Re: [PATCH 02/10] USB: OHCI: Properly handle ohci-s3c2410 suspend

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Hello.

On 12-06-2013 19:28, Manjunath Goudar wrote:

Suspend scenario in case of ohci-s3c2410 glue was not
properly handled as it was not suspending generic part
of ohci controller.Calling explicitly the ohci_suspend()
routine in ohci_hcd_s3c2410_drv_suspend() will ensure
proper handling of suspend scenario.

Signed-off-by: Manjunath Goudar <manjunath.goudar@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Cc: linux-usb@xxxxxxxxxxxxxxx
---
  drivers/usb/host/ohci-s3c2410.c |    3 +++
  1 file changed, 3 insertions(+)

diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index 8018bb1..2ffa693 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -430,6 +430,7 @@ static int ohci_hcd_s3c2410_drv_suspend(struct device *dev)
  	struct platform_device *pdev = to_platform_device(dev);
  	unsigned long flags;
  	int rc = 0;
+	bool do_wakeup = device_may_wakeup(dev);

  	/*
  	 * Root hub was already suspended. Disable irq emission and
@@ -445,6 +446,8 @@ static int ohci_hcd_s3c2410_drv_suspend(struct device *dev)

  	clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);

+	rc = ohci_suspend(hcd, do_wakeup);
+

Why not call ohci_suspend with device_may_wakeup(&pdev->dev) result directly, saving on a local variable only used once? Same comment about the following patches...

WBR, Sergei

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