Merge tag 'v5.4.264' into toradex_5.4.y

This is the 5.4.264 stable release

Conflicts:
	drivers/pci/controller/dwc/pci-imx6.c
		commit 0f31993721f92 ("PCI: imx6: Install the fault
		handler only on compatible match") overlaps with our
		not mainlined THUMB work.
		Keep both additions
	sound/soc/codecs/sgtl5000.c
		commit c062676528865 (ASoC: sgtl5000: Reset the
		CHIP_CLK_CTRL reg on remove") with a backport of a
		"fixes" commit.

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index 070bd7d1ae4c..06fe2f185e0b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -1101,7 +1101,19 @@ static int dwxgmac2_flex_pps_config(void __iomem *ioaddr, int index,
 
 	val |= XGMAC_PPSCMDx(index, XGMAC_PPSCMD_START);
 	val |= XGMAC_TRGTMODSELx(index, XGMAC_PPSCMD_START);
-	val |= XGMAC_PPSEN0;
+
+	/* XGMAC Core has 4 PPS outputs at most.
+	 *
+	 * Prior XGMAC Core 3.20, Fixed mode or Flexible mode are selectable for
+	 * PPS0 only via PPSEN0. PPS{1,2,3} are in Flexible mode by default,
+	 * and can not be switched to Fixed mode, since PPSEN{1,2,3} are
+	 * read-only reserved to 0.
+	 * But we always set PPSEN{1,2,3} do not make things worse ;-)
+	 *
+	 * From XGMAC Core 3.20 and later, PPSEN{0,1,2,3} are writable and must
+	 * be set, or the PPS outputs stay in Fixed PPS mode by default.
+	 */
+	val |= XGMAC_PPSENx(index);
 
 	writel(cfg->start.tv_sec, ioaddr + XGMAC_PPSx_TARGET_TIME_SEC(index));