diff options
| author | John Madieu <john.madieu.xa@bp.renesas.com> | 2026-03-06 17:34:15 +0300 |
|---|---|---|
| committer | Manivannan Sadhasivam <mani@kernel.org> | 2026-03-15 18:38:10 +0300 |
| commit | 4ec4ccdaace40397638c305c0a36b423d2142a93 (patch) | |
| tree | 71003ffbbbba5ed6f80f87115eb6759472282945 | |
| parent | 346dd3422ed9ff56f033726a50fad2da5677eb12 (diff) | |
| download | linux-4ec4ccdaace40397638c305c0a36b423d2142a93.tar.xz | |
PCI: rzg3s-host: Make configuration reset lines optional
Some SoC variants such as RZ/G3E handle configuration reset control through
PCIe AXI registers instead of dedicated reset lines. Make cfg_resets
optional by using devm_reset_control_bulk_get_optional_exclusive() to allow
SoCs to use alternative or complementary reset control mechanisms.
Signed-off-by: John Madieu <john.madieu.xa@bp.renesas.com>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # RZ/V2N EVK
Tested-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://patch.msgid.link/20260306143423.19562-9-john.madieu.xa@bp.renesas.com
| -rw-r--r-- | drivers/pci/controller/pcie-rzg3s-host.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/controller/pcie-rzg3s-host.c b/drivers/pci/controller/pcie-rzg3s-host.c index f5a0b7c6e773..c818651c0b75 100644 --- a/drivers/pci/controller/pcie-rzg3s-host.c +++ b/drivers/pci/controller/pcie-rzg3s-host.c @@ -1188,9 +1188,9 @@ static int rzg3s_pcie_resets_prepare_and_get(struct rzg3s_pcie_host *host) if (ret) return ret; - return devm_reset_control_bulk_get_exclusive(host->dev, - data->num_cfg_resets, - host->cfg_resets); + return devm_reset_control_bulk_get_optional_exclusive(host->dev, + data->num_cfg_resets, + host->cfg_resets); } static int rzg3s_pcie_host_parse_port(struct rzg3s_pcie_host *host) |