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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-12-20 04:54:54 -0500 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-12-20 04:54:54 -0500 |
commit | 93b8eef1c098efbea2f1fc0be7e3c681f259a7e7 (patch) | |
tree | 462cc8c2bc07bbc825dab2a200891a28d8643329 /drivers/i2c/busses/i2c-s3c2410.c | |
parent | a2d781fc8d9b16113dd9440107d73c0f21d7cbef (diff) | |
parent | 929096fe9ff1f4b3645cf3919527ab47e8d5e17c (diff) |
Merge commit 'v2.6.28-rc9' into next
Diffstat (limited to 'drivers/i2c/busses/i2c-s3c2410.c')
-rw-r--r-- | drivers/i2c/busses/i2c-s3c2410.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index c772e02c2803..b7434d24904e 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c | |||
@@ -56,6 +56,7 @@ enum s3c24xx_i2c_state { | |||
56 | struct s3c24xx_i2c { | 56 | struct s3c24xx_i2c { |
57 | spinlock_t lock; | 57 | spinlock_t lock; |
58 | wait_queue_head_t wait; | 58 | wait_queue_head_t wait; |
59 | unsigned int suspended:1; | ||
59 | 60 | ||
60 | struct i2c_msg *msg; | 61 | struct i2c_msg *msg; |
61 | unsigned int msg_num; | 62 | unsigned int msg_num; |
@@ -507,7 +508,7 @@ static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int | |||
507 | unsigned long timeout; | 508 | unsigned long timeout; |
508 | int ret; | 509 | int ret; |
509 | 510 | ||
510 | if (!readl(i2c->regs + S3C2410_IICCON) & S3C2410_IICCON_IRQEN) | 511 | if (i2c->suspended) |
511 | return -EIO; | 512 | return -EIO; |
512 | 513 | ||
513 | ret = s3c24xx_i2c_set_master(i2c); | 514 | ret = s3c24xx_i2c_set_master(i2c); |
@@ -986,17 +987,26 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev) | |||
986 | } | 987 | } |
987 | 988 | ||
988 | #ifdef CONFIG_PM | 989 | #ifdef CONFIG_PM |
990 | static int s3c24xx_i2c_suspend_late(struct platform_device *dev, | ||
991 | pm_message_t msg) | ||
992 | { | ||
993 | struct s3c24xx_i2c *i2c = platform_get_drvdata(dev); | ||
994 | i2c->suspended = 1; | ||
995 | return 0; | ||
996 | } | ||
997 | |||
989 | static int s3c24xx_i2c_resume(struct platform_device *dev) | 998 | static int s3c24xx_i2c_resume(struct platform_device *dev) |
990 | { | 999 | { |
991 | struct s3c24xx_i2c *i2c = platform_get_drvdata(dev); | 1000 | struct s3c24xx_i2c *i2c = platform_get_drvdata(dev); |
992 | 1001 | ||
993 | if (i2c != NULL) | 1002 | i2c->suspended = 0; |
994 | s3c24xx_i2c_init(i2c); | 1003 | s3c24xx_i2c_init(i2c); |
995 | 1004 | ||
996 | return 0; | 1005 | return 0; |
997 | } | 1006 | } |
998 | 1007 | ||
999 | #else | 1008 | #else |
1009 | #define s3c24xx_i2c_suspend_late NULL | ||
1000 | #define s3c24xx_i2c_resume NULL | 1010 | #define s3c24xx_i2c_resume NULL |
1001 | #endif | 1011 | #endif |
1002 | 1012 | ||
@@ -1005,6 +1015,7 @@ static int s3c24xx_i2c_resume(struct platform_device *dev) | |||
1005 | static struct platform_driver s3c2410_i2c_driver = { | 1015 | static struct platform_driver s3c2410_i2c_driver = { |
1006 | .probe = s3c24xx_i2c_probe, | 1016 | .probe = s3c24xx_i2c_probe, |
1007 | .remove = s3c24xx_i2c_remove, | 1017 | .remove = s3c24xx_i2c_remove, |
1018 | .suspend_late = s3c24xx_i2c_suspend_late, | ||
1008 | .resume = s3c24xx_i2c_resume, | 1019 | .resume = s3c24xx_i2c_resume, |
1009 | .driver = { | 1020 | .driver = { |
1010 | .owner = THIS_MODULE, | 1021 | .owner = THIS_MODULE, |
@@ -1015,6 +1026,7 @@ static struct platform_driver s3c2410_i2c_driver = { | |||
1015 | static struct platform_driver s3c2440_i2c_driver = { | 1026 | static struct platform_driver s3c2440_i2c_driver = { |
1016 | .probe = s3c24xx_i2c_probe, | 1027 | .probe = s3c24xx_i2c_probe, |
1017 | .remove = s3c24xx_i2c_remove, | 1028 | .remove = s3c24xx_i2c_remove, |
1029 | .suspend_late = s3c24xx_i2c_suspend_late, | ||
1018 | .resume = s3c24xx_i2c_resume, | 1030 | .resume = s3c24xx_i2c_resume, |
1019 | .driver = { | 1031 | .driver = { |
1020 | .owner = THIS_MODULE, | 1032 | .owner = THIS_MODULE, |