diff options
Diffstat (limited to 'src/include/spi_flash.h')
| -rw-r--r-- | src/include/spi_flash.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/src/include/spi_flash.h b/src/include/spi_flash.h index a72a13e0f8..3b18717a86 100644 --- a/src/include/spi_flash.h +++ b/src/include/spi_flash.h @@ -50,14 +50,36 @@ struct spi_flash { void lb_spi_flash(struct lb_header *header); /* SPI Flash Driver Public API */ -struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs); + +/* + * Probe for SPI flash chip on given SPI bus and chip select and fill info in + * spi_flash structure. + * + * Params: + * bus = SPI Bus # for the flash chip + * cs = Chip select # for the flash chip + * flash = Pointer to spi flash structure that needs to be filled + * + * Return value: + * 0 = success + * non-zero = error + */ +int spi_flash_probe(unsigned int bus, unsigned int cs, struct spi_flash *flash); /* * Specialized probing performed by platform. This is a weak function which can * be overriden by platform driver. + * + * Params: * spi = Pointer to spi_slave structure. * force = Indicates if the platform driver can skip specialized probing. + * flash = Pointer to spi_flash structure that needs to be filled. + * + * Return value: + * 0 = success + * non-zero = error */ -struct spi_flash *spi_flash_programmer_probe(struct spi_slave *spi, int force); +int spi_flash_programmer_probe(struct spi_slave *spi, int force, + struct spi_flash *flash); /* All the following functions return 0 on success and non-zero on error. */ int spi_flash_read(const struct spi_flash *flash, u32 offset, size_t len, |