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[209.132.180.67]) by mx.google.com with ESMTP id tm7si8547532pab.439.2014.04.21.08.59.40; Mon, 21 Apr 2014 08:59:40 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-usb-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751438AbaDUP7g (ORCPT + 3 others); Mon, 21 Apr 2014 11:59:36 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:43920 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751562AbaDUP72 (ORCPT ); Mon, 21 Apr 2014 11:59:28 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id s3LFxLLw030738; Mon, 21 Apr 2014 10:59:21 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id s3LFxL2C020747; Mon, 21 Apr 2014 10:59:21 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.174.1; Mon, 21 Apr 2014 10:59:20 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s3LFxKTs020932; Mon, 21 Apr 2014 10:59:21 -0500 From: Felipe Balbi To: Linux USB Mailing List CC: Linux OMAP Mailing List , , Tony Lindgren , Felipe Balbi Subject: [PATCH 09/10] usb: phy: generic: allow multiples calls to usb_phy_generic_register() Date: Mon, 21 Apr 2014 10:56:51 -0500 Message-ID: <1398095812-14222-10-git-send-email-balbi@ti.com> X-Mailer: git-send-email 1.9.2.459.g68773ac In-Reply-To: <1398095812-14222-1-git-send-email-balbi@ti.com> References: <1398095812-14222-1-git-send-email-balbi@ti.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: balbi@ti.com X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.128.182 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , it's now very easy to return a platform_device pointer and have the caller pass it as argument when calling usb_phy_generic_unregister(). Signed-off-by: Felipe Balbi --- drivers/usb/musb/am35x.c | 12 +++++++++--- drivers/usb/musb/blackfin.c | 10 ++++++++-- drivers/usb/musb/da8xx.c | 14 +++++++++++--- drivers/usb/musb/tusb6010.c | 3 ++- drivers/usb/phy/phy-generic.c | 19 +++++-------------- include/linux/usb/usb_phy_generic.h | 9 +++++---- 6 files changed, 40 insertions(+), 27 deletions(-) diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c index 05459b5..0a34dd8 100644 --- a/drivers/usb/musb/am35x.c +++ b/drivers/usb/musb/am35x.c @@ -85,6 +85,7 @@ struct am35x_glue { struct device *dev; struct platform_device *musb; + struct platform_device *phy; struct clk *phy_clk; struct clk *clk; }; @@ -503,7 +504,9 @@ static int am35x_probe(struct platform_device *pdev) pdata->platform_ops = &am35x_ops; - usb_phy_generic_register(); + glue->phy = usb_phy_generic_register(); + if (IS_ERR(glue->phy)) + goto err7; platform_set_drvdata(pdev, glue); pinfo = am35x_dev_info; @@ -517,11 +520,14 @@ static int am35x_probe(struct platform_device *pdev) if (IS_ERR(musb)) { ret = PTR_ERR(musb); dev_err(&pdev->dev, "failed to register musb device: %d\n", ret); - goto err7; + goto err8; } return 0; +err8: + usb_phy_generic_unregister(glue->phy); + err7: clk_disable(clk); @@ -546,7 +552,7 @@ static int am35x_remove(struct platform_device *pdev) struct am35x_glue *glue = platform_get_drvdata(pdev); platform_device_unregister(glue->musb); - usb_phy_generic_unregister(); + usb_phy_generic_unregister(glue->phy); clk_disable(glue->clk); clk_disable(glue->phy_clk); clk_put(glue->clk); diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c index 53acffe..d40d5f0 100644 --- a/drivers/usb/musb/blackfin.c +++ b/drivers/usb/musb/blackfin.c @@ -29,6 +29,7 @@ struct bfin_glue { struct device *dev; struct platform_device *musb; + struct platform_device *phy; }; #define glue_to_musb(g) platform_get_drvdata(g->musb) @@ -475,7 +476,9 @@ static int bfin_probe(struct platform_device *pdev) pdata->platform_ops = &bfin_ops; - usb_phy_generic_register(); + glue->phy = usb_phy_generic_register(); + if (IS_ERR(glue->phy)) + goto err2; platform_set_drvdata(pdev, glue); memset(musb_resources, 0x00, sizeof(*musb_resources) * @@ -513,6 +516,9 @@ static int bfin_probe(struct platform_device *pdev) return 0; err3: + usb_phy_generic_unregister(glue->phy); + +err2: platform_device_put(musb); err1: @@ -527,7 +533,7 @@ static int bfin_remove(struct platform_device *pdev) struct bfin_glue *glue = platform_get_drvdata(pdev); platform_device_unregister(glue->musb); - usb_phy_generic_unregister(); + usb_phy_generic_unregister(glue->phy); kfree(glue); return 0; diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 024751f..058775e 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -85,6 +85,7 @@ struct da8xx_glue { struct device *dev; struct platform_device *musb; + struct platform_device *phy; struct clk *clk; }; @@ -510,7 +511,11 @@ static int da8xx_probe(struct platform_device *pdev) pdata->platform_ops = &da8xx_ops; - usb_phy_generic_register(); + glue->phy = usb_phy_generic_register(); + if (IS_ERR(glue->phy)) { + ret = PTR_ERR(glue->phy); + goto err5; + } platform_set_drvdata(pdev, glue); memset(musb_resources, 0x00, sizeof(*musb_resources) * @@ -537,11 +542,14 @@ static int da8xx_probe(struct platform_device *pdev) if (IS_ERR(musb)) { ret = PTR_ERR(musb); dev_err(&pdev->dev, "failed to register musb device: %d\n", ret); - goto err5; + goto err6; } return 0; +err6: + usb_phy_generic_unregister(glue->phy); + err5: clk_disable(clk); @@ -560,7 +568,7 @@ static int da8xx_remove(struct platform_device *pdev) struct da8xx_glue *glue = platform_get_drvdata(pdev); platform_device_unregister(glue->musb); - usb_phy_generic_unregister(); + usb_phy_generic_unregister(glue->phy); clk_disable(glue->clk); clk_put(glue->clk); kfree(glue); diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index e1da199..f38a8db 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -31,6 +31,7 @@ struct tusb6010_glue { struct device *dev; struct platform_device *musb; + struct platform_device *phy; }; static void tusb_musb_set_vbus(struct musb *musb, int is_on); @@ -1222,7 +1223,7 @@ static int tusb_remove(struct platform_device *pdev) struct tusb6010_glue *glue = platform_get_drvdata(pdev); platform_device_unregister(glue->musb); - usb_phy_generic_unregister(); + usb_phy_generic_unregister(glue->phy); kfree(glue); return 0; diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index 2c49cd8..7594e50 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -41,25 +41,16 @@ #include "phy-generic.h" -static struct platform_device *pd; - -void usb_phy_generic_register(void) +struct platform_device *usb_phy_generic_register(void) { - if (pd) - return; - pd = platform_device_register_simple("usb_phy_generic", -1, NULL, 0); - if (IS_ERR(pd)) { - pr_err("Unable to register generic usb transceiver\n"); - pd = NULL; - return; - } + return platform_device_register_simple("usb_phy_generic", + PLATFORM_DEVID_AUTO, NULL, 0); } EXPORT_SYMBOL_GPL(usb_phy_generic_register); -void usb_phy_generic_unregister(void) +void usb_phy_generic_unregister(struct platform_device *pdev) { - platform_device_unregister(pd); - pd = NULL; + platform_device_unregister(pdev); } EXPORT_SYMBOL_GPL(usb_phy_generic_unregister); diff --git a/include/linux/usb/usb_phy_generic.h b/include/linux/usb/usb_phy_generic.h index c00176d..8346bcc 100644 --- a/include/linux/usb/usb_phy_generic.h +++ b/include/linux/usb/usb_phy_generic.h @@ -15,14 +15,15 @@ struct usb_phy_generic_platform_data { #if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE)) /* sometimes transceivers are accessed only through e.g. ULPI */ -extern void usb_phy_generic_register(void); -extern void usb_phy_generic_unregister(void); +extern struct platform_device *usb_phy_generic_register(void); +extern void usb_phy_generic_unregister(struct platform_device *); #else -static inline void usb_phy_generic_register(void) +static inline struct platform_device *usb_phy_generic_register(void) { + return NULL; } -static inline void usb_phy_generic_unregister(void) +static inline void usb_phy_generic_unregister(struct platform_device *pdev) { } #endif