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 <s...@chromium.org>
Reviewed-by: Bin Meng <bmeng...@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);
--
2.24.0.432.g9d3f5f5b63-goog
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