mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-24 15:56:49 +00:00
41a881a8d9
Right patch version this time, sorry! * Patch 180-usb-xhci-add-support-for-performing-fake-doorbell.patch had to be adjusted slightly because of upstream adapted code. * Refreshed patches. Compile-tested: ramips/mt7621, x86/64 Run-tested: ramips/mt7621, x86/64 Signed-off-by: Stijn Segers <foss@volatilesystems.org> Tested-by: Rosen Penev <rosenp@gmail.com>
55 lines
1.7 KiB
Diff
55 lines
1.7 KiB
Diff
From a0dc613140bab907a3d5787a7ae7b0638bf674d0 Mon Sep 17 00:00:00 2001
|
|
From: Christian Lamparter <chunkeey@gmail.com>
|
|
Date: Thu, 23 Jun 2016 20:28:20 +0200
|
|
Subject: [PATCH] usb: xhci: force MSI for uPD720201 and
|
|
uPD720202
|
|
|
|
The APM82181 does not support MSI-X. When probed, it will
|
|
produce a noisy warning.
|
|
|
|
---
|
|
drivers/usb/host/pci-quirks.c | 362 ++++++++++++++++++++++++++++++++++++++++++
|
|
1 file changed, 362 insertions(+)
|
|
|
|
--- a/drivers/usb/host/xhci-pci.c
|
|
+++ b/drivers/usb/host/xhci-pci.c
|
|
@@ -199,7 +199,7 @@ static void xhci_pci_quirks(struct devic
|
|
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
|
|
if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
|
|
pdev->device == 0x0015)
|
|
- xhci->quirks |= XHCI_RESET_ON_RESUME;
|
|
+ xhci->quirks |= XHCI_RESET_ON_RESUME | XHCI_FORCE_MSI;
|
|
if (pdev->vendor == PCI_VENDOR_ID_VIA)
|
|
xhci->quirks |= XHCI_RESET_ON_RESUME;
|
|
|
|
--- a/drivers/usb/host/xhci.c
|
|
+++ b/drivers/usb/host/xhci.c
|
|
@@ -357,10 +357,14 @@ static int xhci_try_enable_msi(struct us
|
|
free_irq(hcd->irq, hcd);
|
|
hcd->irq = 0;
|
|
|
|
- ret = xhci_setup_msix(xhci);
|
|
- if (ret)
|
|
- /* fall back to msi*/
|
|
+ if (xhci->quirks & XHCI_FORCE_MSI) {
|
|
ret = xhci_setup_msi(xhci);
|
|
+ } else {
|
|
+ ret = xhci_setup_msix(xhci);
|
|
+ if (ret)
|
|
+ /* fall back to msi*/
|
|
+ ret = xhci_setup_msi(xhci);
|
|
+ }
|
|
|
|
if (!ret) {
|
|
hcd->msi_enabled = 1;
|
|
--- a/drivers/usb/host/xhci.h
|
|
+++ b/drivers/usb/host/xhci.h
|
|
@@ -1850,6 +1850,7 @@ struct xhci_hcd {
|
|
/* support xHCI 0.96 spec USB2 software LPM */
|
|
unsigned sw_lpm_support:1;
|
|
/* support xHCI 1.0 spec USB2 hardware LPM */
|
|
+#define XHCI_FORCE_MSI (1 << 24)
|
|
unsigned hw_lpm_support:1;
|
|
/* cached usb2 extened protocol capabilites */
|
|
u32 *ext_caps;
|