openwrt/target/linux/apm821xx/patches-5.10/802-usb-xhci-force-msi-renesas-xhci.patch
Rui Salvaterra 8615573ac1 kernel: bump 5.10 to 5.10.38
Automatically refreshed:
apm821xx/patches-5.10/802-usb-xhci-force-msi-renesas-xhci.patch
generic/backport-5.10/610-v5.13-31-net-ethernet-mtk_eth_soc-fix-parsing-packets-in-GDM.patch
generic/backport-5.10/610-v5.13-32-net-ethernet-mtk_eth_soc-add-support-for-initializin.patch
generic/backport-5.10/610-v5.13-33-net-ethernet-mtk_eth_soc-add-flow-offloading-support.patch
generic/hack-5.10/204-module_strip.patch
generic/hack-5.10/911-kobject_add_broadcast_uevent.patch
ipq806x/patches-5.10/104-1-drivers-thermal-tsens-Add-VER_0-tsens-version.patch
ipq806x/patches-5.10/104-8-drivers-thermal-tsens-Add-support-for-ipq8064-tsens.patch

Deleted (reverse-appliable):
generic/backport-5.10/610-v5.13-37-net-ethernet-mtk_eth_soc-fix-RX-VLAN-offload.patch
ipq806x/patches-5.10/106-5.13-net-stmmac-Set-FIFO-sizes-for-ipq806x.patch

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
2021-05-22 21:54:17 +01:00

54 lines
1.6 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
@@ -265,6 +265,7 @@ static void xhci_pci_quirks(struct devic
pdev->device == 0x0015) {
xhci->quirks |= XHCI_RESET_ON_RESUME;
xhci->quirks |= XHCI_ZERO_64B_REGS;
+ xhci->quirks |= 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
@@ -427,10 +427,14 @@ 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
@@ -1887,6 +1887,7 @@ struct xhci_hcd {
struct xhci_hub usb2_rhub;
struct xhci_hub usb3_rhub;
/* support xHCI 1.0 spec USB2 hardware LPM */
+#define XHCI_FORCE_MSI (1 << 24)
unsigned hw_lpm_support:1;
/* Broken Suspend flag for SNPS Suspend resume issue */
unsigned broken_suspend:1;