linux-kernel - [PATCH v2 6/8] i2c: qcom-geni: Load i2c qup Firmware from linux side

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Message-Id: <20250124105309.295769-7-quic_vdadhani@quicinc.com>
Date: Fri, 24 Jan 2025 16:23:07 +0530
From: Viken Dadhaniya <quic_vdadhani@...cinc.com>
To: andi.shyti@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org, gregkh@...uxfoundation.org, jirislaby@...nel.org,
        broonie@...nel.or, andersson@...nel.org, konradybcio@...nel.org,
        johan+linaro@...nel.org, dianders@...omium.org, agross@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org, linux-spi@...r.kernel.org
Cc: quic_msavaliy@...cinc.com, quic_anupkulk@...cinc.com,
        Viken Dadhaniya <quic_vdadhani@...cinc.com>
Subject: [PATCH v2 6/8] 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.

Co-developed-by: Mukesh Kumar Savaliya <quic_msavaliy@...cinc.com>
Signed-off-by: Mukesh Kumar Savaliya <quic_msavaliy@...cinc.com>
Signed-off-by: Viken Dadhaniya <quic_vdadhani@...cinc.com>
---
 drivers/i2c/busses/i2c-qcom-geni.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
index 7bbd478171e0..9ad3b8c9a224 100644
--- a/drivers/i2c/busses/i2c-qcom-geni.c
+++ b/drivers/i2c/busses/i2c-qcom-geni.c
@@ -872,8 +872,11 @@ static int geni_i2c_probe(struct platform_device *pdev)
 	}
 	proto = geni_se_read_proto(&gi2c->se);
 	if (proto != GENI_SE_I2C) {
-		ret = dev_err_probe(dev, -ENXIO, "Invalid proto %d\n", proto);
-		goto err_resources;
+		ret = geni_load_se_firmware(&gi2c->se, GENI_SE_I2C);
+		if (ret) {
+			dev_err(gi2c->se.dev, "i2c firmware load failed ret: %d\n", ret);
+			goto err_resources;
+		}
 	}
 
 	if (desc && desc->no_dma_support)
-- 
2.34.1