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>
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@ -2078,8 +2078,7 @@ static void sdhci_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
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struct sdhci_host *host = mmc_priv(mmc);
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struct mmc_data *data = mrq->data;
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if (data->host_cookie == COOKIE_GIVEN ||
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data->host_cookie == COOKIE_MAPPED)
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if (data->host_cookie != COOKIE_UNMAPPED)
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dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
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data->flags & MMC_DATA_WRITE ?
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DMA_TO_DEVICE : DMA_FROM_DEVICE);
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