diff options
author | Richard Leitner <me@g0hl1n.net> | 2014-04-11 07:44:44 -0400 |
---|---|---|
committer | Wolfram Sang <wsa@the-dreams.de> | 2014-05-22 04:09:21 -0400 |
commit | 482116badacba9308abd6c5cae2f5f19e2f81449 (patch) | |
tree | 179fae0e0c6332b7c28970e0c62449599fa9a545 | |
parent | 9219982bc64a41ec7745668b06f86e97b498e10a (diff) |
i2c: ali1563: fix checkpatch.pl issues
Fixed most checkpatch.pl issues
Signed-off-by: Richard Leitner <me@g0hl1n.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
-rw-r--r-- | drivers/i2c/busses/i2c-ali1563.c | 82 |
1 files changed, 45 insertions, 37 deletions
diff --git a/drivers/i2c/busses/i2c-ali1563.c b/drivers/i2c/busses/i2c-ali1563.c index 98a1c97739ba..15517d78d5ff 100644 --- a/drivers/i2c/busses/i2c-ali1563.c +++ b/drivers/i2c/busses/i2c-ali1563.c | |||
@@ -63,7 +63,7 @@ | |||
63 | static struct pci_driver ali1563_pci_driver; | 63 | static struct pci_driver ali1563_pci_driver; |
64 | static unsigned short ali1563_smba; | 64 | static unsigned short ali1563_smba; |
65 | 65 | ||
66 | static int ali1563_transaction(struct i2c_adapter * a, int size) | 66 | static int ali1563_transaction(struct i2c_adapter *a, int size) |
67 | { | 67 | { |
68 | u32 data; | 68 | u32 data; |
69 | int timeout; | 69 | int timeout; |
@@ -78,7 +78,7 @@ static int ali1563_transaction(struct i2c_adapter * a, int size) | |||
78 | data = inb_p(SMB_HST_STS); | 78 | data = inb_p(SMB_HST_STS); |
79 | if (data & HST_STS_BAD) { | 79 | if (data & HST_STS_BAD) { |
80 | dev_err(&a->dev, "ali1563: Trying to reset busy device\n"); | 80 | dev_err(&a->dev, "ali1563: Trying to reset busy device\n"); |
81 | outb_p(data | HST_STS_BAD,SMB_HST_STS); | 81 | outb_p(data | HST_STS_BAD, SMB_HST_STS); |
82 | data = inb_p(SMB_HST_STS); | 82 | data = inb_p(SMB_HST_STS); |
83 | if (data & HST_STS_BAD) | 83 | if (data & HST_STS_BAD) |
84 | return -EBUSY; | 84 | return -EBUSY; |
@@ -102,10 +102,10 @@ static int ali1563_transaction(struct i2c_adapter * a, int size) | |||
102 | if (!timeout) { | 102 | if (!timeout) { |
103 | dev_err(&a->dev, "Timeout - Trying to KILL transaction!\n"); | 103 | dev_err(&a->dev, "Timeout - Trying to KILL transaction!\n"); |
104 | /* Issue 'kill' to host controller */ | 104 | /* Issue 'kill' to host controller */ |
105 | outb_p(HST_CNTL2_KILL,SMB_HST_CNTL2); | 105 | outb_p(HST_CNTL2_KILL, SMB_HST_CNTL2); |
106 | data = inb_p(SMB_HST_STS); | 106 | data = inb_p(SMB_HST_STS); |
107 | status = -ETIMEDOUT; | 107 | status = -ETIMEDOUT; |
108 | } | 108 | } |
109 | 109 | ||
110 | /* device error - no response, ignore the autodetection case */ | 110 | /* device error - no response, ignore the autodetection case */ |
111 | if (data & HST_STS_DEVERR) { | 111 | if (data & HST_STS_DEVERR) { |
@@ -117,18 +117,18 @@ static int ali1563_transaction(struct i2c_adapter * a, int size) | |||
117 | if (data & HST_STS_BUSERR) { | 117 | if (data & HST_STS_BUSERR) { |
118 | dev_err(&a->dev, "Bus collision!\n"); | 118 | dev_err(&a->dev, "Bus collision!\n"); |
119 | /* Issue timeout, hoping it helps */ | 119 | /* Issue timeout, hoping it helps */ |
120 | outb_p(HST_CNTL1_TIMEOUT,SMB_HST_CNTL1); | 120 | outb_p(HST_CNTL1_TIMEOUT, SMB_HST_CNTL1); |
121 | } | 121 | } |
122 | 122 | ||
123 | if (data & HST_STS_FAIL) { | 123 | if (data & HST_STS_FAIL) { |
124 | dev_err(&a->dev, "Cleaning fail after KILL!\n"); | 124 | dev_err(&a->dev, "Cleaning fail after KILL!\n"); |
125 | outb_p(0x0,SMB_HST_CNTL2); | 125 | outb_p(0x0, SMB_HST_CNTL2); |
126 | } | 126 | } |
127 | 127 | ||
128 | return status; | 128 | return status; |
129 | } | 129 | } |
130 | 130 | ||
131 | static int ali1563_block_start(struct i2c_adapter * a) | 131 | static int ali1563_block_start(struct i2c_adapter *a) |
132 | { | 132 | { |
133 | u32 data; | 133 | u32 data; |
134 | int timeout; | 134 | int timeout; |
@@ -142,8 +142,8 @@ static int ali1563_block_start(struct i2c_adapter * a) | |||
142 | 142 | ||
143 | data = inb_p(SMB_HST_STS); | 143 | data = inb_p(SMB_HST_STS); |
144 | if (data & HST_STS_BAD) { | 144 | if (data & HST_STS_BAD) { |
145 | dev_warn(&a->dev,"ali1563: Trying to reset busy device\n"); | 145 | dev_warn(&a->dev, "ali1563: Trying to reset busy device\n"); |
146 | outb_p(data | HST_STS_BAD,SMB_HST_STS); | 146 | outb_p(data | HST_STS_BAD, SMB_HST_STS); |
147 | data = inb_p(SMB_HST_STS); | 147 | data = inb_p(SMB_HST_STS); |
148 | if (data & HST_STS_BAD) | 148 | if (data & HST_STS_BAD) |
149 | return -EBUSY; | 149 | return -EBUSY; |
@@ -184,13 +184,14 @@ static int ali1563_block_start(struct i2c_adapter * a) | |||
184 | return status; | 184 | return status; |
185 | } | 185 | } |
186 | 186 | ||
187 | static int ali1563_block(struct i2c_adapter * a, union i2c_smbus_data * data, u8 rw) | 187 | static int ali1563_block(struct i2c_adapter *a, |
188 | union i2c_smbus_data *data, u8 rw) | ||
188 | { | 189 | { |
189 | int i, len; | 190 | int i, len; |
190 | int error = 0; | 191 | int error = 0; |
191 | 192 | ||
192 | /* Do we need this? */ | 193 | /* Do we need this? */ |
193 | outb_p(HST_CNTL1_LAST,SMB_HST_CNTL1); | 194 | outb_p(HST_CNTL1_LAST, SMB_HST_CNTL1); |
194 | 195 | ||
195 | if (rw == I2C_SMBUS_WRITE) { | 196 | if (rw == I2C_SMBUS_WRITE) { |
196 | len = data->block[0]; | 197 | len = data->block[0]; |
@@ -198,8 +199,8 @@ static int ali1563_block(struct i2c_adapter * a, union i2c_smbus_data * data, u8 | |||
198 | len = 1; | 199 | len = 1; |
199 | else if (len > 32) | 200 | else if (len > 32) |
200 | len = 32; | 201 | len = 32; |
201 | outb_p(len,SMB_HST_DAT0); | 202 | outb_p(len, SMB_HST_DAT0); |
202 | outb_p(data->block[1],SMB_BLK_DAT); | 203 | outb_p(data->block[1], SMB_BLK_DAT); |
203 | } else | 204 | } else |
204 | len = 32; | 205 | len = 32; |
205 | 206 | ||
@@ -208,10 +209,12 @@ static int ali1563_block(struct i2c_adapter * a, union i2c_smbus_data * data, u8 | |||
208 | for (i = 0; i < len; i++) { | 209 | for (i = 0; i < len; i++) { |
209 | if (rw == I2C_SMBUS_WRITE) { | 210 | if (rw == I2C_SMBUS_WRITE) { |
210 | outb_p(data->block[i + 1], SMB_BLK_DAT); | 211 | outb_p(data->block[i + 1], SMB_BLK_DAT); |
211 | if ((error = ali1563_block_start(a))) | 212 | error = ali1563_block_start(a); |
213 | if (error) | ||
212 | break; | 214 | break; |
213 | } else { | 215 | } else { |
214 | if ((error = ali1563_block_start(a))) | 216 | error = ali1563_block_start(a); |
217 | if (error) | ||
215 | break; | 218 | break; |
216 | if (i == 0) { | 219 | if (i == 0) { |
217 | len = inb_p(SMB_HST_DAT0); | 220 | len = inb_p(SMB_HST_DAT0); |
@@ -224,25 +227,26 @@ static int ali1563_block(struct i2c_adapter * a, union i2c_smbus_data * data, u8 | |||
224 | } | 227 | } |
225 | } | 228 | } |
226 | /* Do we need this? */ | 229 | /* Do we need this? */ |
227 | outb_p(HST_CNTL1_LAST,SMB_HST_CNTL1); | 230 | outb_p(HST_CNTL1_LAST, SMB_HST_CNTL1); |
228 | return error; | 231 | return error; |
229 | } | 232 | } |
230 | 233 | ||
231 | static s32 ali1563_access(struct i2c_adapter * a, u16 addr, | 234 | static s32 ali1563_access(struct i2c_adapter *a, u16 addr, |
232 | unsigned short flags, char rw, u8 cmd, | 235 | unsigned short flags, char rw, u8 cmd, |
233 | int size, union i2c_smbus_data * data) | 236 | int size, union i2c_smbus_data *data) |
234 | { | 237 | { |
235 | int error = 0; | 238 | int error = 0; |
236 | int timeout; | 239 | int timeout; |
237 | u32 reg; | 240 | u32 reg; |
238 | 241 | ||
239 | for (timeout = ALI1563_MAX_TIMEOUT; timeout; timeout--) { | 242 | for (timeout = ALI1563_MAX_TIMEOUT; timeout; timeout--) { |
240 | if (!(reg = inb_p(SMB_HST_STS) & HST_STS_BUSY)) | 243 | reg = inb_p(SMB_HST_STS); |
244 | if (!(reg & HST_STS_BUSY)) | ||
241 | break; | 245 | break; |
242 | } | 246 | } |
243 | if (!timeout) | 247 | if (!timeout) |
244 | dev_warn(&a->dev,"SMBus not idle. HST_STS = %02x\n",reg); | 248 | dev_warn(&a->dev, "SMBus not idle. HST_STS = %02x\n", reg); |
245 | outb_p(0xff,SMB_HST_STS); | 249 | outb_p(0xff, SMB_HST_STS); |
246 | 250 | ||
247 | /* Map the size to what the chip understands */ | 251 | /* Map the size to what the chip understands */ |
248 | switch (size) { | 252 | switch (size) { |
@@ -268,13 +272,14 @@ static s32 ali1563_access(struct i2c_adapter * a, u16 addr, | |||
268 | } | 272 | } |
269 | 273 | ||
270 | outb_p(((addr & 0x7f) << 1) | (rw & 0x01), SMB_HST_ADD); | 274 | outb_p(((addr & 0x7f) << 1) | (rw & 0x01), SMB_HST_ADD); |
271 | outb_p((inb_p(SMB_HST_CNTL2) & ~HST_CNTL2_SIZEMASK) | (size << 3), SMB_HST_CNTL2); | 275 | outb_p((inb_p(SMB_HST_CNTL2) & ~HST_CNTL2_SIZEMASK) | |
276 | (size << 3), SMB_HST_CNTL2); | ||
272 | 277 | ||
273 | /* Write the command register */ | 278 | /* Write the command register */ |
274 | 279 | ||
275 | switch(size) { | 280 | switch (size) { |
276 | case HST_CNTL2_BYTE: | 281 | case HST_CNTL2_BYTE: |
277 | if (rw== I2C_SMBUS_WRITE) | 282 | if (rw == I2C_SMBUS_WRITE) |
278 | /* Beware it uses DAT0 register and not CMD! */ | 283 | /* Beware it uses DAT0 register and not CMD! */ |
279 | outb_p(cmd, SMB_HST_DAT0); | 284 | outb_p(cmd, SMB_HST_DAT0); |
280 | break; | 285 | break; |
@@ -292,11 +297,12 @@ static s32 ali1563_access(struct i2c_adapter * a, u16 addr, | |||
292 | break; | 297 | break; |
293 | case HST_CNTL2_BLOCK: | 298 | case HST_CNTL2_BLOCK: |
294 | outb_p(cmd, SMB_HST_CMD); | 299 | outb_p(cmd, SMB_HST_CMD); |
295 | error = ali1563_block(a,data,rw); | 300 | error = ali1563_block(a, data, rw); |
296 | goto Done; | 301 | goto Done; |
297 | } | 302 | } |
298 | 303 | ||
299 | if ((error = ali1563_transaction(a, size))) | 304 | error = ali1563_transaction(a, size); |
305 | if (error) | ||
300 | goto Done; | 306 | goto Done; |
301 | 307 | ||
302 | if ((rw == I2C_SMBUS_WRITE) || (size == HST_CNTL2_QUICK)) | 308 | if ((rw == I2C_SMBUS_WRITE) || (size == HST_CNTL2_QUICK)) |
@@ -317,7 +323,7 @@ Done: | |||
317 | return error; | 323 | return error; |
318 | } | 324 | } |
319 | 325 | ||
320 | static u32 ali1563_func(struct i2c_adapter * a) | 326 | static u32 ali1563_func(struct i2c_adapter *a) |
321 | { | 327 | { |
322 | return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | | 328 | return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | |
323 | I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | | 329 | I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | |
@@ -329,13 +335,13 @@ static int ali1563_setup(struct pci_dev *dev) | |||
329 | { | 335 | { |
330 | u16 ctrl; | 336 | u16 ctrl; |
331 | 337 | ||
332 | pci_read_config_word(dev,ALI1563_SMBBA,&ctrl); | 338 | pci_read_config_word(dev, ALI1563_SMBBA, &ctrl); |
333 | 339 | ||
334 | /* SMB I/O Base in high 12 bits and must be aligned with the | 340 | /* SMB I/O Base in high 12 bits and must be aligned with the |
335 | * size of the I/O space. */ | 341 | * size of the I/O space. */ |
336 | ali1563_smba = ctrl & ~(ALI1563_SMB_IOSIZE - 1); | 342 | ali1563_smba = ctrl & ~(ALI1563_SMB_IOSIZE - 1); |
337 | if (!ali1563_smba) { | 343 | if (!ali1563_smba) { |
338 | dev_warn(&dev->dev,"ali1563_smba Uninitialized\n"); | 344 | dev_warn(&dev->dev, "ali1563_smba Uninitialized\n"); |
339 | goto Err; | 345 | goto Err; |
340 | } | 346 | } |
341 | 347 | ||
@@ -350,8 +356,8 @@ static int ali1563_setup(struct pci_dev *dev) | |||
350 | ctrl | ALI1563_SMB_IOEN); | 356 | ctrl | ALI1563_SMB_IOEN); |
351 | pci_read_config_word(dev, ALI1563_SMBBA, &ctrl); | 357 | pci_read_config_word(dev, ALI1563_SMBBA, &ctrl); |
352 | if (!(ctrl & ALI1563_SMB_IOEN)) { | 358 | if (!(ctrl & ALI1563_SMB_IOEN)) { |
353 | dev_err(&dev->dev, "I/O space still not enabled, " | 359 | dev_err(&dev->dev, |
354 | "giving up\n"); | 360 | "I/O space still not enabled, giving up\n"); |
355 | goto Err; | 361 | goto Err; |
356 | } | 362 | } |
357 | } | 363 | } |
@@ -375,7 +381,7 @@ Err: | |||
375 | 381 | ||
376 | static void ali1563_shutdown(struct pci_dev *dev) | 382 | static void ali1563_shutdown(struct pci_dev *dev) |
377 | { | 383 | { |
378 | release_region(ali1563_smba,ALI1563_SMB_IOSIZE); | 384 | release_region(ali1563_smba, ALI1563_SMB_IOSIZE); |
379 | } | 385 | } |
380 | 386 | ||
381 | static const struct i2c_algorithm ali1563_algorithm = { | 387 | static const struct i2c_algorithm ali1563_algorithm = { |
@@ -394,12 +400,14 @@ static int ali1563_probe(struct pci_dev *dev, | |||
394 | { | 400 | { |
395 | int error; | 401 | int error; |
396 | 402 | ||
397 | if ((error = ali1563_setup(dev))) | 403 | error = ali1563_setup(dev); |
404 | if (error) | ||
398 | goto exit; | 405 | goto exit; |
399 | ali1563_adapter.dev.parent = &dev->dev; | 406 | ali1563_adapter.dev.parent = &dev->dev; |
400 | snprintf(ali1563_adapter.name, sizeof(ali1563_adapter.name), | 407 | snprintf(ali1563_adapter.name, sizeof(ali1563_adapter.name), |
401 | "SMBus ALi 1563 Adapter @ %04x", ali1563_smba); | 408 | "SMBus ALi 1563 Adapter @ %04x", ali1563_smba); |
402 | if ((error = i2c_add_adapter(&ali1563_adapter))) | 409 | error = i2c_add_adapter(&ali1563_adapter); |
410 | if (error) | ||
403 | goto exit_shutdown; | 411 | goto exit_shutdown; |
404 | return 0; | 412 | return 0; |
405 | 413 | ||
@@ -421,12 +429,12 @@ static const struct pci_device_id ali1563_id_table[] = { | |||
421 | {}, | 429 | {}, |
422 | }; | 430 | }; |
423 | 431 | ||
424 | MODULE_DEVICE_TABLE (pci, ali1563_id_table); | 432 | MODULE_DEVICE_TABLE(pci, ali1563_id_table); |
425 | 433 | ||
426 | static struct pci_driver ali1563_pci_driver = { | 434 | static struct pci_driver ali1563_pci_driver = { |
427 | .name = "ali1563_smbus", | 435 | .name = "ali1563_smbus", |
428 | .id_table = ali1563_id_table, | 436 | .id_table = ali1563_id_table, |
429 | .probe = ali1563_probe, | 437 | .probe = ali1563_probe, |
430 | .remove = ali1563_remove, | 438 | .remove = ali1563_remove, |
431 | }; | 439 | }; |
432 | 440 | ||