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Commit 224acb18 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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Revert "USB: musb: blackfin: pm: make it work"



This reverts commit 1e393c6e.

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

Acked-by: default avatarFelipe Balbi <balbi@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent b0c3844d
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+23 −49
Original line number Diff line number Diff line
@@ -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);
+1 −1
Original line number Diff line number Diff line
@@ -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,