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Commit c0afbe02 authored by Lina Iyer's avatar Lina Iyer
Browse files

drivers: qcom: rpmh-rsc: return if the controller is idle 



Allow the controller status be queried. The controller is busy if it is
actively processing request.

Change-Id: Id05d27b19dce0a6fbc0946e9857141933997b31c
Signed-off-by: default avatarLina Iyer <ilina@codeaurora.org>
Signed-off-by: default avatarRaju P.L.S.S.S.N <rplsssn@codeaurora.org>
parent 31b10e8d

drivers/soc/qcom/rpmh-internal.h

+1 −0
Original line number Diff line number Diff line
@@ -108,6 +108,7 @@ int rpmh_rsc_send_data(struct rsc_drv *drv, const struct tcs_request *msg); 
int rpmh_rsc_write_ctrl_data(struct rsc_drv *drv,

			     const struct tcs_request *msg);

int rpmh_rsc_invalidate(struct rsc_drv *drv);

bool rpmh_rsc_ctrlr_is_idle(struct rsc_drv *drv);



void rpmh_tx_done(const struct tcs_request *msg, int r);

drivers/soc/qcom/rpmh-rsc.c

+20 −0
Original line number Diff line number Diff line
@@ -496,6 +496,26 @@ static int tcs_ctrl_write(struct rsc_drv *drv, const struct tcs_request *msg) 
	return ret;

}



/**

 *  rpmh_rsc_ctrlr_is_idle: Check if any of the AMCs are busy.

 *

 *  @drv: The controller

 *

 *  Returns true if the TCSes are engaged in handling requests.

 */

bool rpmh_rsc_ctrlr_is_idle(struct rsc_drv *drv)

{

	int m;

	struct tcs_group *tcs = get_tcs_of_type(drv, ACTIVE_TCS);



	for (m = tcs->offset; m < tcs->offset + tcs->num_tcs; m++) {

		if (!tcs_is_free(drv, m))

			return false;

	}



	return true;

}



/**

 * rpmh_rsc_write_ctrl_data: Write request to the controller

 *