* [PATCH v3 1/2] arm: samsung: support the second capability for samsung-soc
@ 2012-02-06 7:52 Jaehoon Chung
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From: Jaehoon Chung @ 2012-02-06 7:52 UTC (permalink / raw)
To: linux-mmc, linux-samsung-soc
Cc: Chris Ball, Kyungmin Park, 'kgene kim', Girish K S
In mmc, there are capabilities and use the host_caps.
That capability is expressed with bit[0:31].
But now..already filled the bit[0:31]...
so we need to denote with the other capability field.
(if we want to use the cache, powerclass, etc for eMMC..this field is necessary)
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <Kyungmin.park@samsung.com>
---
Changelog v3:
- based-on latest samsung-soc's for-next tree.
Changelog v2:
- based-on samsung-soc's for-next tree.
arch/arm/plat-samsung/include/plat/sdhci.h | 2 ++
arch/arm/plat-samsung/platformdata.c | 2 ++
2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h
index f82f888..317e246 100644
--- a/arch/arm/plat-samsung/include/plat/sdhci.h
+++ b/arch/arm/plat-samsung/include/plat/sdhci.h
@@ -40,6 +40,7 @@ enum clk_types {
* struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI
* @max_width: The maximum number of data bits supported.
* @host_caps: Standard MMC host capabilities bit field.
+ * @host_caps2: The second standard MMC host capabilities bit field.
* @cd_type: Type of Card Detection method (see cd_types enum above)
* @clk_type: Type of clock divider method (see clk_types enum above)
* @ext_cd_init: Initialize external card detect subsystem. Called on
@@ -63,6 +64,7 @@ enum clk_types {
struct s3c_sdhci_platdata {
unsigned int max_width;
unsigned int host_caps;
+ unsigned int host_caps2;
unsigned int pm_caps;
enum cd_types cd_type;
enum clk_types clk_type;
diff --git a/arch/arm/plat-samsung/platformdata.c b/arch/arm/plat-samsung/platformdata.c
index 0f70718..fa78aa7 100644
--- a/arch/arm/plat-samsung/platformdata.c
+++ b/arch/arm/plat-samsung/platformdata.c
@@ -53,6 +53,8 @@ void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd,
set->cfg_gpio = pd->cfg_gpio;
if (pd->host_caps)
set->host_caps |= pd->host_caps;
+ if (pd->host_caps2)
+ set->host_caps2 |= pd->host_caps2;
if (pd->pm_caps)
set->pm_caps |= pd->pm_caps;
if (pd->clk_type)
--
1.7.4.1
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2012-02-06 7:52 [PATCH v3 1/2] arm: samsung: support the second capability for samsung-soc Jaehoon Chung
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