[PATCH v2 1/8] PCI: brcmstb: Set gen limitation before link, not after
Jim Quinlan
james.quinlan at broadcom.com
Fri Feb 14 09:39:29 PST 2025
When the user elects to limit the PCIe generation via the appropriate DT
property, apply the settings before the PCIe link-up, not after.
Fixes: c0452137034bda8f686dd9a2e167949bfffd6776 ("PCI: brcmstb: Add Broadcom STB PCIe host controller driver")
Signed-off-by: Jim Quinlan <james.quinlan at broadcom.com>
---
drivers/pci/controller/pcie-brcmstb.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index 546056f7f0d3..64a7511e66a8 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -1324,6 +1324,10 @@ static int brcm_pcie_start_link(struct brcm_pcie *pcie)
bool ssc_good = false;
int ret, i;
+ /* Limit the generation if specified */
+ if (pcie->gen)
+ brcm_pcie_set_gen(pcie, pcie->gen);
+
/* Unassert the fundamental reset */
ret = pcie->cfg->perst_set(pcie, 0);
if (ret)
@@ -1350,9 +1354,6 @@ static int brcm_pcie_start_link(struct brcm_pcie *pcie)
brcm_config_clkreq(pcie);
- if (pcie->gen)
- brcm_pcie_set_gen(pcie, pcie->gen);
-
if (pcie->ssc) {
ret = brcm_pcie_set_ssc(pcie);
if (ret == 0)
--
2.43.0
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