From: kettenis <kettenis@openbsd.org>
Date: Wed, 5 Apr 2023 10:48:12 +0000 (+0000)
Subject: Call dwpcie_link_config() when initializing the RK3568 PCIe controllers.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=a14a93a7abf5b2712256aa0e9277a3f5583dbc43;p=openbsd

Call dwpcie_link_config() when initializing the RK3568 PCIe controllers.
This makes sure the PCIe link runs at the maximum possible speed.

Prompted by a diff from dlg@, who also tested this alternative diff.

ok dlg@
---

diff --git a/sys/dev/fdt/dwpcie.c b/sys/dev/fdt/dwpcie.c
index d8394067cd3..ab4a53889c1 100644
--- a/sys/dev/fdt/dwpcie.c
+++ b/sys/dev/fdt/dwpcie.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dwpcie.c,v 1.43 2023/03/30 20:07:49 kn Exp $	*/
+/*	$OpenBSD: dwpcie.c,v 1.44 2023/04/05 10:48:12 kettenis Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -1307,6 +1307,8 @@ dwpcie_rk3568_init(struct dwpcie_softc *sc)
 	if (reset_gpiolen > 0)
 		gpio_controller_set_pin(reset_gpio, 0);
 
+	dwpcie_link_config(sc);
+
 	/* Enable LTSSM. */
 	bus_space_write_4(sc->sc_iot, sc->sc_glue_ioh, PCIE_CLIENT_GENERAL_CON,
 	    PCIE_CLIENT_LINK_REQ_RST_GRT | PCIE_CLIENT_APP_LTSSM_ENABLE);