usb:hsotg:samsung: Wrappers for USB PHY methods
Wrappers for PHY methods have been added for readability and reduction
of code repetition.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 34069dc..3484a09 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -33,7 +33,6 @@
#include <mach/map.h>
-#include <plat/regs-usb-hsotg-phy.h>
#include "s3c-hsotg.h"
#include <linux/platform_data/s3c-hsotg.h>
@@ -2571,6 +2570,39 @@
return 0;
}
+/**
+ * s3c_hsotg_phy_enable - enable platform phy dev
+ *
+ * @param: The driver state
+ *
+ * A wrapper for platform code responsible for controlling
+ * low-level USB code
+ */
+static void s3c_hsotg_phy_enable(struct s3c_hsotg *hsotg)
+{
+ struct platform_device *pdev = to_platform_device(hsotg->dev);
+
+ dev_dbg(hsotg->dev, "pdev 0x%p\n", pdev);
+ if (hsotg->plat->phy_init)
+ hsotg->plat->phy_init(pdev, hsotg->plat->phy_type);
+}
+
+/**
+ * s3c_hsotg_phy_disable - disable platform phy dev
+ *
+ * @param: The driver state
+ *
+ * A wrapper for platform code responsible for controlling
+ * low-level USB code
+ */
+static void s3c_hsotg_phy_disable(struct s3c_hsotg *hsotg)
+{
+ struct platform_device *pdev = to_platform_device(hsotg->dev);
+
+ if (hsotg->plat->phy_exit)
+ hsotg->plat->phy_exit(pdev, hsotg->plat->phy_type);
+}
+
static int s3c_hsotg_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
@@ -3216,8 +3248,6 @@
debugfs_remove(hsotg->debug_root);
}
-static struct s3c_hsotg_plat s3c_hsotg_default_pdata;
-
static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
{
struct s3c_hsotg_plat *plat = pdev->dev.platform_data;
@@ -3227,8 +3257,11 @@
int epnum;
int ret;
- if (!plat)
- plat = &s3c_hsotg_default_pdata;
+ plat = pdev->dev.platform_data;
+ if (!plat) {
+ dev_err(&pdev->dev, "no platform data defined\n");
+ return -EINVAL;
+ }
hsotg = kzalloc(sizeof(struct s3c_hsotg) +
sizeof(struct s3c_hsotg_ep) * S3C_HSOTG_EPS,
@@ -3317,6 +3350,8 @@
clk_enable(hsotg->clk);
+ /* usb phy enable */
+ s3c_hsotg_phy_enable(hsotg);
s3c_hsotg_corereset(hsotg);
s3c_hsotg_init(hsotg);
@@ -3337,6 +3372,8 @@
return 0;
err_add_udc:
+ s3c_hsotg_phy_disable(hsotg);
+
clk_disable(hsotg->clk);
clk_put(hsotg->clk);
@@ -3369,6 +3406,7 @@
release_resource(hsotg->regs_res);
kfree(hsotg->regs_res);
+ s3c_hsotg_phy_disable(hsotg);
clk_disable(hsotg->clk);
clk_put(hsotg->clk);