diff options
| author | Jens Axboe <axboe@kernel.dk> | 2011-10-19 14:30:42 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2011-10-19 14:30:42 +0200 |
| commit | 5c04b426f2e8b46cfc7969a35b2631063a3c646c (patch) | |
| tree | 2d27d9f5d2fe5d5e8fbc01a467ec58bcb50235c1 /drivers/usb/host/ehci-hub.c | |
| parent | 499337bb6511e665a236a6a947f819d98ea340c6 (diff) | |
| parent | 899e3ee404961a90b828ad527573aaaac39f0ab1 (diff) | |
| download | linux-5c04b426f2e8b46cfc7969a35b2631063a3c646c.tar.gz | |
Merge branch 'v3.1-rc10' into for-3.2/core
Conflicts: block/blk-core.c include/linux/blkdev.h Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index bf2c8f65e1ae..4c32cb19b405 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -343,7 +343,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd) u32 temp; u32 power_okay; int i; - u8 resume_needed = 0; + unsigned long resume_needed = 0; if (time_before (jiffies, ehci->next_statechange)) msleep(5); @@ -416,7 +416,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd) if (test_bit(i, &ehci->bus_suspended) && (temp & PORT_SUSPEND)) { temp |= PORT_RESUME; - resume_needed = 1; + set_bit(i, &resume_needed); } ehci_writel(ehci, temp, &ehci->regs->port_status [i]); } @@ -431,8 +431,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd) i = HCS_N_PORTS (ehci->hcs_params); while (i--) { temp = ehci_readl(ehci, &ehci->regs->port_status [i]); - if (test_bit(i, &ehci->bus_suspended) && - (temp & PORT_SUSPEND)) { + if (test_bit(i, &resume_needed)) { temp &= ~(PORT_RWC_BITS | PORT_RESUME); ehci_writel(ehci, temp, &ehci->regs->port_status [i]); ehci_vdbg (ehci, "resumed port %d\n", i + 1); @@ -1046,7 +1045,19 @@ static int ehci_hub_control ( if (!selector || selector > 5) goto error; ehci_quiesce(ehci); + + /* Put all enabled ports into suspend */ + while (ports--) { + u32 __iomem *sreg = + &ehci->regs->port_status[ports]; + + temp = ehci_readl(ehci, sreg) & ~PORT_RWC_BITS; + if (temp & PORT_PE) + ehci_writel(ehci, temp | PORT_SUSPEND, + sreg); + } ehci_halt(ehci); + temp = ehci_readl(ehci, status_reg); temp |= selector << 16; ehci_writel(ehci, temp, status_reg); break; |