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path: root/drivers/usb/host/isp116x-hcd.c
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Diffstat (limited to 'drivers/usb/host/isp116x-hcd.c')
-rw-r--r--drivers/usb/host/isp116x-hcd.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 0130fd8..d7071c8 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -911,8 +911,7 @@ static int isp116x_hub_status_data(struct usb_hcd *hcd, char *buf)
buf[0] = 0;
for (i = 0; i < ports; i++) {
- u32 status = isp116x->rhport[i] =
- isp116x_read_reg32(isp116x, i ? HCRHPORT2 : HCRHPORT1);
+ u32 status = isp116x_read_reg32(isp116x, i ? HCRHPORT2 : HCRHPORT1);
if (status & (RH_PS_CSC | RH_PS_PESC | RH_PS_PSSC
| RH_PS_OCIC | RH_PS_PRSC)) {
@@ -1031,7 +1030,9 @@ static int isp116x_hub_control(struct usb_hcd *hcd,
DBG("GetPortStatus\n");
if (!wIndex || wIndex > ports)
goto error;
- tmp = isp116x->rhport[--wIndex];
+ spin_lock_irqsave(&isp116x->lock, flags);
+ tmp = isp116x_read_reg32(isp116x, (--wIndex) ? HCRHPORT2 : HCRHPORT1);
+ spin_unlock_irqrestore(&isp116x->lock, flags);
*(__le32 *) buf = cpu_to_le32(tmp);
DBG("GetPortStatus: port[%d] %08x\n", wIndex + 1, tmp);
break;
@@ -1080,8 +1081,6 @@ static int isp116x_hub_control(struct usb_hcd *hcd,
spin_lock_irqsave(&isp116x->lock, flags);
isp116x_write_reg32(isp116x, wIndex
? HCRHPORT2 : HCRHPORT1, tmp);
- isp116x->rhport[wIndex] =
- isp116x_read_reg32(isp116x, wIndex ? HCRHPORT2 : HCRHPORT1);
spin_unlock_irqrestore(&isp116x->lock, flags);
break;
case SetPortFeature:
@@ -1095,24 +1094,22 @@ static int isp116x_hub_control(struct usb_hcd *hcd,
spin_lock_irqsave(&isp116x->lock, flags);
isp116x_write_reg32(isp116x, wIndex
? HCRHPORT2 : HCRHPORT1, RH_PS_PSS);
+ spin_unlock_irqrestore(&isp116x->lock, flags);
break;
case USB_PORT_FEAT_POWER:
DBG("USB_PORT_FEAT_POWER\n");
spin_lock_irqsave(&isp116x->lock, flags);
isp116x_write_reg32(isp116x, wIndex
? HCRHPORT2 : HCRHPORT1, RH_PS_PPS);
+ spin_unlock_irqrestore(&isp116x->lock, flags);
break;
case USB_PORT_FEAT_RESET:
DBG("USB_PORT_FEAT_RESET\n");
root_port_reset(isp116x, wIndex);
- spin_lock_irqsave(&isp116x->lock, flags);
break;
default:
goto error;
}
- isp116x->rhport[wIndex] =
- isp116x_read_reg32(isp116x, wIndex ? HCRHPORT2 : HCRHPORT1);
- spin_unlock_irqrestore(&isp116x->lock, flags);
break;
default:
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