_write(PAD_CTRL, 0x12); //for I2C
- cx25821_registers_init(dev); //init Pecos registers
+ cx_write(PAD_CTRL, 0x12); /* for I2C */
+ cx25821_registers_init(dev); /* init Pecos registers */
mdelay(100);
for (i = 0; i < VID_CHANNEL_NUM; i++) {
@@ -846,7 +851,7 @@ static void cx25821_initialize(struct cx25821_dev *dev)
dev->use_cif_resolution[i] = FALSE;
}
- //Probably only affect Downstream
+ /* Probably only affect Downstream */
for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J;
i++) {
cx25821_set_vip_mode(dev, &dev->sram_channels[i]);
@@ -943,12 +948,11 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
dev->clk_freq = 28000000;
dev->sram_channels = cx25821_sram_channels;
- if (dev->nr > 1) {
+ if (dev->nr > 1)
CX25821_INFO("dev->nr > 1!");
- }
/* board config */
- dev->board = 1; //card[dev->nr];
+ dev->board = 1; /* card[dev->nr]; */
dev->_max_num_decoders = MAX_DECODERS;
dev->pci_bus = dev->pci->bus->number;
@@ -1006,8 +1010,8 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
cx25821_initialize(dev);
cx25821_i2c_register(&dev->i2c_bus[0]);
-// cx25821_i2c_register(&dev->i2c_bus[1]);
-// cx25821_i2c_register(&dev->i2c_bus[2]);
+/* cx25821_i2c_register(&dev->i2c_bus[1]);
+ * cx25821_i2c_register(&dev->i2c_bus[2]); */
CX25821_INFO("i2c register! bus->i2c_rc = %d\n",
dev->i2c_bus[0].i2c_rc);
@@ -1025,7 +1029,7 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
for (i = VID_UPSTREAM_SRAM_CHANNEL_I;
i <= AUDIO_UPSTREAM_SRAM_CHANNEL_B; i++) {
- //Since we don't have template8 for Audio Downstream
+ /* Since we don't have template8 for Audio Downstream */
if (cx25821_video_register(dev, i, video_template[i - 1]) < 0) {
printk(KERN_ERR
"%s() Failed to register analog video adapters for Upstream channel %d.\n",
@@ -1033,7 +1037,7 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
}
}
- // register IOCTL device
+ /* register IOCTL device */
dev->ioctl_dev =
cx25821_vdev_init(dev, dev->pci, video_template[VIDEO_IOCTL_CH],
"video");
@@ -1111,6 +1115,7 @@ void cx25821_dev_unregister(struct cx25821_dev *dev)
cx25821_i2c_unregister(&dev->i2c_bus[0]);
cx25821_iounmap(dev);
}
+EXPORT_SYMBOL(cx25821_dev_unregister);
static __le32 *cx25821_risc_field(__le32 * rp, struct scatterlist *sglist,
unsigned int offset, u32 sync_line,
@@ -1121,9 +1126,8 @@ static __le32 *cx25821_risc_field(__le32 * rp, struct scatterlist *sglist,
unsigned int line, todo;
/* sync instruction */
- if (sync_line != NO_SYNC_LINE) {
+ if (sync_line != NO_SYNC_LINE)
*(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
- }
/* scan lines */
sg = sglist;
@@ -1298,7 +1302,8 @@ int cx25821_risc_databuffer_audio(struct pci_dev *pci,
instructions = 1 + (bpl * lines) / PAGE_SIZE + lines;
instructions += 1;
- if ((rc = btcx_riscmem_alloc(pci, risc, instructions * 12)) < 0)
+ rc = btcx_riscmem_alloc(pci, risc, instructions * 12);
+ if (rc < 0)
return rc;
/* write risc instructions */
@@ -1311,6 +1316,7 @@ int cx25821_risc_databuffer_audio(struct pci_dev *pci,
BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size);
return 0;
}
+EXPORT_SYMBOL(cx25821_risc_databuffer_audio);
int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
u32 reg, u32 mask, u32 value)
@@ -1374,7 +1380,7 @@ static irqreturn_t cx25821_irq(int irq, void *dev_id)
}
}
- out:
+out:
return IRQ_RETVAL(handled);
}
@@ -1398,12 +1404,14 @@ void cx25821_print_irqbits(char *name, char *tag, char **strings,
}
printk("\n");
}
+EXPORT_SYMBOL(cx25821_print_irqbits);
struct cx25821_dev *cx25821_dev_get(struct pci_dev *pci)
{
struct cx25821_dev *dev = pci_get_drvdata(pci);
return dev;
}
+EXPORT_SYMBOL(cx25821_dev_get);
static int __devinit cx25821_initdev(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
@@ -1429,7 +1437,7 @@ static int __devinit cx25821_initdev(struct pci_dev *pci_dev,
goto fail_unregister_device;
}
- printk(KERN_INFO "cx25821 Athena pci enable ! \n");
+ printk(KERN_INFO "cx25821 Athena pci enable !\n");
if (cx25821_dev_setup(dev) < 0) {
err = -EINVAL;
@@ -1463,14 +1471,14 @@ static int __devinit cx25821_initdev(struct pci_dev *pci_dev,
return 0;
- fail_irq:
- printk(KERN_INFO "cx25821 cx25821_initdev() can't get IRQ ! \n");
+fail_irq:
+ printk(KERN_INFO "cx25821 cx25821_initdev() can't get IRQ !\n");
cx25821_dev_unregister(dev);
- fail_unregister_device:
+fail_unregister_device:
v4l2_device_unregister(&dev->v4l2_dev);
- fail_free:
+fail_free:
kfree(dev);
return err;
}
@@ -1535,16 +1543,6 @@ static void __exit cx25821_fini(void)
pci_unregister_driver(&cx25821_pci_driver);
}
-EXPORT_SYMBOL(cx25821_devlist);
-EXPORT_SYMBOL(cx25821_sram_channels);
-EXPORT_SYMBOL(cx25821_print_irqbits);
-EXPORT_SYMBOL(cx25821_dev_get);
-EXPORT_SYMBOL(cx25821_dev_unregister);
-EXPORT_SYMBOL(cx25821_sram_channel_setup);
-EXPORT_SYMBOL(cx25821_sram_channel_dump);
-EXPORT_SYMBOL(cx25821_sram_channel_setup_audio);
-EXPORT_SYMBOL(cx25821_sram_channel_dump_audio);
-EXPORT_SYMBOL(cx25821_risc_databuffer_audio);
EXPORT_SYMBOL(cx25821_set_gpiopin_direction);
module_init(cx25821_init);
--
1.7.0
--
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