diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2013-05-05 08:24:42 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-05-05 08:27:03 +0200 |
| commit | f99e44a7f3352d7131c7526207f153f13ec5acd4 (patch) | |
| tree | 0f448b21128c478053ee7f7765b865954c4eebe8 /drivers/usb/host/ehci-hub.c | |
| parent | fd29f424d458118f02e89596505c68a63dcb3007 (diff) | |
| parent | ce857229e0c3adc211944a13a5579ef84fd7b4af (diff) | |
Merge branch 'linus' into core/urgent
Update with Linus tree so fixes for the same can be applied.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 7d06e77f6c4f..9ab4a4d9768a 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -464,7 +464,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd) while (i--) { temp = ehci_readl(ehci, &ehci->regs->port_status [i]); if (test_bit(i, &resume_needed)) { - temp &= ~(PORT_RWC_BITS | PORT_RESUME); + temp &= ~(PORT_RWC_BITS | PORT_SUSPEND | PORT_RESUME); ehci_writel(ehci, temp, &ehci->regs->port_status [i]); ehci_vdbg (ehci, "resumed port %d\n", i + 1); } @@ -590,7 +590,7 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) u32 mask; int ports, i, retval = 1; unsigned long flags; - u32 ppcd = 0; + u32 ppcd = ~0; /* init status to no-changes */ buf [0] = 0; @@ -628,9 +628,10 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) for (i = 0; i < ports; i++) { /* leverage per-port change bits feature */ - if (ehci->has_ppcd && !(ppcd & (1 << i))) - continue; - temp = ehci_readl(ehci, &ehci->regs->port_status [i]); + if (ppcd & (1 << i)) + temp = ehci_readl(ehci, &ehci->regs->port_status[i]); + else + temp = 0; /* * Return status information even for ports with OWNER set. @@ -839,7 +840,8 @@ static int ehci_hub_control ( * power switching; they're allowed to just limit the * current. khubd will turn the power back on. */ - if ((temp & PORT_OC) && HCS_PPC(ehci->hcs_params)) { + if (((temp & PORT_OC) || (ehci->need_oc_pp_cycle)) + && HCS_PPC(ehci->hcs_params)) { ehci_writel(ehci, temp & ~(PORT_RWC_BITS | PORT_POWER), status_reg); @@ -870,10 +872,9 @@ static int ehci_hub_control ( usb_hcd_end_port_resume(&hcd->self, wIndex); /* stop resume signaling */ - temp = ehci_readl(ehci, status_reg); - ehci_writel(ehci, - temp & ~(PORT_RWC_BITS | PORT_RESUME), - status_reg); + temp &= ~(PORT_RWC_BITS | + PORT_SUSPEND | PORT_RESUME); + ehci_writel(ehci, temp, status_reg); clear_bit(wIndex, &ehci->resuming_ports); retval = handshake(ehci, status_reg, PORT_RESUME, 0, 2000 /* 2msec */); @@ -883,7 +884,7 @@ static int ehci_hub_control ( wIndex + 1, retval); goto error; } - temp &= ~(PORT_SUSPEND|PORT_RESUME|(3<<10)); + temp = ehci_readl(ehci, status_reg); } } |