mmc: dw_mmc: add support for the other bit of sdio interrupt

The bit of sdio interrupt is 16 in designware implementation,
but it is 24 on Rockchip SoCs.This patch add sdio_id0 for the
number of slot0 in the SDIO interrupt registers.

Signed-off-by: Addy Ke <addy.ke@rock-chips.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index 0a551152d600..42b724e8d503 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -97,6 +97,7 @@ struct mmc_data;
  * @quirks: Set of quirks that apply to specific versions of the IP.
  * @irq_flags: The flags to be passed to request_irq.
  * @irq: The irq value to be passed to request_irq.
+ * @sdio_id0: Number of slot0 in the SDIO interrupt registers.
  *
  * Locking
  * =======
@@ -193,6 +194,8 @@ struct dw_mci {
         bool                    vqmmc_enabled;
         unsigned long           irq_flags; /* IRQ flags */
         int                     irq;
+
+        int                     sdio_id0;
 };
 
 /* DMA ops for Internal/External DMAC interface */