RE: [RFC PATCH] mmc: renesas_sdhi_internal_dmac: fall back to PIO if scatterlist doesn't match

Hi Wolfram-san, Thank you for the patch! > From: Wolfram Sang, Sent: Thursday, April 5, 2018 2:01 AM > > From: Wolfram Sang > > If we detect an incompatible scatterlist, we should fall back to PIO, > too. > > Signed-off-by: Wolfram Sang

Re: [RFC PATCH] mmc: renesas_sdhi_internal_dmac: fall back to PIO if scatterlist doesn't match

> > - /* This DMAC cannot handle if sg_len is not 1 */ > > - WARN_ON(host->sg_len > 1); > > - > > - /* This DMAC cannot handle if buffer is not 8-bytes alignment */ > > - if (!IS_ALIGNED(sg->offset, 8)) > > + if (WARN_ON(host->sg_len > 1) || !IS_ALIGNED(sg->offset,

Re: [RFC PATCH] mmc: renesas_sdhi_internal_dmac: fall back to PIO if scatterlist doesn't match

On 4 April 2018 at 19:00, Wolfram Sang wrote: > From: Wolfram Sang > > If we detect an incompatible scatterlist, we should fall back to PIO, > too. > > Signed-off-by: Wolfram Sang > --- > > I found this