kernel: delete Linux 5.4 config and patches
[openwrt/staging/chunkeey.git] / target / linux / layerscape / patches-5.4 / 812-pcie-0002-PCI-dwc-Use-interrupt-disabling-instead-of-masking.patch
diff --git a/target/linux/layerscape/patches-5.4/812-pcie-0002-PCI-dwc-Use-interrupt-disabling-instead-of-masking.patch b/target/linux/layerscape/patches-5.4/812-pcie-0002-PCI-dwc-Use-interrupt-disabling-instead-of-masking.patch
deleted file mode 100644 (file)
index 3990c15..0000000
+++ /dev/null
@@ -1,60 +0,0 @@
-From c89d85a39df353290ea7af84a32d5ca692a3c27a Mon Sep 17 00:00:00 2001
-From: Fugang Duan <fugang.duan@nxp.com>
-Date: Sat, 2 Nov 2019 15:51:40 +0800
-Subject: [PATCH] PCI: dwc: Use interrupt disabling instead of masking
-
-commit 830920e065e9("PCI: dwc: Use interrupt masking instead
-of disabling") break i.MX platform PCIe suspend/resume when
-MSI enabled.
-
-Revert the commit to keep orinigal method that using interrupt
-disabling instead of masking.
-
-Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
----
- drivers/pci/controller/dwc/pcie-designware-host.c | 19 +++++++------------
- 1 file changed, 7 insertions(+), 12 deletions(-)
-
---- a/drivers/pci/controller/dwc/pcie-designware-host.c
-+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
-@@ -157,8 +157,8 @@ static void dw_pci_bottom_mask(struct ir
-       bit = d->hwirq % MAX_MSI_IRQS_PER_CTRL;
-       pp->irq_mask[ctrl] |= BIT(bit);
--      dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_MASK + res, 4,
--                          pp->irq_mask[ctrl]);
-+      dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4,
-+                          ~pp->irq_mask[ctrl]);
-       raw_spin_unlock_irqrestore(&pp->lock, flags);
- }
-@@ -176,8 +176,8 @@ static void dw_pci_bottom_unmask(struct
-       bit = d->hwirq % MAX_MSI_IRQS_PER_CTRL;
-       pp->irq_mask[ctrl] &= ~BIT(bit);
--      dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_MASK + res, 4,
--                          pp->irq_mask[ctrl]);
-+      dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4,
-+                          ~pp->irq_mask[ctrl]);
-       raw_spin_unlock_irqrestore(&pp->lock, flags);
- }
-@@ -659,15 +659,10 @@ void dw_pcie_setup_rc(struct pcie_port *
-               num_ctrls = pp->num_vectors / MAX_MSI_IRQS_PER_CTRL;
-               /* Initialize IRQ Status array */
--              for (ctrl = 0; ctrl < num_ctrls; ctrl++) {
--                      pp->irq_mask[ctrl] = ~0;
--                      dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_MASK +
-+              for (ctrl = 0; ctrl < num_ctrls; ctrl++)
-+                      dw_pcie_rd_own_conf(pp, PCIE_MSI_INTR0_ENABLE +
-                                           (ctrl * MSI_REG_CTRL_BLOCK_SIZE),
--                                          4, pp->irq_mask[ctrl]);
--                      dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_ENABLE +
--                                          (ctrl * MSI_REG_CTRL_BLOCK_SIZE),
--                                          4, ~0);
--              }
-+                                          4, &pp->irq_mask[ctrl]);
-       }
-       /* Setup RC BARs */