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Commit 5f3c7db0 authored by Bhaumik Bhatt's avatar Bhaumik Bhatt Committed by Gerrit - the friendly Code Review server
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mhi: cntrl: qcom: add support to retrieve device failure reason 



Allow the core driver to send the buffer to device which can be
used to populate the subsytem failure reason upon assert.

Change-Id: Ia93b3a19560c4929bfe9b059f2ba2d821c7bf4f6
Signed-off-by: default avatarBhaumik Bhatt <bbhatt@codeaurora.org>
parent 73c764e3

drivers/bus/mhi/controllers/mhi_qcom.c

+3 −0
Original line number Diff line number Diff line
@@ -756,6 +756,9 @@ static struct mhi_controller *mhi_register_controller(struct pci_dev *pci_dev) 
	mhi_cntrl->remote_timer_freq = 19200000;

	mhi_cntrl->local_timer_freq = 19200000;



	/* setup host support for SFR retreival */

	mhi_cntrl->sfr_len = MHI_MAX_SFR_LEN;



	ret = of_register_mhi_controller(mhi_cntrl);

	if (ret)

		goto error_register;

drivers/bus/mhi/controllers/mhi_qcom.h

+2 −0
Original line number Diff line number Diff line
@@ -34,6 +34,8 @@ 
#define REMOTE_TIME_REMAINDER_US(x) (REMOTE_TICKS_TO_US((x)) % \

					(REMOTE_TICKS_TO_SEC((x)) * 1000000ULL))



#define MHI_MAX_SFR_LEN (256)



extern const char * const mhi_ee_str[MHI_EE_MAX];

#define TO_MHI_EXEC_STR(ee) (ee >= MHI_EE_MAX ? "INVALID_EE" : mhi_ee_str[ee])