Revert "[cns3xxx]: clean up PCI bus topology" (r35079)
authorFelix Fietkau <nbd@openwrt.org>
Sat, 2 Mar 2013 00:32:54 +0000 (00:32 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Sat, 2 Mar 2013 00:32:54 +0000 (00:32 +0000)
It breaks PCIe IRQ mapping and possibly other things

SVN-Revision: 35842

target/linux/cns3xxx/patches-3.3/066-pcie_bus_topology.patch [deleted file]

diff --git a/target/linux/cns3xxx/patches-3.3/066-pcie_bus_topology.patch b/target/linux/cns3xxx/patches-3.3/066-pcie_bus_topology.patch
deleted file mode 100644 (file)
index 269a0fb..0000000
+++ /dev/null
@@ -1,27 +0,0 @@
---- a/arch/arm/mach-cns3xxx/pcie.c
-+++ b/arch/arm/mach-cns3xxx/pcie.c
-@@ -79,9 +79,11 @@ static void __iomem *cns3xxx_pci_cfg_bas
-        * the first device on the same bus as the CNS PCI bridge.
-        */
-       if (busno == 0) {
--              if (slot > 1)
-+              if (slot > 0)
-                       return NULL;
-               type = slot;
-+      } else if (busno == 1) {
-+              type = CNS3XXX_CFG0_TYPE;
-       } else {
-               type = CNS3XXX_CFG1_TYPE;
-       }
-@@ -428,8 +430,9 @@ static void __init cns3xxx_pcie_hw_init(
-       if (!cnspci->linked)
-               return;
--      /* Set Device Max_Read_Request_Size to 128 byte */
--      devfn = PCI_DEVFN(1, 0);
-+      /* Configure Root Complex: Set Device Max_Read_Request_Size to 128 byte */
-+      bus.number = 1;
-+      devfn = PCI_DEVFN(0, 0);
-       pos = pci_bus_find_capability(&bus, devfn, PCI_CAP_ID_EXP);
-       pci_bus_read_config_word(&bus, devfn, pos + PCI_EXP_DEVCTL, &dc);
-       dc &= ~(0x3 << 12);     /* Clear Device Control Register [14:12] */