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The input data passed to execute commands with tps6598x_exec_cmd() is not supposed to be modified by the function. Moreover, this data is passed to tps6598x_exec_cmd_tmo() and finally to tps6598x_block_write(), which expects a const pointer. The current implementation does not produce any bugs, but it discards const qualifiers from the pointers passed as arguments. This leads to compile issues if 'discarded-qualifiers' is active and a const pointer is passed to the function, which is the case if data from a firmware structure is passed to execute update commands. Adding the const modifier to in_data prevents such issues and provides code consistency. Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20231207-tps6598x_update-v2-3-f3cfcde6d890@wolfvision.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>