From patchwork Fri Aug 28 06:07:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh Kumar X-Patchwork-Id: 11742159 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 912191751 for ; Fri, 28 Aug 2020 06:08:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7708B20DD4 for ; Fri, 28 Aug 2020 06:08:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="O/ulWoot" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728273AbgH1GI2 (ORCPT ); Fri, 28 Aug 2020 02:08:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728086AbgH1GIZ (ORCPT ); Fri, 28 Aug 2020 02:08:25 -0400 Received: from mail-pj1-x1043.google.com (mail-pj1-x1043.google.com [IPv6:2607:f8b0:4864:20::1043]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 83EF8C061234 for ; Thu, 27 Aug 2020 23:08:24 -0700 (PDT) Received: by mail-pj1-x1043.google.com with SMTP id ls14so51617pjb.3 for ; Thu, 27 Aug 2020 23:08:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=xHZeI2yfFEkpCkFHmLsd7DtKmS2VipSIn1WAzrLDQFE=; b=O/ulWoothsxdPQ97xUPAUF8mGcsHgg0SyY1cIBhktJYelPiAMSEkxkz/j33wP2C+Lq vbXrtKofh2FKpOGyRQmm9D9Cts2zfKI9qst0d9eDfHoZ3ARRHSvM47r89aGu9oRT4QRx 64B9170HVrKF8kOJiV8NrDLdPSDI+gRjG8N/bKQf1V4TBIvWLY4xg0MnamDt8rVICGLN +rVhKfjcmjNJLx5WZl1n4E3tCbSCFY8qbEsEdPo5WpqxCs65T6GdDqBj3pNNyznWONvZ OQxut+bgVRDcKCXc3uvfKhbN4aNZbQMFIJwee77qFz0Pv6LUakfOtGZrFOlIPhb0T4XB zK5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=xHZeI2yfFEkpCkFHmLsd7DtKmS2VipSIn1WAzrLDQFE=; b=ZVNNM5tQf46LER20ZVp/rjM0+u3rqWnkJpA20uDB+UUpK+IUjJChiDcMTUQgDgoDUJ PWxhYqG6ciMUHG9rjNFvvJBuPodXAT3wBBCXHg1kp4HY565wNIkImPizpPBu0NWKMh+d qHb+PCW32snM9jPC5yzMxhsxp6YiEeH3eJGVX4KAshOZYkm1UpO22gFRbljQOFCJOQ0Z 9zlyV5CHJ+5t6/e18abx2VNM5tai/+RRu724ONlHQU7GhUjaTVHRuEbZX7b2TKcQHlA3 c0QKys9FXSGNES/Vm/hmkn2o4LB0koeLt6eEitKFWlvZ7TFIMFEb4k5YjAJEmE+WHZwW Z2SQ== X-Gm-Message-State: AOAM5321Yy80Zd27we0an7Sfu5nS41GmoTKnW1rd9fw94J21/OJ9v/aH q29/aTQ3MptYIgSyDmQAL9S19A== X-Google-Smtp-Source: ABdhPJzUn/yAsux1BzGUFFYk5nk+3HRDii55+GgvRQzXYUbbXQKWlcl/DTr9MzJvuF556xdk7KaYkg== X-Received: by 2002:a17:90a:1e65:: with SMTP id w92mr262778pjw.187.1598594903805; Thu, 27 Aug 2020 23:08:23 -0700 (PDT) Received: from localhost ([122.167.135.199]) by smtp.gmail.com with ESMTPSA id e65sm96904pjk.45.2020.08.27.23.08.22 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Aug 2020 23:08:23 -0700 (PDT) From: Viresh Kumar To: rnayak@codeaurora.org, Rob Clark , Sean Paul Cc: Viresh Kumar , linux-pm@vger.kernel.org, Vincent Guittot , Rafael Wysocki , Stephen Boyd , Nishanth Menon , Douglas Anderson , Naresh Kamboju , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 3/8] drm/msm: Unconditionally call dev_pm_opp_of_remove_table() Date: Fri, 28 Aug 2020 11:37:48 +0530 Message-Id: <6e4110032f8711e8bb0acbeccfe66dec3b09d5c1.1598594714.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.25.0.rc1.19.g042ed3e048af In-Reply-To: References: MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org dev_pm_opp_of_remove_table() doesn't report any errors when it fails to find the OPP table with error -ENODEV (i.e. OPP table not present for the device). And we can call dev_pm_opp_of_remove_table() unconditionally here. While at it, also create a label to put clkname. Signed-off-by: Viresh Kumar --- V2: - Compare with -ENODEV only for failures. - Create new label to put clkname. --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 14 +++++--------- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 - drivers/gpu/drm/msm/dsi/dsi_host.c | 8 ++------ 3 files changed, 7 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index c0a4d4e16d82..c8287191951f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -1010,12 +1010,9 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) return PTR_ERR(dpu_kms->opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(dev); - if (!ret) { - dpu_kms->has_opp_table = true; - } else if (ret != -ENODEV) { + if (ret && ret != -ENODEV) { dev_err(dev, "invalid OPP table in device tree\n"); - dev_pm_opp_put_clkname(dpu_kms->opp_table); - return ret; + goto put_clkname; } mp = &dpu_kms->mp; @@ -1037,8 +1034,8 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) priv->kms = &dpu_kms->base; return ret; err: - if (dpu_kms->has_opp_table) - dev_pm_opp_of_remove_table(dev); + dev_pm_opp_of_remove_table(dev); +put_clkname: dev_pm_opp_put_clkname(dpu_kms->opp_table); return ret; } @@ -1056,8 +1053,7 @@ static void dpu_unbind(struct device *dev, struct device *master, void *data) if (dpu_kms->rpm_enabled) pm_runtime_disable(&pdev->dev); - if (dpu_kms->has_opp_table) - dev_pm_opp_of_remove_table(dev); + dev_pm_opp_of_remove_table(dev); dev_pm_opp_put_clkname(dpu_kms->opp_table); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index e140cd633071..8295979a7165 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -129,7 +129,6 @@ struct dpu_kms { bool rpm_enabled; struct opp_table *opp_table; - bool has_opp_table; struct dss_module_power mp; diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index b17ac6c27554..4335fe33250c 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -113,7 +113,6 @@ struct msm_dsi_host { struct clk *byte_intf_clk; struct opp_table *opp_table; - bool has_opp_table; u32 byte_clk_rate; u32 pixel_clk_rate; @@ -1891,9 +1890,7 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) return PTR_ERR(msm_host->opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (!ret) { - msm_host->has_opp_table = true; - } else if (ret != -ENODEV) { + if (ret && ret != -ENODEV) { dev_err(&pdev->dev, "invalid OPP table in device tree\n"); dev_pm_opp_put_clkname(msm_host->opp_table); return ret; @@ -1934,8 +1931,7 @@ void msm_dsi_host_destroy(struct mipi_dsi_host *host) mutex_destroy(&msm_host->cmd_mutex); mutex_destroy(&msm_host->dev_mutex); - if (msm_host->has_opp_table) - dev_pm_opp_of_remove_table(&msm_host->pdev->dev); + dev_pm_opp_of_remove_table(&msm_host->pdev->dev); dev_pm_opp_put_clkname(msm_host->opp_table); pm_runtime_disable(&msm_host->pdev->dev); } From patchwork Fri Aug 28 06:07:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh Kumar X-Patchwork-Id: 11742185 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 1634E1751 for ; 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Thu, 27 Aug 2020 23:08:26 -0700 (PDT) Received: from localhost ([122.167.135.199]) by smtp.gmail.com with ESMTPSA id d76sm169607pfd.63.2020.08.27.23.08.25 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Aug 2020 23:08:26 -0700 (PDT) From: Viresh Kumar To: rnayak@codeaurora.org, Adrian Hunter , Andy Gross , Bjorn Andersson , Ulf Hansson Cc: Viresh Kumar , linux-pm@vger.kernel.org, Vincent Guittot , Rafael Wysocki , Stephen Boyd , Nishanth Menon , Douglas Anderson , Naresh Kamboju , linux-arm-msm@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 4/8] mmc: sdhci-msm: Unconditionally call dev_pm_opp_of_remove_table() Date: Fri, 28 Aug 2020 11:37:49 +0530 Message-Id: <1d7c97524b9e1fbc60271d9c246c5461ca8a106c.1598594714.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.25.0.rc1.19.g042ed3e048af In-Reply-To: References: MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org dev_pm_opp_of_remove_table() doesn't report any errors when it fails to find the OPP table with error -ENODEV (i.e. OPP table not present for the device). And we can call dev_pm_opp_of_remove_table() unconditionally here. Signed-off-by: Viresh Kumar Tested-by: Douglas Anderson Reviewed-by: Douglas Anderson --- V2: - Compare with -ENODEV only for failures. - Create new label to put clkname. --- drivers/mmc/host/sdhci-msm.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 5a33389037cd..f7beaec6412e 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -263,7 +263,6 @@ struct sdhci_msm_host { unsigned long clk_rate; struct mmc_host *mmc; struct opp_table *opp_table; - bool has_opp_table; bool use_14lpp_dll_reset; bool tuning_done; bool calibration_done; @@ -2285,11 +2284,9 @@ static int sdhci_msm_probe(struct platform_device *pdev) /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (!ret) { - msm_host->has_opp_table = true; - } else if (ret != -ENODEV) { + if (ret && ret != -ENODEV) { dev_err(&pdev->dev, "Invalid OPP table in Device tree\n"); - goto opp_cleanup; + goto opp_put_clkname; } /* Vote for maximum clock rate for maximum performance */ @@ -2453,8 +2450,8 @@ static int sdhci_msm_probe(struct platform_device *pdev) clk_bulk_disable_unprepare(ARRAY_SIZE(msm_host->bulk_clks), msm_host->bulk_clks); opp_cleanup: - if (msm_host->has_opp_table) - dev_pm_opp_of_remove_table(&pdev->dev); + dev_pm_opp_of_remove_table(&pdev->dev); +opp_put_clkname: dev_pm_opp_put_clkname(msm_host->opp_table); bus_clk_disable: if (!IS_ERR(msm_host->bus_clk)) @@ -2474,8 +2471,7 @@ static int sdhci_msm_remove(struct platform_device *pdev) sdhci_remove_host(host, dead); - if (msm_host->has_opp_table) - dev_pm_opp_of_remove_table(&pdev->dev); + dev_pm_opp_of_remove_table(&pdev->dev); dev_pm_opp_put_clkname(msm_host->opp_table); pm_runtime_get_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); From patchwork Fri Aug 28 06:07:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh Kumar X-Patchwork-Id: 11742161 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 874EC13B6 for ; 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Thu, 27 Aug 2020 23:08:29 -0700 (PDT) Received: from localhost ([122.167.135.199]) by smtp.gmail.com with ESMTPSA id cv3sm92193pjb.45.2020.08.27.23.08.28 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Aug 2020 23:08:29 -0700 (PDT) From: Viresh Kumar To: rnayak@codeaurora.org, Andy Gross , Bjorn Andersson , Mark Brown Cc: Viresh Kumar , linux-pm@vger.kernel.org, Vincent Guittot , Rafael Wysocki , Stephen Boyd , Nishanth Menon , Douglas Anderson , Naresh Kamboju , linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 5/8] spi: spi-geni-qcom: Unconditionally call dev_pm_opp_of_remove_table() Date: Fri, 28 Aug 2020 11:37:50 +0530 Message-Id: X-Mailer: git-send-email 2.25.0.rc1.19.g042ed3e048af In-Reply-To: References: MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org dev_pm_opp_of_remove_table() doesn't report any errors when it fails to find the OPP table with error -ENODEV (i.e. OPP table not present for the device). And we can call dev_pm_opp_of_remove_table() unconditionally here. While at it, create a new label and put clkname on errors. Signed-off-by: Viresh Kumar --- V2: - Compare with -ENODEV only for failures. - Create new label to put clkname. --- drivers/spi/spi-geni-qcom.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index 80cea5cd3612..0dc3f4c55b0b 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -613,11 +613,9 @@ static int spi_geni_probe(struct platform_device *pdev) return PTR_ERR(mas->se.opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (!ret) { - mas->se.has_opp_table = true; - } else if (ret != -ENODEV) { + if (ret && ret != -ENODEV) { dev_err(&pdev->dev, "invalid OPP table in device tree\n"); - return ret; + goto put_clkname; } spi->bus_num = -1; @@ -669,8 +667,8 @@ static int spi_geni_probe(struct platform_device *pdev) spi_geni_probe_runtime_disable: pm_runtime_disable(dev); spi_master_put(spi); - if (mas->se.has_opp_table) - dev_pm_opp_of_remove_table(&pdev->dev); + dev_pm_opp_of_remove_table(&pdev->dev); +put_clkname: dev_pm_opp_put_clkname(mas->se.opp_table); return ret; } @@ -685,8 +683,7 @@ static int spi_geni_remove(struct platform_device *pdev) free_irq(mas->irq, spi); pm_runtime_disable(&pdev->dev); - if (mas->se.has_opp_table) - dev_pm_opp_of_remove_table(&pdev->dev); + dev_pm_opp_of_remove_table(&pdev->dev); dev_pm_opp_put_clkname(mas->se.opp_table); return 0; } From patchwork Fri Aug 28 06:07:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh Kumar X-Patchwork-Id: 11742171 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 3AAD913A4 for ; Fri, 28 Aug 2020 06:08:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1AFE320DD4 for ; Fri, 28 Aug 2020 06:08:47 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Thu, 27 Aug 2020 23:08:32 -0700 (PDT) From: Viresh Kumar To: rnayak@codeaurora.org, Andy Gross , Bjorn Andersson , Mark Brown Cc: Viresh Kumar , linux-pm@vger.kernel.org, Vincent Guittot , Rafael Wysocki , Stephen Boyd , Nishanth Menon , Douglas Anderson , Naresh Kamboju , linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 6/8] spi: spi-qcom-qspi: Unconditionally call dev_pm_opp_of_remove_table() Date: Fri, 28 Aug 2020 11:37:51 +0530 Message-Id: X-Mailer: git-send-email 2.25.0.rc1.19.g042ed3e048af In-Reply-To: References: MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org dev_pm_opp_of_remove_table() doesn't report any errors when it fails to find the OPP table with error -ENODEV (i.e. OPP table not present for the device). And we can call dev_pm_opp_of_remove_table() unconditionally here. While at it, create a new label and put clkname on errors. Signed-off-by: Viresh Kumar --- V2: - Compare with -ENODEV only for failures. - Create new label to put clkname. --- drivers/spi/spi-qcom-qspi.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/spi/spi-qcom-qspi.c b/drivers/spi/spi-qcom-qspi.c index b8857a97f40a..e5829c56650b 100644 --- a/drivers/spi/spi-qcom-qspi.c +++ b/drivers/spi/spi-qcom-qspi.c @@ -143,7 +143,6 @@ struct qcom_qspi { struct qspi_xfer xfer; struct icc_path *icc_path_cpu_to_qspi; struct opp_table *opp_table; - bool has_opp_table; unsigned long last_speed; /* Lock to protect data accessed by IRQs */ spinlock_t lock; @@ -546,11 +545,9 @@ static int qcom_qspi_probe(struct platform_device *pdev) } /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (!ret) { - ctrl->has_opp_table = true; - } else if (ret != -ENODEV) { + if (ret && ret != -ENODEV) { dev_err(&pdev->dev, "invalid OPP table in device tree\n"); - goto exit_probe_master_put; + goto exit_probe_put_clkname; } pm_runtime_use_autosuspend(dev); @@ -562,8 +559,9 @@ static int qcom_qspi_probe(struct platform_device *pdev) return 0; pm_runtime_disable(dev); - if (ctrl->has_opp_table) - dev_pm_opp_of_remove_table(&pdev->dev); + dev_pm_opp_of_remove_table(&pdev->dev); + +exit_probe_put_clkname: dev_pm_opp_put_clkname(ctrl->opp_table); exit_probe_master_put: @@ -581,8 +579,7 @@ static int qcom_qspi_remove(struct platform_device *pdev) spi_unregister_master(master); pm_runtime_disable(&pdev->dev); - if (ctrl->has_opp_table) - dev_pm_opp_of_remove_table(&pdev->dev); + dev_pm_opp_of_remove_table(&pdev->dev); dev_pm_opp_put_clkname(ctrl->opp_table); return 0; From patchwork Fri Aug 28 06:07:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh Kumar X-Patchwork-Id: 11742175 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 CD1ED13B6 for ; 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Thu, 27 Aug 2020 23:08:35 -0700 (PDT) Received: from localhost ([122.167.135.199]) by smtp.gmail.com with ESMTPSA id t19sm125832pjy.22.2020.08.27.23.08.34 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Aug 2020 23:08:35 -0700 (PDT) From: Viresh Kumar To: rnayak@codeaurora.org, Andy Gross , Bjorn Andersson , Greg Kroah-Hartman , Jiri Slaby Cc: Viresh Kumar , linux-pm@vger.kernel.org, Vincent Guittot , Rafael Wysocki , Stephen Boyd , Nishanth Menon , Douglas Anderson , Naresh Kamboju , linux-arm-msm@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 7/8] tty: serial: qcom_geni_serial: Unconditionally call dev_pm_opp_of_remove_table() Date: Fri, 28 Aug 2020 11:37:52 +0530 Message-Id: <583003f385a103b4c089ce8144a215c58cfb117a.1598594714.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.25.0.rc1.19.g042ed3e048af In-Reply-To: References: MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org dev_pm_opp_of_remove_table() doesn't report any errors when it fails to find the OPP table with error -ENODEV (i.e. OPP table not present for the device). And we can call dev_pm_opp_of_remove_table() unconditionally here. While at it, create a new label to put clkname on errors. Signed-off-by: Viresh Kumar --- V2: - Compare with -ENODEV only for failures. - Create new label to put clkname. --- drivers/tty/serial/qcom_geni_serial.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 3aa29d201f54..33f1af6c61d1 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1433,11 +1433,9 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) return PTR_ERR(port->se.opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (!ret) { - port->se.has_opp_table = true; - } else if (ret != -ENODEV) { + if (ret && ret != -ENODEV) { dev_err(&pdev->dev, "invalid OPP table in device tree\n"); - return ret; + goto put_clkname; } port->private_data.drv = drv; @@ -1478,8 +1476,8 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) return 0; err: - if (port->se.has_opp_table) - dev_pm_opp_of_remove_table(&pdev->dev); + dev_pm_opp_of_remove_table(&pdev->dev); +put_clkname: dev_pm_opp_put_clkname(port->se.opp_table); return ret; } @@ -1489,8 +1487,7 @@ static int qcom_geni_serial_remove(struct platform_device *pdev) struct qcom_geni_serial_port *port = platform_get_drvdata(pdev); struct uart_driver *drv = port->private_data.drv; - if (port->se.has_opp_table) - dev_pm_opp_of_remove_table(&pdev->dev); + dev_pm_opp_of_remove_table(&pdev->dev); dev_pm_opp_put_clkname(port->se.opp_table); dev_pm_clear_wake_irq(&pdev->dev); device_init_wakeup(&pdev->dev, false);