Re: [PATCH v6 05/22] soc: qcom: apr: Add GPR support

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Thanks Pierre,

On 15/09/2021 16:47, Pierre-Louis Bossart wrote:

+gpr_port_t *gpr_alloc_port(struct apr_device *gdev, struct device *dev,
+				gpr_port_cb cb,	void *priv)
+{
+	struct packet_router *pr = dev_get_drvdata(gdev->dev.parent);
+	gpr_port_t *port;
+	struct pkt_router_svc *svc;
+	int id;
+
+	port = kzalloc(sizeof(*port), GFP_KERNEL);
+	if (!port)
+		return ERR_PTR(-ENOMEM);
+
+	svc = port;
+	svc->callback = cb;
+	svc->pr = pr;
+	svc->priv = priv;
+	svc->dev = dev;
+	spin_lock_init(&svc->lock);
+
+	spin_lock(&pr->svcs_lock);
+	id = idr_alloc_cyclic(&pr->svcs_idr, svc, GPR_DYNAMIC_PORT_START,
+			      GPR_DYNAMIC_PORT_END, GFP_ATOMIC);
+	if (id < 0) {
+		dev_err(dev, "Unable to allocate dynamic GPR src port\n");
+		kfree(port);
+		spin_unlock(&pr->svcs_lock);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	svc->id = id;
+	spin_unlock(&pr->svcs_lock);
+
+	dev_info(dev, "Adding GPR src port (%x)\n", svc->id);

nit-pick: isn't this a bit verbose?

Yes, Its now removed.


+
+	return port;
+}
+EXPORT_SYMBOL_GPL(gpr_alloc_port);

+struct gpr_pkt {
+	struct gpr_hdr hdr;
+	uint32_t payload[0];
+};

looks like a zero-length array?

looks like I missed this one, its fixed now.

--srini
should this be

struct gpr_pkt {
     struct gpr_hdr hdr;
     uint32_t payload[];
};

?




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