diff options
| author | Jubeom Kim <jubeomk@nvidia.com> | 2011-03-18 17:45:14 +0900 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-03-22 14:09:17 -0800 |
| commit | 23082820eafe95665ddbee05e8c63c1ec08cc49f (patch) | |
| tree | d5bbb31d95a0a6cb224a245ac7b025c4d71d892e /drivers | |
| parent | f9979eb6e9042eeb582cfb837668e17715b6c0d0 (diff) | |
i2c-tegra: Using suspend_noirq()/resume_noirq() for suspend/resume.
I2C driver needs to be suspended late and resumed early than other drivers.
So, I2C driver uses the suspend_noirq/resume_noirq callbacks of struct dev_pm_ops
for early/late power management system.
Change-Id: I79747c374e7e5e3754c0a6fad8d78aa8e71dc6aa
Reviewed-on: http://git-master/r/23494
Tested-by: Jubeom Kim <jubeomk@nvidia.com>
Reviewed-by: Jinyoung Park <jinyoungp@nvidia.com>
Reviewed-by: Daehyoung Ko <dko@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 8a7c909f5fc3..49880008d5b5 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -772,8 +772,9 @@ static int tegra_i2c_remove(struct platform_device *pdev) } #ifdef CONFIG_PM -static int tegra_i2c_suspend(struct platform_device *pdev, pm_message_t state) +static int tegra_i2c_suspend_noirq(struct device *dev) { + struct platform_device *pdev = to_platform_device(dev); struct tegra_i2c_dev *i2c_dev = platform_get_drvdata(pdev); rt_mutex_lock(&i2c_dev->dev_lock); @@ -783,8 +784,9 @@ static int tegra_i2c_suspend(struct platform_device *pdev, pm_message_t state) return 0; } -static int tegra_i2c_resume(struct platform_device *pdev) +static int tegra_i2c_resume_noirq(struct device *dev) { + struct platform_device *pdev = to_platform_device(dev); struct tegra_i2c_dev *i2c_dev = platform_get_drvdata(pdev); int ret; @@ -803,18 +805,23 @@ static int tegra_i2c_resume(struct platform_device *pdev) return 0; } + +static const struct dev_pm_ops tegra_i2c_dev_pm_ops = { + .suspend_noirq = tegra_i2c_suspend_noirq, + .resume_noirq = tegra_i2c_resume_noirq, +}; +#define TEGRA_I2C_DEV_PM_OPS (&tegra_i2c_dev_pm_ops) +#else +#define TEGRA_I2C_DEV_PM_OPS NULL #endif static struct platform_driver tegra_i2c_driver = { .probe = tegra_i2c_probe, .remove = tegra_i2c_remove, -#ifdef CONFIG_PM - .suspend = tegra_i2c_suspend, - .resume = tegra_i2c_resume, -#endif .driver = { .name = "tegra-i2c", .owner = THIS_MODULE, + .pm = TEGRA_I2C_DEV_PM_OPS, }, }; |