On 27.08.2017 04:22, Bin Meng wrote:
The atomic preop register can only be written when SPI settings are
not locked, otherwise it's read-only.
Signed-off-by: Bin Meng <bmeng...@gmail.com>
---
drivers/spi/ich.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index 5a3d690..22fc83d 100644
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -563,7 +563,8 @@ static int ich_spi_xfer(struct udevice *dev, unsigned int
bitlen,
}
/* Clear atomic preop now that xfer is done */
- ich_writew(ctlr, 0, ctlr->preop);
+ if (!lock)
+ ich_writew(ctlr, 0, ctlr->preop);
return 0;
}
Reviewed-by: Stefan Roese <s...@denx.de>
Thanks,
Stefan
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
