* Jarkko Nikula <jarkko.nikula@xxxxxxxxx> [080818 12:53]:
> This has similar symptoms than 66c23551b1b774e2be3c7bdf91c0ebf2c7a3519e
> where just omap_request_dma, omap_dma_link_lch and omap_dma_unlink_lch
> can cause incorrect dump_stack(). Here it can happen if channel has been
> used before and the channel flags variable holds old status.
Pushing today.
Tony
> Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxx>
> ---
> arch/arm/plat-omap/dma.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
> index a63b644..1c6b905 100644
> --- a/arch/arm/plat-omap/dma.c
> +++ b/arch/arm/plat-omap/dma.c
> @@ -712,6 +712,7 @@ int omap_request_dma(int dev_id, const char *dev_name,
> chan->dev_name = dev_name;
> chan->callback = callback;
> chan->data = data;
> + chan->flags = 0;
>
> #ifndef CONFIG_ARCH_OMAP1
> if (cpu_class_is_omap2()) {
> --
> 1.5.6.3
>
> --
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