From: Bastian Hecht <hechtb@googlemail.com>
To: linux-mtd@lists.infradead.org, linux-sh@vger.kernel.org
Cc: Bastian Hecht <hechtb@gmail.com>,
magnus.damm@gmail.com, laurent.pinchart@ideasonboard.com
Subject: [PATCH 2/7] mtd: sh_flctl: Reorder empty_fifo() calls
Date: Wed, 08 Feb 2012 12:16:46 +0000 [thread overview]
Message-ID: <1328703411-3452-2-git-send-email-hechtb@gmail.com> (raw)
In-Reply-To: <1328703411-3452-1-git-send-email-hechtb@gmail.com>
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>
---
drivers/mtd/nand/sh_flctl.c | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
index 93b1f74..8c97367 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);
@@ -560,7 +558,6 @@ 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);
@@ -654,6 +651,7 @@ 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);
--
1.7.5.4
next prev parent reply other threads:[~2012-02-08 12:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-08 12:16 [PATCH 1/7] mtd: sh_flctl: Update FLCMNCR register bit field Bastian Hecht
2012-02-08 12:16 ` Bastian Hecht [this message]
2012-02-08 12:16 ` [PATCH 3/7] mtd: sh_flctl: Expand the READID command to 8 bytes Bastian Hecht
2012-02-08 12:16 ` [PATCH 4/7] mtd: sh_flctl: Implement NAND_CMD_RNDOUT command Bastian Hecht
2012-02-08 12:16 ` [PATCH 5/7] mtd: sh_flctl: Add FLHOLDCR register Bastian Hecht
2012-02-08 12:16 ` [PATCH 6/7] mtd: sh_flctl: Add power management support Bastian Hecht
2012-02-08 12:16 ` [PATCH 7/7] ARM: mach-shmobile: mackerel: Add the flash controller flctl Bastian Hecht
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