mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-06 09:56:25 -04:00
Code Issues Packages Projects Releases Wiki Activity

PCI: brcmstb: Set generation limit before PCIe link up

Browse Source 
When the user elects to limit the PCIe generation via the appropriate
devicetree property, apply the settings before the PCIe link up, not
after.

Fixes: c045213703 ("PCI: brcmstb: Add Broadcom STB PCIe host controller driver")
Signed-off-by: Jim Quinlan <james.quinlan@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20250214173944.47506-2-james.quinlan@broadcom.com
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
This commit is contained in:
Jim Quinlan
2025-02-14 12:39:29 -05:00
committed by Krzysztof Wilczyński
parent 377bced88c
commit 72d36589c6
1 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/pci/controller/pcie-brcmstb.c
View File

@@ -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)