4.19-stable patches

added patches:
	pci-qcom-add-missing-reset-for-ipq806x.patch

diff --git a/queue-4.19/pci-qcom-add-missing-reset-for-ipq806x.patch b/queue-4.19/pci-qcom-add-missing-reset-for-ipq806x.patch
new file mode 100644 (file)
index 0000000..ac1935b
--- /dev/null
+++ b/queue-4.19/pci-qcom-add-missing-reset-for-ipq806x.patch
@@ -0,0 +1,69 @@
+From foo@baz Mon Dec 14 06:04:08 PM CET 2020
+From: Ansuel Smith <ansuelsmth@gmail.com>
+Date: Mon, 15 Jun 2020 23:06:00 +0200
+Subject: PCI: qcom: Add missing reset for ipq806x
+
+From: Ansuel Smith <ansuelsmth@gmail.com>
+
+commit ee367e2cdd2202b5714982739e684543cd2cee0e upstream
+
+Add missing ext reset used by ipq8064 SoC in PCIe qcom driver.
+
+Link: https://lore.kernel.org/r/20200615210608.21469-5-ansuelsmth@gmail.com
+Fixes: 82a823833f4e ("PCI: qcom: Add Qualcomm PCIe controller driver")
+Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org>
+Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
+Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
+Reviewed-by: Rob Herring <robh@kernel.org>
+Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
+Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
+Cc: stable@vger.kernel.org # v4.5+
+[sudip: adjust context]
+Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/pci/controller/dwc/pcie-qcom.c |   12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+
+--- a/drivers/pci/controller/dwc/pcie-qcom.c
++++ b/drivers/pci/controller/dwc/pcie-qcom.c
+@@ -108,6 +108,7 @@ struct qcom_pcie_resources_2_1_0 {
+       struct reset_control *ahb_reset;
+       struct reset_control *por_reset;
+       struct reset_control *phy_reset;
++      struct reset_control *ext_reset;
+       struct regulator_bulk_data supplies[QCOM_PCIE_2_1_0_MAX_SUPPLY];
+ };
+ 
+@@ -269,6 +270,10 @@ static int qcom_pcie_get_resources_2_1_0
+       if (IS_ERR(res->por_reset))
+               return PTR_ERR(res->por_reset);
+ 
++      res->ext_reset = devm_reset_control_get_optional_exclusive(dev, "ext");
++      if (IS_ERR(res->ext_reset))
++              return PTR_ERR(res->ext_reset);
++
+       res->phy_reset = devm_reset_control_get_exclusive(dev, "phy");
+       return PTR_ERR_OR_ZERO(res->phy_reset);
+ }
+@@ -281,6 +286,7 @@ static void qcom_pcie_deinit_2_1_0(struc
+       reset_control_assert(res->axi_reset);
+       reset_control_assert(res->ahb_reset);
+       reset_control_assert(res->por_reset);
++      reset_control_assert(res->ext_reset);
+       reset_control_assert(res->pci_reset);
+       clk_disable_unprepare(res->iface_clk);
+       clk_disable_unprepare(res->core_clk);
+@@ -333,6 +339,12 @@ static int qcom_pcie_init_2_1_0(struct q
+               goto err_deassert_ahb;
+       }
+ 
++      ret = reset_control_deassert(res->ext_reset);
++      if (ret) {
++              dev_err(dev, "cannot deassert ext reset\n");
++              goto err_deassert_ahb;
++      }
++
+       /* enable PCIe clocks and resets */
+       val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
+       val &= ~BIT(0);

diff --git a/queue-4.19/series b/queue-4.19/series
index 3d689c5feb912b812c17a73b8039a0144a037638..ca64e93bc2a2d013178bb5a6391dddbc8a665587 100644 (file)
--- a/queue-4.19/series
+++ b/queue-4.19/series
@@ -24,3 +24,4 @@ x86-mm-mem_encrypt-fix-definition-of-pmd_flags_dec_wp.patch
 x86-membarrier-get-rid-of-a-dubious-optimization.patch
 x86-apic-vector-fix-ordering-in-vector-assignment.patch
 compiler.h-fix-barrier_data-on-clang.patch
+pci-qcom-add-missing-reset-for-ipq806x.patch