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authorStephen Boyd <swboyd@chromium.org>2023-10-03 03:34:28 +0300
committerTzung-Bi Shih <tzungbi@kernel.org>2023-10-04 06:40:54 +0300
commit2f3dd39e2b492bec366487a2c9bcbdbd7792f77c (patch)
tree925add8f823ee0ff3d47c9696d30d93c2ddf14af
parent14e7c01cc3494b75c3ff1d099a2f5f76b1fcb01d (diff)
downloadlinux-2f3dd39e2b492bec366487a2c9bcbdbd7792f77c.tar.xz
platform/chrome: cros_ec_proto: Mark outdata as const
The 'outdata' is copied to the data buffer in cros_ec_cmd() before being sent over to the EC. Mark the argument as const so that callers can pass const pointers to this function and so that callers know the data won't be modified. Cc: Prashant Malani <pmalani@chromium.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Acked-by: Prashant Malani <pmalani@chromium.org> Link: https://lore.kernel.org/r/20231003003429.1378109-5-swboyd@chromium.org Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
-rw-r--r--drivers/platform/chrome/cros_ec_proto.c2
-rw-r--r--include/linux/platform_data/cros_ec_proto.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index 475a6dd72db6..945b1b15a04c 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -1004,7 +1004,7 @@ EXPORT_SYMBOL_GPL(cros_ec_get_sensor_count);
int cros_ec_cmd(struct cros_ec_device *ec_dev,
unsigned int version,
int command,
- void *outdata,
+ const void *outdata,
size_t outsize,
void *indata,
size_t insize)
diff --git a/include/linux/platform_data/cros_ec_proto.h b/include/linux/platform_data/cros_ec_proto.h
index 4f9f756bc17c..8865e350c12a 100644
--- a/include/linux/platform_data/cros_ec_proto.h
+++ b/include/linux/platform_data/cros_ec_proto.h
@@ -258,7 +258,7 @@ bool cros_ec_check_features(struct cros_ec_dev *ec, int feature);
int cros_ec_get_sensor_count(struct cros_ec_dev *ec);
-int cros_ec_cmd(struct cros_ec_device *ec_dev, unsigned int version, int command, void *outdata,
+int cros_ec_cmd(struct cros_ec_device *ec_dev, unsigned int version, int command, const void *outdata,
size_t outsize, void *indata, size_t insize);
/**