From: Viken Dadhaniya Date: Thu, 11 Sep 2025 04:32:54 +0000 (+0530) Subject: i2c: qcom-geni: Load i2c qup Firmware from linux side X-Git-Tag: v6.18-rc1~145^2~9^2~2 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b645df76536c5b7d40e60450bf8011f70f34415f;p=thirdparty%2Fkernel%2Flinux.git 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. Acked-by: Andi Shyti Co-developed-by: Mukesh Kumar Savaliya Signed-off-by: Mukesh Kumar Savaliya Signed-off-by: Viken Dadhaniya Link: https://lore.kernel.org/r/20250911043256.3523057-5-viken.dadhaniya@oss.qualcomm.com Signed-off-by: Bjorn Andersson --- diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c index ff2289b52c84c..95a577764d5c0 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; }