From: Diwakar Sharma <diwakar.sharma@xxxxxxxxxxxx> 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@xxxxxxxxxxxx> Signed-off-by: Harish Jenny K N <harish_kandiga@xxxxxxxxxx> --- drivers/mmc/core/quirks.h | 3 +++ include/linux/mmc/sdio_ids.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h index 5153577..dd2f73a 100644 --- a/drivers/mmc/core/quirks.h +++ b/drivers/mmc/core/quirks.h @@ -132,6 +132,9 @@ 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 }; diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h index cdd66a5..2836a96 100644 --- a/include/linux/mmc/sdio_ids.h +++ b/include/linux/mmc/sdio_ids.h @@ -55,6 +55,7 @@ #define SDIO_DEVICE_ID_MARVELL_8688WLAN 0x9104 #define SDIO_DEVICE_ID_MARVELL_8688BT 0x9105 #define SDIO_DEVICE_ID_MARVELL_8797_F0 0x9128 +#define SDIO_DEVICE_ID_MARVELL_8887WLAN 0x9134 #define SDIO_VENDOR_ID_SIANO 0x039a #define SDIO_DEVICE_ID_SIANO_NOVA_B0 0x0201 -- 1.9.1 -- 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
