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Merge branch 'pci/controller/brcmstb'

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- Assert PERST# when probing BCM2711 because some bootloaders don't do it
  (Jim Quinlan)

* pci/controller/brcmstb:
  PCI: brcmstb: Remove stale comment
  PCI: brcmstb: Assert PERST# on BCM2711
This commit is contained in:
Bjorn Helgaas
2023-08-29 11:03:51 -05:00
parent 98072e31ae 6dac1507a6
commit 4b3f481c7a
1 changed files with 5 additions and 1 deletions
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6
drivers/pci/controller/pcie-brcmstb.c
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@@ -439,7 +439,6 @@ static struct irq_chip brcm_msi_irq_chip = {
};
static struct msi_domain_info brcm_msi_domain_info = {
/* Multi MSI is supported by the controller, but not by this driver */
.flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
MSI_FLAG_MULTI_PCI_MSI),
.chip = &brcm_msi_irq_chip,
@@ -874,6 +873,11 @@ static int brcm_pcie_setup(struct brcm_pcie *pcie)
/* Reset the bridge */
pcie->bridge_sw_init_set(pcie, 1);
/* Ensure that PERST# is asserted; some bootloaders may deassert it. */
if (pcie->type == BCM2711)
pcie->perst_set(pcie, 1);
usleep_range(100, 200);
/* Take the bridge out of reset */