With of-platdata we need to create drivers for particular chips, or at least drivers that are separate from the standard code, since C structures are created by dtoc which are private to that driver.
To avoid duplicating the probing code, export this probe function for use by these drivers.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None
drivers/mtd/spi/sf_probe.c | 2 +- include/spi_flash.h | 12 ++++++++++++ 2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index f051e473ff..72b6ee702d 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -137,7 +137,7 @@ static int spi_flash_std_get_sw_write_prot(struct udevice *dev) return spi_flash_cmd_get_sw_write_prot(flash); }
-static int spi_flash_std_probe(struct udevice *dev) +int spi_flash_std_probe(struct udevice *dev) { struct spi_slave *slave = dev_get_parent_priv(dev); struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev); diff --git a/include/spi_flash.h b/include/spi_flash.h index 55b4721813..0b23f57a71 100644 --- a/include/spi_flash.h +++ b/include/spi_flash.h @@ -102,6 +102,18 @@ int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len); */ int spl_flash_get_sw_write_prot(struct udevice *dev);
+/** + * spi_flash_std_probe() - Probe a SPI flash device + * + * This is the standard internal method for probing a SPI flash device to + * determine its type. It can be used in chip-specific drivers which need to + * do this, typically with of-platdata + * + * @dev: SPI-flash device to probe + * @return 0 if OK, -ve on error + */ +int spi_flash_std_probe(struct udevice *dev); + int spi_flash_probe_bus_cs(unsigned int busnum, unsigned int cs, unsigned int max_hz, unsigned int spi_mode, struct udevice **devp);