diff options
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 360712207262..40f7391bf2aa 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -145,6 +145,16 @@ static int handshake (struct ehci_hcd *ehci, void __iomem *ptr, return -ETIMEDOUT; } +static int handshake_on_error_set_halt(struct ehci_hcd *ehci, void __iomem *ptr, + u32 mask, u32 done, int usec) +{ + int error = handshake(ehci, ptr, mask, done, usec); + if (error) + ehci_to_hcd(ehci)->state = HC_STATE_HALT; + + return error; +} + /* force HC to halt state from unknown (EHCI spec section 2.3) */ static int ehci_halt (struct ehci_hcd *ehci) { @@ -217,11 +227,9 @@ static void ehci_quiesce (struct ehci_hcd *ehci) /* wait for any schedule enables/disables to take effect */ temp = ehci_readl(ehci, &ehci->regs->command) << 10; temp &= STS_ASS | STS_PSS; - if (handshake (ehci, &ehci->regs->status, STS_ASS | STS_PSS, - temp, 16 * 125) != 0) { - ehci_to_hcd(ehci)->state = HC_STATE_HALT; + if (handshake_on_error_set_halt(ehci, &ehci->regs->status, + STS_ASS | STS_PSS, temp, 16 * 125)) return; - } /* then disable anything that's still active */ temp = ehci_readl(ehci, &ehci->regs->command); @@ -229,11 +237,8 @@ static void ehci_quiesce (struct ehci_hcd *ehci) ehci_writel(ehci, temp, &ehci->regs->command); /* hardware can take 16 microframes to turn off ... */ - if (handshake (ehci, &ehci->regs->status, STS_ASS | STS_PSS, - 0, 16 * 125) != 0) { - ehci_to_hcd(ehci)->state = HC_STATE_HALT; - return; - } + handshake_on_error_set_halt(ehci, &ehci->regs->status, + STS_ASS | STS_PSS, 0, 16 * 125); } /*-------------------------------------------------------------------------*/ |
