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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/powerpc/kernel/rtas-rtc.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/kernel/rtas-rtc.c')
-rw-r--r--ANDROID_3.4.5/arch/powerpc/kernel/rtas-rtc.c112
1 files changed, 0 insertions, 112 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/kernel/rtas-rtc.c b/ANDROID_3.4.5/arch/powerpc/kernel/rtas-rtc.c
deleted file mode 100644
index c57c1935..00000000
--- a/ANDROID_3.4.5/arch/powerpc/kernel/rtas-rtc.c
+++ /dev/null
@@ -1,112 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/time.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-#include <linux/rtc.h>
-#include <linux/delay.h>
-#include <linux/ratelimit.h>
-#include <asm/prom.h>
-#include <asm/rtas.h>
-#include <asm/time.h>
-
-
-#define MAX_RTC_WAIT 5000 /* 5 sec */
-#define RTAS_CLOCK_BUSY (-2)
-unsigned long __init rtas_get_boot_time(void)
-{
- int ret[8];
- 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);
-
- wait_time = rtas_busy_delay_time(error);
- if (wait_time) {
- /* This is boot time so we spin. */
- udelay(wait_time*1000);
- }
- } while (wait_time && (get_tb() < max_wait_tb));
-
- if (error != 0) {
- printk_ratelimited(KERN_WARNING
- "error: reading the clock failed (%d)\n",
- error);
- return 0;
- }
-
- return mktime(ret[0], ret[1], ret[2], ret[3], ret[4], ret[5]);
-}
-
-/* NOTE: get_rtc_time will get an error if executed in interrupt context
- * and if a delay is needed to read the clock. In this case we just
- * silently return without updating rtc_tm.
- */
-void rtas_get_rtc_time(struct rtc_time *rtc_tm)
-{
- int ret[8];
- 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);
-
- wait_time = rtas_busy_delay_time(error);
- if (wait_time) {
- if (in_interrupt()) {
- memset(rtc_tm, 0, sizeof(struct rtc_time));
- printk_ratelimited(KERN_WARNING
- "error: reading clock "
- "would delay interrupt\n");
- return; /* delay not allowed */
- }
- msleep(wait_time);
- }
- } while (wait_time && (get_tb() < max_wait_tb));
-
- if (error != 0) {
- printk_ratelimited(KERN_WARNING
- "error: reading the clock failed (%d)\n",
- error);
- return;
- }
-
- rtc_tm->tm_sec = ret[5];
- rtc_tm->tm_min = ret[4];
- rtc_tm->tm_hour = ret[3];
- rtc_tm->tm_mday = ret[2];
- rtc_tm->tm_mon = ret[1] - 1;
- rtc_tm->tm_year = ret[0] - 1900;
-}
-
-int rtas_set_rtc_time(struct rtc_time *tm)
-{
- int error, 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("set-time-of-day"), 7, 1, NULL,
- tm->tm_year + 1900, tm->tm_mon + 1,
- tm->tm_mday, tm->tm_hour, tm->tm_min,
- tm->tm_sec, 0);
-
- wait_time = rtas_busy_delay_time(error);
- if (wait_time) {
- if (in_interrupt())
- return 1; /* probably decrementer */
- msleep(wait_time);
- }
- } while (wait_time && (get_tb() < max_wait_tb));
-
- if (error != 0)
- printk_ratelimited(KERN_WARNING
- "error: setting the clock failed (%d)\n",
- error);
-
- return 0;
-}