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LinuxKPI: Add IOMEM_ERR_PTR() to linux/io.h

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The function creates an error pointer.

Sponsored by:	Serenity Cyber Security, LLC
Reviewed by:	manu, bz
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D42805

(cherry picked from commit af787b8e8b803dbb2c6bd06629974ba39bd0fb70)
This commit is contained in:
Vladimir Kondratyev 2023-12-24 11:19:59 +03:00
parent f3ce597171
commit 67cc189db4
1 changed files with 3 additions and 0 deletions
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3
sys/compat/linuxkpi/common/include/linux/io.h
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@ -35,6 +35,7 @@
#include <machine/vm.h>
#include <linux/compiler.h>
#include <linux/err.h>
#include <linux/types.h>
#if !defined(__arm__)
#include <asm/set_memory.h>
@ -528,6 +529,8 @@ memunmap(void *addr)
iounmap(addr);
}
#define IOMEM_ERR_PTR(err) (void __iomem *)ERR_PTR(err)
#define __MTRR_ID_BASE 1
int lkpi_arch_phys_wc_add(unsigned long, unsigned long);
void lkpi_arch_phys_wc_del(int);