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Merge tag 'pci-v5.9-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

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Pull PCI fixes from Bjorn Helgaas:

 - Fix rockchip regression in rockchip_pcie_valid_device() (Lorenzo
   Pieralisi)

 - Add Pali Rohár as aardvark PCI maintainer (Pali Rohár)

* tag 'pci-v5.9-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  MAINTAINERS: Add Pali Rohár as aardvark PCI maintainer
  PCI: rockchip: Fix bus checks in rockchip_pcie_valid_device()
This commit is contained in:
Linus Torvalds
2020-10-02 14:48:25 -07:00
parent cb6f55af1f 76a6b0b90d
commit 4d9c3a688a
2 changed files with 5 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MAINTAINERS
+1
View File
@@ -13182,6 +13182,7 @@ F: drivers/firmware/pcdp.*
PCI DRIVER FOR AARDVARK (Marvell Armada 3700)
M: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
M: Pali Rohár <pali@kernel.org>
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
drivers/pci/controller/pcie-rockchip-host.c
+4 -7
View File
@@ -71,16 +71,13 @@ static void rockchip_pcie_update_txcredit_mui(struct rockchip_pcie *rockchip)
static int rockchip_pcie_valid_device(struct rockchip_pcie *rockchip,
struct pci_bus *bus, int dev)
{
/* access only one slot on each root port */
if (pci_is_root_bus(bus) && dev > 0)
return 0;
/*
* do not read more than one device on the bus directly attached
* Access only one slot on each root port.
* Do not read more than one device on the bus directly attached
* to RC's downstream side.
*/
if (pci_is_root_bus(bus->parent) && dev > 0)
return 0;
if (pci_is_root_bus(bus) || pci_is_root_bus(bus->parent))
return dev == 0;
return 1;
}