lkml.org 
[lkml]   [2015]   [Jul]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    SubjectRe: [PATCH 1/1 linux-next] mmc: omap: use for_each_sg() for scatterlist parsing
    From
    On 16 June 2015 at 21:15, Fabian Frederick <fabf@skynet.be> wrote:
    > See Documentation/DMA-API.txt - Part Id
    >
    > Signed-off-by: Fabian Frederick <fabf@skynet.be>

    Thanks, applied!

    Kind regards
    Uffe

    > ---
    > This is untested.
    >
    > drivers/mmc/host/omap.c | 5 +++--
    > 1 file changed, 3 insertions(+), 2 deletions(-)
    >
    > diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
    > index 68dd6c7..70dcf07 100644
    > --- a/drivers/mmc/host/omap.c
    > +++ b/drivers/mmc/host/omap.c
    > @@ -948,6 +948,7 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
    > {
    > struct mmc_data *data = req->data;
    > int i, use_dma = 1, block_size;
    > + struct scatterlist *sg;
    > unsigned sg_len;
    >
    > host->data = data;
    > @@ -972,8 +973,8 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
    > sg_len = (data->blocks == 1) ? 1 : data->sg_len;
    >
    > /* Only do DMA for entire blocks */
    > - for (i = 0; i < sg_len; i++) {
    > - if ((data->sg[i].length % block_size) != 0) {
    > + for_each_sg(data->sg, sg, sg_len, i) {
    > + if ((sg->length % block_size) != 0) {
    > use_dma = 0;
    > break;
    > }
    > --
    > 2.4.2
    >


    \
     
     \ /
      Last update: 2015-07-20 16:41    [W:4.099 / U:0.008 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site