ia64: Replace clocksource.fsys_mmio with generic arch data

Now that clocksource.archdata is available, use it for ia64-specific
code.

Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: linux-ia64@vger.kernel.org
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andy Lutomirski <luto@mit.edu>
Link: http://lkml.kernel.org/r/d31de0ee0842a0e322fb6441571c2b0adb323fa2.1310563276.git.luto@mit.edu
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/ia64/include/asm/clocksource.h b/arch/ia64/include/asm/clocksource.h
new file mode 100644 (file)
index 0000000..00eb549
--- /dev/null
+++ b/arch/ia64/include/asm/clocksource.h
@@ -0,0 +1,12 @@
+/* IA64-specific clocksource additions */
+
+#ifndef _ASM_IA64_CLOCKSOURCE_H
+#define _ASM_IA64_CLOCKSOURCE_H
+
+#define __ARCH_HAS_CLOCKSOURCE_DATA
+
+struct arch_clocksource_data {
+       void *fsys_mmio;        /* used by fsyscall asm code */
+};
+
+#endif /* _ASM_IA64_CLOCKSOURCE_H */

diff --git a/arch/ia64/kernel/cyclone.c b/arch/ia64/kernel/cyclone.c
index f64097b5118a852eafd045a0b3af635fee3ee6ca..4826ff957a3d18f6e0266f55dd7519b190ac198e 100644 (file)
--- a/arch/ia64/kernel/cyclone.c
+++ b/arch/ia64/kernel/cyclone.c
@@ -115,7 +115,7 @@ int __init init_cyclone_clock(void)
        }
        /* initialize last tick */
        cyclone_mc = cyclone_timer;
-       clocksource_cyclone.fsys_mmio = cyclone_timer;
+       clocksource_cyclone.archdata.fsys_mmio = cyclone_timer;
        clocksource_register_hz(&clocksource_cyclone, CYCLONE_TIMER_FREQ);
 
        return 0;

diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 85118dfe9bb5ac3548296848efbd2ff0d1d7890b..43920de425f1efcac92203f84d4a67d8aa596457 100644 (file)
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -468,7 +468,7 @@ void update_vsyscall(struct timespec *wall, struct timespec *wtm,
         fsyscall_gtod_data.clk_mask = c->mask;
         fsyscall_gtod_data.clk_mult = mult;
         fsyscall_gtod_data.clk_shift = c->shift;
-        fsyscall_gtod_data.clk_fsys_mmio = c->fsys_mmio;
+        fsyscall_gtod_data.clk_fsys_mmio = c->archdata.fsys_mmio;
         fsyscall_gtod_data.clk_cycle_last = c->cycle_last;
 
        /* copy kernel time structures */

diff --git a/arch/ia64/sn/kernel/sn2/timer.c b/arch/ia64/sn/kernel/sn2/timer.c
index c34efda122e1fc34cb1be9c114a63d6482e47afa..0f8844e4936328275130f9b4a352c455a5a0a72e 100644 (file)
--- a/arch/ia64/sn/kernel/sn2/timer.c
+++ b/arch/ia64/sn/kernel/sn2/timer.c
@@ -54,7 +54,7 @@ ia64_sn_udelay (unsigned long usecs)
 
 void __init sn_timer_init(void)
 {
-       clocksource_sn2.fsys_mmio = RTC_COUNTER_ADDR;
+       clocksource_sn2.archdata.fsys_mmio = RTC_COUNTER_ADDR;
        clocksource_register_hz(&clocksource_sn2, sn_rtc_cycles_per_second);
 
        ia64_udelay = &ia64_sn_udelay;

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 051474c65b783c5e9f3315de2fb3732516810027..055765147dc20e49e32f67c04a45ad899f9246c1 100644 (file)
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -931,7 +931,7 @@ int hpet_alloc(struct hpet_data *hdp)
 #ifdef CONFIG_IA64
        if (!hpet_clocksource) {
                hpet_mctr = (void __iomem *)&hpetp->hp_hpet->hpet_mc;
-               CLKSRC_FSYS_MMIO_SET(clocksource_hpet.fsys_mmio, hpet_mctr);
+               clocksource_hpet.archdata.fsys_mmio = hpet_mctr;
                clocksource_register_hz(&clocksource_hpet, hpetp->hp_tick_freq);
                hpetp->hp_clocksource = &clocksource_hpet;
                hpet_clocksource = &clocksource_hpet;

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 0fb83c224471e34ed96fa16706427f7df78da0db..6bb69702c4fa18b10eda89e797443349fb05c7fd 100644 (file)
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -171,13 +171,6 @@ struct clocksource {
        u32 shift;
        u64 max_idle_ns;
 
-#ifdef CONFIG_IA64
-       void *fsys_mmio;        /* used by fsyscall asm code */
-#define CLKSRC_FSYS_MMIO_SET(mmio, addr)      ((mmio) = (addr))
-#else
-#define CLKSRC_FSYS_MMIO_SET(mmio, addr)      do { } while (0)
-#endif
-
 #ifdef __ARCH_HAS_CLOCKSOURCE_DATA
        struct arch_clocksource_data archdata;
 #endif