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Merge master.kernel.org:/home/rmk/linux-2.6-arm

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This commit is contained in:
Linus Torvalds 2005-12-01 15:53:33 -08:00
commit ca98f825ea
6 changed files with 51 additions and 10 deletions
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19
arch/arm/configs/spitz_defconfig
View file

@ -897,7 +897,24 @@ CONFIG_UNIX98_PTYS=y
#
# I2C support
#
# CONFIG_I2C is not set
CONFIG_I2C=y
# CONFIG_I2C_CHARDEV is not set
#
# I2C Algorithms
#
# CONFIG_I2C_ALGOBIT is not set
# CONFIG_I2C_ALGOPCF is not set
# CONFIG_I2C_ALGOPCA is not set
#
# I2C Hardware Bus support
#
CONFIG_I2C_PXA=y
# CONFIG_I2C_PXA_SLAVE is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_STUB is not set
# CONFIG_I2C_PCA_ISA is not set
#
# Hardware Monitoring support

2
arch/arm/mach-ixp4xx/ixdp425-setup.c
View file

@ -85,7 +85,7 @@ static struct plat_serial8250_port ixdp425_uart_data[] = {
{
.mapbase = IXP4XX_UART2_BASE_PHYS,
.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
.irq = IRQ_IXP4XX_UART1,
.irq = IRQ_IXP4XX_UART2,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
.regshift = 2,

2
arch/arm/mach-pxa/Kconfig
View file

@ -77,6 +77,8 @@ config MACH_AKITA
depends PXA_SHARPSL_27x
select PXA_SHARP_Cxx00
select MACH_SPITZ
select I2C
select I2C_PXA
config MACH_SPITZ
bool "Enable Sharp Zaurus SL-3000 (Spitz) Support"

7
arch/arm/mm/flush.c
View file

@ -155,14 +155,19 @@ static void __flush_dcache_aliases(struct address_space *mapping, struct page *p
* space mappings, we can be lazy and remember that we may have dirty
* kernel cache lines for later. Otherwise, we assume we have
* aliasing mappings.
*
* Note that we disable the lazy flush for SMP.
*/
void flush_dcache_page(struct page *page)
{
struct address_space *mapping = page_mapping(page);
#ifndef CONFIG_SMP
if (mapping && !mapping_mapped(mapping))
set_bit(PG_dcache_dirty, &page->flags);
else {
else
#endif
{
__flush_dcache_page(mapping, page);
if (mapping && cache_is_vivt())
__flush_dcache_aliases(mapping, page);

5
include/asm-arm/semaphore.h
View file

@ -47,11 +47,6 @@ static inline void init_MUTEX_LOCKED(struct semaphore *sem)
sema_init(sem, 0);
}
static inline int sema_count(struct semaphore *sem)
{
return atomic_read(&sem->count);
}
/*
* special register calling convention
*/

26
include/asm-arm/spinlock.h
View file

@ -30,6 +30,9 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
__asm__ __volatile__(
"1: ldrex %0, [%1]\n"
" teq %0, #0\n"
#ifdef CONFIG_CPU_32v6K
" wfene\n"
#endif
" strexeq %0, %2, [%1]\n"
" teqeq %0, #0\n"
" bne 1b"
@ -65,7 +68,11 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
smp_mb();
__asm__ __volatile__(
" str %1, [%0]"
" str %1, [%0]\n"
#ifdef CONFIG_CPU_32v6K
" mcr p15, 0, %1, c7, c10, 4\n" /* DSB */
" sev"
#endif
:
: "r" (&lock->lock), "r" (0)
: "cc");
@ -87,6 +94,9 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
__asm__ __volatile__(
"1: ldrex %0, [%1]\n"
" teq %0, #0\n"
#ifdef CONFIG_CPU_32v6K
" wfene\n"
#endif
" strexeq %0, %2, [%1]\n"
" teq %0, #0\n"
" bne 1b"
@ -122,7 +132,11 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
smp_mb();
__asm__ __volatile__(
"str %1, [%0]"
"str %1, [%0]\n"
#ifdef CONFIG_CPU_32v6K
" mcr p15, 0, %1, c7, c10, 4\n" /* DSB */
" sev\n"
#endif
:
: "r" (&rw->lock), "r" (0)
: "cc");
@ -148,6 +162,9 @@ static inline void __raw_read_lock(raw_rwlock_t *rw)
"1: ldrex %0, [%2]\n"
" adds %0, %0, #1\n"
" strexpl %1, %0, [%2]\n"
#ifdef CONFIG_CPU_32v6K
" wfemi\n"
#endif
" rsbpls %0, %1, #0\n"
" bmi 1b"
: "=&r" (tmp), "=&r" (tmp2)
@ -169,6 +186,11 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw)
" strex %1, %0, [%2]\n"
" teq %1, #0\n"
" bne 1b"
#ifdef CONFIG_CPU_32v6K
"\n cmp %0, #0\n"
" mcreq p15, 0, %0, c7, c10, 4\n"
" seveq"
#endif
: "=&r" (tmp), "=&r" (tmp2)
: "r" (&rw->lock)
: "cc");