FROMLIST: i2c: qcom-geni: Load i2c qup Firmware from linux side

Add provision to load firmware of Serial engine for I2C protocol from
Linux Execution Environment on running on APPS processor.

Link: https://lore.kernel.org/linux-i2c/20250503111029.3583807-4-quic_vdadhani@quicinc.com/
Co-developed-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Signed-off-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Signed-off-by: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>

Author: Viken Dadhaniya

drivers/i2c/busses/i2c-qcom-geni.c

@@ -871,7 +871,13 @@ static int geni_i2c_probe(struct platform_device *pdev)
 		goto err_clk;
 	}
 	proto = geni_se_read_proto(&gi2c->se);
-	if (proto != GENI_SE_I2C) {
+	if (proto == GENI_SE_INVALID_PROTO) {
+		ret = geni_load_se_firmware(&gi2c->se, GENI_SE_I2C);
+		if (ret) {
+			dev_err_probe(dev, ret, "i2c firmware load failed ret: %d\n", ret);
+			goto err_resources;
+		}
+	} else if (proto != GENI_SE_I2C) {
 		ret = dev_err_probe(dev, -ENXIO, "Invalid proto %d\n", proto);
 		goto err_resources;
 	}