openwrt/target/linux/qualcommax/patches-6.6/0907-soc-qcom-fix-smp2p-ack-on-ipq6018.patch
John Audia 96392789ae kernel: bump 6.6 to 6.6.43
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.43

All patches automatically rebased.

Build system: x86/64
Build-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3
Run-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3

Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/16010
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2024-07-28 19:46:16 +02:00

54 lines
1.6 KiB
Diff

From d93936f175bd914067df8f63f5fbe6e3b77bb4d2 Mon Sep 17 00:00:00 2001
From: Mantas Pucka <mantas@8devices.com>
Date: Tue, 23 May 2023 14:46:28 +0300
Subject: [PATCH 11/19] soc: qcom: fix smp2p ack on ipq6018
IPQ6018 seem to need different ack mechanism for smp2p messaging. This
fixes q6v5_wcss remoteproc firmware reloading. Without this first load
is OK, but subsequent loads would hang and fail to complete.
Signed-off-by: Mantas Pucka <mantas@8devices.com>
---
arch/arm64/boot/dts/qcom/ipq6018.dtsi | 1 +
drivers/soc/qcom/smp2p.c | 6 +++++-
2 files changed, 6 insertions(+), 1 deletion(-)
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -1157,6 +1157,7 @@
wcss_smp2p_out: master-kernel {
qcom,entry-name = "master-kernel";
+ qcom,smp2p-feature-ssr-ack;
#qcom,smem-state-cells = <1>;
};
--- a/drivers/soc/qcom/smp2p.c
+++ b/drivers/soc/qcom/smp2p.c
@@ -158,6 +158,8 @@ struct qcom_smp2p {
struct list_head inbound;
struct list_head outbound;
+
+ bool need_ssr_ack;
};
static void qcom_smp2p_kick(struct qcom_smp2p *smp2p)
@@ -306,7 +308,7 @@ static irqreturn_t qcom_smp2p_intr(int i
ack_restart = qcom_smp2p_check_ssr(smp2p);
qcom_smp2p_notify_in(smp2p);
- if (ack_restart)
+ if (ack_restart || smp2p->need_ssr_ack)
qcom_smp2p_do_ssr_ack(smp2p);
}
@@ -427,6 +429,7 @@ static int qcom_smp2p_outbound_entry(str
/* Make the logical entry reference the physical value */
entry->value = &out->entries[out->valid_entries].value;
+ smp2p->need_ssr_ack = of_property_read_bool(node, "qcom,smp2p-feature-ssr-ack");
out->valid_entries++;