Shubhrajyoti D <shubhrajyoti@xxxxxx> writes:
> pm_runtime_get_sync returns a signed integer.In case of errors
> it returns a negative value.This patch fixes the error check
> by making it signed instead of unsigned thus preventing register
> access if get_sync_fails. Also passes the error cause to the
> debug message.
>
> Cc : Kishon Vijay Abraham I <kishon@xxxxxx>
> Signed-off-by: Shubhrajyoti D <shubhrajyoti@xxxxxx>
> ---
> Compile tested only
>
> drivers/usb/musb/omap2430.c | 5 +++--
> 1 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
> index 2ae0bb3..e5dd18f 100644
> --- a/drivers/usb/musb/omap2430.c
> +++ b/drivers/usb/musb/omap2430.c
> @@ -282,7 +282,8 @@ static void musb_otg_notifier_work(struct work_struct *data_notifier_work)
>
> static int omap2430_musb_init(struct musb *musb)
> {
> - u32 l, status = 0;
> + u32 l;
> + int status = 0;
nit: you might as well drop the '= 0' assignment since it's not needed.
Otherwise, looks right to me.
Acked-by: Kevin Hilman <khilman@xxxxxx>
Kevin
> struct device *dev = musb->controller;
> struct musb_hdrc_platform_data *plat = dev->platform_data;
> struct omap_musb_board_data *data = plat->board_data;
> @@ -301,7 +302,7 @@ static int omap2430_musb_init(struct musb *musb)
>
> status = pm_runtime_get_sync(dev);
> if (status < 0) {
> - dev_err(dev, "pm_runtime_get_sync FAILED");
> + dev_err(dev, "pm_runtime_get_sync FAILED %d\n", status);
> goto err1;
> }
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