The mmc part in exynos supports SDIO interrupts and they work fine, so turn the capability on. With this I see download speeds increase about 10x. This is a port of a change present in the Chrome OS tree that can be found at <https://gerrit.chromium.org/gerrit/#/c/26729/>. Signed-off-by: Doug Anderson <dianders@xxxxxxxxxxxx> --- drivers/mmc/host/dw_mmc-exynos.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index c7f0976..3a227be 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -192,10 +192,10 @@ static int dw_mci_exynos_setup_bus(struct dw_mci *host, /* Common capabilities of Exynos4/Exynos5 SoC */ static unsigned long exynos_dwmmc_caps[4] = { MMC_CAP_UHS_DDR50 | MMC_CAP_1_8V_DDR | - MMC_CAP_8_BIT_DATA | MMC_CAP_CMD23, - MMC_CAP_CMD23, - MMC_CAP_CMD23, - MMC_CAP_CMD23, + MMC_CAP_8_BIT_DATA | MMC_CAP_CMD23 | MMC_CAP_SDIO_IRQ, + MMC_CAP_CMD23 | MMC_CAP_SDIO_IRQ, + MMC_CAP_CMD23 | MMC_CAP_SDIO_IRQ, + MMC_CAP_CMD23 | MMC_CAP_SDIO_IRQ, }; static const struct dw_mci_drv_data exynos_drv_data = { -- 1.8.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html