On 2/4/21 12:28 PM, Bhaumik Bhatt wrote:
Clearing a channel context can happen twice if the client driver unprepares and reset the channels from the remove() callback from a controller requested MHI power down sequence. If there are multiple attempts at calling the mhi_free_coherent() API, we see kernel warnings such as "trying to free invalid coherent area". Example for one such client is the QRTR MHI driver. Avoid these warnings by skipping mhi_deinit_chan_ctxt() API call and prevent extra work from MHI as the channels are already disabled. Signed-off-by: Bhaumik Bhatt <bbhatt@xxxxxxxxxxxxxx>
Reviewed-by: Hemant Kumar <hemantk@xxxxxxxxxxxxxx> -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
