[18/26] m68k: rename __iounmap and mark it static
diff mbox series

Message ID 20190817073253.27819-19-hch@lst.de
State Not Applicable
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Series
  • [01/26] mtd/maps/pxa2xx: use ioremap_cache insted of ioremap_cached
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Commit Message

Christoph Hellwig Aug. 17, 2019, 7:32 a.m. UTC
m68k uses __iounmap as the name for an internal helper that is only
used for some CPU types.  Mark it static and give it a better name.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/m68k/include/asm/kmap.h | 1 -
 arch/m68k/mm/kmap.c          | 9 ++++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

Comments

Geert Uytterhoeven Aug. 19, 2019, 9 a.m. UTC | #1
Hi Christoph,

On Sat, Aug 17, 2019 at 9:49 AM Christoph Hellwig <hch@lst.de> wrote:
> m68k uses __iounmap as the name for an internal helper that is only
> used for some CPU types.  Mark it static and give it a better name.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Thanks for your patch!

> --- a/arch/m68k/mm/kmap.c
> +++ b/arch/m68k/mm/kmap.c
> @@ -52,6 +52,7 @@ static inline void free_io_area(void *addr)
>
>  #define IO_SIZE                (256*1024)
>
> +static void __free_io_area(void *addr, unsigned long size);
>  static struct vm_struct *iolist;
>
>  static struct vm_struct *get_io_area(unsigned long size)
> @@ -90,7 +91,7 @@ static inline void free_io_area(void *addr)
>                 if (tmp->addr == addr) {
>                         *p = tmp->next;
>                         /* remove gap added in get_io_area() */
> -                       __iounmap(tmp->addr, tmp->size - IO_SIZE);
> +                       __free_io_area(tmp->addr, tmp->size - IO_SIZE);
>                         kfree(tmp);
>                         return;
>                 }
> @@ -249,12 +250,13 @@ void iounmap(void __iomem *addr)
>  }
>  EXPORT_SYMBOL(iounmap);
>
> +#ifndef CPU_M68040_OR_M68060_ONLY

Cant you move this block up, to avoid adding more #ifdef cluttery?
The rest looks good to me.

>  /*
> - * __iounmap unmaps nearly everything, so be careful
> + * __free_io_area unmaps nearly everything, so be careful
>   * Currently it doesn't free pointer/page tables anymore but this
>   * wasn't used anyway and might be added later.
>   */
> -void __iounmap(void *addr, unsigned long size)
> +static void __free_io_area(void *addr, unsigned long size)
>  {
>         unsigned long virtaddr = (unsigned long)addr;
>         pgd_t *pgd_dir;
> @@ -297,6 +299,7 @@ void __iounmap(void *addr, unsigned long size)
>
>         flush_tlb_all();
>  }
> +#endif /* CPU_M68040_OR_M68060_ONLY */
>
>  /*
>   * Set new cache mode for some kernel address space.

Gr{oetje,eeting}s,

                        Geert

Patch
diff mbox series

diff --git a/arch/m68k/include/asm/kmap.h b/arch/m68k/include/asm/kmap.h
index 421b6c9c769d..559cb91bede1 100644
--- a/arch/m68k/include/asm/kmap.h
+++ b/arch/m68k/include/asm/kmap.h
@@ -20,7 +20,6 @@  extern void __iomem *__ioremap(unsigned long physaddr, unsigned long size,
 			       int cacheflag);
 #define iounmap iounmap
 extern void iounmap(void __iomem *addr);
-extern void __iounmap(void *addr, unsigned long size);
 
 #define ioremap ioremap
 static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c
index 40a3b327da07..4c279cf0bcc8 100644
--- a/arch/m68k/mm/kmap.c
+++ b/arch/m68k/mm/kmap.c
@@ -52,6 +52,7 @@  static inline void free_io_area(void *addr)
 
 #define IO_SIZE		(256*1024)
 
+static void __free_io_area(void *addr, unsigned long size);
 static struct vm_struct *iolist;
 
 static struct vm_struct *get_io_area(unsigned long size)
@@ -90,7 +91,7 @@  static inline void free_io_area(void *addr)
 		if (tmp->addr == addr) {
 			*p = tmp->next;
 			/* remove gap added in get_io_area() */
-			__iounmap(tmp->addr, tmp->size - IO_SIZE);
+			__free_io_area(tmp->addr, tmp->size - IO_SIZE);
 			kfree(tmp);
 			return;
 		}
@@ -249,12 +250,13 @@  void iounmap(void __iomem *addr)
 }
 EXPORT_SYMBOL(iounmap);
 
+#ifndef CPU_M68040_OR_M68060_ONLY
 /*
- * __iounmap unmaps nearly everything, so be careful
+ * __free_io_area unmaps nearly everything, so be careful
  * Currently it doesn't free pointer/page tables anymore but this
  * wasn't used anyway and might be added later.
  */
-void __iounmap(void *addr, unsigned long size)
+static void __free_io_area(void *addr, unsigned long size)
 {
 	unsigned long virtaddr = (unsigned long)addr;
 	pgd_t *pgd_dir;
@@ -297,6 +299,7 @@  void __iounmap(void *addr, unsigned long size)
 
 	flush_tlb_all();
 }
+#endif /* CPU_M68040_OR_M68060_ONLY */
 
 /*
  * Set new cache mode for some kernel address space.