void usb_phy_savecurrent(void) { /* to avoid hw access during clock-off */ unsigned long flags; int do_lock; do_lock = 0; usb_phy_savecurrent_internal(); /* to avoid deadlock, musb_shutdown will hold this clock too */ if (mtk_musb && !musb_is_shutting) { spin_lock_irqsave(&mtk_musb->lock, flags); do_lock = 1; } /* 4 14. turn off internal 48Mhz PLL. */ usb_enable_clock(false); if (do_lock) spin_unlock_irqrestore(&mtk_musb->lock, flags); DBG(0, "usb save current success\n"); }
void usb_phy_savecurrent(void){ usb_phy_savecurrent_internal(); //4 14. turn off internal 48Mhz PLL. usb_enable_clock(false); printk("usb save current success\n"); }
void usb_phy_context_restore(void) { #ifdef CONFIG_MTK_UART_USB_SWITCH if (in_uart_mode) usb_phy_switch_to_uart(); #endif usb_phy_savecurrent_internal(); }