diff options
Diffstat (limited to 'pkgs/patches-linux-5.15/0015-PCI-pci-bridge-emul-Rename-PCI_BRIDGE_EMUL_NO_PREFET.patch')
| -rw-r--r-- | pkgs/patches-linux-5.15/0015-PCI-pci-bridge-emul-Rename-PCI_BRIDGE_EMUL_NO_PREFET.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/pkgs/patches-linux-5.15/0015-PCI-pci-bridge-emul-Rename-PCI_BRIDGE_EMUL_NO_PREFET.patch b/pkgs/patches-linux-5.15/0015-PCI-pci-bridge-emul-Rename-PCI_BRIDGE_EMUL_NO_PREFET.patch new file mode 100644 index 0000000..2226c30 --- /dev/null +++ b/pkgs/patches-linux-5.15/0015-PCI-pci-bridge-emul-Rename-PCI_BRIDGE_EMUL_NO_PREFET.patch @@ -0,0 +1,69 @@ +From bb5a2178ce576f3100ae3679599777d823f459a4 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> +Date: Tue, 16 Nov 2021 10:59:52 +0100 +Subject: [PATCH 15/90] PCI: pci-bridge-emul: Rename + PCI_BRIDGE_EMUL_NO_PREFETCHABLE_BAR to PCI_BRIDGE_EMUL_NO_PREFMEM_FORWARD +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This flag describe whether PCI bridge supports forwarding of prefetchable +memory requests in given range between primary and secondary buses. It does +not specify if bridge has support for prefetchable memory BAR (moreover +this pci-bridge-emul.c driver does not provide support for BARs). + +So change name of this flag to be less misleading and add comment. + +Signed-off-by: Pali Rohár <pali@kernel.org> +--- + drivers/pci/controller/pci-mvebu.c | 2 +- + drivers/pci/pci-bridge-emul.c | 2 +- + drivers/pci/pci-bridge-emul.h | 6 +++++- + 3 files changed, 7 insertions(+), 3 deletions(-) + +diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c +index 2ecc1ab12249..2e10ade660a1 100644 +--- a/drivers/pci/controller/pci-mvebu.c ++++ b/drivers/pci/controller/pci-mvebu.c +@@ -747,7 +747,7 @@ static int mvebu_pci_bridge_emul_init(struct mvebu_pcie_port *port) + bridge->data = port; + bridge->ops = &mvebu_pci_bridge_emul_ops; + +- return pci_bridge_emul_init(bridge, PCI_BRIDGE_EMUL_NO_PREFETCHABLE_BAR); ++ return pci_bridge_emul_init(bridge, PCI_BRIDGE_EMUL_NO_PREFMEM_FORWARD); + } + + static inline struct mvebu_pcie *sys_to_pcie(struct pci_sys_data *sys) +diff --git a/drivers/pci/pci-bridge-emul.c b/drivers/pci/pci-bridge-emul.c +index c994ebec2360..ceacba03e714 100644 +--- a/drivers/pci/pci-bridge-emul.c ++++ b/drivers/pci/pci-bridge-emul.c +@@ -377,7 +377,7 @@ int pci_bridge_emul_init(struct pci_bridge_emul *bridge, + ~(BIT(10) << 16); + } + +- if (flags & PCI_BRIDGE_EMUL_NO_PREFETCHABLE_BAR) { ++ if (flags & PCI_BRIDGE_EMUL_NO_PREFMEM_FORWARD) { + bridge->pci_regs_behavior[PCI_PREF_MEMORY_BASE / 4].ro = ~0; + bridge->pci_regs_behavior[PCI_PREF_MEMORY_BASE / 4].rw = 0; + } +diff --git a/drivers/pci/pci-bridge-emul.h b/drivers/pci/pci-bridge-emul.h +index 0690b6369755..087b5fa01bcf 100644 +--- a/drivers/pci/pci-bridge-emul.h ++++ b/drivers/pci/pci-bridge-emul.h +@@ -120,7 +120,11 @@ struct pci_bridge_emul { + }; + + enum { +- PCI_BRIDGE_EMUL_NO_PREFETCHABLE_BAR = BIT(0), ++ /* ++ * PCI bridge does not support forwarding of prefetchable memory ++ * requests between primary and secondary buses. ++ */ ++ PCI_BRIDGE_EMUL_NO_PREFMEM_FORWARD = BIT(0), + }; + + int pci_bridge_emul_init(struct pci_bridge_emul *bridge, +-- +2.34.1 + |