Hi Per,
On Fri, Jun 17 2011, Per Forlin wrote:
Don't use the returned sg_len from dma_map_sg() as inparameter to dma_unmap_sg(). Use the original sg_len for both dma_map_sg and dma_unmap_sg according to the documentation in DMA-API.txt.
Signed-off-by: Per Forlin per.forlin@linaro.org Reviewed-by: Venkatraman S svenkatr@ti.com
drivers/mmc/host/omap_hsmmc.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 259ece0..ad3731a 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -959,7 +959,8 @@ static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno) spin_unlock(&host->irq_lock); if (host->use_dma && dma_ch != -1) {
dma_unmap_sg(mmc_dev(host->mmc), host->data->sg, host->dma_len,
dma_unmap_sg(mmc_dev(host->mmc), host->data->sg,host->data->sg_len, omap_hsmmc_get_dma_dir(host, host->data));@@ -1343,7 +1344,7 @@ static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *cb_data) return; }
- dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_len,
- dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, omap_hsmmc_get_dma_dir(host, data));
req_in_progress = host->req_in_progress;
Pushed to mmc-next for 3.0-rc, thanks.
- Chris.