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Commit b0992afa authored by Sujeev Dias's avatar Sujeev Dias
Browse files

mhi: core: provide helper function to check MHI device status 



Provide a helper function for client to check if external device
in active state or not.

CRs-Fixed: 2361223
Change-Id: I80f320eb1ce1d6b704af1800a387702dc948aaa2
Signed-off-by: default avatarSujeev Dias <sdias@codeaurora.org>
parent 4b54d9aa

include/linux/mhi.h

+13 −0
Original line number Diff line number Diff line
@@ -629,6 +629,19 @@ enum mhi_dev_state mhi_get_mhi_state(struct mhi_controller *mhi_cntrl); 
void mhi_set_mhi_state(struct mhi_controller *mhi_cntrl,

		       enum mhi_dev_state state);





/**

 * mhi_is_active - helper function to determine if MHI in active state

 * @mhi_dev: client device

 */

static inline bool mhi_is_active(struct mhi_device *mhi_dev)

{

	struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;



	return (mhi_cntrl->dev_state >= MHI_STATE_M0 &&

		mhi_cntrl->dev_state <= MHI_STATE_M3);

}



#ifndef CONFIG_ARCH_QCOM



#ifdef CONFIG_MHI_DEBUG