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path: root/drivers/mtd/spi/stmicro.c
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Diffstat (limited to 'drivers/mtd/spi/stmicro.c')
-rw-r--r--drivers/mtd/spi/stmicro.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/mtd/spi/stmicro.c b/drivers/mtd/spi/stmicro.c
index e7dda91..9b910c1 100644
--- a/drivers/mtd/spi/stmicro.c
+++ b/drivers/mtd/spi/stmicro.c
@@ -133,12 +133,12 @@ static int stmicro_wait_ready(struct spi_flash *flash, unsigned long timeout)
struct spi_slave *spi = flash->spi;
unsigned long timebase;
int ret;
+ u8 cmd = CMD_M25PXX_RDSR;
u8 status;
- u8 cmd[4] = { CMD_M25PXX_RDSR, 0xff, 0xff, 0xff };
- ret = spi_xfer(spi, 32, &cmd[0], NULL, SPI_XFER_BEGIN);
+ ret = spi_xfer(spi, 8, &cmd, NULL, SPI_XFER_BEGIN);
if (ret) {
- debug("SF: Failed to send command %02x: %d\n", cmd[0], ret);
+ debug("SF: Failed to send command %02x: %d\n", cmd, ret);
return ret;
}
@@ -295,8 +295,7 @@ int stmicro_erase(struct spi_flash *flash, u32 offset, size_t len)
break;
}
- /* Up to 2 seconds */
- ret = stmicro_wait_ready(flash, 2 * CONFIG_SYS_HZ);
+ ret = stmicro_wait_ready(flash, SPI_FLASH_PAGE_ERASE_TIMEOUT);
if (ret < 0) {
debug("SF: STMicro page erase timed out\n");
break;
@@ -315,12 +314,6 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
const struct stmicro_spi_flash_params *params;
struct stmicro_spi_flash *stm;
unsigned int i;
- int ret;
- u8 id[3];
-
- ret = spi_flash_cmd(spi, CMD_READ_ID, id, sizeof(id));
- if (ret)
- return NULL;
for (i = 0; i < ARRAY_SIZE(stmicro_spi_flash_table); i++) {
params = &stmicro_spi_flash_table[i];
@@ -330,7 +323,7 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
}
if (i == ARRAY_SIZE(stmicro_spi_flash_table)) {
- debug("SF: Unsupported STMicro ID %02x\n", id[1]);
+ debug("SF: Unsupported STMicro ID %02x\n", idcode[1]);
return NULL;
}