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Diffstat (limited to 'target/linux/ipq806x/patches-4.19/0071-7-pcie-Set-PCIE-MRRS-and-MPS-to-256B.patch')
-rw-r--r--target/linux/ipq806x/patches-4.19/0071-7-pcie-Set-PCIE-MRRS-and-MPS-to-256B.patch69
1 files changed, 0 insertions, 69 deletions
diff --git a/target/linux/ipq806x/patches-4.19/0071-7-pcie-Set-PCIE-MRRS-and-MPS-to-256B.patch b/target/linux/ipq806x/patches-4.19/0071-7-pcie-Set-PCIE-MRRS-and-MPS-to-256B.patch
deleted file mode 100644
index e7b5b6f9af..0000000000
--- a/target/linux/ipq806x/patches-4.19/0071-7-pcie-Set-PCIE-MRRS-and-MPS-to-256B.patch
+++ /dev/null
@@ -1,69 +0,0 @@
-From edff8f777c6321ca89bb950a382f409c4a126e28 Mon Sep 17 00:00:00 2001
-From: Gokul Sriram Palanisamy <gpalan@codeaurora.org>
-Date: Thu, 15 Dec 2016 17:38:18 +0530
-Subject: pcie: Set PCIE MRRS and MPS to 256B
-
-Set Max Read Request Size and Max Payload Size to 256 bytes,
-per chip team recommendation.
-
-Change-Id: I097004be2ced1b3096ffc10c318aae0b2bb155e8
-Signed-off-by: Gokul Sriram Palanisamy <gpalan@codeaurora.org>
----
- drivers/pci/host/pcie-qcom.c | 37 +++++++++++++++++++++++++++++++++++++
- 1 file changed, 37 insertions(+)
-
-(limited to 'drivers/pci/host/pcie-qcom.c')
-
---- a/drivers/pci/controller/dwc/pcie-qcom.c
-+++ b/drivers/pci/controller/dwc/pcie-qcom.c
-@@ -124,6 +124,14 @@
-
- #define PCIE20_LNK_CONTROL2_LINK_STATUS2 0xA0
-
-+#define __set(v, a, b) (((v) << (b)) & GENMASK(a, b))
-+#define __mask(a, b) (((1 << ((a) + 1)) - 1) & ~((1 << (b)) - 1))
-+#define PCIE20_DEV_CAS 0x78
-+#define PCIE20_MRRS_MASK __mask(14, 12)
-+#define PCIE20_MRRS(x) __set(x, 14, 12)
-+#define PCIE20_MPS_MASK __mask(7, 5)
-+#define PCIE20_MPS(x) __set(x, 7, 5)
-+
- #define QCOM_PCIE_2_1_0_MAX_SUPPLY 3
- struct qcom_pcie_resources_2_1_0 {
- struct clk *iface_clk;
-@@ -1475,6 +1483,35 @@ err_pm_runtime_put:
- return ret;
- }
-
-+static void qcom_pcie_fixup_final(struct pci_dev *dev)
-+{
-+ int cap, err;
-+ u16 ctl, reg_val;
-+
-+ cap = pci_pcie_cap(dev);
-+ if (!cap)
-+ return;
-+
-+ err = pci_read_config_word(dev, cap + PCI_EXP_DEVCTL, &ctl);
-+
-+ if (err)
-+ return;
-+
-+ reg_val = ctl;
-+
-+ if (((reg_val & PCIE20_MRRS_MASK) >> 12) > 1)
-+ reg_val = (reg_val & ~(PCIE20_MRRS_MASK)) | PCIE20_MRRS(0x1);
-+
-+ if (((ctl & PCIE20_MPS_MASK) >> 5) > 1)
-+ reg_val = (reg_val & ~(PCIE20_MPS_MASK)) | PCIE20_MPS(0x1);
-+
-+ err = pci_write_config_word(dev, cap + PCI_EXP_DEVCTL, reg_val);
-+
-+ if (err)
-+ pr_err("pcie config write failed %d\n", err);
-+}
-+DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, qcom_pcie_fixup_final);
-+
- static const struct of_device_id qcom_pcie_match[] = {
- { .compatible = "qcom,pcie-apq8084", .data = &ops_1_0_0 },
- { .compatible = "qcom,pcie-ipq8064", .data = &ops_2_1_0 },