git: ed53e350d703 - main - linuxkpi: Define `ioremap_cache()`

From: Jean-Sébastien Pédron <dumbbell_at_FreeBSD.org>
Date: Mon, 16 Jan 2023 18:27:39 UTC
The branch main has been updated by dumbbell (ports committer):

URL: https://cgit.FreeBSD.org/src/commit/?id=ed53e350d703b9e3ab78d137fd59a5a9dfef8b3f

commit ed53e350d703b9e3ab78d137fd59a5a9dfef8b3f
Author:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
AuthorDate: 2022-12-30 10:36:24 +0000
Commit:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
CommitDate: 2023-01-16 18:11:58 +0000

    linuxkpi: Define `ioremap_cache()`
    
    It uses the `VM_MEMATTR_WRITE_BACK` flag on FreeBSD.
    
    It replaces `ioremap_wb()` which doesn't exist in Linux. Perhaps it
    existed in the past and was removed.
    
    Reviewed by:    emaste, manu
    Approved by:    emaste, manu
    Differential Revision:  https://reviews.freebsd.org/D37916
---
 sys/compat/linuxkpi/common/include/linux/io.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/compat/linuxkpi/common/include/linux/io.h b/sys/compat/linuxkpi/common/include/linux/io.h
index 64e8b294eeff..598ff8e0376d 100644
--- a/sys/compat/linuxkpi/common/include/linux/io.h
+++ b/sys/compat/linuxkpi/common/include/linux/io.h
@@ -424,7 +424,7 @@ _ioremap_attr(vm_paddr_t _phys_addr, unsigned long _size, int _attr)
 #else
 #define	ioremap_wc(addr, size)	ioremap_nocache(addr, size)
 #endif
-#define	ioremap_wb(addr, size)						\
+#define	ioremap_cache(addr, size)					\
     _ioremap_attr((addr), (size), VM_MEMATTR_WRITE_BACK)
 void iounmap(void *addr);
 
@@ -496,7 +496,7 @@ memremap(resource_size_t offset, size_t size, unsigned long flags)
 	void *addr = NULL;
 
 	if ((flags & MEMREMAP_WB) &&
-	    (addr = ioremap_wb(offset, size)) != NULL)
+	    (addr = ioremap_cache(offset, size)) != NULL)
 		goto done;
 	if ((flags & MEMREMAP_WT) &&
 	    (addr = ioremap_wt(offset, size)) != NULL)