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authorMarc Kleine-Budde <mkl@pengutronix.de>2013-03-30 14:53:59 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-30 19:13:57 +0400
commite609108a5ba70ecf3b1b6a7e09e5a56244e92926 (patch)
treea6a312b02ebe6f4df24a4c5cf859e49745325b17 /drivers/usb/chipidea
parent00b9a1f97dbdfbdc1d268bf8d878937b150ce2d4 (diff)
downloadlinux-e609108a5ba70ecf3b1b6a7e09e5a56244e92926.tar.xz
usb: chipidea: usbmisc: prepare driver to handle more than one soc
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 <m.grzeschik@pengutronix.de> [Alex: fixed one case of line-too-long and one bogus cast to void ptr] Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea')
-rw-r--r--drivers/usb/chipidea/usbmisc_imx.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index d77e712c6c2d..08b046f9491b 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 +79,10 @@ 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 = &imx6q_usbmisc_ops,
+ },
{ /* sentinel */ }
};
@@ -87,6 +91,7 @@ static int 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 +121,11 @@ static int 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 +137,7 @@ static int usbmisc_imx_probe(struct platform_device *pdev)
static int 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;