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path: root/drivers/usb/musb/musb_virthub.c
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Diffstat (limited to 'drivers/usb/musb/musb_virthub.c')
-rw-r--r--drivers/usb/musb/musb_virthub.c46
1 files changed, 0 insertions, 46 deletions
diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
index a523950c2b32..d1d6b83aabca 100644
--- a/drivers/usb/musb/musb_virthub.c
+++ b/drivers/usb/musb/musb_virthub.c
@@ -44,52 +44,6 @@
44 44
45#include "musb_core.h" 45#include "musb_core.h"
46 46
47/*
48* Program the HDRC to start (enable interrupts, dma, etc.).
49*/
50static void musb_start(struct musb *musb)
51{
52 void __iomem *regs = musb->mregs;
53 u8 devctl = musb_readb(regs, MUSB_DEVCTL);
54
55 dev_dbg(musb->controller, "<== devctl %02x\n", devctl);
56
57 /* Set INT enable registers, enable interrupts */
58 musb->intrtxe = musb->epmask;
59 musb_writew(regs, MUSB_INTRTXE, musb->intrtxe);
60 musb->intrrxe = musb->epmask & 0xfffe;
61 musb_writew(regs, MUSB_INTRRXE, musb->intrrxe);
62 musb_writeb(regs, MUSB_INTRUSBE, 0xf7);
63
64 musb_writeb(regs, MUSB_TESTMODE, 0);
65
66 /* put into basic highspeed mode and start session */
67 musb_writeb(regs, MUSB_POWER, MUSB_POWER_ISOUPDATE
68 | MUSB_POWER_HSENAB
69 /* ENSUSPEND wedges tusb */
70 /* | MUSB_POWER_ENSUSPEND */
71 );
72
73 musb->is_active = 0;
74 devctl = musb_readb(regs, MUSB_DEVCTL);
75 devctl &= ~MUSB_DEVCTL_SESSION;
76
77 /* session started after:
78 * (a) ID-grounded irq, host mode;
79 * (b) vbus present/connect IRQ, peripheral mode;
80 * (c) peripheral initiates, using SRP
81 */
82 if (musb->port_mode != MUSB_PORT_MODE_HOST &&
83 (devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) {
84 musb->is_active = 1;
85 } else {
86 devctl |= MUSB_DEVCTL_SESSION;
87 }
88
89 musb_platform_enable(musb);
90 musb_writeb(regs, MUSB_DEVCTL, devctl);
91}
92
93static void musb_port_suspend(struct musb *musb, bool do_suspend) 47static void musb_port_suspend(struct musb *musb, bool do_suspend)
94{ 48{
95 struct usb_otg *otg = musb->xceiv->otg; 49 struct usb_otg *otg = musb->xceiv->otg;