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authorGrant Likely <grant.likely@secretlab.ca>2010-12-23 02:41:14 -0500
committerGrant Likely <grant.likely@secretlab.ca>2010-12-23 02:41:14 -0500
commitcfb13c5db08c90311a5defdde9a0328ee788cca5 (patch)
tree842cb60d1d19b99e550fdbc653723e4b13e51ee5 /arch/arm/plat-samsung/gpio-config.c
parent4b6ba8aacbb3185703b797286547d0f8f3859b02 (diff)
parent90a8a73c06cc32b609a880d48449d7083327e11a (diff)
Merge commit 'v2.6.37-rc7' into devicetree/next
Diffstat (limited to 'arch/arm/plat-samsung/gpio-config.c')
-rw-r--r--arch/arm/plat-samsung/gpio-config.c47
1 files changed, 37 insertions, 10 deletions
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index b732b773b9af..0aa32f242ee4 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -280,18 +280,17 @@ s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
280} 280}
281#endif 281#endif
282 282
283#ifdef CONFIG_S3C_GPIO_PULL_UP 283#if defined(CONFIG_S3C_GPIO_PULL_UP) || defined(CONFIG_S3C_GPIO_PULL_DOWN)
284int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, 284static int s3c_gpio_setpull_1(struct s3c_gpio_chip *chip,
285 unsigned int off, s3c_gpio_pull_t pull) 285 unsigned int off, s3c_gpio_pull_t pull,
286 s3c_gpio_pull_t updown)
286{ 287{
287 void __iomem *reg = chip->base + 0x08; 288 void __iomem *reg = chip->base + 0x08;
288 u32 pup = __raw_readl(reg); 289 u32 pup = __raw_readl(reg);
289 290
290 pup = __raw_readl(reg); 291 if (pull == updown)
291
292 if (pup == S3C_GPIO_PULL_UP)
293 pup &= ~(1 << off); 292 pup &= ~(1 << off);
294 else if (pup == S3C_GPIO_PULL_NONE) 293 else if (pull == S3C_GPIO_PULL_NONE)
295 pup |= (1 << off); 294 pup |= (1 << off);
296 else 295 else
297 return -EINVAL; 296 return -EINVAL;
@@ -300,17 +299,45 @@ int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
300 return 0; 299 return 0;
301} 300}
302 301
303s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, 302static s3c_gpio_pull_t s3c_gpio_getpull_1(struct s3c_gpio_chip *chip,
304 unsigned int off) 303 unsigned int off, s3c_gpio_pull_t updown)
305{ 304{
306 void __iomem *reg = chip->base + 0x08; 305 void __iomem *reg = chip->base + 0x08;
307 u32 pup = __raw_readl(reg); 306 u32 pup = __raw_readl(reg);
308 307
309 pup &= (1 << off); 308 pup &= (1 << off);
310 return pup ? S3C_GPIO_PULL_NONE : S3C_GPIO_PULL_UP; 309 return pup ? S3C_GPIO_PULL_NONE : updown;
310}
311#endif /* CONFIG_S3C_GPIO_PULL_UP || CONFIG_S3C_GPIO_PULL_DOWN */
312
313#ifdef CONFIG_S3C_GPIO_PULL_UP
314s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip,
315 unsigned int off)
316{
317 return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP);
318}
319
320int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
321 unsigned int off, s3c_gpio_pull_t pull)
322{
323 return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP);
311} 324}
312#endif /* CONFIG_S3C_GPIO_PULL_UP */ 325#endif /* CONFIG_S3C_GPIO_PULL_UP */
313 326
327#ifdef CONFIG_S3C_GPIO_PULL_DOWN
328s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip,
329 unsigned int off)
330{
331 return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN);
332}
333
334int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip,
335 unsigned int off, s3c_gpio_pull_t pull)
336{
337 return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN);
338}
339#endif /* CONFIG_S3C_GPIO_PULL_DOWN */
340
314#ifdef CONFIG_S5P_GPIO_DRVSTR 341#ifdef CONFIG_S5P_GPIO_DRVSTR
315s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin) 342s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin)
316{ 343{