[U-Boot] [PATCH v7 04/21] sf: Cleanup spi_flash_info{}

Jagan Teki jagan at openedev.com
Fri Nov 18 06:31:05 CET 2016


- Proper tabs spaces
- Removed unnecessary
- Add comments in spi_flash_info members
- Add comments for spi_flash_info.flags

Cc: Simon Glass <sjg at chromium.org>
Cc: Bin Meng <bmeng.cn at gmail.com>
Cc: York Sun <york.sun at nxp.com>
Cc: Vignesh R <vigneshr at ti.com>
Cc: Mugunthan V N <mugunthanvnm at ti.com>
Cc: Michal Simek <michal.simek at xilinx.com>
Signed-off-by: Jagan Teki <jagan at openedev.com>
Reviewed-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
Reviewed-by: Jagan Teki <jagan at openedev.com>
---
Changes for v7:
- Add comments for spi_flash_info.flags

 drivers/mtd/spi/sf_internal.h | 44 ++++++++++++++++++++-----------------------
 1 file changed, 20 insertions(+), 24 deletions(-)

diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index a9455ac..bbc08f6 100644
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -108,17 +108,9 @@ int sst_write_bp(struct spi_flash *flash, u32 offset, size_t len,
 #define JEDEC_ID(info)		(((info)->id[1]) << 8 | ((info)->id[2]))
 #define JEDEC_EXT(info)		(((info)->id[3]) << 8 | ((info)->id[4]))
 
-/**
- * struct spi_flash_info - SPI/QSPI flash device params structure
- *
- * @name:		Device name ([MANUFLETTER][DEVTYPE][DENSITY][EXTRAINFO])
- * @sector_size:	Isn't necessarily a sector size from vendor,
- *			the size listed here is what works with CMD_ERASE_64K
- * @nr_sectors:		No.of sectors on this device
- * @flags:		Important param, for flash specific behaviour
- */
 struct spi_flash_info {
-	const char *name;
+	/* Device name ([MANUFLETTER][DEVTYPE][DENSITY][EXTRAINFO]) */
+	const char	*name;
 
 	/*
 	 * This array stores the ID bytes.
@@ -128,20 +120,24 @@ struct spi_flash_info {
 	u8		id[5];
 	u8		id_len;
 
-	u32 sector_size;
-	u32 nr_sectors;
-
-	u16 page_size;
-
-	u16 flags;
-#define SECT_4K			BIT(0)
-#define E_FSR			BIT(1)
-#define SST_WR			BIT(2)
-#define WR_QPP			BIT(3)
-#define RD_QUAD			BIT(4)
-#define RD_DUAL			BIT(5)
-#define RD_QUADIO		BIT(6)
-#define RD_DUALIO		BIT(7)
+	/*
+	 * The size listed here is what works with SPINOR_OP_SE, which isn't
+	 * necessarily called a "sector" by the vendor.
+	 */
+	u32		sector_size;
+	u32		nr_sectors;
+
+	u16		page_size;
+
+	u16		flags;
+#define SECT_4K			BIT(0)	/* CMD_ERASE_4K works uniformly */
+#define E_FSR			BIT(1)	/* use flag status register for */
+#define SST_WR			BIT(2)	/* use SST byte/word programming */
+#define WR_QPP			BIT(3)	/* use Quad Page Program */
+#define RD_QUAD			BIT(4)	/* use Quad Read */
+#define RD_DUAL			BIT(5)	/* use Dual Read */
+#define RD_QUADIO		BIT(6)	/* use Quad IO Read */
+#define RD_DUALIO		BIT(7)	/* use Dual IO Read */
 #define RD_FULL			(RD_QUAD | RD_DUAL | RD_QUADIO | RD_DUALIO)
 };
 
-- 
1.9.1



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