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

This reverts commit 1996e6c572969a8cf6d7fa97eef621219acd94a9.

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>

3 files changed, 1 insertions, 9 deletions

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 5597e6099592..b100f5f9f4b6 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -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;
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 4baafa3e80b2..bc94d7bf072d 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -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 */
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 2a6652fd5400..2694ed6558d2 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -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)