From: Haavard Skinnemoen <hskinnemoen@atmel.com>
To: linux-arch@vger.kernel.org
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Subject: [PATCH 5/13] Generic ioremap_page_range: cris conversion
Date: Tue, 08 Aug 2006 14:23:07 +0200 [thread overview]
Message-ID: <1155039796165-git-send-email-hskinnemoen@atmel.com> (raw)
In-Reply-To: <11550397962723-git-send-email-hskinnemoen@atmel.com>
Convert CRIS to use generic ioremap_page_range()
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
---
arch/cris/mm/ioremap.c | 88 ++----------------------------------------------
1 files changed, 3 insertions(+), 85 deletions(-)
diff --git a/arch/cris/mm/ioremap.c b/arch/cris/mm/ioremap.c
index 1780df3..8b0b934 100644
--- a/arch/cris/mm/ioremap.c
+++ b/arch/cris/mm/ioremap.c
@@ -10,93 +10,10 @@
*/
#include <linux/vmalloc.h>
-#include <asm/io.h>
+#include <linux/io.h>
#include <asm/pgalloc.h>
-#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
#include <asm/arch/memmap.h>
-static inline void remap_area_pte(pte_t * pte, unsigned long address, unsigned long size,
- unsigned long phys_addr, pgprot_t prot)
-{
- unsigned long end;
-
- address &= ~PMD_MASK;
- end = address + size;
- if (end > PMD_SIZE)
- end = PMD_SIZE;
- if (address >= end)
- BUG();
- do {
- if (!pte_none(*pte)) {
- printk("remap_area_pte: page already exists\n");
- BUG();
- }
- set_pte(pte, mk_pte_phys(phys_addr, prot));
- address += PAGE_SIZE;
- phys_addr += PAGE_SIZE;
- pte++;
- } while (address && (address < end));
-}
-
-static inline int remap_area_pmd(pmd_t * pmd, unsigned long address, unsigned long size,
- unsigned long phys_addr, pgprot_t prot)
-{
- unsigned long end;
-
- address &= ~PGDIR_MASK;
- end = address + size;
- if (end > PGDIR_SIZE)
- end = PGDIR_SIZE;
- phys_addr -= address;
- if (address >= end)
- BUG();
- do {
- pte_t * pte = pte_alloc_kernel(pmd, address);
- if (!pte)
- return -ENOMEM;
- remap_area_pte(pte, address, end - address, address + phys_addr, prot);
- address = (address + PMD_SIZE) & PMD_MASK;
- pmd++;
- } while (address && (address < end));
- return 0;
-}
-
-static int remap_area_pages(unsigned long address, unsigned long phys_addr,
- unsigned long size, pgprot_t prot)
-{
- int error;
- pgd_t * dir;
- unsigned long end = address + size;
-
- phys_addr -= address;
- dir = pgd_offset(&init_mm, address);
- flush_cache_all();
- if (address >= end)
- BUG();
- do {
- pud_t *pud;
- pmd_t *pmd;
-
- error = -ENOMEM;
- pud = pud_alloc(&init_mm, dir, address);
- if (!pud)
- break;
- pmd = pmd_alloc(&init_mm, pud, address);
-
- if (!pmd)
- break;
- if (remap_area_pmd(pmd, address, end - address,
- phys_addr + address, prot))
- break;
- error = 0;
- address = (address + PGDIR_SIZE) & PGDIR_MASK;
- dir++;
- } while (address && (address < end));
- flush_tlb_all();
- return error;
-}
-
/*
* Generic mapping function (not visible outside):
*/
@@ -135,7 +52,8 @@ void __iomem * __ioremap_prot(unsigned l
if (!area)
return NULL;
addr = (void __iomem *)area->addr;
- if (remap_area_pages((unsigned long) addr, phys_addr, size, prot)) {
+ if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size,
+ phys_addr, prot)) {
vfree((void __force *)addr);
return NULL;
}
--
1.4.0
next prev parent reply other threads:[~2006-08-08 12:23 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-08 12:23 [PATCH 0/13] Generic ioremap_page_range: introduction Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 1/13] Generic ioremap_page_range: implementation Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 2/13] Generic ioremap_page_range: alpha conversion Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 3/13] Generic ioremap_page_range: arm conversion Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 4/13] Generic ioremap_page_range: avr32 conversion Haavard Skinnemoen
2006-08-08 12:23 ` Haavard Skinnemoen [this message]
2006-08-08 12:23 ` [PATCH 6/13] Generic ioremap_page_range: i386 conversion Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 7/13] Generic ioremap_page_range: m32r conversion Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 8/13] Generic ioremap_page_range: mips conversion Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 9/13] Generic ioremap_page_range: parisc conversion Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 10/13] Generic ioremap_page_range: s390 conversion Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 11/13] Generic ioremap_page_range: sh conversion Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 12/13] Generic ioremap_page_range: sh64 conversion Haavard Skinnemoen
2006-08-08 12:23 ` [PATCH 13/13] Generic ioremap_page_range: x86_64 conversion Haavard Skinnemoen
2006-08-08 12:28 ` Andi Kleen
2006-08-08 12:30 ` Jan-Benedict Glaw
2006-08-08 14:38 ` [PATCH 9/13] Generic ioremap_page_range: parisc conversion Kyle McMartin
2006-08-08 14:48 ` Kyle McMartin
2006-08-08 15:13 ` Haavard Skinnemoen
2006-08-08 15:37 ` James Bottomley
2006-08-08 22:26 ` [PATCH 0/13] Generic ioremap_page_range: introduction David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1155039796165-git-send-email-hskinnemoen@atmel.com \
--to=hskinnemoen@atmel.com \
--cc=linux-arch@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox