All of lore.kernel.org
 help / color / mirror / Atom feed
* [U-Boot] [PATCH 5/9] mmc: remove the unnecessary define and fix the wrong bit control
@ 2014-03-27  8:54 Jaehoon Chung
  0 siblings, 0 replies; only message in thread
From: Jaehoon Chung @ 2014-03-27  8:54 UTC (permalink / raw)
  To: u-boot

It's not using anywhere. So it removed the unnecessary define.
And modified the bit operation for more readable.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---
 drivers/mmc/mmc.c |    2 +-
 include/mmc.h     |   18 ++++++------------
 2 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 8ab0bc9..bac07c2 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -518,7 +518,7 @@ static int mmc_change_freq(struct mmc *mmc)
 		return 0;
 
 	/* High Speed is set, there are two types: 52MHz and 26MHz */
-	if (cardtype & MMC_HS_52MHZ)
+	if (cardtype & EXT_CSD_CARD_TYPE_52)
 		mmc->card_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
 	else
 		mmc->card_caps |= MMC_MODE_HS;
diff --git a/include/mmc.h b/include/mmc.h
index b65ad9e..6725ac8 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -31,15 +31,12 @@
 #define MMC_VERSION_4_41	(MMC_VERSION_MMC | 0x429)
 #define MMC_VERSION_4_5		(MMC_VERSION_MMC | 0x405)
 
-#define MMC_MODE_HS		0x001
-#define MMC_MODE_HS_52MHz	0x010
-#define MMC_MODE_4BIT		0x100
-#define MMC_MODE_8BIT		0x200
-#define MMC_MODE_SPI		0x400
-#define MMC_MODE_HC		0x800
-
-#define MMC_MODE_MASK_WIDTH_BITS (MMC_MODE_4BIT | MMC_MODE_8BIT)
-#define MMC_MODE_WIDTH_BITS_SHIFT 8
+#define MMC_MODE_HS		(1 << 0)
+#define MMC_MODE_HS_52MHz	(1 << 1)
+#define MMC_MODE_4BIT		(1 << 2)
+#define MMC_MODE_8BIT		(1 << 3)
+#define MMC_MODE_SPI		(1 << 4)
+#define MMC_MODE_HC		(1 << 5)
 
 #define SD_DATA_4BIT	0x00040000
 
@@ -97,9 +94,6 @@
 #define SD_HIGHSPEED_BUSY	0x00020000
 #define SD_HIGHSPEED_SUPPORTED	0x00020000
 
-#define MMC_HS_TIMING		0x00000100
-#define MMC_HS_52MHZ		0x2
-
 #define OCR_BUSY		0x80000000
 #define OCR_HCS			0x40000000
 #define OCR_VOLTAGE_MASK	0x007FFF80
-- 
1.7.9.5

^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2014-03-27  8:54 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-03-27  8:54 [U-Boot] [PATCH 5/9] mmc: remove the unnecessary define and fix the wrong bit control Jaehoon Chung

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.