Messages in this thread | | | Date | Thu, 27 Dec 2012 11:06:51 +0100 | From | Sascha Hauer <> | Subject | Re: [PATCH 1/3] staging: drm/imx: check return value of ipu_reset() |
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On Tue, Dec 25, 2012 at 03:58:37PM +0100, Lothar Waßmann wrote: > ipu_reset() can fail with a timeout. Check the return value and act > appropriately. > > Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
All:
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
> --- > drivers/staging/imx-drm/ipu-v3/ipu-common.c | 5 ++++- > 1 files changed, 4 insertions(+), 1 deletions(-) > > diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c > index 677e665..f7059cd 100644 > --- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c > +++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c > @@ -1104,7 +1104,9 @@ static int ipu_probe(struct platform_device *pdev) > if (ret) > goto out_failed_irq; > > - ipu_reset(ipu); > + ret = ipu_reset(ipu); > + if (ret) > + goto out_failed_reset; > > /* Set MCU_T to divide MCU access window into 2 */ > ipu_cm_write(ipu, 0x00400000L | (IPU_MCU_T_DEFAULT << 18), > @@ -1129,6 +1131,7 @@ failed_add_clients: > ipu_submodules_exit(ipu); > failed_submodules_init: > ipu_irq_exit(ipu); > +out_failed_reset: > out_failed_irq: > clk_disable_unprepare(ipu->clk); > failed_clk_get: > -- > 1.7.2.5 > >
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