diff options
| author | Daniel Mack <zonque@gmail.com> | 2013-04-10 21:55:44 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-05-28 19:22:22 +0300 |
| commit | 69ae2a70bfabbd6af6309bf723ec76493512dba1 (patch) | |
| tree | 08395fb9c8b77a564261e9d94226c4476a5f879a /drivers/usb/musb | |
| parent | fe4cb0912f8e737f8e4b8b38b9e692f8062f5423 (diff) | |
| download | linux-stable-69ae2a70bfabbd6af6309bf723ec76493512dba1.tar.gz linux-stable-69ae2a70bfabbd6af6309bf723ec76493512dba1.tar.bz2 linux-stable-69ae2a70bfabbd6af6309bf723ec76493512dba1.zip | |
usb: musb: move musb_start to musb_virthub.c
This function has its only user in musb_virthub.c, so let's move it
there and make it static.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb')
| -rw-r--r-- | drivers/usb/musb/musb_core.c | 45 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_core.h | 1 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_virthub.c | 44 |
3 files changed, 44 insertions, 46 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index bd14fed44af1..8b50cd9b5297 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -897,51 +897,6 @@ b_host: /*-------------------------------------------------------------------------*/ -/* -* Program the HDRC to start (enable interrupts, dma, etc.). -*/ -void musb_start(struct musb *musb) -{ - void __iomem *regs = musb->mregs; - u8 devctl = musb_readb(regs, MUSB_DEVCTL); - - dev_dbg(musb->controller, "<== devctl %02x\n", devctl); - - /* Set INT enable registers, enable interrupts */ - musb->intrtxe = musb->epmask; - musb_writew(regs, MUSB_INTRTXE, musb->intrtxe); - musb->intrrxe = musb->epmask & 0xfffe; - musb_writew(regs, MUSB_INTRRXE, musb->intrrxe); - musb_writeb(regs, MUSB_INTRUSBE, 0xf7); - - musb_writeb(regs, MUSB_TESTMODE, 0); - - /* put into basic highspeed mode and start session */ - musb_writeb(regs, MUSB_POWER, MUSB_POWER_ISOUPDATE - | MUSB_POWER_HSENAB - /* ENSUSPEND wedges tusb */ - /* | MUSB_POWER_ENSUSPEND */ - ); - - musb->is_active = 0; - devctl = musb_readb(regs, MUSB_DEVCTL); - devctl &= ~MUSB_DEVCTL_SESSION; - - /* session started after: - * (a) ID-grounded irq, host mode; - * (b) vbus present/connect IRQ, peripheral mode; - * (c) peripheral initiates, using SRP - */ - if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) - musb->is_active = 1; - else - devctl |= MUSB_DEVCTL_SESSION; - - musb_platform_enable(musb); - musb_writeb(regs, MUSB_DEVCTL, devctl); -} - - static void musb_generic_disable(struct musb *musb) { void __iomem *mbase = musb->mregs; diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 0193dc9f4351..e981b9bb3739 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -502,7 +502,6 @@ static inline void musb_configure_ep0(struct musb *musb) extern const char musb_driver_name[]; -extern void musb_start(struct musb *musb); extern void musb_stop(struct musb *musb); extern void musb_write_fifo(struct musb_hw_ep *ep, u16 len, const u8 *src); diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index 17c6c0da77db..47ee430a13c9 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -44,6 +44,50 @@ #include "musb_core.h" +/* +* Program the HDRC to start (enable interrupts, dma, etc.). +*/ +static void musb_start(struct musb *musb) +{ + void __iomem *regs = musb->mregs; + u8 devctl = musb_readb(regs, MUSB_DEVCTL); + + dev_dbg(musb->controller, "<== devctl %02x\n", devctl); + + /* Set INT enable registers, enable interrupts */ + musb->intrtxe = musb->epmask; + musb_writew(regs, MUSB_INTRTXE, musb->intrtxe); + musb->intrrxe = musb->epmask & 0xfffe; + musb_writew(regs, MUSB_INTRRXE, musb->intrrxe); + musb_writeb(regs, MUSB_INTRUSBE, 0xf7); + + musb_writeb(regs, MUSB_TESTMODE, 0); + + /* put into basic highspeed mode and start session */ + musb_writeb(regs, MUSB_POWER, MUSB_POWER_ISOUPDATE + | MUSB_POWER_HSENAB + /* ENSUSPEND wedges tusb */ + /* | MUSB_POWER_ENSUSPEND */ + ); + + musb->is_active = 0; + devctl = musb_readb(regs, MUSB_DEVCTL); + devctl &= ~MUSB_DEVCTL_SESSION; + + /* session started after: + * (a) ID-grounded irq, host mode; + * (b) vbus present/connect IRQ, peripheral mode; + * (c) peripheral initiates, using SRP + */ + if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) { + musb->is_active = 1; + } else { + devctl |= MUSB_DEVCTL_SESSION; + } + + musb_platform_enable(musb); + musb_writeb(regs, MUSB_DEVCTL, devctl); +} static void musb_port_suspend(struct musb *musb, bool do_suspend) { |