openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[PATCH] USB: ehci fixups 

Rename the EHCI "reset" routine so it better matches what it does (setup);
and move the one-time data structure setup earlier, before doing anything
that implicitly relies on it having been completed already.

From: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
David Brownell 2005-11-28 08:40:38 -08:00 committed by Greg Kroah-Hartman
parent 8de9840265
commit 8926bfa746
1 changed files with 12 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/usb/host/ehci-pci.c
View File

@ -121,8 +121,8 @@ static int ehci_pci_reinit(struct ehci_hcd *ehci, struct pci_dev *pdev)
return 0;
}
/* called by khubd or root hub (re)init threads; leaves HC in halt state */
static int ehci_pci_reset(struct usb_hcd *hcd)
/* called during probe() after chip reset completes */
static int ehci_pci_setup(struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
@ -141,6 +141,11 @@ static int ehci_pci_reset(struct usb_hcd *hcd)
if (retval)
return retval;
/* data structure init */
retval = ehci_init(hcd);
if (retval)
return retval;
/* NOTE: only the parts below this line are PCI-specific */
switch (pdev->vendor) {
@ -154,7 +159,8 @@ static int ehci_pci_reset(struct usb_hcd *hcd)
/* AMD8111 EHCI doesn't work, according to AMD errata */
if (pdev->device == 0x7463) {
ehci_info(ehci, "ignoring AMD8111 (errata)\n");
return -EIO;
retval = -EIO;
goto done;
}
break;
case PCI_VENDOR_ID_NVIDIA:
@ -207,9 +213,8 @@ static int ehci_pci_reset(struct usb_hcd *hcd)
/* REVISIT: per-port wake capability (PCI 0x62) currently unused */
retval = ehci_pci_reinit(ehci, pdev);
/* finish init */
return ehci_init(hcd);
done:
return retval;
}
/*-------------------------------------------------------------------------*/
@ -344,7 +349,7 @@ static const struct hc_driver ehci_pci_hc_driver = {
/*
* basic lifecycle operations
*/
.reset = ehci_pci_reset,
.reset = ehci_pci_setup,
.start = ehci_run,
#ifdef CONFIG_PM
.suspend = ehci_pci_suspend,