sf: unify write enable commands
Every spi flash uses the same write enable command, so unify this in
the common code.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/drivers/mtd/spi/eon.c b/drivers/mtd/spi/eon.c
index e3de3aa..6826708 100644
--- a/drivers/mtd/spi/eon.c
+++ b/drivers/mtd/spi/eon.c
@@ -91,7 +91,7 @@
("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;
diff --git a/drivers/mtd/spi/macronix.c b/drivers/mtd/spi/macronix.c
index ff66f2a..8dacefe 100644
--- a/drivers/mtd/spi/macronix.c
+++ b/drivers/mtd/spi/macronix.c
@@ -147,7 +147,7 @@
("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;
diff --git a/drivers/mtd/spi/ramtron.c b/drivers/mtd/spi/ramtron.c
index 078d16c..27d4039 100644
--- a/drivers/mtd/spi/ramtron.c
+++ b/drivers/mtd/spi/ramtron.c
@@ -198,7 +198,7 @@
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;
diff --git a/drivers/mtd/spi/spansion.c b/drivers/mtd/spi/spansion.c
index a3401b3..fa4cca1 100644
--- a/drivers/mtd/spi/spansion.c
+++ b/drivers/mtd/spi/spansion.c
@@ -168,7 +168,7 @@
("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;
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index 016b586..3e0d02d 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -163,7 +163,7 @@
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;
diff --git a/drivers/mtd/spi/spi_flash_internal.h b/drivers/mtd/spi/spi_flash_internal.h
index fc109ce..6665bed 100644
--- a/drivers/mtd/spi/spi_flash_internal.h
+++ b/drivers/mtd/spi/spi_flash_internal.h
@@ -46,6 +46,14 @@
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.
*/
diff --git a/drivers/mtd/spi/sst.c b/drivers/mtd/spi/sst.c
index 4dc2db2..6691c1d 100644
--- a/drivers/mtd/spi/sst.c
+++ b/drivers/mtd/spi/sst.c
@@ -96,7 +96,7 @@
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;
diff --git a/drivers/mtd/spi/stmicro.c b/drivers/mtd/spi/stmicro.c
index a1959ca..80d97b4 100644
--- a/drivers/mtd/spi/stmicro.c
+++ b/drivers/mtd/spi/stmicro.c
@@ -169,7 +169,7 @@
("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;
diff --git a/drivers/mtd/spi/winbond.c b/drivers/mtd/spi/winbond.c
index e8d30ae..10fabf5 100644
--- a/drivers/mtd/spi/winbond.c
+++ b/drivers/mtd/spi/winbond.c
@@ -140,7 +140,7 @@
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;