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[PATCH] frv: miscellaneous changes

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Fix a number of miscellanous items:

 (1) Declare lock sections in the linker script.

 (2) Recurse in the correct manner in the arch makefile.

 (3) asm/bug.h requires asm/linkage.h to be included first. One C file puts
     asm/bug.h first.

 (4) Add an empty RTC header file to avoid missing header file errors.

 (5) sg_dma_address() should use the dma_address member of a scatter list.

 (6) Add trivial pci_unmap support.

 (7) Add pgprot_noncached()

 (8) Discard u_quad_t.

 (9) Use ~0UL rather than ULONG_MAX in unistd.h in case the latter isn't
     declared.

(10) Add an empty VGA header file to avoid missing header file errors.

(11) Add an XOR header file to use the generic XOR stuff.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
David Howells 2006-01-08 01:01:25 -08:00 committed by Linus Torvalds
parent 5c15d41bab
commit 41be6aef38
11 changed files with 54 additions and 6 deletions
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6
arch/frv/Makefile
View file

@ -109,10 +109,10 @@ bootstrap:
$(Q)$(MAKEBOOT) bootstrap
archmrproper:
$(Q)$(MAKE) -C arch/frv/boot mrproper
$(Q)$(MAKE) $(build)=arch/frv/boot mrproper
archclean:
$(Q)$(MAKE) -C arch/frv/boot clean
$(Q)$(MAKE) $(build)=arch/frv/boot clean
archdep: scripts/mkdep symlinks
$(Q)$(MAKE) -C arch/frv/boot dep
$(Q)$(MAKE) $(build)=arch/frv/boot dep

1
arch/frv/kernel/vmlinux.lds.S
View file

@ -112,6 +112,7 @@ SECTIONS
#endif
)
SCHED_TEXT
LOCK_TEXT
*(.fixup)
*(.gnu.warning)
*(.exitcall.exit)

1
include/asm-frv/bug.h
View file

@ -12,6 +12,7 @@
#define _ASM_BUG_H
#include <linux/config.h>
#include <linux/linkage.h>
#ifdef CONFIG_BUG
/*

2
include/asm-frv/dma-mapping.h
View file

@ -23,7 +23,7 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t
* returns, or alternatively stop on the first sg_dma_len(sg) which
* is 0.
*/
#define sg_dma_address(sg) ((unsigned long) (page_to_phys((sg)->page) + (sg)->offset))
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->length)
/*

16
include/asm-frv/mc146818rtc.h Normal file
View file

@ -0,0 +1,16 @@
/* mc146818rtc.h: RTC defs
*
* Copyright (C) 2005 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _ASM_MC146818RTC_H
#define _ASM_MC146818RTC_H
#endif /* _ASM_MC146818RTC_H */

8
include/asm-frv/pci.h
View file

@ -57,6 +57,14 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
*/
#define PCI_DMA_BUS_IS_PHYS (1)
/* pci_unmap_{page,single} is a nop so... */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
#define pci_unmap_addr(PTR, ADDR_NAME) (0)
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
#define pci_unmap_len(PTR, LEN_NAME) (0)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,

5
include/asm-frv/pgtable.h
View file

@ -420,6 +420,11 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
asm volatile("dcf %M0" :: "U"(*ptep));
}
/*
* Macro to mark a page protection value as "uncacheable"
*/
#define pgprot_noncached(prot) (__pgprot(pgprot_val(prot) | _PAGE_NOCACHE))
/*
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.

1
include/asm-frv/types.h
View file

@ -59,7 +59,6 @@ typedef unsigned int u32;
typedef signed long long s64;
typedef unsigned long long u64;
typedef u64 u_quad_t;
/* Dma addresses are 32-bits wide. */

2
include/asm-frv/unistd.h
View file

@ -313,7 +313,7 @@ do { \
unsigned long __sr2 = (res); \
if (__builtin_expect(__sr2 >= (unsigned long)(-4095), 0)) { \
errno = (-__sr2); \
__sr2 = ULONG_MAX; \
__sr2 = ~0UL; \
} \
return (type) __sr2; \
} while (0)

17
include/asm-frv/vga.h Normal file
View file

@ -0,0 +1,17 @@
/* vga.h: VGA register stuff
*
* Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _ASM_VGA_H
#define _ASM_VGA_H
#endif /* _ASM_VGA_H */

1
include/asm-frv/xor.h Normal file
View file

@ -0,0 +1 @@
#include <asm-generic/xor.h>