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authorDiwakar Sharma <diwakar.sharma@in.bosch.com>2018-04-10 12:30:32 +0530
committerUlf Hansson <ulf.hansson@linaro.org>2018-05-02 15:08:39 +0200
commit8ccd66f258cd79420102f3735b3bc8d974a22088 (patch)
tree7a2ead5f46c966df92c918463a51c28546f05e71 /drivers/mmc
parentebc5a1bf4f2afc2f2b348320dcfb45a8c0ac3de5 (diff)
mmc: core: sdio: Set SDIO clock of SDR104 to 150MHz for Marvell 8887 chip
This patch uses limit clock rate quirk to reduce clock rate for "SDR104" mode on IMX side for Marvell 8887 WiFi + Bluetooth chip side, as Marvell does not recommend to use SDIO at the speed of higher than 150MHz. Signed-off-by: Diwakar Sharma <diwakar.sharma@in.bosch.com> Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/quirks.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index 5153577754f0..dd2f73af8f2c 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -132,6 +132,9 @@ static const struct mmc_fixup sdio_fixup_methods[] = {
SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_F0,
add_quirk, MMC_QUIRK_BROKEN_IRQ_POLLING),
+ SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887WLAN,
+ add_limit_rate_quirk, 150000000),
+
END_FIXUP
};