Commit 4ec4ccda authored by John Madieu's avatar John Madieu Committed by Manivannan Sadhasivam
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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: default avatarJohn Madieu <john.madieu.xa@bp.renesas.com>
Signed-off-by: default avatarManivannan Sadhasivam <mani@kernel.org>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # RZ/V2N EVK
Tested-by: default avatarClaudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: default avatarClaudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://patch.msgid.link/20260306143423.19562-9-john.madieu.xa@bp.renesas.com
parent 346dd342

drivers/pci/controller/pcie-rzg3s-host.c

+3 −3
Original line number Diff line number Diff line
@@ -1188,7 +1188,7 @@ 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,

	return devm_reset_control_bulk_get_optional_exclusive(host->dev,

							      data->num_cfg_resets,

							      host->cfg_resets);

}