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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-22 22:11:30 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-22 22:11:30 -0700
commit45c091bb2d453ce4a8b06cf19872ec7a77fc4799 (patch)
tree06fb2e05518ebfba163f8424e028e7faf5672d66 /arch/powerpc/kernel/rtas-rtc.c
parentd588fcbe5a7ba8bba2cebf7799ab2d573717a806 (diff)
parent2191fe3e39159e3375f4b7ec1420df149f154101 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (139 commits) [POWERPC] re-enable OProfile for iSeries, using timer interrupt [POWERPC] support ibm,extended-*-frequency properties [POWERPC] Extra sanity check in EEH code [POWERPC] Dont look for class-code in pci children [POWERPC] Fix mdelay badness on shared processor partitions [POWERPC] disable floating point exceptions for init [POWERPC] Unify ppc syscall tables [POWERPC] mpic: add support for serial mode interrupts [POWERPC] pseries: Print PCI slot location code on failure [POWERPC] spufs: one more fix for 64k pages [POWERPC] spufs: fail spu_create with invalid flags [POWERPC] spufs: clear class2 interrupt status before wakeup [POWERPC] spufs: fix Makefile for "make clean" [POWERPC] spufs: remove stop_code from struct spu [POWERPC] spufs: fix spu irq affinity setting [POWERPC] spufs: further abstract priv1 register access [POWERPC] spufs: split the Cell BE support into generic and platform dependant parts [POWERPC] spufs: dont try to access SPE channel 1 count [POWERPC] spufs: use kzalloc in create_spu [POWERPC] spufs: fix initial state of wbox file ... Manually resolved conflicts in: drivers/net/phy/Makefile include/asm-powerpc/spu.h
Diffstat (limited to 'arch/powerpc/kernel/rtas-rtc.c')
-rw-r--r--arch/powerpc/kernel/rtas-rtc.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/rtas-rtc.c b/arch/powerpc/kernel/rtas-rtc.c
index 34d073fb609..77578c093dd 100644
--- a/arch/powerpc/kernel/rtas-rtc.c
+++ b/arch/powerpc/kernel/rtas-rtc.c
@@ -14,19 +14,20 @@
unsigned long __init rtas_get_boot_time(void)
{
int ret[8];
- int error, wait_time;
+ int error;
+ unsigned int wait_time;
u64 max_wait_tb;
max_wait_tb = get_tb() + tb_ticks_per_usec * 1000 * MAX_RTC_WAIT;
do {
error = rtas_call(rtas_token("get-time-of-day"), 0, 8, ret);
- if (error == RTAS_CLOCK_BUSY || rtas_is_extended_busy(error)) {
- wait_time = rtas_extended_busy_delay_time(error);
+
+ wait_time = rtas_busy_delay_time(error);
+ if (wait_time) {
/* This is boot time so we spin. */
udelay(wait_time*1000);
- error = RTAS_CLOCK_BUSY;
}
- } while (error == RTAS_CLOCK_BUSY && (get_tb() < max_wait_tb));
+ } while (wait_time && (get_tb() < max_wait_tb));
if (error != 0 && printk_ratelimit()) {
printk(KERN_WARNING "error: reading the clock failed (%d)\n",
@@ -44,24 +45,25 @@ unsigned long __init rtas_get_boot_time(void)
void rtas_get_rtc_time(struct rtc_time *rtc_tm)
{
int ret[8];
- int error, wait_time;
+ int error;
+ unsigned int wait_time;
u64 max_wait_tb;
max_wait_tb = get_tb() + tb_ticks_per_usec * 1000 * MAX_RTC_WAIT;
do {
error = rtas_call(rtas_token("get-time-of-day"), 0, 8, ret);
- if (error == RTAS_CLOCK_BUSY || rtas_is_extended_busy(error)) {
+
+ wait_time = rtas_busy_delay_time(error);
+ if (wait_time) {
if (in_interrupt() && printk_ratelimit()) {
memset(rtc_tm, 0, sizeof(struct rtc_time));
printk(KERN_WARNING "error: reading clock"
" would delay interrupt\n");
return; /* delay not allowed */
}
- wait_time = rtas_extended_busy_delay_time(error);
msleep(wait_time);
- error = RTAS_CLOCK_BUSY;
}
- } while (error == RTAS_CLOCK_BUSY && (get_tb() < max_wait_tb));
+ } while (wait_time && (get_tb() < max_wait_tb));
if (error != 0 && printk_ratelimit()) {
printk(KERN_WARNING "error: reading the clock failed (%d)\n",
@@ -88,14 +90,14 @@ int rtas_set_rtc_time(struct rtc_time *tm)
tm->tm_year + 1900, tm->tm_mon + 1,
tm->tm_mday, tm->tm_hour, tm->tm_min,
tm->tm_sec, 0);
- if (error == RTAS_CLOCK_BUSY || rtas_is_extended_busy(error)) {
+
+ wait_time = rtas_busy_delay_time(error);
+ if (wait_time) {
if (in_interrupt())
return 1; /* probably decrementer */
- wait_time = rtas_extended_busy_delay_time(error);
msleep(wait_time);
- error = RTAS_CLOCK_BUSY;
}
- } while (error == RTAS_CLOCK_BUSY && (get_tb() < max_wait_tb));
+ } while (wait_time && (get_tb() < max_wait_tb));
if (error != 0 && printk_ratelimit())
printk(KERN_WARNING "error: setting the clock failed (%d)\n",