xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

spi: bfin5xx: convert from legacy pm ops to dev_pm_ops

Browse Source 
Instead of using legacy suspend/resume methods, using newer
dev_pm_ops structure allows better control over power management.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Jingoo Han
2013-09-09 17:55:32 +09:00
committed by Mark Brown
parent 272b98c645
commit fbbfd68bc0
1 changed files with 13 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/spi/spi-bfin5xx.c
View File

@@ -1410,10 +1410,10 @@ static int bfin_spi_remove(struct platform_device *pdev)
return 0; return 0;
} }
#ifdef CONFIG_PM #ifdef CONFIG_PM_SLEEP
static int bfin_spi_suspend(struct platform_device *pdev, pm_message_t state) static int bfin_spi_suspend(struct device *dev)
{ {
struct bfin_spi_master_data *drv_data = platform_get_drvdata(pdev); struct bfin_spi_master_data *drv_data = dev_get_drvdata(dev);
int status = 0; int status = 0;
status = bfin_spi_stop_queue(drv_data); status = bfin_spi_stop_queue(drv_data);
@@ -1432,9 +1432,9 @@ static int bfin_spi_suspend(struct platform_device *pdev, pm_message_t state)
return 0; return 0;
} }
static int bfin_spi_resume(struct platform_device *pdev) static int bfin_spi_resume(struct device *dev)
{ {
struct bfin_spi_master_data *drv_data = platform_get_drvdata(pdev); struct bfin_spi_master_data *drv_data = dev_get_drvdata(dev);
int status = 0; int status = 0;
bfin_write(&drv_data->regs->ctl, drv_data->ctrl_reg); bfin_write(&drv_data->regs->ctl, drv_data->ctrl_reg);
@@ -1443,25 +1443,27 @@ static int bfin_spi_resume(struct platform_device *pdev)
/* Start the queue running */ /* Start the queue running */
status = bfin_spi_start_queue(drv_data); status = bfin_spi_start_queue(drv_data);
if (status != 0) { if (status != 0) {
dev_err(&pdev->dev, "problem starting queue (%d)\n", status); dev_err(dev, "problem starting queue (%d)\n", status);
return status; return status;
} }
return 0; return 0;
} }
static SIMPLE_DEV_PM_OPS(bfin_spi_pm_ops, bfin_spi_suspend, bfin_spi_resume);
#define BFIN_SPI_PM_OPS (&bfin_spi_pm_ops)
#else #else
#define bfin_spi_suspend NULL #define BFIN_SPI_PM_OPS NULL
#define bfin_spi_resume NULL #endif
#endif /* CONFIG_PM */
MODULE_ALIAS("platform:bfin-spi"); MODULE_ALIAS("platform:bfin-spi");
static struct platform_driver bfin_spi_driver = { static struct platform_driver bfin_spi_driver = {
.driver = { .driver = {
.name = DRV_NAME, .name = DRV_NAME,
.owner = THIS_MODULE, .owner = THIS_MODULE,
.pm = BFIN_SPI_PM_OPS,
}, },
.suspend = bfin_spi_suspend,
.resume = bfin_spi_resume,
.remove = bfin_spi_remove, .remove = bfin_spi_remove,
}; };