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sf: stmicro: drop redundant id read

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The common SPI flash code reads the idcode and passes it down to the SPI
flash driver, so there is no need to read it again ourselves.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
CC: Jason McMullan <mcmullan@netapp.com>
CC: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
This commit is contained in:
Mike Frysinger 2009-03-27 16:34:21 -04:00
parent 1c5874374e
commit 9726ba4aba
1 changed files with 1 additions and 7 deletions
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8
drivers/mtd/spi/stmicro.c
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@ -315,12 +315,6 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
const struct stmicro_spi_flash_params *params; const struct stmicro_spi_flash_params *params;
struct stmicro_spi_flash *stm; struct stmicro_spi_flash *stm;
unsigned int i; 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++) { for (i = 0; i < ARRAY_SIZE(stmicro_spi_flash_table); i++) {
params = &stmicro_spi_flash_table[i]; params = &stmicro_spi_flash_table[i];
@ -330,7 +324,7 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
} }
if (i == ARRAY_SIZE(stmicro_spi_flash_table)) { 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; return NULL;
} }