[PATCH v4 2/3] mmc: tmio: Add a definition for default max_segs

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This patch adds a definition for default max_segs to be used by other
driver (renesas_sdhi) in the future.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
 drivers/mmc/host/tmio_mmc.h      | 1 +
 drivers/mmc/host/tmio_mmc_core.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index c5ba13f..9e387be 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -106,6 +106,7 @@
 #define TMIO_MASK_IRQ     (TMIO_MASK_READOP | TMIO_MASK_WRITEOP | TMIO_MASK_CMD)
 
 #define TMIO_MAX_BLK_SIZE 512
+#define TMIO_DEFAULT_MAX_SEGS 32
 
 struct tmio_mmc_data;
 struct tmio_mmc_host;
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index c9f6a59..af1343e 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -1185,7 +1185,7 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
 
 	mmc->caps |= MMC_CAP_4_BIT_DATA | pdata->capabilities;
 	mmc->caps2 |= pdata->capabilities2;
-	mmc->max_segs = pdata->max_segs ? : 32;
+	mmc->max_segs = pdata->max_segs ? : TMIO_DEFAULT_MAX_SEGS;
 	mmc->max_blk_size = TMIO_MAX_BLK_SIZE;
 	mmc->max_blk_count = pdata->max_blk_count ? :
 		(PAGE_SIZE / mmc->max_blk_size) * mmc->max_segs;
-- 
2.7.4




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