diff options
| author | Jubeom Kim <jubeomk@nvidia.com> | 2011-03-17 23:03:07 +0900 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-03-18 15:57:23 -0800 |
| commit | 8e4f39d9d195facc80d89016806bf45690f4f514 (patch) | |
| tree | 96c0c5f1a099985e4f65c8575c2271d834eec63a | |
| parent | e0677a9398abde4739071e1092f577bdc97efae6 (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: Ie2f453b96fb9ab9b16cafec79644fe5d3b982dd3
Reviewed-on: http://git-master/r/23347
Tested-by: Jubeom Kim <jubeomk@nvidia.com>
Reviewed-by: Jinyoung Park <jinyoungp@nvidia.com>
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-by: Mayuresh Kulkarni <mkulkarni@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
| -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, }, }; |