From 6b62f495aa3d5e6c17b61bc27f2f8673b4e4c829 Mon Sep 17 00:00:00 2001 From: Viken Dadhaniya Date: Thu, 11 Sep 2025 10:02:54 +0530 Subject: [PATCH 4/5] 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 --- drivers/i2c/busses/i2c-qcom-geni.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c index 212336f72..f307aa2ac 100644 --- a/drivers/i2c/busses/i2c-qcom-geni.c +++ b/drivers/i2c/busses/i2c-qcom-geni.c @@ -858,7 +858,15 @@ static int geni_i2c_probe(struct platform_device *pdev) return ret; } 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); + geni_se_resources_off(&gi2c->se); + clk_disable_unprepare(gi2c->core_clk); + return ret; + } + } else if (proto != GENI_SE_I2C) { dev_err(dev, "Invalid proto %d\n", proto); geni_se_resources_off(&gi2c->se); clk_disable_unprepare(gi2c->core_clk); -- 2.51.1