diff options
author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2011-09-15 08:39:23 -0400 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-09-19 18:15:29 -0400 |
commit | 2d7c957e2ec0aebdd595a32b884a51270d34d28d (patch) | |
tree | c493eadd20a7bbc37740eb49d1f100612cf44198 /drivers/mfd/twl6040-core.c | |
parent | 76067540c642b1a14679ab74bd027a074c23e63b (diff) |
MFD: twl6040: Remove global pointer for platform_device
There is no need to keep global pointer for the platform
device, since it is only used for dev_* prints, and the
device pointer available within the twl6040 structure.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/mfd/twl6040-core.c')
-rw-r--r-- | drivers/mfd/twl6040-core.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c index 24d436c2fe4a..b0519e663be9 100644 --- a/drivers/mfd/twl6040-core.c +++ b/drivers/mfd/twl6040-core.c | |||
@@ -34,8 +34,6 @@ | |||
34 | #include <linux/mfd/core.h> | 34 | #include <linux/mfd/core.h> |
35 | #include <linux/mfd/twl6040.h> | 35 | #include <linux/mfd/twl6040.h> |
36 | 36 | ||
37 | static struct platform_device *twl6040_dev; | ||
38 | |||
39 | int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg) | 37 | int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg) |
40 | { | 38 | { |
41 | int ret; | 39 | int ret; |
@@ -203,11 +201,11 @@ static irqreturn_t twl6040_naudint_handler(int irq, void *data) | |||
203 | if (intid & TWL6040_THINT) { | 201 | if (intid & TWL6040_THINT) { |
204 | status = twl6040_reg_read(twl6040, TWL6040_REG_STATUS); | 202 | status = twl6040_reg_read(twl6040, TWL6040_REG_STATUS); |
205 | if (status & TWL6040_TSHUTDET) { | 203 | if (status & TWL6040_TSHUTDET) { |
206 | dev_warn(&twl6040_dev->dev, | 204 | dev_warn(twl6040->dev, |
207 | "Thermal shutdown, powering-off"); | 205 | "Thermal shutdown, powering-off"); |
208 | twl6040_power(twl6040, 0); | 206 | twl6040_power(twl6040, 0); |
209 | } else { | 207 | } else { |
210 | dev_warn(&twl6040_dev->dev, | 208 | dev_warn(twl6040->dev, |
211 | "Leaving thermal shutdown, powering-on"); | 209 | "Leaving thermal shutdown, powering-on"); |
212 | twl6040_power(twl6040, 1); | 210 | twl6040_power(twl6040, 1); |
213 | } | 211 | } |
@@ -227,7 +225,7 @@ static int twl6040_power_up_completion(struct twl6040 *twl6040, | |||
227 | if (!time_left) { | 225 | if (!time_left) { |
228 | intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID); | 226 | intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID); |
229 | if (!(intid & TWL6040_READYINT)) { | 227 | if (!(intid & TWL6040_READYINT)) { |
230 | dev_err(&twl6040_dev->dev, | 228 | dev_err(twl6040->dev, |
231 | "timeout waiting for READYINT\n"); | 229 | "timeout waiting for READYINT\n"); |
232 | return -ETIMEDOUT; | 230 | return -ETIMEDOUT; |
233 | } | 231 | } |
@@ -255,7 +253,7 @@ int twl6040_power(struct twl6040 *twl6040, int on) | |||
255 | /* wait for power-up completion */ | 253 | /* wait for power-up completion */ |
256 | ret = twl6040_power_up_completion(twl6040, naudint); | 254 | ret = twl6040_power_up_completion(twl6040, naudint); |
257 | if (ret) { | 255 | if (ret) { |
258 | dev_err(&twl6040_dev->dev, | 256 | dev_err(twl6040->dev, |
259 | "automatic power-down failed\n"); | 257 | "automatic power-down failed\n"); |
260 | twl6040->power_count = 0; | 258 | twl6040->power_count = 0; |
261 | goto out; | 259 | goto out; |
@@ -264,7 +262,7 @@ int twl6040_power(struct twl6040 *twl6040, int on) | |||
264 | /* use manual power-up sequence */ | 262 | /* use manual power-up sequence */ |
265 | ret = twl6040_power_up(twl6040); | 263 | ret = twl6040_power_up(twl6040); |
266 | if (ret) { | 264 | if (ret) { |
267 | dev_err(&twl6040_dev->dev, | 265 | dev_err(twl6040->dev, |
268 | "manual power-up failed\n"); | 266 | "manual power-up failed\n"); |
269 | twl6040->power_count = 0; | 267 | twl6040->power_count = 0; |
270 | goto out; | 268 | goto out; |
@@ -276,7 +274,7 @@ int twl6040_power(struct twl6040 *twl6040, int on) | |||
276 | } else { | 274 | } else { |
277 | /* already powered-down */ | 275 | /* already powered-down */ |
278 | if (!twl6040->power_count) { | 276 | if (!twl6040->power_count) { |
279 | dev_err(&twl6040_dev->dev, | 277 | dev_err(twl6040->dev, |
280 | "device is already powered-off\n"); | 278 | "device is already powered-off\n"); |
281 | ret = -EPERM; | 279 | ret = -EPERM; |
282 | goto out; | 280 | goto out; |
@@ -326,7 +324,7 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id, | |||
326 | lppllctl &= ~TWL6040_LPLLFIN; | 324 | lppllctl &= ~TWL6040_LPLLFIN; |
327 | break; | 325 | break; |
328 | default: | 326 | default: |
329 | dev_err(&twl6040_dev->dev, | 327 | dev_err(twl6040->dev, |
330 | "freq_out %d not supported\n", freq_out); | 328 | "freq_out %d not supported\n", freq_out); |
331 | ret = -EINVAL; | 329 | ret = -EINVAL; |
332 | goto pll_out; | 330 | goto pll_out; |
@@ -347,7 +345,7 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id, | |||
347 | hppllctl); | 345 | hppllctl); |
348 | break; | 346 | break; |
349 | default: | 347 | default: |
350 | dev_err(&twl6040_dev->dev, | 348 | dev_err(twl6040->dev, |
351 | "freq_in %d not supported\n", freq_in); | 349 | "freq_in %d not supported\n", freq_in); |
352 | ret = -EINVAL; | 350 | ret = -EINVAL; |
353 | goto pll_out; | 351 | goto pll_out; |
@@ -356,7 +354,7 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id, | |||
356 | case TWL6040_SYSCLK_SEL_HPPLL: | 354 | case TWL6040_SYSCLK_SEL_HPPLL: |
357 | /* high-performance PLL can provide only 19.2 MHz */ | 355 | /* high-performance PLL can provide only 19.2 MHz */ |
358 | if (freq_out != 19200000) { | 356 | if (freq_out != 19200000) { |
359 | dev_err(&twl6040_dev->dev, | 357 | dev_err(twl6040->dev, |
360 | "freq_out %d not supported\n", freq_out); | 358 | "freq_out %d not supported\n", freq_out); |
361 | ret = -EINVAL; | 359 | ret = -EINVAL; |
362 | goto pll_out; | 360 | goto pll_out; |
@@ -389,7 +387,7 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id, | |||
389 | TWL6040_HPLLENA; | 387 | TWL6040_HPLLENA; |
390 | break; | 388 | break; |
391 | default: | 389 | default: |
392 | dev_err(&twl6040_dev->dev, | 390 | dev_err(twl6040->dev, |
393 | "freq_in %d not supported\n", freq_in); | 391 | "freq_in %d not supported\n", freq_in); |
394 | ret = -EINVAL; | 392 | ret = -EINVAL; |
395 | goto pll_out; | 393 | goto pll_out; |
@@ -406,7 +404,7 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id, | |||
406 | twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); | 404 | twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); |
407 | break; | 405 | break; |
408 | default: | 406 | default: |
409 | dev_err(&twl6040_dev->dev, "unknown pll id %d\n", pll_id); | 407 | dev_err(twl6040->dev, "unknown pll id %d\n", pll_id); |
410 | ret = -EINVAL; | 408 | ret = -EINVAL; |
411 | goto pll_out; | 409 | goto pll_out; |
412 | } | 410 | } |
@@ -471,7 +469,6 @@ static int __devinit twl6040_probe(struct platform_device *pdev) | |||
471 | 469 | ||
472 | platform_set_drvdata(pdev, twl6040); | 470 | platform_set_drvdata(pdev, twl6040); |
473 | 471 | ||
474 | twl6040_dev = pdev; | ||
475 | twl6040->dev = &pdev->dev; | 472 | twl6040->dev = &pdev->dev; |
476 | twl6040->audpwron = pdata->audpwron_gpio; | 473 | twl6040->audpwron = pdata->audpwron_gpio; |
477 | twl6040->irq = pdata->naudint_irq; | 474 | twl6040->irq = pdata->naudint_irq; |
@@ -566,7 +563,6 @@ gpio2_err: | |||
566 | gpio1_err: | 563 | gpio1_err: |
567 | platform_set_drvdata(pdev, NULL); | 564 | platform_set_drvdata(pdev, NULL); |
568 | kfree(twl6040); | 565 | kfree(twl6040); |
569 | twl6040_dev = NULL; | ||
570 | return ret; | 566 | return ret; |
571 | } | 567 | } |
572 | 568 | ||
@@ -586,7 +582,6 @@ static int __devexit twl6040_remove(struct platform_device *pdev) | |||
586 | mfd_remove_devices(&pdev->dev); | 582 | mfd_remove_devices(&pdev->dev); |
587 | platform_set_drvdata(pdev, NULL); | 583 | platform_set_drvdata(pdev, NULL); |
588 | kfree(twl6040); | 584 | kfree(twl6040); |
589 | twl6040_dev = NULL; | ||
590 | 585 | ||
591 | return 0; | 586 | return 0; |
592 | } | 587 | } |