diff options
| author | Naveen Naidu <naveennaidu479@gmail.com> | 2021-11-18 19:33:18 +0530 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2021-11-18 13:40:16 -0600 |
| commit | 8ed2196a0ac49dd957ea28105fe826d99f6265af (patch) | |
| tree | 079e9d9a6de441b50124566cda3b638e9b5440f6 /drivers/pci/controller/dwc/pci-exynos.c | |
| parent | 7e9768539eb32e0fb5eb09f033b33dbd8a15e16d (diff) | |
PCI: exynos: Drop error data fabrication when config read fails
If config pci_ops.read() methods return failure, the PCI_OP_READ() and
PCI_USER_READ_CONFIG() wrappers use PCI_SET_ERROR_RESPONSE() to set the
data value, so there's no need to set it in the pci_ops.read() methods
themselves.
Drop the unnecessary data value fabrication when pci_ops.read() fails.
Link: https://lore.kernel.org/r/765c2f27d85fcee4eb137023dc0a8f864eee9e36.1637243717.git.naveennaidu479@gmail.com
Signed-off-by: Naveen Naidu <naveennaidu479@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/controller/dwc/pci-exynos.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pci-exynos.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/pci/controller/dwc/pci-exynos.c b/drivers/pci/controller/dwc/pci-exynos.c index c24dab383654..f9526d6de160 100644 --- a/drivers/pci/controller/dwc/pci-exynos.c +++ b/drivers/pci/controller/dwc/pci-exynos.c @@ -216,10 +216,8 @@ static int exynos_pcie_rd_own_conf(struct pci_bus *bus, unsigned int devfn, { struct dw_pcie *pci = to_dw_pcie_from_pp(bus->sysdata); - if (PCI_SLOT(devfn)) { - *val = ~0; + if (PCI_SLOT(devfn)) return PCIBIOS_DEVICE_NOT_FOUND; - } *val = dw_pcie_read_dbi(pci, where, size); return PCIBIOS_SUCCESSFUL; |