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PCI: Simplify pcie_bus_configure_settings() interface

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Based on a patch by Jon Mason (see URL below).

All users of pcie_bus_configure_settings() pass arguments of the form
"bus, bus->self->pcie_mpss".  The "mpss" argument is redundant since we
can easily look it up internally.  In addition, all callers check
"bus->self" for NULL, which we can also do internally.

This patch simplifies the interface and the callers.  No functional change.

Reference: http://lkml.kernel.org/r/1317048850-30728-2-git-send-email-mason@myri.com
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2013-08-22 11:24:44 +08:00
commit a58674ff83
6 changed files with 14 additions and 26 deletions
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2
include/linux/pci.h
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@ -675,7 +675,7 @@ struct pci_driver {
/* these external functions are only available when PCI support is enabled */
#ifdef CONFIG_PCI
void pcie_bus_configure_settings(struct pci_bus *bus, u8 smpss);
void pcie_bus_configure_settings(struct pci_bus *bus);
enum pcie_bus_config_types {
PCIE_BUS_TUNE_OFF,