The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 9b6a51aab5f5f9f71d2fa16e8b4d530e1643dfcb # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2023122845-curling-strainer-cd1a@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: 9b6a51aab5f5 ("ARM: dts: Fix occasional boot hang for am3 usb") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 9b6a51aab5f5f9f71d2fa16e8b4d530e1643dfcb Mon Sep 17 00:00:00 2001 From: Tony Lindgren <tony@xxxxxxxxxxx> Date: Tue, 12 Dec 2023 15:50:35 +0200 Subject: [PATCH] ARM: dts: Fix occasional boot hang for am3 usb With subtle timings changes, we can now sometimes get an external abort on non-linefetch error booting am3 devices at sysc_reset(). This is because of a missing reset delay needed for the usb target module. Looks like we never enabled the delay earlier for am3, although a similar issue was seen earlier with a similar usb setup for dm814x as described in commit ebf244148092 ("ARM: OMAP2+: Use srst_udelay for USB on dm814x"). Cc: stable@xxxxxxxxxxxxxxx Fixes: 0782e8572ce4 ("ARM: dts: Probe am335x musb with ti-sysc") Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> diff --git a/arch/arm/boot/dts/ti/omap/am33xx.dtsi b/arch/arm/boot/dts/ti/omap/am33xx.dtsi index 1a2cd5baf402..5b9e01a8aa5d 100644 --- a/arch/arm/boot/dts/ti/omap/am33xx.dtsi +++ b/arch/arm/boot/dts/ti/omap/am33xx.dtsi @@ -359,6 +359,7 @@ usb: target-module@47400000 { <SYSC_IDLE_NO>, <SYSC_IDLE_SMART>, <SYSC_IDLE_SMART_WKUP>; + ti,sysc-delay-us = <2>; clocks = <&l3s_clkctrl AM3_L3S_USB_OTG_HS_CLKCTRL 0>; clock-names = "fck"; #address-cells = <1>;
