diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2016-01-26 13:40:32 +0000 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-02-29 11:03:21 +0100 |
| commit | f48f039cd2d33d01ba15e92018dc18a0ea68c764 (patch) | |
| tree | 149c136e371531dad8396f63eb3b56cde15dc8c8 /drivers/mmc/host | |
| parent | c0999b720c4f9c34cf10f79caf71bf8c1a246390 (diff) | |
| download | blackbird-op-linux-f48f039cd2d33d01ba15e92018dc18a0ea68c764.tar.gz blackbird-op-linux-f48f039cd2d33d01ba15e92018dc18a0ea68c764.zip | |
mmc: sdhci: always unmap a mapped data transfer in sdhci_post_req()
If the host cookie indicates that the data buffers of a request are
mapped at sdhci_post_req() time, always unmap the data buffers.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9321d4a5b4e6..393a1b077746 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2078,8 +2078,7 @@ static void sdhci_post_req(struct mmc_host *mmc, struct mmc_request *mrq, struct sdhci_host *host = mmc_priv(mmc); struct mmc_data *data = mrq->data; - if (data->host_cookie == COOKIE_GIVEN || - data->host_cookie == COOKIE_MAPPED) + if (data->host_cookie != COOKIE_UNMAPPED) dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, data->flags & MMC_DATA_WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE); |
