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authorTzung-Bi Shih <tzungbi@kernel.org>2022-05-13 12:41:38 +0800
committerTzung-Bi Shih <tzungbi@kernel.org>2022-05-16 10:01:51 +0800
commit71d3ae7fb6404c87b498f8b7f86b8271dd74989f (patch)
tree269112af14e973dfa6a424fd8a4bbd02e2b20d81 /drivers/platform/chrome/cros_ec_proto.c
parent42701e7c0cd2a715def2dafd22f11f25ca0f5024 (diff)
downloadlinux-71d3ae7fb6404c87b498f8b7f86b8271dd74989f.tar.bz2
platform/chrome: correct cros_ec_prepare_tx() usage
cros_ec_prepare_tx() returns either: - >= 0 for number of prepared bytes. - < 0 for -errno. Correct the comment and make sure all callers check the return code. Reviewed-by: Guenter Roeck <groeck@chromium.org> Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> Link: https://lore.kernel.org/r/20220513044143.1045728-3-tzungbi@kernel.org
Diffstat (limited to 'drivers/platform/chrome/cros_ec_proto.c')
-rw-r--r--drivers/platform/chrome/cros_ec_proto.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index db1c8ba43171..2d6d3fbfa905 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -164,7 +164,7 @@ static int send_command(struct cros_ec_device *ec_dev,
* only SPI uses it. Once LPC uses the same protocol it can start using it.
* I2C could use it now, with a refactor of the existing code.
*
- * Return: 0 on success or negative error code.
+ * Return: number of prepared bytes on success or negative error code.
*/
int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
struct cros_ec_command *msg)