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From: Felipe Balbi <balbi@ti.com>
To: Linux USB Mailing List <linux-usb@vger.kernel.org>
Cc: Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
	davinci-linux-open-source@linux.davincidsp.com,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Felipe Balbi <balbi@ti.com>
Subject: [PATCH] usb: musb: make modules behave better
Date: Thu, 26 Jan 2012 12:45:49 +0200	[thread overview]
Message-ID: <1327574749-18552-1-git-send-email-balbi@ti.com> (raw)

There's really no point in doing all that
initcall trickery when we can safely let
udev handle module probing for us.

Remove all of that trickery, by moving everybody
to module_init() and making proper use of
platform_device_register() rather than
platform_device_probe().

Signed-off-by: Felipe Balbi <balbi@ti.com>
---

Because this falls into the "has never worked before" category
I will be sending this only on the next merge window. This
also gives people enough time to complain about any mistakes
on the patch.

 drivers/usb/musb/am35x.c     |   11 ++++++-----
 drivers/usb/musb/blackfin.c  |    9 +++++----
 drivers/usb/musb/da8xx.c     |   11 ++++++-----
 drivers/usb/musb/davinci.c   |   11 ++++++-----
 drivers/usb/musb/musb_core.c |   15 ++++++---------
 drivers/usb/musb/omap2430.c  |   11 ++++++-----
 drivers/usb/musb/tusb6010.c  |   11 ++++++-----
 drivers/usb/musb/ux500.c     |   11 ++++++-----
 8 files changed, 47 insertions(+), 43 deletions(-)

diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
index e233d2b..5285bda 100644
--- a/drivers/usb/musb/am35x.c
+++ b/drivers/usb/musb/am35x.c
@@ -456,7 +456,7 @@ static const struct musb_platform_ops am35x_ops = {
 
 static u64 am35x_dmamask = DMA_BIT_MASK(32);
 
-static int __init am35x_probe(struct platform_device *pdev)
+static int __devinit am35x_probe(struct platform_device *pdev)
 {
 	struct musb_hdrc_platform_data	*pdata = pdev->dev.platform_data;
 	struct platform_device		*musb;
@@ -561,7 +561,7 @@ err0:
 	return ret;
 }
 
-static int __exit am35x_remove(struct platform_device *pdev)
+static int __devexit am35x_remove(struct platform_device *pdev)
 {
 	struct am35x_glue	*glue = platform_get_drvdata(pdev);
 
@@ -630,7 +630,8 @@ static struct dev_pm_ops am35x_pm_ops = {
 #endif
 
 static struct platform_driver am35x_driver = {
-	.remove		= __exit_p(am35x_remove),
+	.probe		= am35x_probe,
+	.remove		= __devexit_p(am35x_remove),
 	.driver		= {
 		.name	= "musb-am35x",
 		.pm	= DEV_PM_OPS,
@@ -643,9 +644,9 @@ MODULE_LICENSE("GPL v2");
 
 static int __init am35x_init(void)
 {
-	return platform_driver_probe(&am35x_driver, am35x_probe);
+	return platform_driver_register(&am35x_driver);
 }
-subsys_initcall(am35x_init);
+module_init(am35x_init);
 
 static void __exit am35x_exit(void)
 {
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 5e7cfba..261af34 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -463,7 +463,7 @@ static const struct musb_platform_ops bfin_ops = {
 
 static u64 bfin_dmamask = DMA_BIT_MASK(32);
 
-static int __init bfin_probe(struct platform_device *pdev)
+static int __devinit bfin_probe(struct platform_device *pdev)
 {
 	struct musb_hdrc_platform_data	*pdata = pdev->dev.platform_data;
 	struct platform_device		*musb;
@@ -525,7 +525,7 @@ err0:
 	return ret;
 }
 
-static int __exit bfin_remove(struct platform_device *pdev)
+static int __devexit bfin_remove(struct platform_device *pdev)
 {
 	struct bfin_glue		*glue = platform_get_drvdata(pdev);
 
@@ -575,6 +575,7 @@ static struct dev_pm_ops bfin_pm_ops = {
 #endif
 
 static struct platform_driver bfin_driver = {
+	.probe		= bfin_probe,
 	.remove		= __exit_p(bfin_remove),
 	.driver		= {
 		.name	= "musb-blackfin",
@@ -588,9 +589,9 @@ MODULE_LICENSE("GPL v2");
 
 static int __init bfin_init(void)
 {
-	return platform_driver_probe(&bfin_driver, bfin_probe);
+	return platform_driver_register(&bfin_driver);
 }
-subsys_initcall(bfin_init);
+module_init(bfin_init);
 
 static void __exit bfin_exit(void)
 {
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 2613bfd..01c8f2e 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -478,7 +478,7 @@ static const struct musb_platform_ops da8xx_ops = {
 
 static u64 da8xx_dmamask = DMA_BIT_MASK(32);
 
-static int __init da8xx_probe(struct platform_device *pdev)
+static int __devinit da8xx_probe(struct platform_device *pdev)
 {
 	struct musb_hdrc_platform_data	*pdata = pdev->dev.platform_data;
 	struct platform_device		*musb;
@@ -562,7 +562,7 @@ err0:
 	return ret;
 }
 
-static int __exit da8xx_remove(struct platform_device *pdev)
+static int __devexit da8xx_remove(struct platform_device *pdev)
 {
 	struct da8xx_glue		*glue = platform_get_drvdata(pdev);
 
@@ -576,7 +576,8 @@ static int __exit da8xx_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver da8xx_driver = {
-	.remove		= __exit_p(da8xx_remove),
+	.probe		= da8xx_probe,
+	.remove		= __devexit_p(da8xx_remove),
 	.driver		= {
 		.name	= "musb-da8xx",
 	},
@@ -588,9 +589,9 @@ MODULE_LICENSE("GPL v2");
 
 static int __init da8xx_init(void)
 {
-	return platform_driver_probe(&da8xx_driver, da8xx_probe);
+	return platform_driver_register(&da8xx_driver);
 }
-subsys_initcall(da8xx_init);
+module_init(da8xx_init);
 
 static void __exit da8xx_exit(void)
 {
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index f9a3f62..7802c7e 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -514,7 +514,7 @@ static const struct musb_platform_ops davinci_ops = {
 
 static u64 davinci_dmamask = DMA_BIT_MASK(32);
 
-static int __init davinci_probe(struct platform_device *pdev)
+static int __devinit davinci_probe(struct platform_device *pdev)
 {
 	struct musb_hdrc_platform_data	*pdata = pdev->dev.platform_data;
 	struct platform_device		*musb;
@@ -597,7 +597,7 @@ err0:
 	return ret;
 }
 
-static int __exit davinci_remove(struct platform_device *pdev)
+static int __devexit davinci_remove(struct platform_device *pdev)
 {
 	struct davinci_glue		*glue = platform_get_drvdata(pdev);
 
@@ -611,7 +611,8 @@ static int __exit davinci_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver davinci_driver = {
-	.remove		= __exit_p(davinci_remove),
+	.probe		= davinci_probe,
+	.remove		= __devexit_p(davinci_remove),
 	.driver		= {
 		.name	= "musb-davinci",
 	},
@@ -623,9 +624,9 @@ MODULE_LICENSE("GPL v2");
 
 static int __init davinci_init(void)
 {
-	return platform_driver_probe(&davinci_driver, davinci_probe);
+	return platform_driver_register(&davinci_driver);
 }
-subsys_initcall(davinci_init);
+module_init(davinci_init);
 
 static void __exit davinci_exit(void)
 {
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 6a92985..bd54470 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2072,7 +2072,7 @@ fail0:
 static u64	*orig_dma_mask;
 #endif
 
-static int __init musb_probe(struct platform_device *pdev)
+static int __devinit musb_probe(struct platform_device *pdev)
 {
 	struct device	*dev = &pdev->dev;
 	int		irq = platform_get_irq_byname(pdev, "mc");
@@ -2101,7 +2101,7 @@ static int __init musb_probe(struct platform_device *pdev)
 	return status;
 }
 
-static int __exit musb_remove(struct platform_device *pdev)
+static int __devexit musb_remove(struct platform_device *pdev)
 {
 	struct musb	*musb = dev_to_musb(&pdev->dev);
 	void __iomem	*ctrl_base = musb->ctrl_base;
@@ -2361,7 +2361,8 @@ static struct platform_driver musb_driver = {
 		.owner		= THIS_MODULE,
 		.pm		= MUSB_DEV_PM_OPS,
 	},
-	.remove		= __exit_p(musb_remove),
+	.probe		= musb_probe,
+	.remove		= __devexit_p(musb_remove),
 	.shutdown	= musb_shutdown,
 };
 
@@ -2377,13 +2378,9 @@ static int __init musb_init(void)
 		", "
 		"otg (peripheral+host)",
 		musb_driver_name);
-	return platform_driver_probe(&musb_driver, musb_probe);
+	return platform_driver_register(&musb_driver);
 }
-
-/* make us init after usbcore and i2c (transceivers, regulators, etc)
- * and before usb gadget and host-side drivers start to register
- */
-fs_initcall(musb_init);
+module_init(musb_init);
 
 static void __exit musb_cleanup(void)
 {
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index c27bbbf..b254173 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -408,7 +408,7 @@ static const struct musb_platform_ops omap2430_ops = {
 
 static u64 omap2430_dmamask = DMA_BIT_MASK(32);
 
-static int __init omap2430_probe(struct platform_device *pdev)
+static int __devinit omap2430_probe(struct platform_device *pdev)
 {
 	struct musb_hdrc_platform_data	*pdata = pdev->dev.platform_data;
 	struct platform_device		*musb;
@@ -471,7 +471,7 @@ err0:
 	return ret;
 }
 
-static int __exit omap2430_remove(struct platform_device *pdev)
+static int __devexit omap2430_remove(struct platform_device *pdev)
 {
 	struct omap2430_glue		*glue = platform_get_drvdata(pdev);
 
@@ -524,7 +524,8 @@ static struct dev_pm_ops omap2430_pm_ops = {
 #endif
 
 static struct platform_driver omap2430_driver = {
-	.remove		= __exit_p(omap2430_remove),
+	.probe		= omap2430_probe,
+	.remove		= __devexit_p(omap2430_remove),
 	.driver		= {
 		.name	= "musb-omap2430",
 		.pm	= DEV_PM_OPS,
@@ -537,9 +538,9 @@ MODULE_LICENSE("GPL v2");
 
 static int __init omap2430_init(void)
 {
-	return platform_driver_probe(&omap2430_driver, omap2430_probe);
+	return platform_driver_register(&omap2430_driver);
 }
-subsys_initcall(omap2430_init);
+module_init(omap2430_init);
 
 static void __exit omap2430_exit(void)
 {
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index 1f40561..b387f12 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -1165,7 +1165,7 @@ static const struct musb_platform_ops tusb_ops = {
 
 static u64 tusb_dmamask = DMA_BIT_MASK(32);
 
-static int __init tusb_probe(struct platform_device *pdev)
+static int __devinit tusb_probe(struct platform_device *pdev)
 {
 	struct musb_hdrc_platform_data	*pdata = pdev->dev.platform_data;
 	struct platform_device		*musb;
@@ -1227,7 +1227,7 @@ err0:
 	return ret;
 }
 
-static int __exit tusb_remove(struct platform_device *pdev)
+static int __devexit tusb_remove(struct platform_device *pdev)
 {
 	struct tusb6010_glue		*glue = platform_get_drvdata(pdev);
 
@@ -1239,7 +1239,8 @@ static int __exit tusb_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver tusb_driver = {
-	.remove		= __exit_p(tusb_remove),
+	.probe		= tusb_probe,
+	.remove		= __devexit_p(tusb_remove),
 	.driver		= {
 		.name	= "musb-tusb",
 	},
@@ -1251,9 +1252,9 @@ MODULE_LICENSE("GPL v2");
 
 static int __init tusb_init(void)
 {
-	return platform_driver_probe(&tusb_driver, tusb_probe);
+	return platform_driver_register(&tusb_driver);
 }
-subsys_initcall(tusb_init);
+module_init(tusb_init);
 
 static void __exit tusb_exit(void)
 {
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index f7e04bf..bcfc48f 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -58,7 +58,7 @@ static const struct musb_platform_ops ux500_ops = {
 	.exit		= ux500_musb_exit,
 };
 
-static int __init ux500_probe(struct platform_device *pdev)
+static int __devinit ux500_probe(struct platform_device *pdev)
 {
 	struct musb_hdrc_platform_data	*pdata = pdev->dev.platform_data;
 	struct platform_device		*musb;
@@ -141,7 +141,7 @@ err0:
 	return ret;
 }
 
-static int __exit ux500_remove(struct platform_device *pdev)
+static int __devexit ux500_remove(struct platform_device *pdev)
 {
 	struct ux500_glue	*glue = platform_get_drvdata(pdev);
 
@@ -194,7 +194,8 @@ static const struct dev_pm_ops ux500_pm_ops = {
 #endif
 
 static struct platform_driver ux500_driver = {
-	.remove		= __exit_p(ux500_remove),
+	.probe		= ux500_probe,
+	.remove		= __devexit_p(ux500_remove),
 	.driver		= {
 		.name	= "musb-ux500",
 		.pm	= DEV_PM_OPS,
@@ -207,9 +208,9 @@ MODULE_LICENSE("GPL v2");
 
 static int __init ux500_init(void)
 {
-	return platform_driver_probe(&ux500_driver, ux500_probe);
+	return platform_driver_register(&ux500_driver);
 }
-subsys_initcall(ux500_init);
+module_init(ux500_init);
 
 static void __exit ux500_exit(void)
 {
-- 
1.7.8.2


             reply	other threads:[~2012-01-26 10:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-26 10:45 Felipe Balbi [this message]
2012-01-26 11:21 ` Tasslehoff Kjappfot
2012-01-26 11:22   ` Felipe Balbi
2012-01-27 16:21 ` Rajashekhara, Sudhakar
2012-04-02 14:34 ` Sakari Ailus
2012-04-02 17:03   ` ABRAHAM, KISHON VIJAY
2012-04-04 15:52     ` Sakari Ailus

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