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authorBastian Hecht <hechtb@googlemail.com>2012-03-01 13:48:36 +0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-03-27 03:42:37 +0400
commitabb59ef3fa7d9b19a193f7f69f9d5746c7dfeec9 (patch)
treeee093edf4ca1e6992a59499bd1f4714976e2c79a /drivers/mtd
parentb6a5588b27f21d74ae35709b56e969d536f1eed0 (diff)
downloadlinux-abb59ef3fa7d9b19a193f7f69f9d5746c7dfeec9.tar.xz
mtd: sh_flctl: Reorder empty_fifo() calls
Reorders the calls to make it a bit shorter and match the calling procedure displayed in the datasheet. Signed-off-by: Bastian Hecht <hechtb@gmail.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/sh_flctl.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
index 93b1f74321c2..9291066419e1 100644
--- a/drivers/mtd/nand/sh_flctl.c
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -525,7 +525,6 @@ static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command,
execmd_read_page_sector(mtd, page_addr);
break;
}
- empty_fifo(flctl);
if (flctl->page_size)
set_cmd_regs(mtd, command, (NAND_CMD_READSTART << 8)
| command);
@@ -547,7 +546,6 @@ static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command,
break;
}
- empty_fifo(flctl);
if (flctl->page_size) {
set_cmd_regs(mtd, command, (NAND_CMD_READSTART << 8)
| NAND_CMD_READ0);
@@ -560,12 +558,12 @@ static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command,
goto read_normal_exit;
case NAND_CMD_READID:
- empty_fifo(flctl);
set_cmd_regs(mtd, command, command);
set_addr(mtd, 0, 0);
flctl->read_bytes = 4;
writel(flctl->read_bytes, FLDTCNTR(flctl)); /* set read size */
+ empty_fifo(flctl);
start_translation(flctl);
read_datareg(flctl, 0); /* read and end */
break;
@@ -654,6 +652,7 @@ static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command,
read_normal_exit:
writel(flctl->read_bytes, FLDTCNTR(flctl)); /* set read size */
+ empty_fifo(flctl);
start_translation(flctl);
read_fiforeg(flctl, flctl->read_bytes, 0);
wait_completion(flctl);