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sf: unify write enable commands

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Every spi flash uses the same write enable command, so unify this in
the common code.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2011-04-23 23:05:55 +00:00 committed by Wolfgang Denk
parent d8e392d95f
commit 2744a4e688
9 changed files with 16 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/mtd/spi/eon.c
View File

@ -91,7 +91,7 @@ static int eon_write(struct spi_flash *flash,
("PP: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %d\n",
buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);
ret = spi_flash_cmd(flash->spi, CMD_EN25Q128_WREN, NULL, 0);
ret = spi_flash_cmd_write_enable(flash);
if (ret < 0) {
debug("SF: Enabling Write failed\n");
break;

2
drivers/mtd/spi/macronix.c
View File

@ -147,7 +147,7 @@ static int macronix_write(struct spi_flash *flash,
("PP: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %d\n",
buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);
ret = spi_flash_cmd(flash->spi, CMD_MX25XX_WREN, NULL, 0);
ret = spi_flash_cmd_write_enable(flash);
if (ret < 0) {
debug("SF: Enabling Write failed\n");
break;

2
drivers/mtd/spi/ramtron.c
View File

@ -198,7 +198,7 @@ static int ramtron_common(struct spi_flash *flash,
if (command == CMD_RAMTRON_WRITE) {
/* send WREN */
ret = spi_flash_cmd(flash->spi, CMD_RAMTRON_WREN, NULL, 0);
ret = spi_flash_cmd_write_enable(flash);
if (ret < 0) {
debug("SF: Enabling Write failed\n");
goto releasebus;

2
drivers/mtd/spi/spansion.c
View File

@ -168,7 +168,7 @@ static int spansion_write(struct spi_flash *flash,
("PP: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %d\n",
buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);
ret = spi_flash_cmd(flash->spi, CMD_S25FLXX_WREN, NULL, 0);
ret = spi_flash_cmd_write_enable(flash);
if (ret < 0) {
debug("SF: Enabling Write failed\n");
break;

2
drivers/mtd/spi/spi_flash.c
View File

@ -163,7 +163,7 @@ int spi_flash_cmd_erase(struct spi_flash *flash, u8 erase_cmd,
debug("SF: erase %2x %2x %2x %2x (%x)\n", cmd[0], cmd[1],
cmd[2], cmd[3], offset);
ret = spi_flash_cmd(flash->spi, CMD_WRITE_ENABLE, NULL, 0);
ret = spi_flash_cmd_write_enable(flash);
if (ret)
goto out;

8
drivers/mtd/spi/spi_flash_internal.h
View File

@ -45,6 +45,14 @@ int spi_flash_cmd_read_fast(struct spi_flash *flash, u32 offset,
int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,
const void *data, size_t data_len);
/*
* Enable writing on the SPI flash.
*/
static inline int spi_flash_cmd_write_enable(struct spi_flash *flash)
{
return spi_flash_cmd(flash->spi, CMD_WRITE_ENABLE, NULL, 0);
}
/*
* Same as spi_flash_cmd_read() except it also claims/releases the SPI
* bus. Used as common part of the ->read() operation.

2
drivers/mtd/spi/sst.c
View File

@ -96,7 +96,7 @@ static const struct sst_spi_flash_params sst_spi_flash_table[] = {
static int
sst_enable_writing(struct spi_flash *flash)
{
int ret = spi_flash_cmd(flash->spi, CMD_SST_WREN, NULL, 0);
int ret = spi_flash_cmd_write_enable(flash);
if (ret)
debug("SF: Enabling Write failed\n");
return ret;

2
drivers/mtd/spi/stmicro.c
View File

@ -169,7 +169,7 @@ static int stmicro_write(struct spi_flash *flash,
("PP: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %d\n",
buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);
ret = spi_flash_cmd(flash->spi, CMD_M25PXX_WREN, NULL, 0);
ret = spi_flash_cmd_write_enable(flash);
if (ret < 0) {
debug("SF: Enabling Write failed\n");
break;

2
drivers/mtd/spi/winbond.c
View File

@ -140,7 +140,7 @@ static int winbond_write(struct spi_flash *flash,
buf + actual,
cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);
ret = spi_flash_cmd(flash->spi, CMD_W25_WREN, NULL, 0);
ret = spi_flash_cmd_write_enable(flash);
if (ret < 0) {
debug("SF: Enabling Write failed\n");
goto out;