Message ID | 20250313183440.261872-5-Raju.Rangoju@amd.com |
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spi: Add driver to support AMD eSPI controller
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diff --git a/drivers/spi/espi-amd-dev.c b/drivers/spi/espi-amd-dev.c index 79224f4f86fa..ba2becdec8e6 100644 --- a/drivers/spi/espi-amd-dev.c +++ b/drivers/spi/espi-amd-dev.c @@ -182,6 +182,11 @@ static long amd_espi_ioctl(struct file *filp, unsigned int cmd, unsigned long ar case ESPI_GET_CONFIG: ret = amd_espi_ioctl_get_conf(amd_espi, arg); break; + case ESPI_INBAND_RESET: + ret = amd_espi_inband_reset(amd_espi); + if (ret != CB_SUCCESS) + dev_err(amd_espi->dev, "In-band reset failed!\n"); + break; default: dev_err(amd_espi->dev, "ESPI command not found, returning error\n"); ret = -EINVAL; diff --git a/drivers/spi/espi-amd.h b/drivers/spi/espi-amd.h index bc15f7417c37..3c6e9b92c08d 100644 --- a/drivers/spi/espi-amd.h +++ b/drivers/spi/espi-amd.h @@ -142,6 +142,7 @@ #define ESPI_MAGIC_NUMBER 'i' #define ESPI_SET_CONFIG _IOW(ESPI_MAGIC_NUMBER, 0x1, struct config) #define ESPI_GET_CONFIG _IOR(ESPI_MAGIC_NUMBER, 0x2, struct config) +#define ESPI_INBAND_RESET _IO(ESPI_MAGIC_NUMBER, 0x3) /* * enum amd_espi_versions - eSPI controller versions