aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/apm821xx/patches-4.19/802-usb-xhci-force-msi-renesas-xhci.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/apm821xx/patches-4.19/802-usb-xhci-force-msi-renesas-xhci.patch')
-rw-r--r--target/linux/apm821xx/patches-4.19/802-usb-xhci-force-msi-renesas-xhci.patch53
1 files changed, 0 insertions, 53 deletions
diff --git a/target/linux/apm821xx/patches-4.19/802-usb-xhci-force-msi-renesas-xhci.patch b/target/linux/apm821xx/patches-4.19/802-usb-xhci-force-msi-renesas-xhci.patch
deleted file mode 100644
index 8ada844214..0000000000
--- a/target/linux/apm821xx/patches-4.19/802-usb-xhci-force-msi-renesas-xhci.patch
+++ /dev/null
@@ -1,53 +0,0 @@
-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
-@@ -218,6 +218,7 @@ 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
-@@ -422,10 +422,14 @@ 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
-@@ -1883,6 +1883,7 @@ 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;
- /* Broken Suspend flag for SNPS Suspend resume issue */
- unsigned broken_suspend:1;