Re: [PATCH v11 06/16] PCI/ERR: Simplify by using pci_upstream_bridge()

From: Kuppuswamy, Sathyanarayanan
Date: Tue Nov 17 2020 - 15:12:09 EST




On 11/17/20 11:19 AM, Sean V Kelley wrote:
Use pci_upstream_bridge() in place of dev->bus->self. No functional change
intended.

[bhelgaas: split to separate patch]
Link: https://lore.kernel.org/r/20201002184735.1229220-6-seanvk.dev@xxxxxxxxxxxxxxxx
Signed-off-by: Sean V Kelley <sean.v.kelley@xxxxxxxxx>
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>
---
drivers/pci/pcie/err.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c
index db149c6ce4fb..05f61da5ed9d 100644
--- a/drivers/pci/pcie/err.c
+++ b/drivers/pci/pcie/err.c
@@ -159,7 +159,7 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
*/
if (!(pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT ||
pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM))
- dev = dev->bus->self;
+ dev = pci_upstream_bridge(dev);
Makes it easier to read.
bus = dev->subordinate;
pci_dbg(dev, "broadcast error_detected message\n");


--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer