Add provision to load firmware of Serial engine for I2C protocol from
Linux Execution Environment on running on APPS processor.
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Co-developed-by: Mukesh Kumar Savaliya <mukesh.savaliya@oss.qualcomm.com>
Signed-off-by: Mukesh Kumar Savaliya <mukesh.savaliya@oss.qualcomm.com>
Signed-off-by: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>
---
Dependencies:
This patch depends on patch 3 of this series.
v6 -> v7:
- No change.
v6 Link: https://lore.kernel.org/all/20250822072651.510027-5-viken.dadhaniya@oss.qualcomm.com/
v5 -> v6:
- Added Acked-by tag.
v5 Link: https://lore.kernel.org/linux-i2c/20250624095102.1587580-4-viken.dadhaniya@oss.qualcomm.com/
v4 -> v5:
- Updated the email domain from 'quic' to 'oss'.
v4 Link: https://lore.kernel.org/all/20250503111029.3583807-4-quic_vdadhani@quicinc.com/
v3 - >v4:
- Add a patch dependency note.
v3 Link: https://lore.kernel.org/linux-arm-msm/20250303124349.3474185-8-quic_vdadhani@quicinc.com/
v2 -> v3:
- Load firmware only if the protocol is invalid.
v2 Link: https://lore.kernel.org/linux-arm-msm/20250124105309.295769-7-quic_vdadhani@quicinc.com/
v1 -> v2:
- No change.
v1 Link: https://lore.kernel.org/linux-arm-msm/20241204150326.1470749-6-quic_vdadhani@quicinc.com/
---
---
drivers/i2c/busses/i2c-qcom-geni.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
index ff2289b52c84..95a577764d5c 100644
--- a/drivers/i2c/busses/i2c-qcom-geni.c
+++ b/drivers/i2c/busses/i2c-qcom-geni.c
@@ -870,7 +870,13 @@ 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;
}
--
2.34.1