Files
cubelinux-kernel/arch/riscv/mm/pmem.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
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>
2026-02-19 16:33:27 +01:00

35 lines
836 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022 Ventana Micro Systems Inc.
*/
#include <linux/export.h>
#include <linux/libnvdimm.h>
#include <asm/cacheflush.h>
#include <asm/dma-noncoherent.h>
void arch_wb_cache_pmem(void *addr, size_t size)
{
#ifdef CONFIG_RISCV_NONSTANDARD_CACHE_OPS
if (unlikely(noncoherent_cache_ops.wback)) {
noncoherent_cache_ops.wback(virt_to_phys(addr), size);
return;
}
#endif
ALT_CMO_OP(CLEAN, addr, size, riscv_cbom_block_size);
}
EXPORT_SYMBOL_GPL(arch_wb_cache_pmem);
void arch_invalidate_pmem(void *addr, size_t size)
{
#ifdef CONFIG_RISCV_NONSTANDARD_CACHE_OPS
if (unlikely(noncoherent_cache_ops.inv)) {
noncoherent_cache_ops.inv(virt_to_phys(addr), size);
return;
}
#endif
ALT_CMO_OP(INVAL, addr, size, riscv_cbom_block_size);
}
EXPORT_SYMBOL_GPL(arch_invalidate_pmem);