On Mon, 4 Apr 2016, Navin P.S wrote:
> I was proposing something like the attached.
> When you have an oppurtunity to fix or be complaint let us use that so.
>
> I finally leave this here for you to accept or reject.
It's hard to comment on attachments. You should put your patches in
the body of the email.
Here's your patch:
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index ffc9029..8e7e4a7 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -872,9 +872,8 @@ int ehci_hub_control(
) {
struct ehci_hcd *ehci = hcd_to_ehci (hcd);
int ports = HCS_N_PORTS (ehci->hcs_params);
- u32 __iomem *status_reg = &ehci->regs->port_status[
- (wIndex & 0xff) - 1];
- u32 __iomem *hostpc_reg = &ehci->regs->hostpc[(wIndex & 0xff) - 1];
+ u32 __iomem *status_reg = NULL;
+ u32 __iomem *hostpc_reg = NULL;
u32 temp, temp1, status;
unsigned long flags;
int retval = 0;
@@ -902,6 +901,9 @@ int ehci_hub_control(
case ClearPortFeature:
if (!wIndex || wIndex > ports)
goto error;
+
+ status_reg = &ehci->regs->port_status[ (wIndex & 0xff) - 1];
+ hostpc_reg = &ehci->regs->hostpc[(wIndex & 0xff) - 1];
wIndex--;
temp = ehci_readl(ehci, status_reg);
temp &= ~PORT_RWC_BITS;
@@ -990,6 +992,8 @@ int ehci_hub_control(
case GetPortStatus:
if (!wIndex || wIndex > ports)
goto error;
+ status_reg = &ehci->regs->port_status[ (wIndex & 0xff) - 1];
+ hostpc_reg = &ehci->regs->hostpc[(wIndex & 0xff) - 1];
wIndex--;
status = 0;
temp = ehci_readl(ehci, status_reg);
@@ -1159,6 +1163,8 @@ int ehci_hub_control(
}
if (!wIndex || wIndex > ports)
goto error;
+ status_reg = &ehci->regs->port_status[ (wIndex & 0xff) - 1];
+ hostpc_reg = &ehci->regs->hostpc[(wIndex & 0xff) - 1];
wIndex--;
temp = ehci_readl(ehci, status_reg);
if (temp & PORT_OWNER)
You want to replace 2 statements with 8 statements that do exactly
the same thing? This does not seem like an improvement.
Alan Stern
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