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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-09-11 14:47:53 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-09-11 14:47:53 -0700
commitaf7b83f9324a77ef9a9080044bf0461f444ca651 (patch)
tree09dc85a0d4842d300bfac5e33d2bbf9ca87acad7 /arch
parent6e21ce9d816b9ecc2349ad652fee9c6f28c43877 (diff)
parentb868868ae0f7272228c95cc760338ffe35bb739d (diff)
downloadlinux-linaro-af7b83f9324a77ef9a9080044bf0461f444ca651.tar.gz
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Fix aliasing bug in copy_user_highpage. [MIPS] IP22: fix wrong argument order [MIPS] IP22: Fix wrong check for second HPC [MIPS] Ocelot: remove remaining bits [MIPS] TLB: Fix instruction bitmasks [MIPS] R10000: Fix wrong test in dma-default.c [MIPS] Provide empty irq_enable_hazard definition for legacy and R1 cores. [MIPS] Sibyte: Remove broken dependency on EXPERIMENTAL from SIBYTE_SB1xxx_SOC. [MIPS] Kconfig: whitespace cleanup. [MIPS] PCI: Set need_domain_info if controller domain index is non-zero. [MIPS] BCM1480: Fix computation of interrupt mask address register. [MIPS] i8259: Add disable method. [MIPS] tty: add the new ioctls and definitions.
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/mm/init.c5
-rw-r--r--arch/mips/sgi-ip22/ip22-platform.c4
-rw-r--r--arch/mips/sgi-ip22/ip22-time.c4
3 files changed, 8 insertions, 5 deletions
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 09d91505b90..5240432e6d1 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -8,6 +8,7 @@
* Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
* Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
*/
+#include <linux/bug.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/signal.h>
@@ -132,6 +133,8 @@ void *kmap_coherent(struct page *page, unsigned long addr)
pte_t pte;
int tlbidx;
+ BUG_ON(Page_dcache_dirty(page));
+
inc_preempt_count();
idx = (addr >> PAGE_SHIFT) & (FIX_N_COLOURS - 1);
#ifdef CONFIG_MIPS_MT_SMTC
@@ -208,7 +211,7 @@ void copy_user_highpage(struct page *to, struct page *from,
void *vfrom, *vto;
vto = kmap_atomic(to, KM_USER1);
- if (cpu_has_dc_aliases) {
+ if (cpu_has_dc_aliases && !Page_dcache_dirty(from)) {
vfrom = kmap_coherent(from, vaddr);
copy_page(vto, vfrom);
kunmap_coherent();
diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c
index 78b608d2d4e..28ffec8e5d1 100644
--- a/arch/mips/sgi-ip22/ip22-platform.c
+++ b/arch/mips/sgi-ip22/ip22-platform.c
@@ -150,8 +150,8 @@ static int __init sgiseeq_devinit(void)
return res;
/* Second HPC is missing? */
- if (ip22_is_fullhouse() ||
- !get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]))
+ if (!ip22_is_fullhouse() ||
+ get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]))
return 0;
sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 |
diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c
index 8e88a442b22..de3d01823ad 100644
--- a/arch/mips/sgi-ip22/ip22-time.c
+++ b/arch/mips/sgi-ip22/ip22-time.c
@@ -114,8 +114,8 @@ static unsigned long dosample(void)
} while (msb);
/* Stop the counter. */
- writeb(sgint->tcword, (SGINT_TCWORD_CNT2 | SGINT_TCWORD_CALL |
- SGINT_TCWORD_MSWST));
+ writeb(SGINT_TCWORD_CNT2 | SGINT_TCWORD_CALL | SGINT_TCWORD_MSWST,
+ &sgint->tcword);
/*
* Return the difference, this is how far the r4k counter increments
* for every 1/HZ seconds. We round off the nearest 1 MHz of master