mtd: nand: omap: Switch to using GPMC-NAND ops for writebuffer empty check

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>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>

1 files changed, 4 insertions, 6 deletions

diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index cba9bf0adba1..98023d5bfc35 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -291,14 +291,13 @@ static void omap_write_buf8(struct mtd_info *mtd, const u_char *buf, int len)
 {
         struct omap_nand_info *info = mtd_to_omap(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);
         }
 }
@@ -326,7 +325,7 @@ static void omap_write_buf16(struct mtd_info *mtd, const u_char * buf, int len)
 {
         struct omap_nand_info *info = mtd_to_omap(mtd);
         u16 *p = (u16 *) buf;
-        u32     status = 0;
+        bool status;
         /* FIXME try bursts of writesw() or DMA ... */
         len >>= 1;
 
@@ -334,8 +333,7 @@ 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);
         }
 }