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usb:hsotg:samsung: Wrappers for USB PHY methods

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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>
This commit is contained in:
Lukasz Majewski 2012-05-04 14:17:01 +02:00 committed by Felipe Balbi
parent d77039c111
commit 4118878697
1 changed files with 43 additions and 5 deletions
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48
drivers/usb/gadget/s3c-hsotg.c
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@ -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 @@ static int s3c_hsotg_corereset(struct s3c_hsotg *hsotg)
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 @@ static void __devexit s3c_hsotg_delete_debug(struct s3c_hsotg *hsotg)
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 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
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 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
clk_enable(hsotg->clk);
/* usb phy enable */
s3c_hsotg_phy_enable(hsotg);
s3c_hsotg_corereset(hsotg);
s3c_hsotg_init(hsotg);
@ -3337,6 +3372,8 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
return 0;
err_add_udc:
s3c_hsotg_phy_disable(hsotg);
clk_disable(hsotg->clk);
clk_put(hsotg->clk);
@ -3369,6 +3406,7 @@ static int __devexit s3c_hsotg_remove(struct platform_device *pdev)
release_resource(hsotg->regs_res);
kfree(hsotg->regs_res);
s3c_hsotg_phy_disable(hsotg);
clk_disable(hsotg->clk);
clk_put(hsotg->clk);