From patchwork Mon Mar 9 09:30:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maulik Shah X-Patchwork-Id: 11426493 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4F6B992A for ; Mon, 9 Mar 2020 09:31:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 27C0720866 for ; Mon, 9 Mar 2020 09:31:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="du9kPkgU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726668AbgCIJbp (ORCPT ); Mon, 9 Mar 2020 05:31:45 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:29325 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726669AbgCIJbp (ORCPT ); Mon, 9 Mar 2020 05:31:45 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1583746304; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=b+OMlUkujLRmWNAOLxKHBxLAHMWPs5UHeP/OZ8evMOM=; b=du9kPkgUX3M+KycUB2tOovEhopPRa+Z+88Gvyy1lO+ipt3+hQmn9AVyMVIkaq45tb+b0CsOH /oD6MAqEwjwHAfMdAmekAl6Oo1h3EzXTLvyVDkkFEW+eKNgnPEbDqW2d2K3hCAkY1zxj7y43 VDjKiIIfym+OvLbhyq2jv9yZ00A= X-Mailgun-Sending-Ip: 104.130.122.27 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e660cff.7fb6016697a0-smtp-out-n01; Mon, 09 Mar 2020 09:31:43 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 63861C433CB; Mon, 9 Mar 2020 09:31:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mkshah-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: mkshah) by smtp.codeaurora.org (Postfix) with ESMTPSA id 5E4E2C4478F; Mon, 9 Mar 2020 09:31:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 5E4E2C4478F Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=mkshah@codeaurora.org From: Maulik Shah To: swboyd@chromium.org, mka@chromium.org, evgreen@chromium.org, bjorn.andersson@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, agross@kernel.org, dianders@chromium.org, rnayak@codeaurora.org, ilina@codeaurora.org, lsrao@codeaurora.org, Maulik Shah , Taniya Das , Odelu Kukatla , Kiran Gunda , Sibi Sankar Subject: [PATCH v13 5/5] drivers: qcom: Update rpmh clients to use start and end transactions Date: Mon, 9 Mar 2020 15:00:36 +0530 Message-Id: <1583746236-13325-6-git-send-email-mkshah@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1583746236-13325-1-git-send-email-mkshah@codeaurora.org> References: <1583746236-13325-1-git-send-email-mkshah@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Update all rpmh clients to start using rpmh_start_transaction() and rpmh_end_transaction(). Cc: Taniya Das Cc: Odelu Kukatla Cc: Kiran Gunda Cc: Sibi Sankar Signed-off-by: Maulik Shah --- drivers/clk/qcom/clk-rpmh.c | 21 ++++++++++++++------- drivers/interconnect/qcom/bcm-voter.c | 13 +++++++++---- drivers/regulator/qcom-rpmh-regulator.c | 4 ++++ drivers/soc/qcom/rpmhpd.c | 11 +++++++++-- 4 files changed, 36 insertions(+), 13 deletions(-) diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c index 12bd871..16f68d4 100644 --- a/drivers/clk/qcom/clk-rpmh.c +++ b/drivers/clk/qcom/clk-rpmh.c @@ -154,22 +154,27 @@ static int clk_rpmh_send_aggregate_command(struct clk_rpmh *c) cmd_state = c->aggr_state; on_val = c->res_on_val; + rpmh_start_transaction(c->dev); + for (; state <= RPMH_ACTIVE_ONLY_STATE; state++) { if (has_state_changed(c, state)) { if (cmd_state & BIT(state)) cmd.data = on_val; ret = rpmh_write_async(c->dev, state, &cmd, 1); - if (ret) { - dev_err(c->dev, "set %s state of %s failed: (%d)\n", - !state ? "sleep" : - state == RPMH_WAKE_ONLY_STATE ? - "wake" : "active", c->res_name, ret); - return ret; - } + if (ret) + break; } } + ret |= rpmh_end_transaction(c->dev); + if (ret) { + dev_err(c->dev, "set %s state of %s failed: (%d)\n", + !state ? "sleep" : state == RPMH_WAKE_ONLY_STATE ? + "wake" : "active", c->res_name, ret); + return ret; + } + c->last_sent_aggr_state = c->aggr_state; c->peer->last_sent_aggr_state = c->last_sent_aggr_state; @@ -267,7 +272,9 @@ static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable) cmd.addr = c->res_addr; cmd.data = BCM_TCS_CMD(1, enable, 0, cmd_state); + rpmh_start_transaction(c->dev); ret = rpmh_write_async(c->dev, RPMH_ACTIVE_ONLY_STATE, &cmd, 1); + ret |= rpmh_end_transaction(c->dev); if (ret) { dev_err(c->dev, "set active state of %s failed: (%d)\n", c->res_name, ret); diff --git a/drivers/interconnect/qcom/bcm-voter.c b/drivers/interconnect/qcom/bcm-voter.c index 2adfde8..fbe18b2 100644 --- a/drivers/interconnect/qcom/bcm-voter.c +++ b/drivers/interconnect/qcom/bcm-voter.c @@ -263,7 +263,9 @@ int qcom_icc_bcm_voter_commit(struct bcm_voter *voter) tcs_list_gen(&voter->commit_list, QCOM_ICC_BUCKET_AMC, cmds, commit_idx); if (!commit_idx[0]) - goto out; + goto end; + + rpmh_start_transaction(voter-dev); ret = rpmh_invalidate(voter->dev); if (ret) { @@ -312,12 +314,15 @@ int qcom_icc_bcm_voter_commit(struct bcm_voter *voter) tcs_list_gen(&voter->commit_list, QCOM_ICC_BUCKET_SLEEP, cmds, commit_idx); ret = rpmh_write_batch(voter->dev, RPMH_SLEEP_STATE, cmds, commit_idx); - if (ret) { + if (ret) pr_err("Error sending SLEEP RPMH requests (%d)\n", ret); - goto out; - } out: + ret = rpmh_end_transaction(voter-dev); + if (ret) + pr_err("Error ending rpmh transaction (%d)\n", ret); + +end: list_for_each_entry_safe(bcm, bcm_tmp, &voter->commit_list, list) list_del_init(&bcm->list); diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c index c86ad40..f4b9176 100644 --- a/drivers/regulator/qcom-rpmh-regulator.c +++ b/drivers/regulator/qcom-rpmh-regulator.c @@ -163,12 +163,16 @@ static int rpmh_regulator_send_request(struct rpmh_vreg *vreg, { int ret; + rpmh_start_transaction(vreg->dev); + if (wait_for_ack || vreg->always_wait_for_ack) ret = rpmh_write(vreg->dev, RPMH_ACTIVE_ONLY_STATE, cmd, 1); else ret = rpmh_write_async(vreg->dev, RPMH_ACTIVE_ONLY_STATE, cmd, 1); + ret |= rpmh_end_transaction(vreg->dev); + return ret; } diff --git a/drivers/soc/qcom/rpmhpd.c b/drivers/soc/qcom/rpmhpd.c index 4d264d0..0e9d204 100644 --- a/drivers/soc/qcom/rpmhpd.c +++ b/drivers/soc/qcom/rpmhpd.c @@ -193,19 +193,26 @@ static const struct of_device_id rpmhpd_match_table[] = { static int rpmhpd_send_corner(struct rpmhpd *pd, int state, unsigned int corner, bool sync) { + int ret; struct tcs_cmd cmd = { .addr = pd->addr, .data = corner, }; + rpmh_start_transaction(pd->dev); + /* * Wait for an ack only when we are increasing the * perf state of the power domain */ if (sync) - return rpmh_write(pd->dev, state, &cmd, 1); + ret = rpmh_write(pd->dev, state, &cmd, 1); else - return rpmh_write_async(pd->dev, state, &cmd, 1); + ret = rpmh_write_async(pd->dev, state, &cmd, 1); + + ret |= rpmh_end_transaction(pd->dev); + + return ret; } static void to_active_sleep(struct rpmhpd *pd, unsigned int corner,