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[93.181.165.181]) by smtp.gmail.com with ESMTPSA id s5-20020ac24645000000b00448628b8462sm598481lfo.249.2022.03.10.15.33.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Mar 2022 15:33:30 -0800 (PST) From: Janusz Krzysztofik To: Tony Lindgren Cc: Paul Walmsley , Aaro Koskinen , Alan Stern , Greg Kroah-Hartman , Helge Deller , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Janusz Krzysztofik Subject: [RFC PATCH 3/4] ARM: OMAP1: Prepare for conversion of OMAP1 clocks to CCF Date: Fri, 11 Mar 2022 00:33:06 +0100 Message-Id: <20220310233307.99220-4-jmkrzyszt@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220310233307.99220-1-jmkrzyszt@gmail.com> References: <20220310233307.99220-1-jmkrzyszt@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In preparation for conversion of OMAP1 clocks to common clock framework, identify users of those clocks which don't call clk_prepare/unprepare() and update them to call clk_prepare_enable/clk_disable_unprepare() instead of just clk_enable/disable(), as required by CCF implementation of clock API. Signed-off-by: Janusz Krzysztofik --- arch/arm/mach-omap1/mcbsp.c | 8 ++++---- arch/arm/mach-omap1/ocpi.c | 4 ++-- arch/arm/mach-omap1/serial.c | 6 +++--- arch/arm/mach-omap1/timer32k.c | 2 +- drivers/usb/host/ohci-omap.c | 8 ++++---- drivers/video/fbdev/omap/lcdc.c | 6 +++--- 6 files changed, 17 insertions(+), 17 deletions(-) diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c index f36c34f47f11..3ec2badff6af 100644 --- a/arch/arm/mach-omap1/mcbsp.c +++ b/arch/arm/mach-omap1/mcbsp.c @@ -44,8 +44,8 @@ static void omap1_mcbsp_request(unsigned int id) api_clk = clk_get(NULL, "api_ck"); dsp_clk = clk_get(NULL, "dsp_ck"); if (!IS_ERR(api_clk) && !IS_ERR(dsp_clk)) { - clk_enable(api_clk); - clk_enable(dsp_clk); + clk_prepare_enable(api_clk); + clk_prepare_enable(dsp_clk); /* * DSP external peripheral reset @@ -63,11 +63,11 @@ static void omap1_mcbsp_free(unsigned int id) if (id == 0 || id == 2) { if (--dsp_use == 0) { if (!IS_ERR(api_clk)) { - clk_disable(api_clk); + clk_disable_unprepare(api_clk); clk_put(api_clk); } if (!IS_ERR(dsp_clk)) { - clk_disable(dsp_clk); + clk_disable_unprepare(dsp_clk); clk_put(dsp_clk); } } diff --git a/arch/arm/mach-omap1/ocpi.c b/arch/arm/mach-omap1/ocpi.c index 380ea2de58c1..03cc48024fd6 100644 --- a/arch/arm/mach-omap1/ocpi.c +++ b/arch/arm/mach-omap1/ocpi.c @@ -73,7 +73,7 @@ static int __init omap_ocpi_init(void) if (IS_ERR(ocpi_ck)) return PTR_ERR(ocpi_ck); - clk_enable(ocpi_ck); + clk_prepare_enable(ocpi_ck); ocpi_enable(); pr_info("OMAP OCPI interconnect driver loaded\n"); @@ -87,7 +87,7 @@ static void __exit omap_ocpi_exit(void) if (!cpu_is_omap16xx()) return; - clk_disable(ocpi_ck); + clk_disable_unprepare(ocpi_ck); clk_put(ocpi_ck); } diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c index 9eb591fbfd89..5f591a836ab5 100644 --- a/arch/arm/mach-omap1/serial.c +++ b/arch/arm/mach-omap1/serial.c @@ -141,7 +141,7 @@ void __init omap_serial_init(void) if (IS_ERR(uart1_ck)) printk("Could not get uart1_ck\n"); else { - clk_enable(uart1_ck); + clk_prepare_enable(uart1_ck); if (cpu_is_omap15xx()) clk_set_rate(uart1_ck, 12000000); } @@ -151,7 +151,7 @@ void __init omap_serial_init(void) if (IS_ERR(uart2_ck)) printk("Could not get uart2_ck\n"); else { - clk_enable(uart2_ck); + clk_prepare_enable(uart2_ck); if (cpu_is_omap15xx()) clk_set_rate(uart2_ck, 12000000); else @@ -163,7 +163,7 @@ void __init omap_serial_init(void) if (IS_ERR(uart3_ck)) printk("Could not get uart3_ck\n"); else { - clk_enable(uart3_ck); + clk_prepare_enable(uart3_ck); if (cpu_is_omap15xx()) clk_set_rate(uart3_ck, 12000000); } diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c index 780fdf03c3ce..049c7b7f28c4 100644 --- a/arch/arm/mach-omap1/timer32k.c +++ b/arch/arm/mach-omap1/timer32k.c @@ -180,7 +180,7 @@ int __init omap_32k_timer_init(void) sync32k_ick = clk_get(NULL, "omap_32ksync_ick"); if (!IS_ERR(sync32k_ick)) - clk_enable(sync32k_ick); + clk_prepare_enable(sync32k_ick); ret = omap_init_clocksource_32k(base); } diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 45dcf8292072..f09d6871499d 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -58,13 +58,13 @@ static struct hc_driver __read_mostly ohci_omap_hc_driver; static void omap_ohci_clock_power(struct ohci_omap_priv *priv, int on) { if (on) { - clk_enable(priv->usb_dc_ck); - clk_enable(priv->usb_host_ck); + clk_prepare_enable(priv->usb_dc_ck); + clk_prepare_enable(priv->usb_host_ck); /* guesstimate for T5 == 1x 32K clock + APLL lock time */ udelay(100); } else { - clk_disable(priv->usb_host_ck); - clk_disable(priv->usb_dc_ck); + clk_disable_unprepare(priv->usb_host_ck); + clk_disable_unprepare(priv->usb_dc_ck); } } diff --git a/drivers/video/fbdev/omap/lcdc.c b/drivers/video/fbdev/omap/lcdc.c index 7317c9aad677..97d20dc0d1d0 100644 --- a/drivers/video/fbdev/omap/lcdc.c +++ b/drivers/video/fbdev/omap/lcdc.c @@ -711,7 +711,7 @@ static int omap_lcdc_init(struct omapfb_device *fbdev, int ext_mode, dev_err(fbdev->dev, "failed to adjust LCD rate\n"); goto fail1; } - clk_enable(lcdc.lcd_ck); + clk_prepare_enable(lcdc.lcd_ck); r = request_irq(OMAP_LCDC_IRQ, lcdc_irq_handler, 0, MODULE_NAME, fbdev); if (r) { @@ -746,7 +746,7 @@ static int omap_lcdc_init(struct omapfb_device *fbdev, int ext_mode, fail3: free_irq(OMAP_LCDC_IRQ, lcdc.fbdev); fail2: - clk_disable(lcdc.lcd_ck); + clk_disable_unprepare(lcdc.lcd_ck); fail1: clk_put(lcdc.lcd_ck); fail0: @@ -760,7 +760,7 @@ static void omap_lcdc_cleanup(void) free_fbmem(); omap_free_lcd_dma(); free_irq(OMAP_LCDC_IRQ, lcdc.fbdev); - clk_disable(lcdc.lcd_ck); + clk_disable_unprepare(lcdc.lcd_ck); clk_put(lcdc.lcd_ck); } -- 2.35.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E0637C433EF for ; Thu, 10 Mar 2022 23:35:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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[93.181.165.181]) by smtp.gmail.com with ESMTPSA id s5-20020ac24645000000b00448628b8462sm598481lfo.249.2022.03.10.15.33.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Mar 2022 15:33:30 -0800 (PST) From: Janusz Krzysztofik To: Tony Lindgren Cc: Paul Walmsley , Aaro Koskinen , Alan Stern , Greg Kroah-Hartman , Helge Deller , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Janusz Krzysztofik Subject: [RFC PATCH 3/4] ARM: OMAP1: Prepare for conversion of OMAP1 clocks to CCF Date: Fri, 11 Mar 2022 00:33:06 +0100 Message-Id: <20220310233307.99220-4-jmkrzyszt@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220310233307.99220-1-jmkrzyszt@gmail.com> References: <20220310233307.99220-1-jmkrzyszt@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220310_153333_096129_97971FAA X-CRM114-Status: GOOD ( 16.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In preparation for conversion of OMAP1 clocks to common clock framework, identify users of those clocks which don't call clk_prepare/unprepare() and update them to call clk_prepare_enable/clk_disable_unprepare() instead of just clk_enable/disable(), as required by CCF implementation of clock API. Signed-off-by: Janusz Krzysztofik --- arch/arm/mach-omap1/mcbsp.c | 8 ++++---- arch/arm/mach-omap1/ocpi.c | 4 ++-- arch/arm/mach-omap1/serial.c | 6 +++--- arch/arm/mach-omap1/timer32k.c | 2 +- drivers/usb/host/ohci-omap.c | 8 ++++---- drivers/video/fbdev/omap/lcdc.c | 6 +++--- 6 files changed, 17 insertions(+), 17 deletions(-) diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c index f36c34f47f11..3ec2badff6af 100644 --- a/arch/arm/mach-omap1/mcbsp.c +++ b/arch/arm/mach-omap1/mcbsp.c @@ -44,8 +44,8 @@ static void omap1_mcbsp_request(unsigned int id) api_clk = clk_get(NULL, "api_ck"); dsp_clk = clk_get(NULL, "dsp_ck"); if (!IS_ERR(api_clk) && !IS_ERR(dsp_clk)) { - clk_enable(api_clk); - clk_enable(dsp_clk); + clk_prepare_enable(api_clk); + clk_prepare_enable(dsp_clk); /* * DSP external peripheral reset @@ -63,11 +63,11 @@ static void omap1_mcbsp_free(unsigned int id) if (id == 0 || id == 2) { if (--dsp_use == 0) { if (!IS_ERR(api_clk)) { - clk_disable(api_clk); + clk_disable_unprepare(api_clk); clk_put(api_clk); } if (!IS_ERR(dsp_clk)) { - clk_disable(dsp_clk); + clk_disable_unprepare(dsp_clk); clk_put(dsp_clk); } } diff --git a/arch/arm/mach-omap1/ocpi.c b/arch/arm/mach-omap1/ocpi.c index 380ea2de58c1..03cc48024fd6 100644 --- a/arch/arm/mach-omap1/ocpi.c +++ b/arch/arm/mach-omap1/ocpi.c @@ -73,7 +73,7 @@ static int __init omap_ocpi_init(void) if (IS_ERR(ocpi_ck)) return PTR_ERR(ocpi_ck); - clk_enable(ocpi_ck); + clk_prepare_enable(ocpi_ck); ocpi_enable(); pr_info("OMAP OCPI interconnect driver loaded\n"); @@ -87,7 +87,7 @@ static void __exit omap_ocpi_exit(void) if (!cpu_is_omap16xx()) return; - clk_disable(ocpi_ck); + clk_disable_unprepare(ocpi_ck); clk_put(ocpi_ck); } diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c index 9eb591fbfd89..5f591a836ab5 100644 --- a/arch/arm/mach-omap1/serial.c +++ b/arch/arm/mach-omap1/serial.c @@ -141,7 +141,7 @@ void __init omap_serial_init(void) if (IS_ERR(uart1_ck)) printk("Could not get uart1_ck\n"); else { - clk_enable(uart1_ck); + clk_prepare_enable(uart1_ck); if (cpu_is_omap15xx()) clk_set_rate(uart1_ck, 12000000); } @@ -151,7 +151,7 @@ void __init omap_serial_init(void) if (IS_ERR(uart2_ck)) printk("Could not get uart2_ck\n"); else { - clk_enable(uart2_ck); + clk_prepare_enable(uart2_ck); if (cpu_is_omap15xx()) clk_set_rate(uart2_ck, 12000000); else @@ -163,7 +163,7 @@ void __init omap_serial_init(void) if (IS_ERR(uart3_ck)) printk("Could not get uart3_ck\n"); else { - clk_enable(uart3_ck); + clk_prepare_enable(uart3_ck); if (cpu_is_omap15xx()) clk_set_rate(uart3_ck, 12000000); } diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c index 780fdf03c3ce..049c7b7f28c4 100644 --- a/arch/arm/mach-omap1/timer32k.c +++ b/arch/arm/mach-omap1/timer32k.c @@ -180,7 +180,7 @@ int __init omap_32k_timer_init(void) sync32k_ick = clk_get(NULL, "omap_32ksync_ick"); if (!IS_ERR(sync32k_ick)) - clk_enable(sync32k_ick); + clk_prepare_enable(sync32k_ick); ret = omap_init_clocksource_32k(base); } diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 45dcf8292072..f09d6871499d 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -58,13 +58,13 @@ static struct hc_driver __read_mostly ohci_omap_hc_driver; static void omap_ohci_clock_power(struct ohci_omap_priv *priv, int on) { if (on) { - clk_enable(priv->usb_dc_ck); - clk_enable(priv->usb_host_ck); + clk_prepare_enable(priv->usb_dc_ck); + clk_prepare_enable(priv->usb_host_ck); /* guesstimate for T5 == 1x 32K clock + APLL lock time */ udelay(100); } else { - clk_disable(priv->usb_host_ck); - clk_disable(priv->usb_dc_ck); + clk_disable_unprepare(priv->usb_host_ck); + clk_disable_unprepare(priv->usb_dc_ck); } } diff --git a/drivers/video/fbdev/omap/lcdc.c b/drivers/video/fbdev/omap/lcdc.c index 7317c9aad677..97d20dc0d1d0 100644 --- a/drivers/video/fbdev/omap/lcdc.c +++ b/drivers/video/fbdev/omap/lcdc.c @@ -711,7 +711,7 @@ static int omap_lcdc_init(struct omapfb_device *fbdev, int ext_mode, dev_err(fbdev->dev, "failed to adjust LCD rate\n"); goto fail1; } - clk_enable(lcdc.lcd_ck); + clk_prepare_enable(lcdc.lcd_ck); r = request_irq(OMAP_LCDC_IRQ, lcdc_irq_handler, 0, MODULE_NAME, fbdev); if (r) { @@ -746,7 +746,7 @@ static int omap_lcdc_init(struct omapfb_device *fbdev, int ext_mode, fail3: free_irq(OMAP_LCDC_IRQ, lcdc.fbdev); fail2: - clk_disable(lcdc.lcd_ck); + clk_disable_unprepare(lcdc.lcd_ck); fail1: clk_put(lcdc.lcd_ck); fail0: @@ -760,7 +760,7 @@ static void omap_lcdc_cleanup(void) free_fbmem(); omap_free_lcd_dma(); free_irq(OMAP_LCDC_IRQ, lcdc.fbdev); - clk_disable(lcdc.lcd_ck); + clk_disable_unprepare(lcdc.lcd_ck); clk_put(lcdc.lcd_ck); } -- 2.35.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel