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yaml
---
r: 354680
b: refs/heads/master
c: b2e587d
h: refs/heads/master
v: v3
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Praveen Paneri authored and Felipe Balbi committed Jan 18, 2013
1 parent 016fba3 commit 9df3a1f
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Showing 2 changed files with 28 additions and 11 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 337dc3a7684cf6577b5595b9bb96e1af06baec41
refs/heads/master: b2e587dbb7a7554b56d2f38e284ad975d2f00181
37 changes: 27 additions & 10 deletions trunk/drivers/usb/gadget/s3c-hsotg.c
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@

#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/usb/phy.h>
#include <linux/platform_data/s3c-hsotg.h>

#include <mach/map.h>
Expand Down Expand Up @@ -133,7 +134,9 @@ struct s3c_hsotg_ep {
* struct s3c_hsotg - driver state.
* @dev: The parent device supplied to the probe function
* @driver: USB gadget driver
* @plat: The platform specific configuration data.
* @phy: The otg phy transceiver structure for phy control.
* @plat: The platform specific configuration data. This can be removed once
* all SoCs support usb transceiver.
* @regs: The memory area mapped for accessing registers.
* @irq: The IRQ number we are using
* @supplies: Definition of USB power supplies
Expand All @@ -153,6 +156,7 @@ struct s3c_hsotg_ep {
struct s3c_hsotg {
struct device *dev;
struct usb_gadget_driver *driver;
struct usb_phy *phy;
struct s3c_hsotg_plat *plat;

spinlock_t lock;
Expand Down Expand Up @@ -2854,7 +2858,10 @@ 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)

if (hsotg->phy)
usb_phy_init(hsotg->phy);
else if (hsotg->plat->phy_init)
hsotg->plat->phy_init(pdev, hsotg->plat->phy_type);
}

Expand All @@ -2869,7 +2876,9 @@ static void s3c_hsotg_phy_disable(struct s3c_hsotg *hsotg)
{
struct platform_device *pdev = to_platform_device(hsotg->dev);

if (hsotg->plat->phy_exit)
if (hsotg->phy)
usb_phy_shutdown(hsotg->phy);
else if (hsotg->plat->phy_exit)
hsotg->plat->phy_exit(pdev, hsotg->plat->phy_type);
}

Expand Down Expand Up @@ -3493,6 +3502,7 @@ static void s3c_hsotg_release(struct device *dev)
static int s3c_hsotg_probe(struct platform_device *pdev)
{
struct s3c_hsotg_plat *plat = pdev->dev.platform_data;
struct usb_phy *phy;
struct device *dev = &pdev->dev;
struct s3c_hsotg_ep *eps;
struct s3c_hsotg *hsotg;
Expand All @@ -3501,20 +3511,27 @@ static int s3c_hsotg_probe(struct platform_device *pdev)
int ret;
int i;

plat = pdev->dev.platform_data;
if (!plat) {
dev_err(&pdev->dev, "no platform data defined\n");
return -EINVAL;
}

hsotg = devm_kzalloc(&pdev->dev, sizeof(struct s3c_hsotg), GFP_KERNEL);
if (!hsotg) {
dev_err(dev, "cannot get memory\n");
return -ENOMEM;
}

phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
if (IS_ERR_OR_NULL(phy)) {
/* Fallback for pdata */
plat = pdev->dev.platform_data;
if (!plat) {
dev_err(&pdev->dev, "no platform data or transceiver defined\n");
return -EPROBE_DEFER;
} else {
hsotg->plat = plat;
}
} else {
hsotg->phy = phy;
}

hsotg->dev = dev;
hsotg->plat = plat;

hsotg->clk = devm_clk_get(&pdev->dev, "otg");
if (IS_ERR(hsotg->clk)) {
Expand Down

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