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    Subject[PATCH RFC PKS/PMEM 43/58] drivers/mmc: Utilize new kmap_thread()
    Date
    From: Ira Weiny <ira.weiny@intel.com>

    These kmap() calls are localized to a single thread. To avoid the over
    head of global PKRS updates use the new kmap_thread() call.

    Cc: Ulf Hansson <ulf.hansson@linaro.org>
    Cc: Sascha Sommer <saschasommer@freenet.de>
    Signed-off-by: Ira Weiny <ira.weiny@intel.com>
    ---
    drivers/mmc/host/mmc_spi.c | 4 ++--
    drivers/mmc/host/sdricoh_cs.c | 4 ++--
    2 files changed, 4 insertions(+), 4 deletions(-)

    diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
    index 18a850f37ddc..ab28e7103b8d 100644
    --- a/drivers/mmc/host/mmc_spi.c
    +++ b/drivers/mmc/host/mmc_spi.c
    @@ -918,7 +918,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
    }

    /* allow pio too; we don't allow highmem */
    - kmap_addr = kmap(sg_page(sg));
    + kmap_addr = kmap_thread(sg_page(sg));
    if (direction == DMA_TO_DEVICE)
    t->tx_buf = kmap_addr + sg->offset;
    else
    @@ -950,7 +950,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
    /* discard mappings */
    if (direction == DMA_FROM_DEVICE)
    flush_kernel_dcache_page(sg_page(sg));
    - kunmap(sg_page(sg));
    + kunmap_thread(sg_page(sg));
    if (dma_dev)
    dma_unmap_page(dma_dev, dma_addr, PAGE_SIZE, dir);

    diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c
    index 76a8cd3a186f..7806bc69c4f1 100644
    --- a/drivers/mmc/host/sdricoh_cs.c
    +++ b/drivers/mmc/host/sdricoh_cs.c
    @@ -312,11 +312,11 @@ static void sdricoh_request(struct mmc_host *mmc, struct mmc_request *mrq)
    int result;
    page = sg_page(data->sg);

    - buf = kmap(page) + data->sg->offset + (len * i);
    + buf = kmap_thread(page) + data->sg->offset + (len * i);
    result =
    sdricoh_blockio(host,
    data->flags & MMC_DATA_READ, buf, len);
    - kunmap(page);
    + kunmap_thread(page);
    flush_dcache_page(page);
    if (result) {
    dev_err(dev, "sdricoh_request: cmd %i "
    --
    2.28.0.rc0.12.gb6a658bd00c9
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