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sf: fix sf probe 

This patch fixes the "sf probe" command. The very first SPI flash probe
passes, for instance when u-boot tries to read its environment settings
from a (Q)SPI memory but next "sf probe" commands fail because the flash
memory node is unbound from the SPI controller children nodes.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Stefan Roese <sr@denx.de>
Tested-by: Hannes Schmelzer <oe5hpm@oevsv.at>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Cyrille Pitchen 2016-08-17 15:19:39 +08:00 committed by Tom Rini
parent 9dd1d0aa4e
commit d6e9141fc2
1 changed files with 0 additions and 1 deletions
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cmd/sf.c
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@ -125,7 +125,6 @@ static int do_spi_flash_probe(int argc, char * const argv[])
ret = spi_find_bus_and_cs(bus, cs, &bus_dev, &new); ret = spi_find_bus_and_cs(bus, cs, &bus_dev, &new);
if (!ret) { if (!ret) {
device_remove(new); device_remove(new);
device_unbind(new);
} }
flash = NULL; flash = NULL;
ret = spi_flash_probe_bus_cs(bus, cs, speed, mode, &new); ret = spi_flash_probe_bus_cs(bus, cs, speed, mode, &new);