apm821xx: remove 4.4 kernel support
[openwrt/staging/lynxis/omap.git] / target / linux / apm821xx / patches-4.4 / 802-usb-xhci-force-msi-renesas-xhci.patch
diff --git a/target/linux/apm821xx/patches-4.4/802-usb-xhci-force-msi-renesas-xhci.patch b/target/linux/apm821xx/patches-4.4/802-usb-xhci-force-msi-renesas-xhci.patch
deleted file mode 100644 (file)
index 5395cab..0000000
+++ /dev/null
@@ -1,54 +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
-@@ -185,7 +185,7 @@ static void xhci_pci_quirks(struct devic
-       }
-       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
-@@ -388,10 +388,14 @@ 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->irq is 0, we have MSI */
---- a/drivers/usb/host/xhci.h
-+++ b/drivers/usb/host/xhci.h
-@@ -1652,6 +1652,7 @@ 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;