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Diffstat (limited to 'target/linux/layerscape/patches-4.4/0057-PCI-designware-Add-default-link-up-check-if-sub-driv.patch')
-rw-r--r--target/linux/layerscape/patches-4.4/0057-PCI-designware-Add-default-link-up-check-if-sub-driv.patch46
1 files changed, 0 insertions, 46 deletions
diff --git a/target/linux/layerscape/patches-4.4/0057-PCI-designware-Add-default-link-up-check-if-sub-driv.patch b/target/linux/layerscape/patches-4.4/0057-PCI-designware-Add-default-link-up-check-if-sub-driv.patch
deleted file mode 100644
index 7114fbb3af..0000000000
--- a/target/linux/layerscape/patches-4.4/0057-PCI-designware-Add-default-link-up-check-if-sub-driv.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-From a0a4f406c7e90b2be66e88ea8b21699940c0823f Mon Sep 17 00:00:00 2001
-From: Joao Pinto <Joao.Pinto@synopsys.com>
-Date: Thu, 10 Mar 2016 14:44:44 -0600
-Subject: [PATCH 57/70] PCI: designware: Add default link up check if
- sub-driver doesn't override
-
-Add a default DesignWare "link_up" test for use when a sub-driver doesn't
-supply its own pcie_host_ops.link_up() method.
-
-[bhelgaas: changelog, split into its own patch]
-Signed-off-by: Joao Pinto <jpinto@synopsys.com>
-Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
-Acked-by: Pratyush Anand <pratyush.anand@gmail.com>
----
- drivers/pci/host/pcie-designware.c | 10 +++++++++-
- 1 file changed, 9 insertions(+), 1 deletion(-)
-
---- a/drivers/pci/host/pcie-designware.c
-+++ b/drivers/pci/host/pcie-designware.c
-@@ -70,6 +70,11 @@
- #define PCIE_ATU_FUNC(x) (((x) & 0x7) << 16)
- #define PCIE_ATU_UPPER_TARGET 0x91C
-
-+/* PCIe Port Logic registers */
-+#define PLR_OFFSET 0x700
-+#define PCIE_PHY_DEBUG_R1 (PLR_OFFSET + 0x2c)
-+#define PCIE_PHY_DEBUG_R1_LINK_UP 0x00000010
-+
- static struct pci_ops dw_pcie_ops;
-
- int dw_pcie_cfg_read(void __iomem *addr, int size, u32 *val)
-@@ -401,10 +406,13 @@ int dw_pcie_wait_for_link(struct pcie_po
-
- int dw_pcie_link_up(struct pcie_port *pp)
- {
-+ u32 val;
-+
- if (pp->ops->link_up)
- return pp->ops->link_up(pp);
-
-- return 0;
-+ val = readl(pp->dbi_base + PCIE_PHY_DEBUG_R1);
-+ return val & PCIE_PHY_DEBUG_R1_LINK_UP;
- }
-
- static int dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq,