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| author | Shubhrajyoti D <shubhrajyoti@ti.com> | 2012-03-22 12:48:06 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-27 10:16:51 -0700 |
| commit | 5d782e6bba7fa9da7347b8ac749fc18176be9ae3 (patch) | |
| tree | 7d770e263bc9f3fedf3f9da6ba788d778b51b791 | |
| parent | 6407c7c9a16e5778e93da2b067c80f7a609a9e37 (diff) | |
| download | lwn-5d782e6bba7fa9da7347b8ac749fc18176be9ae3.tar.gz lwn-5d782e6bba7fa9da7347b8ac749fc18176be9ae3.zip | |
usb: musb: omap: fix the error check for pm_runtime_get_sync
commit ad579699c4f0274bf522a9252ff9b20c72197e48 upstream.
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@ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | 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 26f75655f3cb..11541e884b4f 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -281,7 +281,8 @@ 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; struct device *dev = musb->controller; struct musb_hdrc_platform_data *plat = dev->platform_data; struct omap_musb_board_data *data = plat->board_data; @@ -300,7 +301,7 @@ 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; } |