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From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: ulf.hansson@linaro.org, wsa+renesas@sang-engineering.com
Cc: linux-mmc@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Subject: [PATCH v4 2/3] mmc: tmio: Add a definition for default max_segs
Date: Fri, 31 May 2019 20:16:10 +0900	[thread overview]
Message-ID: <1559301371-21200-3-git-send-email-yoshihiro.shimoda.uh@renesas.com> (raw)
In-Reply-To: <1559301371-21200-1-git-send-email-yoshihiro.shimoda.uh@renesas.com>

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@renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
 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


  parent reply	other threads:[~2019-05-31 11:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-31 11:16 [PATCH v4 0/3] mmc: renesas_sdhi: improve performance by changing max_segs Yoshihiro Shimoda
2019-05-31 11:16 ` [PATCH v4 1/3] mmc: tmio: No memory size limitation if runs on IOMMU Yoshihiro Shimoda
2019-05-31 11:16 ` Yoshihiro Shimoda [this message]
2019-05-31 11:16 ` [PATCH v4 3/3] mmc: renesas_sdhi: use multiple segments if possible Yoshihiro Shimoda
2019-06-03 12:57 ` [PATCH v4 0/3] mmc: renesas_sdhi: improve performance by changing max_segs Wolfram Sang
2019-06-03 13:11   ` Christoph Hellwig
2019-06-04  1:27     ` Yoshihiro Shimoda

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