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Revert "USB: EHCI: work around bug in the Philips ISP1562 controller" 

This reverts commit 1996e6c572.

It turned out to not be needed, now that the real fix has been
committed.

Reported-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2012-05-21 08:54:43 -07:00
parent d3ad558fcd
commit 8e192910d9
3 changed files with 1 additions and 9 deletions
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2
drivers/usb/host/ehci-hcd.c
View File

@ -638,7 +638,7 @@ static int ehci_init(struct usb_hcd *hcd)
INIT_LIST_HEAD(&ehci->cached_itd_list);
INIT_LIST_HEAD(&ehci->cached_sitd_list);
if (HCC_PGM_FRAMELISTLEN(hcc_params) && !ehci->sched_size_bug) {
if (HCC_PGM_FRAMELISTLEN(hcc_params)) {
/* periodic schedule size can be smaller than default */
switch (EHCI_TUNE_FLS) {
case 0: ehci->periodic_size = 1024; break;

7
drivers/usb/host/ehci-pci.c
View File

@ -97,13 +97,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
break;
}
break;
case PCI_VENDOR_ID_PHILIPS:
/*
* Philips controllers set HCC_PGM_FRAMELISTLEN, but
* they don't implement schedule sizes shorter than 1024.
*/
ehci->sched_size_bug = 1;
}
/* cache this readonly data; minimize chip reads */

1
drivers/usb/host/ehci.h
View File

@ -149,7 +149,6 @@ struct ehci_hcd { /* one per controller */
unsigned use_dummy_qh:1; /* AMD Frame List table quirk*/
unsigned has_synopsys_hc_bug:1; /* Synopsys HC */
unsigned frame_index_bug:1; /* MosChip (AKA NetMos) */
unsigned sched_size_bug:1; /* Philips */
/* required for usb32 quirk */
#define OHCI_CTRL_HCFS (3 << 6)