Commit 33f82d14 authored by Dan Williams's avatar Dan Williams Committed by Rafael J. Wysocki

at_hdmac: Rework suspend_late()/resume_early()

This patch reworks platform driver power management code
for at_hdmac from legacy late/early callbacks to dev_pm_ops.

The callbacks are converted for CONFIG_SUSPEND like this:
  suspend_late() -> suspend_noirq()
  resume_early() -> resume_noirq()
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
parent 3eb132c9
...@@ -1166,8 +1166,9 @@ static void at_dma_shutdown(struct platform_device *pdev) ...@@ -1166,8 +1166,9 @@ static void at_dma_shutdown(struct platform_device *pdev)
clk_disable(atdma->clk); clk_disable(atdma->clk);
} }
static int at_dma_suspend_late(struct platform_device *pdev, pm_message_t mesg) static int at_dma_suspend_noirq(struct device *dev)
{ {
struct platform_device *pdev = to_platform_device(dev);
struct at_dma *atdma = platform_get_drvdata(pdev); struct at_dma *atdma = platform_get_drvdata(pdev);
at_dma_off(platform_get_drvdata(pdev)); at_dma_off(platform_get_drvdata(pdev));
...@@ -1175,23 +1176,27 @@ static int at_dma_suspend_late(struct platform_device *pdev, pm_message_t mesg) ...@@ -1175,23 +1176,27 @@ static int at_dma_suspend_late(struct platform_device *pdev, pm_message_t mesg)
return 0; return 0;
} }
static int at_dma_resume_early(struct platform_device *pdev) static int at_dma_resume_noirq(struct device *dev)
{ {
struct platform_device *pdev = to_platform_device(dev);
struct at_dma *atdma = platform_get_drvdata(pdev); struct at_dma *atdma = platform_get_drvdata(pdev);
clk_enable(atdma->clk); clk_enable(atdma->clk);
dma_writel(atdma, EN, AT_DMA_ENABLE); dma_writel(atdma, EN, AT_DMA_ENABLE);
return 0; return 0;
} }
static struct dev_pm_ops at_dma_dev_pm_ops = {
.suspend_noirq = at_dma_suspend_noirq,
.resume_noirq = at_dma_resume_noirq,
};
static struct platform_driver at_dma_driver = { static struct platform_driver at_dma_driver = {
.remove = __exit_p(at_dma_remove), .remove = __exit_p(at_dma_remove),
.shutdown = at_dma_shutdown, .shutdown = at_dma_shutdown,
.suspend_late = at_dma_suspend_late,
.resume_early = at_dma_resume_early,
.driver = { .driver = {
.name = "at_hdmac", .name = "at_hdmac",
.pm = &at_dma_dev_pm_ops,
}, },
}; };
......
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