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From: Sudeepgoud Patil <quic_sudeepgo@quicinc.com>
To: <quic_bjorande@quicinc.com>, <andersson@kernel.org>,
        <quic_clew@quicinc.com>, <mathieu.poirier@linaro.org>
CC: <linux-kernel@vger.kernel.org>, <quic_deesin@quicinc.com>,
        <linux-arm-msm@vger.kernel.org>, <linux-remoteproc@vger.kernel.org>,
        "Konrad
 Dybcio" <konrad.dybcio@linaro.org>
Subject: [PATCH V2 1/2] soc: qcom: smp2p: Add remote name into smp2p irq devname
Date: Tue, 11 Jun 2024 18:03:50 +0530
Message-ID: <20240611123351.3813190-2-quic_sudeepgo@quicinc.com>
In-Reply-To: <20240611123351.3813190-1-quic_sudeepgo@quicinc.com>
References: <20240611123351.3813190-1-quic_sudeepgo@quicinc.com>
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Add smp2p irq devname which fetches remote name from respective
smp2p dtsi node, which makes the wakeup source distinguishable
in irq wakeup prints.

Signed-off-by: Sudeepgoud Patil <quic_sudeepgo@quicinc.com>
---
 drivers/soc/qcom/smp2p.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/qcom/smp2p.c b/drivers/soc/qcom/smp2p.c
index a21241cbeec7..a77fee048b38 100644
--- a/drivers/soc/qcom/smp2p.c
+++ b/drivers/soc/qcom/smp2p.c
@@ -122,6 +122,7 @@ struct smp2p_entry {
  * @ssr_ack_enabled: SMP2P_FEATURE_SSR_ACK feature is supported and was enabled
  * @ssr_ack: current cached state of the local ack bit
  * @negotiation_done: whether negotiating finished
+ * @irq_devname: poniter to the smp2p irq devname
  * @local_pid:	processor id of the inbound edge
  * @remote_pid:	processor id of the outbound edge
  * @ipc_regmap:	regmap for the outbound ipc
@@ -146,6 +147,7 @@ struct qcom_smp2p {
 	bool ssr_ack;
 	bool negotiation_done;
 
+	char *irq_devname;
 	unsigned local_pid;
 	unsigned remote_pid;
 
@@ -614,10 +616,16 @@ static int qcom_smp2p_probe(struct platform_device *pdev)
 	/* Kick the outgoing edge after allocating entries */
 	qcom_smp2p_kick(smp2p);
 
+	smp2p->irq_devname = kasprintf(GFP_KERNEL, "%s", pdev->dev.of_node->name);
+	if (!smp2p->irq_devname) {
+		ret = -ENOMEM;
+		goto unwind_interfaces;
+	}
+
 	ret = devm_request_threaded_irq(&pdev->dev, irq,
 					NULL, qcom_smp2p_intr,
 					IRQF_ONESHOT,
-					"smp2p", (void *)smp2p);
+					smp2p->irq_devname, (void *)smp2p);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to request interrupt\n");
 		goto unwind_interfaces;
@@ -650,6 +658,8 @@ static int qcom_smp2p_probe(struct platform_device *pdev)
 	list_for_each_entry(entry, &smp2p->outbound, node)
 		qcom_smem_state_unregister(entry->state);
 
+	kfree(smp2p->irq_devname);
+
 	smp2p->out->valid_entries = 0;
 
 release_mbox:
@@ -677,6 +687,8 @@ static void qcom_smp2p_remove(struct platform_device *pdev)
 
 	mbox_free_channel(smp2p->mbox_chan);
 
+	kfree(smp2p->irq_devname);
+
 	smp2p->out->valid_entries = 0;
 }
 
--