Add provision to load firmware of Serial engine for SPI protocol from
Linux Execution Environment on running on APPS processor.
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/20250822072651.510027-6-viken.dadhaniya@oss.qualcomm.com/
v5 -> v6:
- No change.
v5 Link: https://lore.kernel.org/linux-i2c/20250624095102.1587580-5-viken.dadhaniya@oss.qualcomm.com/
v4 -> v5:
- Updated the email domain from 'quic' to 'oss'.
v4 Link: https://lore.kernel.org/all/20250503111029.3583807-5-quic_vdadhani@quicinc.com/
v3 -> v4:
- Add a patch dependency note.
v3 Link: https://lore.kernel.org/linux-arm-msm/20250303124349.3474185-9-quic_vdadhani@quicinc.com/
v2 -> v3:
- Load firmware only if the protocol is invalid.
v2 Link: https://lore.kernel.org/linux-arm-msm/20250124105309.295769-8-quic_vdadhani@quicinc.com/
v1 -> v2:
- No change.
v1 Link: https://lore.kernel.org/linux-arm-msm/20241204150326.1470749-7-quic_vdadhani@quicinc.com/
---
---
drivers/spi/spi-geni-qcom.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c
index 768d7482102a..a0d8d3425c6c 100644
--- a/drivers/spi/spi-geni-qcom.c
+++ b/drivers/spi/spi-geni-qcom.c
@@ -671,6 +671,12 @@ static int spi_geni_init(struct spi_geni_master *mas)
goto out_pm;
}
spi_slv_setup(mas);
+ } else if (proto == GENI_SE_INVALID_PROTO) {
+ ret = geni_load_se_firmware(se, GENI_SE_SPI);
+ if (ret) {
+ dev_err(mas->dev, "spi master firmware load failed ret: %d\n", ret);
+ goto out_pm;
+ }
} else if (proto != GENI_SE_SPI) {
dev_err(mas->dev, "Invalid proto %d\n", proto);
goto out_pm;
--
2.34.1