[PATCH] usb: ohci-exynos: Remove locks for 'ohci' in suspend callback

Vivek Gautam gautamvivek1987 at gmail.com
Fri Apr 4 06:57:36 PDT 2014


On Fri, Apr 4, 2014 at 7:03 PM, Vivek Gautam <gautamvivek1987 at gmail.com> wrote:
> Patch : 14982e3 USB: OHCI: Properly handle ohci-exynos suspend
> has already removed 'ohci_hcd' settings from exynos glue layer
> as a part of streamlining the ohci controller's suspend.
> So we don't need the locks for 'ohci_hcd' anymore.
>
> Signed-off-by: Vivek Gautam <gautam.vivek at samsung.com>
> Cc: Manjunath Goudar <csmanjuvijay at gmail.com>
> Cc: Alan Stern <stern at rowland.harvard.edu>
> ---

Please ignore this patch, WIP, got sent by mistake :-(
Sorry for spamming.

>  drivers/usb/host/ohci-exynos.c |    4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
> index 68588d8..7f5e779 100644
> --- a/drivers/usb/host/ohci-exynos.c
> +++ b/drivers/usb/host/ohci-exynos.c
> @@ -199,8 +199,6 @@ static int exynos_ohci_suspend(struct device *dev)
>         if (rc)
>                 return rc;
>
> -       spin_lock_irqsave(&ohci->lock, flags);
> -
>         if (exynos_ohci->otg)
>                 exynos_ohci->otg->set_host(exynos_ohci->otg, &hcd->self);
>
> @@ -208,8 +206,6 @@ static int exynos_ohci_suspend(struct device *dev)
>
>         clk_disable_unprepare(exynos_ohci->clk);
>
> -       spin_unlock_irqrestore(&ohci->lock, flags);
> -
>         return 0;
>  }
>
> --
> 1.7.10.4
>



-- 
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India



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