Re: [PATCH] bus: fsl-mc: Remove deadcode
From: Dr. David Alan Gilbert
Date: Thu Mar 13 2025 - 09:23:13 EST
* Christophe Leroy (christophe.leroy@xxxxxxxxxx) wrote:
>
>
> Le 15/11/2024 à 16:20, linux@xxxxxxxxxxx a écrit :
> > [Vous ne recevez pas souvent de courriers de linux@xxxxxxxxxxx. Découvrez pourquoi ceci est important à https://aka.ms/LearnAboutSenderIdentification ]
> >
> > From: "Dr. David Alan Gilbert" <linux@xxxxxxxxxxx>
> >
> > fsl_mc_allocator_driver_exit() was added explicitly by
> > commit 1e8ac83b6caf ("bus: fsl-mc: add fsl_mc_allocator cleanup function")
> > but was never used.
> >
> > Remove it.
> >
> > fsl_mc_portal_reset() was added in 2015 by
> > commit 197f4d6a4a00 ("staging: fsl-mc: fsl-mc object allocator driver")
> > but was never used.
> >
> > Remove it.
> >
> > fsl_mc_portal_reset() was the only caller of dpmcp_reset().
> >
> > Remove it.
> >
> > Signed-off-by: Dr. David Alan Gilbert <linux@xxxxxxxxxxx>
>
> Acked-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Hi,
Can someone pick this old change up please? I see the PPC patchwork says
'handled elsewhere' but doesn't say where.
Thanks,
Dave
>
> > ---
> > drivers/bus/fsl-mc/dpmcp.c | 22 ----------------------
> > drivers/bus/fsl-mc/fsl-mc-allocator.c | 5 -----
> > drivers/bus/fsl-mc/fsl-mc-private.h | 6 ------
> > drivers/bus/fsl-mc/mc-io.c | 20 --------------------
> > include/linux/fsl/mc.h | 2 --
> > 5 files changed, 55 deletions(-)
> >
> > diff --git a/drivers/bus/fsl-mc/dpmcp.c b/drivers/bus/fsl-mc/dpmcp.c
> > index 5fbd0dbde24a..7816c0a728ef 100644
> > --- a/drivers/bus/fsl-mc/dpmcp.c
> > +++ b/drivers/bus/fsl-mc/dpmcp.c
> > @@ -75,25 +75,3 @@ int dpmcp_close(struct fsl_mc_io *mc_io,
> > /* send command to mc*/
> > return mc_send_command(mc_io, &cmd);
> > }
> > -
> > -/**
> > - * dpmcp_reset() - Reset the DPMCP, returns the object to initial state.
> > - * @mc_io: Pointer to MC portal's I/O object
> > - * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
> > - * @token: Token of DPMCP object
> > - *
> > - * Return: '0' on Success; Error code otherwise.
> > - */
> > -int dpmcp_reset(struct fsl_mc_io *mc_io,
> > - u32 cmd_flags,
> > - u16 token)
> > -{
> > - struct fsl_mc_command cmd = { 0 };
> > -
> > - /* prepare command */
> > - cmd.header = mc_encode_cmd_header(DPMCP_CMDID_RESET,
> > - cmd_flags, token);
> > -
> > - /* send command to mc*/
> > - return mc_send_command(mc_io, &cmd);
> > -}
> > diff --git a/drivers/bus/fsl-mc/fsl-mc-allocator.c b/drivers/bus/fsl-mc/fsl-mc-allocator.c
> > index b5e8c021fa1f..6c3beb82dd1b 100644
> > --- a/drivers/bus/fsl-mc/fsl-mc-allocator.c
> > +++ b/drivers/bus/fsl-mc/fsl-mc-allocator.c
> > @@ -656,8 +656,3 @@ int __init fsl_mc_allocator_driver_init(void)
> > {
> > return fsl_mc_driver_register(&fsl_mc_allocator_driver);
> > }
> > -
> > -void fsl_mc_allocator_driver_exit(void)
> > -{
> > - fsl_mc_driver_unregister(&fsl_mc_allocator_driver);
> > -}
> > diff --git a/drivers/bus/fsl-mc/fsl-mc-private.h b/drivers/bus/fsl-mc/fsl-mc-private.h
> > index b3520ea1b9f4..e1b7ec3ed1a7 100644
> > --- a/drivers/bus/fsl-mc/fsl-mc-private.h
> > +++ b/drivers/bus/fsl-mc/fsl-mc-private.h
> > @@ -66,10 +66,6 @@ int dpmcp_close(struct fsl_mc_io *mc_io,
> > u32 cmd_flags,
> > u16 token);
> >
> > -int dpmcp_reset(struct fsl_mc_io *mc_io,
> > - u32 cmd_flags,
> > - u16 token);
> > -
> > /*
> > * Data Path Resource Container (DPRC) API
> > */
> > @@ -631,8 +627,6 @@ int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev,
> >
> > int __init fsl_mc_allocator_driver_init(void);
> >
> > -void fsl_mc_allocator_driver_exit(void);
> > -
> > void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
> >
> > void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
> > diff --git a/drivers/bus/fsl-mc/mc-io.c b/drivers/bus/fsl-mc/mc-io.c
> > index 95b10a6cf307..a0ad7866cbfc 100644
> > --- a/drivers/bus/fsl-mc/mc-io.c
> > +++ b/drivers/bus/fsl-mc/mc-io.c
> > @@ -263,23 +263,3 @@ void fsl_mc_portal_free(struct fsl_mc_io *mc_io)
> > dpmcp_dev->consumer_link = NULL;
> > }
> > EXPORT_SYMBOL_GPL(fsl_mc_portal_free);
> > -
> > -/**
> > - * 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;
> > - struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev;
> > -
> > - error = dpmcp_reset(mc_io, 0, dpmcp_dev->mc_handle);
> > - if (error < 0) {
> > - dev_err(&dpmcp_dev->dev, "dpmcp_reset() failed: %d\n", error);
> > - return error;
> > - }
> > -
> > - return 0;
> > -}
> > -EXPORT_SYMBOL_GPL(fsl_mc_portal_reset);
> > diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h
> > index c90ec889bfc2..37316a58d2ed 100644
> > --- a/include/linux/fsl/mc.h
> > +++ b/include/linux/fsl/mc.h
> > @@ -417,8 +417,6 @@ int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev,
> >
> > void fsl_mc_portal_free(struct fsl_mc_io *mc_io);
> >
> > -int fsl_mc_portal_reset(struct fsl_mc_io *mc_io);
> > -
> > int __must_check fsl_mc_object_allocate(struct fsl_mc_device *mc_dev,
> > enum fsl_mc_pool_type pool_type,
> > struct fsl_mc_device **new_mc_adev);
> > --
> > 2.47.0
> >
>
--
-----Open up your eyes, open up your mind, open up your code -------
/ Dr. David Alan Gilbert | Running GNU/Linux | Happy \
\ dave @ treblig.org | | In Hex /
\ _________________________|_____ http://www.treblig.org |_______/