diff options
Diffstat (limited to 'target/linux/qualcommax/patches-6.6/0907-soc-qcom-fix-smp2p-ack-on-ipq6018.patch')
| -rw-r--r-- | target/linux/qualcommax/patches-6.6/0907-soc-qcom-fix-smp2p-ack-on-ipq6018.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/qualcommax/patches-6.6/0907-soc-qcom-fix-smp2p-ack-on-ipq6018.patch b/target/linux/qualcommax/patches-6.6/0907-soc-qcom-fix-smp2p-ack-on-ipq6018.patch new file mode 100644 index 0000000000..88e294562d --- /dev/null +++ b/target/linux/qualcommax/patches-6.6/0907-soc-qcom-fix-smp2p-ack-on-ipq6018.patch @@ -0,0 +1,53 @@ +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 +@@ -1155,6 +1155,7 @@ + + 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++; + |