Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
[sfrench/cifs-2.6.git] / arch / ia64 / sn / kernel / setup.c
index aac1ba32c5e58118ba1a223f561b61d2968eba5a..48645ac120fc3d0b8b7855de1f0d965b5694a2d4 100644 (file)
@@ -67,6 +67,7 @@ extern unsigned long last_time_offset;
 extern void (*ia64_mark_idle) (int);
 extern void snidle(int);
 extern unsigned char acpi_kbd_controller_present;
+extern unsigned long long (*ia64_printk_clock)(void);
 
 unsigned long sn_rtc_cycles_per_second;
 EXPORT_SYMBOL(sn_rtc_cycles_per_second);
@@ -358,6 +359,16 @@ sn_scan_pcdp(void)
        }
 }
 
+static unsigned long sn2_rtc_initial;
+
+static unsigned long long ia64_sn2_printk_clock(void)
+{
+       unsigned long rtc_now = rtc_time();
+
+       return (rtc_now - sn2_rtc_initial) *
+               (1000000000 / sn_rtc_cycles_per_second);
+}
+
 /**
  * sn_setup - SN platform setup routine
  * @cmdline_p: kernel command line
@@ -372,6 +383,7 @@ void __init sn_setup(char **cmdline_p)
        u32 version = sn_sal_rev();
        extern void sn_cpu_init(void);
 
+       sn2_rtc_initial = rtc_time();
        ia64_sn_plat_set_error_handling_features();     // obsolete
        ia64_sn_set_os_feature(OSF_MCA_SLV_TO_OS_INIT_SLV);
        ia64_sn_set_os_feature(OSF_FEAT_LOG_SBES);
@@ -423,19 +435,6 @@ void __init sn_setup(char **cmdline_p)
         */
        build_cnode_tables();
 
-       /*
-        * Old PROMs do not provide an ACPI FADT. Disable legacy keyboard
-        * support here so we don't have to listen to failed keyboard probe
-        * messages.
-        */
-       if (version <= 0x0209 && acpi_kbd_controller_present) {
-               printk(KERN_INFO "Disabling legacy keyboard support as prom "
-                      "is too old and doesn't provide FADT\n");
-               acpi_kbd_controller_present = 0;
-       }
-
-       printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF);
-
        status =
            ia64_sal_freq_base(SAL_FREQ_BASE_REALTIME_CLOCK, &ticks_per_sec,
                               &drift);
@@ -449,6 +448,21 @@ void __init sn_setup(char **cmdline_p)
 
        platform_intr_list[ACPI_INTERRUPT_CPEI] = IA64_CPE_VECTOR;
 
+       ia64_printk_clock = ia64_sn2_printk_clock;
+
+       /*
+        * Old PROMs do not provide an ACPI FADT. Disable legacy keyboard
+        * support here so we don't have to listen to failed keyboard probe
+        * messages.
+        */
+       if (version <= 0x0209 && acpi_kbd_controller_present) {
+               printk(KERN_INFO "Disabling legacy keyboard support as prom "
+                      "is too old and doesn't provide FADT\n");
+               acpi_kbd_controller_present = 0;
+       }
+
+       printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF);
+
        /*
         * we set the default root device to /dev/hda
         * to make simulation easy