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authorDan Williams <dan.j.williams@intel.com>2009-09-10 00:06:44 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2009-09-14 20:27:00 +0200
commit33f82d141c897f39cd8bce592d88cb3c5af58342 (patch)
tree7765831183d05fb635e60e8f8bf92e0bdfe06b5c /drivers/dma
parent3eb132c986f04f64b9c360abd67a1e0d18d6d5b4 (diff)
downloadop-kernel-dev-33f82d141c897f39cd8bce592d88cb3c5af58342.zip
op-kernel-dev-33f82d141c897f39cd8bce592d88cb3c5af58342.tar.gz
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: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/at_hdmac.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 9a1e5fb..c8522e6 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1166,32 +1166,37 @@ static void at_dma_shutdown(struct platform_device *pdev)
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 at_dma *atdma = platform_get_drvdata(pdev);
+ struct platform_device *pdev = to_platform_device(dev);
+ struct at_dma *atdma = platform_get_drvdata(pdev);
at_dma_off(platform_get_drvdata(pdev));
clk_disable(atdma->clk);
return 0;
}
-static int at_dma_resume_early(struct platform_device *pdev)
+static int at_dma_resume_noirq(struct device *dev)
{
- struct at_dma *atdma = platform_get_drvdata(pdev);
+ struct platform_device *pdev = to_platform_device(dev);
+ struct at_dma *atdma = platform_get_drvdata(pdev);
clk_enable(atdma->clk);
dma_writel(atdma, EN, AT_DMA_ENABLE);
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 = {
.remove = __exit_p(at_dma_remove),
.shutdown = at_dma_shutdown,
- .suspend_late = at_dma_suspend_late,
- .resume_early = at_dma_resume_early,
.driver = {
.name = "at_hdmac",
+ .pm = &at_dma_dev_pm_ops,
},
};
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