projects
/
linux-2.6-microblaze.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
| inline |
side by side
spi: uniphier: fix zero-length transfer
[linux-2.6-microblaze.git]
/
drivers
/
spi
/
spi-uniphier.c
diff --git
a/drivers/spi/spi-uniphier.c
b/drivers/spi/spi-uniphier.c
index
c3c35c0
..
b32c77d
100644
(file)
--- a/
drivers/spi/spi-uniphier.c
+++ b/
drivers/spi/spi-uniphier.c
@@
-331,6
+331,10
@@
static int uniphier_spi_transfer_one(struct spi_master *master,
struct device *dev = master->dev.parent;
unsigned long time_left;
+ /* Terminate and return success for 0 byte length transfer */
+ if (!t->len)
+ return 0;
+
uniphier_spi_setup_transfer(spi, t);
reinit_completion(&priv->xfer_done);