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Commit 3e55b4f4 authored by Ghanim Fodi's avatar Ghanim Fodi Committed by Gerrit - the friendly Code Review server
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msm: ipa: Notify RPMH on IPA PC from centralized place 



Notify need to be done when IPA uC is loaded,
so wait until uC loaded IRQ is received.

Change-Id: I7d62a70c99ed41f924a4ebb15ebb6351b7de5c51
Signed-off-by: default avatarGhanim Fodi <gfodi@codeaurora.org>
parent 5af8d318

drivers/platform/msm/ipa/ipa_v3/ipa.c

+16 −17
Original line number Diff line number Diff line
@@ -8092,20 +8092,22 @@ void ipa_pc_qmp_enable(void) 
	char buf[MAX_LEN] = "{class: bcm, res: ipa_pc, val: 1}";

	struct qmp_pkt pkt;

	int ret = 0;

	struct ipa3_pc_mbox_data *mbox_data = &ipa3_ctx->pc_mbox;



	IPADBG("Enter\n");



	/* prepare the mailbox struct */

	ipa3_ctx->mbox_client.dev = &ipa3_ctx->master_pdev->dev;

	ipa3_ctx->mbox_client.tx_block = true;

	ipa3_ctx->mbox_client.tx_tout = MBOX_TOUT_MS;

	ipa3_ctx->mbox_client.knows_txdone = false;



	ipa3_ctx->mbox = mbox_request_channel(&ipa3_ctx->mbox_client, 0);

	if (IS_ERR(ipa3_ctx->mbox)) {

		ret = PTR_ERR(ipa3_ctx->mbox);

	mbox_data->mbox_client.dev = &ipa3_ctx->master_pdev->dev;

	mbox_data->mbox_client.tx_block = true;

	mbox_data->mbox_client.tx_tout = MBOX_TOUT_MS;

	mbox_data->mbox_client.knows_txdone = false;



	mbox_data->mbox = mbox_request_channel(&mbox_data->mbox_client, 0);

	if (IS_ERR(mbox_data->mbox)) {

		ret = PTR_ERR(mbox_data->mbox);

		if (ret != -EPROBE_DEFER)

			IPAERR("mailbox channel request failed, ret=%d\n", ret);



		ipa3_ctx->mbox = NULL;

		return;

	}
@@ -8114,16 +8116,13 @@ void ipa_pc_qmp_enable(void) 
	pkt.data = buf;



	/* send the QMP packet to AOP */

	ret = mbox_send_message(ipa3_ctx->mbox, &pkt);

	if (ret < 0) {

	ret = mbox_send_message(mbox_data->mbox, &pkt);

	if (ret < 0)

		IPAERR("qmp message send failed, ret=%d\n", ret);

		goto cleanup;

	}



cleanup:

	if (ipa3_ctx->mbox) {

		mbox_free_channel(ipa3_ctx->mbox);

		ipa3_ctx->mbox = NULL;

	if (mbox_data->mbox) {

		mbox_free_channel(mbox_data->mbox);

		mbox_data->mbox = NULL;

	}

}

drivers/platform/msm/ipa/ipa_v3/ipa_i.h

+6 −2
Original line number Diff line number Diff line
@@ -1585,6 +1585,11 @@ struct ipa3_char_device_context { 
	struct cdev cdev;

};



struct ipa3_pc_mbox_data {

	struct mbox_client mbox_client;

	struct mbox_chan *mbox;

};



/**

 * struct ipa3_context - IPA context

 * @cdev: cdev context
@@ -1828,8 +1833,7 @@ struct ipa3_context { 
	u32 sd_state;

	void __iomem *reg_collection_base;

	struct ipa3_wdi2_ctx wdi2_ctx;

	struct mbox_client mbox_client;

	struct mbox_chan *mbox;

	struct ipa3_pc_mbox_data pc_mbox;

	atomic_t ipa_clk_vote;

	int gsi_chk_intset_value;

	int uc_mailbox17_chk;

drivers/platform/msm/ipa/ipa_v3/ipa_uc.c

+1 −4
Original line number Diff line number Diff line
@@ -503,10 +503,7 @@ static void ipa3_uc_response_hdlr(enum ipa_irq_type interrupt, 
		 * To enable ipa power collapse we need to enable rpmh and uc

		 * handshake So that uc can do register retention. To enable

		 * this handshake we need to send the below message to rpmh.

		 * For APQ only target, we do it here once uC loading is

		 * completed.

		 */

		if (ipa3_ctx->platform_type == IPA_PLAT_TYPE_APQ)

		ipa_pc_qmp_enable();



		for (i = 0; i < IPA_HW_NUM_FEATURES; i++) {

drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c

+0 −7
Original line number Diff line number Diff line
@@ -3921,13 +3921,6 @@ void ipa3_q6_handshake_complete(bool ssr_bootup) 
		 * SSR recovery

		 */

		rmnet_ipa_get_network_stats_and_update();

	} else {

		/*

		 * To enable ipa power collapse we need to enable rpmh and uc

		 * handshake So that uc can do register retention. To enable

		 * this handshake we need to send the below message to rpmh

		 */

		ipa_pc_qmp_enable();

	}



	imp_handle_modem_ready();