bcm53xx: delete old kernel versions

[openwrt/openwrt.git] / target / linux / bcm53xx / patches-4.3 / 144-PCI-iproc-Improve-link-detection-logic.patch

diff --git a/target/linux/bcm53xx/patches-4.3/144-PCI-iproc-Improve-link-detection-logic.patch b/target/linux/bcm53xx/patches-4.3/144-PCI-iproc-Improve-link-detection-logic.patch
deleted file mode 100644 (file)
index 3fecba2..0000000
--- a/target/linux/bcm53xx/patches-4.3/144-PCI-iproc-Improve-link-detection-logic.patch
+++ /dev/null
@@ -1,84 +0,0 @@
-From aaf22ab4e916afa68a2e1aed4e913b76cbd58276 Mon Sep 17 00:00:00 2001
-From: Ray Jui <rjui@broadcom.com>
-Date: Tue, 15 Sep 2015 17:39:19 -0700
-Subject: [PATCH 144/147] PCI: iproc: Improve link detection logic
-
-Improve the link detection logic by explicitly querying the link status
-register to ensure link is active.
-
-Also force class to PCI_CLASS_BRIDGE_PCI (0x0604) through the host
-configuration space register.
-
-Signed-off-by: Ray Jui <rjui@broadcom.com>
-Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
-Reviewed-by: Anup Patel <anup.patel@broadcom.com>
-Reviewed-by: Scott Branden <sbranden@broadcom.com>
----
- drivers/pci/host/pcie-iproc.c | 29 +++++++++++++++++++++++------
- 1 file changed, 23 insertions(+), 6 deletions(-)
-
---- a/drivers/pci/host/pcie-iproc.c
-+++ b/drivers/pci/host/pcie-iproc.c
-@@ -60,6 +60,12 @@
- #define SYS_RC_INTX_EN               0x330
- #define SYS_RC_INTX_MASK             0xf
- 
-+#define PCIE_LINK_STATUS_OFFSET      0xf0c
-+#define PCIE_PHYLINKUP_SHIFT         3
-+#define PCIE_PHYLINKUP               BIT(PCIE_PHYLINKUP_SHIFT)
-+#define PCIE_DL_ACTIVE_SHIFT         2
-+#define PCIE_DL_ACTIVE               BIT(PCIE_DL_ACTIVE_SHIFT)
-+
- static inline struct iproc_pcie *iproc_data(struct pci_bus *bus)
- {
-       struct iproc_pcie *pcie;
-@@ -138,9 +144,15 @@ static void iproc_pcie_reset(struct ipro
- static int iproc_pcie_check_link(struct iproc_pcie *pcie, struct pci_bus *bus)
- {
-       u8 hdr_type;
--      u32 link_ctrl;
-+      u32 link_ctrl, class, val;
-       u16 pos, link_status;
--      int link_is_active = 0;
-+      bool link_is_active = false;
-+
-+      val = readl(pcie->base + PCIE_LINK_STATUS_OFFSET);
-+      if (!(val & PCIE_PHYLINKUP) || !(val & PCIE_DL_ACTIVE)) {
-+              dev_err(pcie->dev, "PHY or data link is INACTIVE!\n");
-+              return -ENODEV;
-+      }
- 
-       /* make sure we are not in EP mode */
-       pci_bus_read_config_byte(bus, 0, PCI_HEADER_TYPE, &hdr_type);
-@@ -150,14 +162,19 @@ static int iproc_pcie_check_link(struct
-       }
- 
-       /* force class to PCI_CLASS_BRIDGE_PCI (0x0604) */
--      pci_bus_write_config_word(bus, 0, PCI_CLASS_DEVICE,
--                                PCI_CLASS_BRIDGE_PCI);
-+#define PCI_BRIDGE_CTRL_REG_OFFSET 0x43c
-+#define PCI_CLASS_BRIDGE_MASK      0xffff00
-+#define PCI_CLASS_BRIDGE_SHIFT     8
-+      pci_bus_read_config_dword(bus, 0, PCI_BRIDGE_CTRL_REG_OFFSET, &class);
-+      class &= ~PCI_CLASS_BRIDGE_MASK;
-+      class |= (PCI_CLASS_BRIDGE_PCI << PCI_CLASS_BRIDGE_SHIFT);
-+      pci_bus_write_config_dword(bus, 0, PCI_BRIDGE_CTRL_REG_OFFSET, class);
- 
-       /* check link status to see if link is active */
-       pos = pci_bus_find_capability(bus, 0, PCI_CAP_ID_EXP);
-       pci_bus_read_config_word(bus, 0, pos + PCI_EXP_LNKSTA, &link_status);
-       if (link_status & PCI_EXP_LNKSTA_NLW)
--              link_is_active = 1;
-+              link_is_active = true;
- 
-       if (!link_is_active) {
-               /* try GEN 1 link speed */
-@@ -181,7 +198,7 @@ static int iproc_pcie_check_link(struct
-                       pci_bus_read_config_word(bus, 0, pos + PCI_EXP_LNKSTA,
-                                                &link_status);
-                       if (link_status & PCI_EXP_LNKSTA_NLW)
--                              link_is_active = 1;
-+                              link_is_active = true;
-               }
-       }
-