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bus/fsl-mc: Add generic implementation for open/reset/close commands

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The open/reset/close commands format is similar for all objects.
Currently there are multiple implementations for these commands
scattered through various drivers. The code is cavsi-identical.
Create a generic implementation for the open/reset/close commands.
One of the consumer will be the VFIO driver which needs to
be able to reset a device.

Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20210922110530.24736-1-diana.craciun@oss.nxp.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Diana Craciun 2021-09-22 14:05:29 +03:00 • committed by Alex Williamson
parent 5816b3e657
commit fec2432c9a
4 changed files with 154 additions and 5 deletions
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14
include/linux/fsl/mc.h
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@ -620,6 +620,20 @@ int dpcon_reset(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int fsl_mc_obj_open(struct fsl_mc_io *mc_io,
u32 cmd_flags,
int obj_id,
char *obj_type,
u16 *token);
int fsl_mc_obj_close(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int fsl_mc_obj_reset(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
/**
* struct dpcon_attr - Structure representing DPCON attributes
* @id: DPCON object ID