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Subject[PATCH v3 06/27] mtd: nand: omap2: Switch to using GPMC-NAND ops for writebuffer empty check
Date
Instead of accessing the gpmc_status register directly start
using the gpmc_nand_ops->nand_writebuffer_empty() helper
to check write buffer empty status.

Signed-off-by: Roger Quadros <rogerq@ti.com>
---
drivers/mtd/nand/omap2.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index f214fe2..0eb0b8c 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -289,14 +289,13 @@ static void omap_write_buf8(struct mtd_info *mtd, const u_char *buf, int len)
struct omap_nand_info *info = container_of(mtd,
struct omap_nand_info, mtd);
u_char *p = (u_char *)buf;
- u32 status = 0;
+ bool status;

while (len--) {
iowrite8(*p++, info->nand.IO_ADDR_W);
/* wait until buffer is available for write */
do {
- status = readl(info->reg.gpmc_status) &
- STATUS_BUFF_EMPTY;
+ status = info->ops->nand_writebuffer_empty();
} while (!status);
}
}
@@ -325,7 +324,7 @@ static void omap_write_buf16(struct mtd_info *mtd, const u_char * buf, int len)
struct omap_nand_info *info = container_of(mtd,
struct omap_nand_info, mtd);
u16 *p = (u16 *) buf;
- u32 status = 0;
+ bool status;
/* FIXME try bursts of writesw() or DMA ... */
len >>= 1;

@@ -333,8 +332,7 @@ static void omap_write_buf16(struct mtd_info *mtd, const u_char * buf, int len)
iowrite16(*p++, info->nand.IO_ADDR_W);
/* wait until buffer is available for write */
do {
- status = readl(info->reg.gpmc_status) &
- STATUS_BUFF_EMPTY;
+ status = info->ops->nand_writebuffer_empty();
} while (!status);
}
}
--
2.1.4


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