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cdx: add device attributes

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Create sysfs entry for CDX devices.

Sysfs entries provided in each of the CDX device detected by
the CDX controller
 - vendor id
 - device id
 - remove
 - reset of the device.
 - driver override

Signed-off-by: Puneet Gupta <puneet.gupta@amd.com>
Signed-off-by: Nipun Gupta <nipun.gupta@amd.com>
Signed-off-by: Tarak Reddy <tarak.reddy@amd.com>
Reviewed-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Tested-by: Nikhil Agarwal <nikhil.agarwal@amd.com>
Link: https://lore.kernel.org/r/20230313132636.31850-8-nipun.gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nipun Gupta
2023-03-13 18:56:36 +05:30
committed by Greg Kroah-Hartman
parent 2a226927d9
commit 48a6c7bced
6 changed files with 241 additions and 0 deletions
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18
drivers/cdx/controller/cdx_controller.c
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@@ -45,6 +45,23 @@ void cdx_rpmsg_pre_remove(struct cdx_controller *cdx)
cdx_mcdi_wait_for_quiescence(cdx->priv, MCDI_RPC_TIMEOUT);
}
static int cdx_configure_device(struct cdx_controller *cdx,
u8 bus_num, u8 dev_num,
struct cdx_device_config *dev_config)
{
int ret = 0;
switch (dev_config->type) {
case CDX_DEV_RESET_CONF:
ret = cdx_mcdi_reset_device(cdx->priv, bus_num, dev_num);
break;
default:
ret = -EINVAL;
}
return ret;
}
static int cdx_scan_devices(struct cdx_controller *cdx)
{
struct cdx_mcdi *cdx_mcdi = cdx->priv;
@@ -104,6 +121,7 @@ static int cdx_scan_devices(struct cdx_controller *cdx)
static struct cdx_ops cdx_ops = {
.scan = cdx_scan_devices,
.dev_configure = cdx_configure_device,
};
static int xlnx_cdx_probe(struct platform_device *pdev)