[PATCH V2 1/2] soc: qcom: smp2p: Add remote name into smp2p irq devname

From: Sudeepgoud Patil
Date: Tue Jun 11 2024 - 08:34:35 EST


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@xxxxxxxxxxx>
---
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;
}

--