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OpenCloudOS-Kernel
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
  favr32: improve touchscreen response
  avr32/lib: fix unaligned memcpy where len < 4
  avr32/lib: fix unaligned memcpy()
This commit is contained in:
Linus Torvalds 2009-08-24 12:26:48 -07:00
parent 22e93eddd9 92c548cd35
commit e40c9056db
2 changed files with 17 additions and 3 deletions
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4
arch/avr32/boards/favr-32/setup.c
View File

@ -72,6 +72,10 @@ static struct ads7846_platform_data ads7843_data = {
.debounce_max = 20,
.debounce_rep = 4,
.debounce_tol = 5,
.keep_vref_on = true,
.settle_delay_usecs = 500,
.penirq_recheck_delay_usecs = 100,
};
static struct spi_board_info __initdata spi1_board_info[] = {

16
arch/avr32/lib/memcpy.S
View File

@ -24,8 +24,8 @@ memcpy:
brne 1f
/* At this point, "from" is word-aligned */
2: sub r10, 4
mov r9, r12
2: mov r9, r12
5: sub r10, 4
brlt 4f
3: ld.w r8, r11++
@ -49,6 +49,7 @@ memcpy:
/* Handle unaligned "from" pointer */
1: sub r10, 4
movlt r9, r12
brlt 4b
add r10, r9
lsl r9, 2
@ -59,4 +60,13 @@ memcpy:
st.b r12++, r8
ld.ub r8, r11++
st.b r12++, r8
rjmp 2b
mov r8, r12
add pc, pc, r9
sub r8, 1
nop
sub r8, 1
nop
sub r8, 1
nop
mov r9, r8
rjmp 5b