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b92ec82235
Removed upstreamed: generic/backport-5.10/350-v5.18-MIPS-pgalloc-fix-memory-leak-caused-by-pgd_free.patch generic/pending-5.10/850-0014-PCI-aardvark-Fix-reading-PCI_EXP_RTSTA_PME-bit-on-em.patch ipq40xx/patches-5.10/105-ipq40xx-fix-sleep-clock.patch All patches automatically rebased. Build system: x86_64 Build-tested: bcm2711/RPi4B, mt7622/RT3200 Run-tested: bcm2711/RPi4B, mt7622/RT3200 Compile-/run-tested: ath79/generic (Archer C7 v2). Signed-off-by: John Audia <graysky@archlinux.us>
54 lines
1.6 KiB
Diff
54 lines
1.6 KiB
Diff
From a0dc613140bab907a3d5787a7ae7b0638bf674d0 Mon Sep 17 00:00:00 2001
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From: Christian Lamparter <chunkeey@gmail.com>
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Date: Thu, 23 Jun 2016 20:28:20 +0200
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Subject: [PATCH] usb: xhci: force MSI for uPD720201 and
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uPD720202
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The APM82181 does not support MSI-X. When probed, it will
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produce a noisy warning.
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---
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drivers/usb/host/pci-quirks.c | 362 ++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 362 insertions(+)
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--- a/drivers/usb/host/xhci-pci.c
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+++ b/drivers/usb/host/xhci-pci.c
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@@ -279,6 +279,7 @@ static void xhci_pci_quirks(struct devic
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pdev->device == 0x0015) {
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xhci->quirks |= XHCI_RESET_ON_RESUME;
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xhci->quirks |= XHCI_ZERO_64B_REGS;
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+ xhci->quirks |= XHCI_FORCE_MSI;
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}
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if (pdev->vendor == PCI_VENDOR_ID_VIA)
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xhci->quirks |= XHCI_RESET_ON_RESUME;
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--- a/drivers/usb/host/xhci.c
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+++ b/drivers/usb/host/xhci.c
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@@ -425,10 +425,14 @@ static int xhci_try_enable_msi(struct us
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free_irq(hcd->irq, hcd);
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hcd->irq = 0;
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- ret = xhci_setup_msix(xhci);
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- if (ret)
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- /* fall back to msi*/
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+ if (xhci->quirks & XHCI_FORCE_MSI) {
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ret = xhci_setup_msi(xhci);
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+ } else {
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+ ret = xhci_setup_msix(xhci);
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+ if (ret)
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+ /* fall back to msi*/
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+ ret = xhci_setup_msi(xhci);
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+ }
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if (!ret) {
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hcd->msi_enabled = 1;
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--- a/drivers/usb/host/xhci.h
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+++ b/drivers/usb/host/xhci.h
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@@ -1895,6 +1895,7 @@ struct xhci_hcd {
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struct xhci_hub usb2_rhub;
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struct xhci_hub usb3_rhub;
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/* support xHCI 1.0 spec USB2 hardware LPM */
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+#define XHCI_FORCE_MSI (1 << 24)
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unsigned hw_lpm_support:1;
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/* Broken Suspend flag for SNPS Suspend resume issue */
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unsigned broken_suspend:1;
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