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authorHemant Kumar <hemantk@codeaurora.org>2020-09-29 23:22:10 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-10-02 11:33:47 +0200
commitf38173a731cae380885e843dace21c8dc4198285 (patch)
tree0437079f517ddb3377c36400ec7c6298e7ab2e3b /include/linux/mhi.h
parentf42dfbe8f712127031e7b9bc938a1c33cec2ff57 (diff)
bus: mhi: core: Add const qualifier to MHI config information
MHI channel, event and controller config data needs to be treated read only information. Add const qualifier to make sure config information passed by MHI controller is not modified by MHI core driver. Suggested-by: Kalle Valo <kvalo@codeaurora.org> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Hemant Kumar <hemantk@codeaurora.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20200929175218.8178-12-manivannan.sadhasivam@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/mhi.h')
-rw-r--r--include/linux/mhi.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index 6b987e8cc438..b2c0214bfbd6 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -280,9 +280,9 @@ struct mhi_controller_config {
u32 timeout_ms;
u32 buf_len;
u32 num_channels;
- struct mhi_channel_config *ch_cfg;
+ const struct mhi_channel_config *ch_cfg;
u32 num_events;
- struct mhi_event_config *event_cfg;
+ const struct mhi_event_config *event_cfg;
bool use_bounce_buf;
bool m2_no_db;
};
@@ -545,7 +545,7 @@ void mhi_free_controller(struct mhi_controller *mhi_cntrl);
* @config: Configuration to use for the controller
*/
int mhi_register_controller(struct mhi_controller *mhi_cntrl,
- struct mhi_controller_config *config);
+ const struct mhi_controller_config *config);
/**
* mhi_unregister_controller - Unregister MHI controller