Vikram,
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Pandita, Vikram
> Sent: Friday, June 26, 2009 11:18 AM
> To: [email protected]
> Cc: Pandita, Vikram
> Subject: [PATCH] OMAP2/3: DMA errata correction
>
> This errata is valid for:
> OMAP2420 Errata 1.85 Impacts all 2420 ES rev
> OMAP2430 Errata 1.10 Impacts only ES1.0
> Description: DMA may hang when several channels are used in parallel
>
> OMAP3430: Not impacted, so remove the errata fix for omap3
>
> Signed-off-by: Vikram Pandita <[email protected]>
> ---
> arch/arm/plat-omap/dma.c | 4 +++-
> 1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
> index 7677a4a..feebaf3 100644
> --- a/arch/arm/plat-omap/dma.c
> +++ b/arch/arm/plat-omap/dma.c
> @@ -946,7 +946,9 @@ void omap_start_dma(int lch)
>
> cur_lch = next_lch;
> } while (next_lch != -1);
> - } else if (cpu_class_is_omap2()) {
> + } else if (cpu_is_omap24xx() ||
This should be cpu_is_omap242x() || ...
Regards,
Nishant
> + (cpu_is_omap243x() && omap_type() <=
> OMAP2430_REV_ES1_0)) {
> +
> /* Errata: Need to write lch even if not using
> chaining */
> dma_write(lch, CLNK_CTRL(lch));
> }
> --
> 1.6.3.3.334.g916e1
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