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由 Doug Anderson 提交于
In the patch (9623b5b9 mmc: dw_mmc: Disable low power mode if SDIO interrupts are used) I added code that disabled the low power mode of dw_mmc when SDIO interrupts are used. That code worked but always felt a little hacky because we ended up disabling low power as a side effect of the first enable_sdio_irq() call. That wouldn't be so bad except that disabling low power involves a complicated process of writing to the CMD/CMDARG registers and that extra process makes it difficult to cleanly the read-modify-write race in dw_mci_enable_sdio_irq() (see future patch in the series). Change the code to take advantage of the init_card() callback of the mmc core to do this right at bootup. Signed-off-by: NDoug Anderson <dianders@chromium.org> Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>
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