Hi Jagan,
On 26 November 2015 at 04:03, Jagan Teki jteki@openedev.com wrote:
This patch add support to use spi_flash_scan in dm-spi-flash probe, so-that it can access the spi_flash functionalities same as non-dm sf probe.
Signed-off-by: Jagan Teki jteki@openedev.com
drivers/mtd/spi/sf_probe.c | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index f2e210d..60856f9 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -137,14 +137,36 @@ int spi_flash_std_erase(struct udevice *dev, u32 offset, size_t len)
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);
struct spi_slave *slave = dev_get_parent_priv(dev); struct spi_flash *flash;int ret;debug("%s: slave=%p, cs=%d\n", __func__, slave, plat->cs); flash = dev_get_uclass_priv(dev); flash->dev = dev;
debug("%s: slave=%p, cs=%d\n", __func__, slave, plat->cs);return spi_flash_probe_slave(slave, flash);
/* Claim spi bus */ret = spi_claim_bus(slave);if (ret) {debug("SF: Failed to claim SPI bus: %d\n", ret);return ret;}ret = spi_flash_scan(slave, flash);if (ret) {ret = -EINVAL;goto err_read_id;}+#ifdef CONFIG_SPI_FLASH_MTD
ret = spi_flash_mtd_register(flash);+#endif
But you can't call this from driver model code. As far as I can see the MTD layer does not support driver model. You are going to create a plate of spaghetti and it will be a big job to untangle it.
+err_read_id:
spi_release_bus(slave);return ret;}
static const struct dm_spi_flash_ops spi_flash_std_ops = {
1.9.1
Regards, Simon