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 <mukesh.savaliya@xxxxxxxxxxxxxxxx> Signed-off-by: Mukesh Kumar Savaliya <mukesh.savaliya@xxxxxxxxxxxxxxxx> Signed-off-by: Viken Dadhaniya <viken.dadhaniya@xxxxxxxxxxxxxxxx> --- Dependencies: This patch depends on patch 2 of this series. v4 -> v5: - Updated the email domain from 'quic' to 'oss'. v4 Link: https://lore.kernel.org/all/20250503111029.3583807-4-quic_vdadhani@xxxxxxxxxxx/ v3 - >v4: - Add a patch dependency note. v3 Link: https://lore.kernel.org/linux-arm-msm/20250303124349.3474185-8-quic_vdadhani@xxxxxxxxxxx/ v2 -> v3: - Load firmware only if the protocol is invalid. v2 Link: https://lore.kernel.org/linux-arm-msm/20250124105309.295769-7-quic_vdadhani@xxxxxxxxxxx/ v1 -> v2: - No change. v1 Link: https://lore.kernel.org/linux-arm-msm/20241204150326.1470749-6-quic_vdadhani@xxxxxxxxxxx/ --- 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 13889f52b6f7..11f1089edf37 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
