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| author | Alistair Popple <alistair@popple.id.au> | 2014-11-13 17:16:02 +1100 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2014-12-02 18:38:04 +1100 |
| commit | 89348d6f95a3dff8ccc1d51c132b524d60c1b1eb (patch) | |
| tree | 998cb9868ad12fc9dcf523006c44c975d85454c7 /hw | |
| parent | eaf4cd02d38946a701f2174b9b8d44156e006eaf (diff) | |
| download | skiboot-89348d6f95a3dff8ccc1d51c132b524d60c1b1eb.zip skiboot-89348d6f95a3dff8ccc1d51c132b524d60c1b1eb.tar.gz skiboot-89348d6f95a3dff8ccc1d51c132b524d60c1b1eb.tar.bz2 | |
ipmi-rtc: Update the rtc cache
Update the ipmi-rtc code to update the rtc cache whenever we are asked
the time.
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ipmi/ipmi-rtc.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/hw/ipmi/ipmi-rtc.c b/hw/ipmi/ipmi-rtc.c index 7dc7f59..ffb33ed 100644 --- a/hw/ipmi/ipmi-rtc.c +++ b/hw/ipmi/ipmi-rtc.c @@ -20,9 +20,7 @@ #include <time-utils.h> #include <device.h> #include <opal.h> - -/* Sane default (2014/01/01) */ -static time_t time = 1388494800; +#include <rtc.h> static enum {idle, waiting, updated, error} time_status; @@ -34,10 +32,14 @@ static void get_sel_time_error(struct ipmi_msg *msg) static void get_sel_time_complete(struct ipmi_msg *msg) { + struct tm tm; uint32_t result; + time_t time; memcpy(&result, msg->data, 4); time = le32_to_cpu(result); + gmtime_r(&time, &tm); + rtc_cache_update(&tm); time_status = updated; ipmi_free_msg(msg); } @@ -47,7 +49,7 @@ static int64_t ipmi_get_sel_time(void) struct ipmi_msg *msg; msg = ipmi_mkmsg(IPMI_DEFAULT_INTERFACE, IPMI_GET_SEL_TIME, - get_sel_time_complete, &time, NULL, 0, 4); + get_sel_time_complete, NULL, NULL, 0, 4); if (!msg) return OPAL_HARDWARE; @@ -71,9 +73,11 @@ static int64_t ipmi_set_sel_time(uint32_t tv) static int64_t ipmi_opal_rtc_read(uint32_t *y_m_d, uint64_t *h_m_s_m) { - struct tm tm; int ret = 0; + if (!y_m_d || !h_m_s_m) + return OPAL_PARAMETER; + switch(time_status) { case idle: if (ipmi_get_sel_time() < 0) @@ -87,8 +91,7 @@ static int64_t ipmi_opal_rtc_read(uint32_t *y_m_d, break; case updated: - gmtime_r(&time, &tm); - tm_to_datetime(&tm, y_m_d, h_m_s_m); + rtc_cache_get_datetime(y_m_d, h_m_s_m); time_status = idle; ret = OPAL_SUCCESS; break; @@ -123,4 +126,7 @@ void ipmi_rtc_init(void) opal_register(OPAL_RTC_READ, ipmi_opal_rtc_read, 2); opal_register(OPAL_RTC_WRITE, ipmi_opal_rtc_write, 2); + + /* Initialise the rtc cache */ + ipmi_get_sel_time(); } |