Hi Sathya, > On Nov 17, 2020, at 1:58 PM, Kuppuswamy, Sathyanarayanan > <sathyanarayanan.kuppusw...@linux.intel.com> wrote: > > Hi, > > On 11/17/20 11:19 AM, Sean V Kelley wrote: >> Instead of calling pci_pcie_type(dev) twice, call it once and save the >> result. No functional change intended. > > Same optimization can be applied to drivers/pci/pcie/portdrv_pci.c and > drivers/pci/pcie/aer.c. > > Can you fix them together ?
Makes sense. I can combine the changes. Thanks, Sean > >> [bhelgaas: split to separate patch] >> Link: >> https://lore.kernel.org/r/20201002184735.1229220-6-seanvk....@oregontracks.org >> Signed-off-by: Sean V Kelley <sean.v.kel...@intel.com> >> Signed-off-by: Bjorn Helgaas <bhelg...@google.com> >> Acked-by: Jonathan Cameron <jonathan.came...@huawei.com> >> --- >> drivers/pci/pcie/err.c | 5 +++-- >> 1 file changed, 3 insertions(+), 2 deletions(-) >> diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c >> index 05f61da5ed9d..7a5af873d8bc 100644 >> --- a/drivers/pci/pcie/err.c >> +++ b/drivers/pci/pcie/err.c >> @@ -150,6 +150,7 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev, >> pci_channel_state_t state, >> pci_ers_result_t (*reset_subordinates)(struct pci_dev *pdev)) >> { >> + int type = pci_pcie_type(dev); >> pci_ers_result_t status = PCI_ERS_RESULT_CAN_RECOVER; >> struct pci_bus *bus; >> @@ -157,8 +158,8 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev, >> * Error recovery runs on all subordinates of the first downstream port. >> * If the downstream port detected the error, it is cleared at the end. >> */ >> - if (!(pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT || >> - pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM)) >> + if (!(type == PCI_EXP_TYPE_ROOT_PORT || >> + type == PCI_EXP_TYPE_DOWNSTREAM)) >> dev = pci_upstream_bridge(dev); >> bus = dev->subordinate; >> > > -- > Sathyanarayanan Kuppuswamy > Linux Kernel Developer
