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Revert "USB: musb: blackfin: pm: make it work"

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This reverts commit 1e393c6eec.

Needed to properly merge the musb changes that are in the
usb-next branch into Linus's tree.

Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2010-12-16 10:03:27 -08:00
parent b0c3844d8a
commit 224acb1839
2 changed files with 24 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
drivers/usb/musb/blackfin.c
View File

@ -324,8 +324,30 @@ int musb_platform_set_mode(struct musb *musb, u8 musb_mode)
return -EIO;
}
static void musb_platform_reg_init(struct musb *musb)
int __init musb_platform_init(struct musb *musb, void *board_data)
{
/*
* Rev 1.0 BF549 EZ-KITs require PE7 to be high for both DEVICE
* and OTG HOST modes, while rev 1.1 and greater require PE7 to
* be low for DEVICE mode and high for HOST mode. We set it high
* here because we are in host mode
*/
if (gpio_request(musb->config->gpio_vrsel, "USB_VRSEL")) {
printk(KERN_ERR "Failed ro request USB_VRSEL GPIO_%d \n",
musb->config->gpio_vrsel);
return -ENODEV;
}
gpio_direction_output(musb->config->gpio_vrsel, 0);
usb_nop_xceiv_register();
musb->xceiv = otg_get_transceiver();
if (!musb->xceiv) {
gpio_free(musb->config->gpio_vrsel);
return -ENODEV;
}
if (ANOMALY_05000346) {
bfin_write_USB_APHY_CALIB(ANOMALY_05000346_value);
SSYNC();
@ -360,33 +382,6 @@ static void musb_platform_reg_init(struct musb *musb)
EP2_RX_ENA | EP3_RX_ENA | EP4_RX_ENA |
EP5_RX_ENA | EP6_RX_ENA | EP7_RX_ENA);
SSYNC();
}
int __init musb_platform_init(struct musb *musb, void *board_data)
{
/*
* Rev 1.0 BF549 EZ-KITs require PE7 to be high for both DEVICE
* and OTG HOST modes, while rev 1.1 and greater require PE7 to
* be low for DEVICE mode and high for HOST mode. We set it high
* here because we are in host mode
*/
if (gpio_request(musb->config->gpio_vrsel, "USB_VRSEL")) {
printk(KERN_ERR "Failed ro request USB_VRSEL GPIO_%d\n",
musb->config->gpio_vrsel);
return -ENODEV;
}
gpio_direction_output(musb->config->gpio_vrsel, 0);
usb_nop_xceiv_register();
musb->xceiv = otg_get_transceiver();
if (!musb->xceiv) {
gpio_free(musb->config->gpio_vrsel);
return -ENODEV;
}
musb_platform_reg_init(musb);
if (is_host_enabled(musb)) {
musb->board_set_vbus = bfin_set_vbus;
@ -401,27 +396,6 @@ int __init musb_platform_init(struct musb *musb, void *board_data)
return 0;
}
#ifdef CONFIG_PM
void musb_platform_save_context(struct musb *musb,
struct musb_context_registers *musb_context)
{
if (is_host_active(musb))
/*
* During hibernate gpio_vrsel will change from high to low
* low which will generate wakeup event resume the system
* immediately. Set it to 0 before hibernate to avoid this
* wakeup event.
*/
gpio_set_value(musb->config->gpio_vrsel, 0);
}
void musb_platform_restore_context(struct musb *musb,
struct musb_context_registers *musb_context)
{
musb_platform_reg_init(musb);
}
#endif
int musb_platform_exit(struct musb *musb)
{
gpio_free(musb->config->gpio_vrsel);

2
drivers/usb/musb/musb_core.h
View File

@ -487,7 +487,7 @@ struct musb_context_registers {
};
#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \
defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_BLACKFIN)
defined(CONFIG_ARCH_OMAP4)
extern void musb_platform_save_context(struct musb *musb,
struct musb_context_registers *musb_context);
extern void musb_platform_restore_context(struct musb *musb,