int fsl_mc_io_set_dpmcp(struct fsl_mc_io *mc_io,
struct fsl_mc_device *dpmcp_dev)
{
int error;
if (WARN_ON(!dpmcp_dev))
return -EINVAL;
if (WARN_ON(mc_io->dpmcp_dev))
return -EINVAL;
if (WARN_ON(dpmcp_dev->mc_io))
return -EINVAL;
error = dpmcp_open(mc_io,
0,
dpmcp_dev->obj_desc.id,
&dpmcp_dev->mc_handle);
if (error < 0)
return error;
mc_io->dpmcp_dev = dpmcp_dev;
dpmcp_dev->mc_io = mc_io;
return 0;
}
/**
* fsl_mc_portal_reset - Resets the dpmcp object for a given fsl_mc_io object
*
* @mc_io: Pointer to the fsl_mc_io object that wraps the MC portal to free
*/
int fsl_mc_portal_reset(struct fsl_mc_io *mc_io)
{
int error;
uint16_t token;
struct fsl_mc_resource *resource = mc_io->resource;
struct fsl_mc_device *mc_dev = resource->data;
if (WARN_ON(resource->type != FSL_MC_POOL_DPMCP))
return -EINVAL;
if (WARN_ON(!mc_dev))
return -EINVAL;
error = dpmcp_open(mc_io, mc_dev->obj_desc.id, &token);
if (error < 0) {
dev_err(&mc_dev->dev, "dpmcp_open() failed: %d\n", error);
return error;
}
error = dpmcp_reset(mc_io, token);
if (error < 0) {
dev_err(&mc_dev->dev, "dpmcp_reset() failed: %d\n", error);
return error;
}
error = dpmcp_close(mc_io, token);
if (error < 0) {
dev_err(&mc_dev->dev, "dpmcp_close() failed: %d\n", error);
return error;
}
return 0;
}