Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
32 lines
742 B
C
32 lines
742 B
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Copyright (C) 2021-2022 Digiteq Automotive
|
|
* author: Martin Tuma <martin.tuma@digiteqautomotive.com>
|
|
*/
|
|
|
|
#include <linux/ioport.h>
|
|
#include <linux/errno.h>
|
|
#include "mgb4_regs.h"
|
|
|
|
int mgb4_regs_map(struct resource *res, struct mgb4_regs *regs)
|
|
{
|
|
regs->mapbase = res->start;
|
|
regs->mapsize = resource_size(res);
|
|
|
|
if (!request_mem_region(regs->mapbase, regs->mapsize, res->name))
|
|
return -EINVAL;
|
|
regs->membase = ioremap(regs->mapbase, regs->mapsize);
|
|
if (!regs->membase) {
|
|
release_mem_region(regs->mapbase, regs->mapsize);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void mgb4_regs_free(struct mgb4_regs *regs)
|
|
{
|
|
iounmap(regs->membase);
|
|
release_mem_region(regs->mapbase, regs->mapsize);
|
|
}
|