[PATCH v3 4/6] mmc: sdhci-s3c: derive transfer width host capability from max_width in platform data

2012-01-31 Thread Thomas Abraham 
max_width member in platform data can be used to derive the mmc bus transfer
width that can be supported by the controller.

Signed-off-by: Thomas Abraham thomas.abra...@linaro.org
---
 drivers/mmc/host/sdhci-s3c.c |8 
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index e1b685d..a57d7a0 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -562,6 +562,14 @@ static int __devinit sdhci_s3c_probe(struct 
platform_device *pdev)
if (pdata-cd_type == S3C_SDHCI_CD_PERMANENT)
host-mmc-caps = MMC_CAP_NONREMOVABLE;
 
+   switch (pdata-max_width) {
+   case 8:
+   host-mmc-caps |= MMC_CAP_8_BIT_DATA;
+   case 4:
+   host-mmc-caps |= MMC_CAP_4_BIT_DATA;
+   break;
+   }
+
if (pdata-host_caps)
host-mmc-caps |= pdata-host_caps;
 
-- 
1.6.6.rc2

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Re: [PATCH v3 4/6] mmc: sdhci-s3c: derive transfer width host capability from max_width in platform data

2012-01-31 Thread Sergei Shtylyov 

Hello.

On 01/31/2012 08:56 PM, Thomas Abraham wrote:


max_width member in platform data can be used to derive the mmc bus transfer
width that can be supported by the controller.



Signed-off-by: Thomas Abrahamthomas.abra...@linaro.org
---
  drivers/mmc/host/sdhci-s3c.c |8 
  1 files changed, 8 insertions(+), 0 deletions(-)



diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index e1b685d..a57d7a0 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -562,6 +562,14 @@ static int __devinit sdhci_s3c_probe(struct 
platform_device *pdev)
if (pdata-cd_type == S3C_SDHCI_CD_PERMANENT)
host-mmc-caps = MMC_CAP_NONREMOVABLE;

+   switch (pdata-max_width) {
+   case 8:
+   host-mmc-caps |= MMC_CAP_8_BIT_DATA;


   A comment like /* FALL THRU */ is needed here.


+   case 4:
+   host-mmc-caps |= MMC_CAP_4_BIT_DATA;
+   break;
+   }
+


WBR, Sergei

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