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This simplifies the code and avoids calls to clk_disable_unprepare(). Signed-off-by: Lei Liu Acked-by: Andrew Jeffery --- drivers/usb/gadget/udc/aspeed_udc.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/usb/gadget/udc/aspeed_udc.c b/drivers/usb/gadget/udc/aspeed_udc.c index f4781e611aaa..a362e31f7550 100644 --- a/drivers/usb/gadget/udc/aspeed_udc.c +++ b/drivers/usb/gadget/udc/aspeed_udc.c @@ -1459,8 +1459,6 @@ static void ast_udc_remove(struct platform_device *pdev) ctrl = ast_udc_read(udc, AST_UDC_FUNC_CTRL) & ~USB_UPSTREAM_EN; ast_udc_write(udc, ctrl, AST_UDC_FUNC_CTRL); - clk_disable_unprepare(udc->clk); - spin_unlock_irqrestore(&udc->lock, flags); if (udc->ep0_buf) @@ -1500,16 +1498,11 @@ static int ast_udc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, udc); - udc->clk = devm_clk_get(&pdev->dev, NULL); + udc->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(udc->clk)) { rc = PTR_ERR(udc->clk); goto err; } - rc = clk_prepare_enable(udc->clk); - if (rc) { - dev_err(&pdev->dev, "Failed to enable clock (0x%x)\n", rc); 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This simplifies the code and avoids calls to clk_disable_unprepare(). Signed-off-by: Lei Liu --- drivers/usb/gadget/udc/pxa27x_udc.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c index 1a6317e4b2a3..6e99e75f1acb 100644 --- a/drivers/usb/gadget/udc/pxa27x_udc.c +++ b/drivers/usb/gadget/udc/pxa27x_udc.c @@ -2398,14 +2398,10 @@ static int pxa_udc_probe(struct platform_device *pdev) if (udc->gpiod) gpiod_direction_output(udc->gpiod, 0); - udc->clk = devm_clk_get(&pdev->dev, NULL); + udc->clk = clk_prepare_enable(&pdev->dev, NULL); if (IS_ERR(udc->clk)) return PTR_ERR(udc->clk); - retval = clk_prepare(udc->clk); - if (retval) - return retval; - udc->vbus_sensed = 0; the_controller = udc; From patchwork Wed Aug 21 12:10:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lei Liu X-Patchwork-Id: 821656 Received: from HK2PR02CU002.outbound.protection.outlook.com (mail-eastasiaazon11010045.outbound.protection.outlook.com [52.101.128.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 30B0A1D1317; 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This simplifies the code and avoids calls to clk_disable_unprepare(). Signed-off-by: Lei Liu --- drivers/usb/gadget/udc/r8a66597-udc.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c index db4a10a979f9..bdbe5ead741e 100644 --- a/drivers/usb/gadget/udc/r8a66597-udc.c +++ b/drivers/usb/gadget/udc/r8a66597-udc.c @@ -1812,10 +1812,6 @@ static void r8a66597_remove(struct platform_device *pdev) usb_del_gadget_udc(&r8a66597->gadget); del_timer_sync(&r8a66597->timer); r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req); - - if (r8a66597->pdata->on_chip) { - clk_disable_unprepare(r8a66597->clk); - } } static void nop_completion(struct usb_ep *ep, struct usb_request *r) @@ -1876,18 +1872,17 @@ static int r8a66597_probe(struct platform_device *pdev) if (r8a66597->pdata->on_chip) { snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id); - r8a66597->clk = devm_clk_get(dev, clk_name); + r8a66597->clk = devm_clk_get_enabled(dev, clk_name); if (IS_ERR(r8a66597->clk)) { dev_err(dev, "cannot get clock \"%s\"\n", clk_name); return PTR_ERR(r8a66597->clk); } - clk_prepare_enable(r8a66597->clk); } if (r8a66597->pdata->sudmac) { ret = r8a66597_sudmac_ioremap(r8a66597, pdev); if (ret < 0) - goto clean_up2; + goto err_add_udc; } disable_controller(r8a66597); /* make sure controller is disabled */ @@ -1896,7 +1891,7 @@ static int r8a66597_probe(struct platform_device *pdev) udc_name, r8a66597); if (ret < 0) { dev_err(dev, "request_irq error (%d)\n", ret); - goto clean_up2; + goto err_add_udc; } INIT_LIST_HEAD(&r8a66597->gadget.ep_list); @@ -1939,7 +1934,7 @@ static int r8a66597_probe(struct platform_device *pdev) GFP_KERNEL); if (r8a66597->ep0_req == NULL) { ret = -ENOMEM; - goto clean_up2; + goto err_add_udc; } r8a66597->ep0_req->complete = nop_completion; @@ -1952,9 +1947,6 @@ static int r8a66597_probe(struct platform_device *pdev) err_add_udc: r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req); -clean_up2: - if (r8a66597->pdata->on_chip) - clk_disable_unprepare(r8a66597->clk); if (r8a66597->ep0_req) r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req); 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This simplifies the code and avoids calls to clk_disable_unprepare(). Signed-off-by: Lei Liu --- drivers/usb/musb/mpfs.c | 22 ++++++---------------- 1 file changed, 6 insertions(+), 16 deletions(-) diff --git a/drivers/usb/musb/mpfs.c b/drivers/usb/musb/mpfs.c index 29c7e5cdb230..06faf5ab22e6 100644 --- a/drivers/usb/musb/mpfs.c +++ b/drivers/usb/musb/mpfs.c @@ -159,19 +159,13 @@ static int mpfs_probe(struct platform_device *pdev) return -ENOMEM; } - clk = devm_clk_get(&pdev->dev, NULL); + clk = devm_clk_get_enable(&pdev->dev, NULL); if (IS_ERR(clk)) { dev_err(&pdev->dev, "failed to get clock\n"); ret = PTR_ERR(clk); goto err_phy_release; } - ret = clk_prepare_enable(clk); - if (ret) { - dev_err(&pdev->dev, "failed to enable clock\n"); - goto err_phy_release; - } - musb_pdev->dev.parent = dev; musb_pdev->dev.coherent_dma_mask = DMA_BIT_MASK(39); musb_pdev->dev.dma_mask = &musb_pdev->dev.coherent_dma_mask; @@ -184,7 +178,7 @@ static int mpfs_probe(struct platform_device *pdev) pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) { ret = -ENOMEM; - goto err_clk_disable; + goto err_phy_release; } pdata->config = &mpfs_musb_hdrc_config; @@ -203,7 +197,7 @@ static int mpfs_probe(struct platform_device *pdev) dev_err(dev, "failed to register usb-phy %ld\n", PTR_ERR(glue->phy)); ret = PTR_ERR(glue->phy); - goto err_clk_disable; + goto err_phy_release; } platform_set_drvdata(pdev, glue); @@ -211,27 +205,24 @@ static int mpfs_probe(struct platform_device *pdev) ret = platform_device_add_resources(musb_pdev, pdev->resource, pdev->num_resources); if (ret) { dev_err(dev, "failed to add resources\n"); - goto err_clk_disable; + goto err_phy_release; } ret = platform_device_add_data(musb_pdev, pdata, sizeof(*pdata)); if (ret) { dev_err(dev, "failed to add platform_data\n"); - goto err_clk_disable; + goto err_phy_release; } ret = platform_device_add(musb_pdev); if (ret) { dev_err(dev, "failed to register musb device\n"); - goto err_clk_disable; + goto err_phy_release; } dev_info(&pdev->dev, "Registered MPFS MUSB driver\n"); return 0; -err_clk_disable: - clk_disable_unprepare(clk); 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This simplifies the code and avoids calls to clk_disable_unprepare(). Signed-off-by: Lei Liu --- drivers/usb/musb/ux500.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index c8d9d2a1d2f0..51ce67678c0c 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -246,19 +246,13 @@ static int ux500_probe(struct platform_device *pdev) goto err0; } - clk = devm_clk_get(&pdev->dev, NULL); + clk = clk_prepare_enable(&pdev->dev, NULL); if (IS_ERR(clk)) { dev_err(&pdev->dev, "failed to get clock\n"); ret = PTR_ERR(clk); goto err1; } - ret = clk_prepare_enable(clk); - if (ret) { - dev_err(&pdev->dev, "failed to enable clock\n"); - goto err1; - } - musb->dev.parent = &pdev->dev; musb->dev.dma_mask = &pdev->dev.coherent_dma_mask; musb->dev.coherent_dma_mask = pdev->dev.coherent_dma_mask; @@ -276,26 +270,23 @@ static int ux500_probe(struct platform_device *pdev) ret = platform_device_add_resources(musb, pdev->resource, pdev->num_resources); if (ret) { dev_err(&pdev->dev, "failed to add resources\n"); - goto err2; + goto err1; } ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); if (ret) { dev_err(&pdev->dev, "failed to add platform_data\n"); - goto err2; + goto err1; } ret = platform_device_add(musb); if (ret) { dev_err(&pdev->dev, "failed to register musb device\n"); - goto err2; + goto err1; } return 0; -err2: - clk_disable_unprepare(clk); - err1: platform_device_put(musb); @@ -308,7 +299,6 @@ static void ux500_remove(struct platform_device *pdev) struct ux500_glue *glue = platform_get_drvdata(pdev); platform_device_unregister(glue->musb); - clk_disable_unprepare(glue->clk); } #ifdef CONFIG_PM_SLEEP