diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/0052-PCI-designware-Simplify-control-flow.patch')
-rw-r--r-- | target/linux/layerscape/patches-4.4/0052-PCI-designware-Simplify-control-flow.patch | 121 |
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 = { |