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yaml
---
r: 1391
b: refs/heads/master
c: 1b98102
h: refs/heads/master
i:
  1389: f78c4f2
  1387: 27e5da2
  1383: e3ddca3
  1375: 02d330f
v: v3
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Linus Torvalds committed May 25, 2005
1 parent dc9abd4 commit ec8c334
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Showing 7 changed files with 72 additions and 60 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f6f3a488e56783836a0b6ca9188719a1229f505c
refs/heads/master: 1b981021e88c8c28dc6a22cb1a327d8dc9296473
85 changes: 65 additions & 20 deletions trunk/arch/ppc64/kernel/mf.c
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
/*
* mf.c
* Copyright (C) 2001 Troy D. Armstrong IBM Corporation
* Copyright (C) 2004 Stephen Rothwell IBM Corporation
* Copyright (C) 2004-2005 Stephen Rothwell IBM Corporation
*
* This modules exists as an interface between a Linux secondary partition
* running on an iSeries and the primary partition's Virtual Service
Expand Down Expand Up @@ -36,10 +36,12 @@

#include <asm/time.h>
#include <asm/uaccess.h>
#include <asm/paca.h>
#include <asm/iSeries/vio.h>
#include <asm/iSeries/mf.h>
#include <asm/iSeries/HvLpConfig.h>
#include <asm/iSeries/ItSpCommArea.h>
#include <asm/iSeries/ItLpQueue.h>

/*
* This is the structure layout for the Machine Facilites LPAR event
Expand Down Expand Up @@ -696,36 +698,23 @@ static void get_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
complete(&rtc->com);
}

int mf_get_rtc(struct rtc_time *tm)
static int rtc_set_tm(int rc, u8 *ce_msg, struct rtc_time *tm)
{
struct ce_msg_comp_data ce_complete;
struct rtc_time_data rtc_data;
int rc;

memset(&ce_complete, 0, sizeof(ce_complete));
memset(&rtc_data, 0, sizeof(rtc_data));
init_completion(&rtc_data.com);
ce_complete.handler = &get_rtc_time_complete;
ce_complete.token = &rtc_data;
rc = signal_ce_msg_simple(0x40, &ce_complete);
if (rc)
return rc;
wait_for_completion(&rtc_data.com);
tm->tm_wday = 0;
tm->tm_yday = 0;
tm->tm_isdst = 0;
if (rtc_data.rc) {
if (rc) {
tm->tm_sec = 0;
tm->tm_min = 0;
tm->tm_hour = 0;
tm->tm_mday = 15;
tm->tm_mon = 5;
tm->tm_year = 52;
return rtc_data.rc;
return rc;
}

if ((rtc_data.ce_msg.ce_msg[2] == 0xa9) ||
(rtc_data.ce_msg.ce_msg[2] == 0xaf)) {
if ((ce_msg[2] == 0xa9) ||
(ce_msg[2] == 0xaf)) {
/* TOD clock is not set */
tm->tm_sec = 1;
tm->tm_min = 1;
Expand All @@ -736,7 +725,6 @@ int mf_get_rtc(struct rtc_time *tm)
mf_set_rtc(tm);
}
{
u8 *ce_msg = rtc_data.ce_msg.ce_msg;
u8 year = ce_msg[5];
u8 sec = ce_msg[6];
u8 min = ce_msg[7];
Expand Down Expand Up @@ -765,6 +753,63 @@ int mf_get_rtc(struct rtc_time *tm)
return 0;
}

int mf_get_rtc(struct rtc_time *tm)
{
struct ce_msg_comp_data ce_complete;
struct rtc_time_data rtc_data;
int rc;

memset(&ce_complete, 0, sizeof(ce_complete));
memset(&rtc_data, 0, sizeof(rtc_data));
init_completion(&rtc_data.com);
ce_complete.handler = &get_rtc_time_complete;
ce_complete.token = &rtc_data;
rc = signal_ce_msg_simple(0x40, &ce_complete);
if (rc)
return rc;
wait_for_completion(&rtc_data.com);
return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
}

struct boot_rtc_time_data {
int busy;
struct ce_msg_data ce_msg;
int rc;
};

static void get_boot_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
{
struct boot_rtc_time_data *rtc = token;

memcpy(&rtc->ce_msg, ce_msg, sizeof(rtc->ce_msg));
rtc->rc = 0;
rtc->busy = 0;
}

int mf_get_boot_rtc(struct rtc_time *tm)
{
struct ce_msg_comp_data ce_complete;
struct boot_rtc_time_data rtc_data;
int rc;

memset(&ce_complete, 0, sizeof(ce_complete));
memset(&rtc_data, 0, sizeof(rtc_data));
rtc_data.busy = 1;
ce_complete.handler = &get_boot_rtc_time_complete;
ce_complete.token = &rtc_data;
rc = signal_ce_msg_simple(0x40, &ce_complete);
if (rc)
return rc;
/* We need to poll here as we are not yet taking interrupts */
while (rtc_data.busy) {
extern unsigned long lpevent_count;
struct ItLpQueue *lpq = get_paca()->lpqueue_ptr;
if (lpq && ItLpQueue_isLpIntPending(lpq))
lpevent_count += ItLpQueue_process(lpq, NULL);
}
return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
}

int mf_set_rtc(struct rtc_time *tm)
{
char ce_time[12];
Expand Down
39 changes: 1 addition & 38 deletions trunk/arch/ppc64/kernel/rtc.c
Original file line number Diff line number Diff line change
Expand Up @@ -292,47 +292,10 @@ int iSeries_set_rtc_time(struct rtc_time *tm)

void iSeries_get_boot_time(struct rtc_time *tm)
{
unsigned long time;
static unsigned long lastsec = 1;

u32 dataWord1 = *((u32 *)(&xSpCommArea.xBcdTimeAtIplStart));
u32 dataWord2 = *(((u32 *)&(xSpCommArea.xBcdTimeAtIplStart)) + 1);
int year = 1970;
int year1 = ( dataWord1 >> 24 ) & 0x000000FF;
int year2 = ( dataWord1 >> 16 ) & 0x000000FF;
int sec = ( dataWord1 >> 8 ) & 0x000000FF;
int min = dataWord1 & 0x000000FF;
int hour = ( dataWord2 >> 24 ) & 0x000000FF;
int day = ( dataWord2 >> 8 ) & 0x000000FF;
int mon = dataWord2 & 0x000000FF;

if ( piranha_simulator )
return;

BCD_TO_BIN(sec);
BCD_TO_BIN(min);
BCD_TO_BIN(hour);
BCD_TO_BIN(day);
BCD_TO_BIN(mon);
BCD_TO_BIN(year1);
BCD_TO_BIN(year2);
year = year1 * 100 + year2;

time = mktime(year, mon, day, hour, min, sec);
time += ( jiffies / HZ );

/* Now THIS is a nasty hack!
* It ensures that the first two calls get different answers.
* That way the loop in init_time (time.c) will not think
* the clock is stuck.
*/
if ( lastsec ) {
time -= lastsec;
--lastsec;
}

to_tm(time, tm);
tm->tm_year -= 1900;
mf_get_boot_rtc(tm);
tm->tm_mon -= 1;
}
#endif
Expand Down
1 change: 1 addition & 0 deletions trunk/arch/ppc64/kernel/time.c
Original file line number Diff line number Diff line change
Expand Up @@ -515,6 +515,7 @@ void __init time_init(void)
do_gtod.varp = &do_gtod.vars[0];
do_gtod.var_idx = 0;
do_gtod.varp->tb_orig_stamp = tb_last_stamp;
get_paca()->next_jiffy_update_tb = tb_last_stamp + tb_ticks_per_jiffy;
do_gtod.varp->stamp_xsec = xtime.tv_sec * XSEC_PER_SEC;
do_gtod.tb_ticks_per_sec = tb_ticks_per_sec;
do_gtod.varp->tb_to_xs = tb_to_xs;
Expand Down
2 changes: 1 addition & 1 deletion trunk/drivers/ide/ide-cd.c
Original file line number Diff line number Diff line change
Expand Up @@ -1933,7 +1933,7 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
/*
* check if dma is safe
*/
if ((rq->data_len & mask) || (addr & mask))
if ((rq->data_len & 3) || (addr & mask))
info->dma = 0;
}

Expand Down
2 changes: 2 additions & 0 deletions trunk/drivers/usb/atm/speedtch.c
Original file line number Diff line number Diff line change
Expand Up @@ -386,6 +386,8 @@ static void speedtch_poll_status(struct speedtch_instance_data *instance)
if (instance->u.atm_dev->signal != ATM_PHY_SIG_LOST) {
instance->u.atm_dev->signal = ATM_PHY_SIG_LOST;
printk(KERN_NOTICE "ADSL line is down\n");
/* It'll never resync again unless we ask it to... */
speedtch_start_synchro(instance);
}
break;

Expand Down
1 change: 1 addition & 0 deletions trunk/include/asm-ppc64/iSeries/mf.h
Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,7 @@ extern void mf_clear_src(void);
extern void mf_init(void);

extern int mf_get_rtc(struct rtc_time *tm);
extern int mf_get_boot_rtc(struct rtc_time *tm);
extern int mf_set_rtc(struct rtc_time *tm);

#endif /* _ASM_PPC64_ISERIES_MF_H */

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