summaryrefslogtreecommitdiffstats
path: root/drivers/usb/host/ehci-hub.c
diff options
context:
space:
mode:
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
commit12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch)
treef91479a62805619168994fd3ee55e3ffa23fc24e /drivers/usb/host/ehci-hub.c
parent9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff)
parentf722406faae2d073cc1d01063d1123c35425939e (diff)
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1 * tag 'v3.10-rc1': (12273 commits) Linux 3.10-rc1 [SCSI] qla2xxx: Update firmware link in Kconfig file. [SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used [SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type [SCSI] pm80xx: thermal, sas controller config and error handling update [SCSI] pm80xx: NCQ error handling changes [SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers [SCSI] pm80xx: Changed module name and debug messages update [SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it [SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone [SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files [SCSI] pm80xx: MSI-X implementation for using 64 interrupts [SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve [SCSI] pm80xx: Multiple inbound/outbound queue configuration [SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC [SCSI] lpfc: fix up Kconfig dependencies [SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd dm cache: set config value dm cache: move config fns dm thin: generate event when metadata threshold passed ...
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
-rw-r--r--drivers/usb/host/ehci-hub.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 7d06e77f6c4..9ab4a4d9768 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);
}
}