[PATCH v4 4/6] usb: chipidea: usbmisc: prepare driver to handle more than one soc
From: Michael Grzeschik <hidden>
Date: 2012-11-27 16:16:59
Also in:
linux-devicetree
Subsystem:
chipidea usb high speed dual role controller, the rest, usb subsystem · Maintainers:
Peter Chen, Linus Torvalds, Greg Kroah-Hartman
From: Marc Kleine-Budde <mkl@pengutronix.de> This attaches the usbmisc_ops to the of_device_id data and makes it possible to define special functions per soc. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Michael Grzeschik <redacted> --- Changes since v2: * renamed bitmask to reflect soctype mx6 drivers/usb/chipidea/usbmisc_imx.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index 9145e04..d0c7a03 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c@@ -19,13 +19,14 @@ #define USB_DEV_MAX 4 -#define BM_OVER_CUR_DIS BIT(7) +#define MX6_BM_OVER_CUR_DIS BIT(7) struct imx_usbmisc { void __iomem *base; spinlock_t lock; struct clk *clk; struct usbmisc_usb_device usbdev[USB_DEV_MAX]; + const struct usbmisc_ops *ops; }; static struct imx_usbmisc *usbmisc;
@@ -65,7 +66,7 @@ static int usbmisc_imx6q_init(struct device *dev) if (usbdev->disable_oc) { spin_lock_irqsave(&usbmisc->lock, flags); reg = readl(usbmisc->base + usbdev->index * 4); - writel(reg | BM_OVER_CUR_DIS, + writel(reg | MX6_BM_OVER_CUR_DIS, usbmisc->base + usbdev->index * 4); spin_unlock_irqrestore(&usbmisc->lock, flags); }
@@ -78,7 +79,7 @@ static const struct usbmisc_ops imx6q_usbmisc_ops = { }; static const struct of_device_id usbmisc_imx_dt_ids[] = { - { .compatible = "fsl,imx6q-usbmisc"}, + { .compatible = "fsl,imx6q-usbmisc", .data = (void *)&imx6q_usbmisc_ops }, { /* sentinel */ } };
@@ -87,6 +88,7 @@ static int __devinit usbmisc_imx_probe(struct platform_device *pdev) struct resource *res; struct imx_usbmisc *data; int ret; + struct of_device_id *tmp_dev; if (usbmisc) return -EBUSY;
@@ -116,8 +118,11 @@ static int __devinit usbmisc_imx_probe(struct platform_device *pdev) return ret; } + tmp_dev = (struct of_device_id *) + of_match_device(usbmisc_imx_dt_ids, &pdev->dev); + data->ops = (const struct usbmisc_ops *)tmp_dev->data; usbmisc = data; - ret = usbmisc_set_ops(&imx6q_usbmisc_ops); + ret = usbmisc_set_ops(data->ops); if (ret) { usbmisc = NULL; clk_disable_unprepare(data->clk);
@@ -129,7 +134,7 @@ static int __devinit usbmisc_imx_probe(struct platform_device *pdev) static int __devexit usbmisc_imx_remove(struct platform_device *pdev) { - usbmisc_unset_ops(&imx6q_usbmisc_ops); + usbmisc_unset_ops(usbmisc->ops); clk_disable_unprepare(usbmisc->clk); usbmisc = NULL; return 0;
--
1.7.10.4