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>
38 lines
798 B
C
38 lines
798 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2015, Christoph Hellwig.
|
|
* Copyright (c) 2015, Intel Corporation.
|
|
*/
|
|
#include <linux/platform_device.h>
|
|
#include <linux/init.h>
|
|
#include <linux/ioport.h>
|
|
|
|
static int found(struct resource *res, void *data)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static __init int register_e820_pmem(void)
|
|
{
|
|
struct platform_device *pdev;
|
|
int rc;
|
|
|
|
rc = walk_iomem_res_desc(IORES_DESC_PERSISTENT_MEMORY_LEGACY,
|
|
IORESOURCE_MEM, 0, -1, NULL, found);
|
|
if (rc <= 0)
|
|
return 0;
|
|
|
|
/*
|
|
* See drivers/nvdimm/e820.c for the implementation, this is
|
|
* simply here to trigger the module to load on demand.
|
|
*/
|
|
pdev = platform_device_alloc("e820_pmem", -1);
|
|
|
|
rc = platform_device_add(pdev);
|
|
if (rc)
|
|
platform_device_put(pdev);
|
|
|
|
return rc;
|
|
}
|
|
device_initcall(register_e820_pmem);
|