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-rw-r--r--target/linux/layerscape/patches-4.4/0052-PCI-designware-Simplify-control-flow.patch121
1 files changed, 0 insertions, 121 deletions
diff --git a/target/linux/layerscape/patches-4.4/0052-PCI-designware-Simplify-control-flow.patch b/target/linux/layerscape/patches-4.4/0052-PCI-designware-Simplify-control-flow.patch
deleted file mode 100644
index 1eef2b61f3..0000000000
--- a/target/linux/layerscape/patches-4.4/0052-PCI-designware-Simplify-control-flow.patch
+++ /dev/null
@@ -1,121 +0,0 @@
-From 610b32220391c9d271290bdf8f2b8fe1cf8da9a0 Mon Sep 17 00:00:00 2001
-From: Bjorn Helgaas <bhelgaas@google.com>
-Date: Tue, 5 Jan 2016 15:48:11 -0600
-Subject: [PATCH 52/70] PCI: designware: Simplify control flow
-
-Return values immediately when possible to simplify the control flow.
-
-No functional change intended. Folded in unused variable removal as
-pointed out by Fabio Estevam <fabio.estevam@nxp.com>, Arnd Bergmann
-<arnd@arndb.de>, and Thierry Reding <thierry.reding@gmail.com>.
-
-Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
-Acked-by: Pratyush Anand <pratyush.anand@gmail.com>
----
- drivers/pci/host/pcie-designware.c | 54 ++++++++++++------------------------
- 1 file changed, 18 insertions(+), 36 deletions(-)
-
---- a/drivers/pci/host/pcie-designware.c
-+++ b/drivers/pci/host/pcie-designware.c
-@@ -128,27 +128,19 @@ static inline void dw_pcie_writel_rc(str
- static int dw_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
- u32 *val)
- {
-- int ret;
--
- if (pp->ops->rd_own_conf)
-- ret = pp->ops->rd_own_conf(pp, where, size, val);
-- else
-- ret = dw_pcie_cfg_read(pp->dbi_base + where, size, val);
-+ return pp->ops->rd_own_conf(pp, where, size, val);
-
-- return ret;
-+ return dw_pcie_cfg_read(pp->dbi_base + where, size, val);
- }
-
- static int dw_pcie_wr_own_conf(struct pcie_port *pp, int where, int size,
- u32 val)
- {
-- int ret;
--
- if (pp->ops->wr_own_conf)
-- ret = pp->ops->wr_own_conf(pp, where, size, val);
-- else
-- ret = dw_pcie_cfg_write(pp->dbi_base + where, size, val);
-+ return pp->ops->wr_own_conf(pp, where, size, val);
-
-- return ret;
-+ return dw_pcie_cfg_write(pp->dbi_base + where, size, val);
- }
-
- static void dw_pcie_prog_outbound_atu(struct pcie_port *pp, int index,
-@@ -392,8 +384,8 @@ int dw_pcie_link_up(struct pcie_port *pp
- {
- if (pp->ops->link_up)
- return pp->ops->link_up(pp);
-- else
-- return 0;
-+
-+ return 0;
- }
-
- static int dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
-@@ -666,46 +658,36 @@ static int dw_pcie_rd_conf(struct pci_bu
- int size, u32 *val)
- {
- struct pcie_port *pp = bus->sysdata;
-- int ret;
-
- if (dw_pcie_valid_config(pp, bus, PCI_SLOT(devfn)) == 0) {
- *val = 0xffffffff;
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
-
-- if (bus->number != pp->root_bus_nr)
-- if (pp->ops->rd_other_conf)
-- ret = pp->ops->rd_other_conf(pp, bus, devfn,
-- where, size, val);
-- else
-- ret = dw_pcie_rd_other_conf(pp, bus, devfn,
-- where, size, val);
-- else
-- ret = dw_pcie_rd_own_conf(pp, where, size, val);
-+ if (bus->number == pp->root_bus_nr)
-+ return dw_pcie_rd_own_conf(pp, where, size, val);
-
-- return ret;
-+ if (pp->ops->rd_other_conf)
-+ return pp->ops->rd_other_conf(pp, bus, devfn, where, size, val);
-+
-+ return dw_pcie_rd_other_conf(pp, bus, devfn, where, size, val);
- }
-
- static int dw_pcie_wr_conf(struct pci_bus *bus, u32 devfn,
- int where, int size, u32 val)
- {
- struct pcie_port *pp = bus->sysdata;
-- int ret;
-
- if (dw_pcie_valid_config(pp, bus, PCI_SLOT(devfn)) == 0)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
-- if (bus->number != pp->root_bus_nr)
-- if (pp->ops->wr_other_conf)
-- ret = pp->ops->wr_other_conf(pp, bus, devfn,
-- where, size, val);
-- else
-- ret = dw_pcie_wr_other_conf(pp, bus, devfn,
-- where, size, val);
-- else
-- ret = dw_pcie_wr_own_conf(pp, where, size, val);
-+ if (bus->number == pp->root_bus_nr)
-+ return dw_pcie_wr_own_conf(pp, where, size, val);
-
-- return ret;
-+ if (pp->ops->wr_other_conf)
-+ return pp->ops->wr_other_conf(pp, bus, devfn, where, size, val);
-+
-+ return dw_pcie_wr_other_conf(pp, bus, devfn, where, size, val);
- }
-
- static struct pci_ops dw_pcie_ops = {