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Commit 50a54c9e authored by Bhaumik Bhatt's avatar Bhaumik Bhatt
Browse files

mhi: core: Move to error state as soon as RDDM is detected 



To reduce the chances of a race where error conditions may end
up being missed, move MHI to an error detected state before
issuing the RDDM entry callback to the controller.

Change-Id: I1f52a87eb35ba944406ec226be6712f0d186ca11
Signed-off-by: default avatarBhaumik Bhatt <bbhatt@codeaurora.org>
parent 0ea391ba

drivers/bus/mhi/core/mhi_main.c

+4 −3
Original line number Diff line number Diff line
@@ -1660,13 +1660,14 @@ irqreturn_t mhi_intvec_threaded_handlr(int irq_number, void *dev) 
		write_unlock_irq(&mhi_cntrl->pm_lock);



		MHI_ERR("RDDM event occurred!\n");

		mhi_cntrl->status_cb(mhi_cntrl, mhi_cntrl->priv_data,

				     MHI_CB_EE_RDDM);

		wake_up_all(&mhi_cntrl->state_event);



		/* notify critical clients with early notifications */

		mhi_control_error(mhi_cntrl);



		mhi_cntrl->status_cb(mhi_cntrl, mhi_cntrl->priv_data,

				     MHI_CB_EE_RDDM);

		wake_up_all(&mhi_cntrl->state_event);



		goto exit_intvec;

	}