diff options
Diffstat (limited to 'drivers/mtd/spi/eeprom_m95xxx.c')
| -rw-r--r-- | drivers/mtd/spi/eeprom_m95xxx.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mtd/spi/eeprom_m95xxx.c b/drivers/mtd/spi/eeprom_m95xxx.c index 0148d00..632db4e 100644 --- a/drivers/mtd/spi/eeprom_m95xxx.c +++ b/drivers/mtd/spi/eeprom_m95xxx.c @@ -44,6 +44,9 @@ ssize_t spi_read (uchar *addr, int alen, uchar *buffer, int len) slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000, CONFIG_DEFAULT_SPI_MODE); + if(!slave) + return 0; + spi_claim_bus(slave); /* command */ @@ -75,6 +78,9 @@ ssize_t spi_write (uchar *addr, int alen, uchar *buffer, int len) slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000, CONFIG_DEFAULT_SPI_MODE); + if (!slave) + return 0; + spi_claim_bus(slave); buf[0] = SPI_EEPROM_WREN; |