Vikram Pandita <vikram.pandita@xxxxxx> writes: > 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 <vikram.pandita@xxxxxx> > Reviewed-by: Kamat, Nishant <nskamat@xxxxxx> Acked-by: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> > --- > [Note: Respin of - > http://patchwork.kernel.org/patch/32513/ > Incorporated Nishant's review comment] > 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 34939bf..bf08634 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_omap242x() || > + (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 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
