diff options
| author | Michael Ellerman <michael@ellerman.id.au> | 2005-07-08 00:56:30 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-08 01:23:41 (GMT) |
| commit | 62d60e9f0f890c31e5a83a7d8ecdfd1c7975fdb9 (patch) | |
| tree | 840653ffa74b54ec277630116355d161ab076679 | |
| parent | c66d5dd6b5b62e1435b95c0fb42f6bcddeb395ea (diff) | |
| download | linux-62d60e9f0f890c31e5a83a7d8ecdfd1c7975fdb9.tar.xz | |
[PATCH] ppc64: Fixup platforms for new ppc_md.idle
This patch fixes up iSeries, pSeries, pmac and maple to set the correct idle
function for each platform.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/ppc64/kernel/iSeries_setup.c | 1 | ||||
| -rw-r--r-- | arch/ppc64/kernel/maple_setup.c | 3 | ||||
| -rw-r--r-- | arch/ppc64/kernel/pSeries_setup.c | 18 | ||||
| -rw-r--r-- | arch/ppc64/kernel/pmac_setup.c | 5 |
4 files changed, 26 insertions, 1 deletions
diff --git a/arch/ppc64/kernel/iSeries_setup.c b/arch/ppc64/kernel/iSeries_setup.c index 1139e27..fae215e 100644 --- a/arch/ppc64/kernel/iSeries_setup.c +++ b/arch/ppc64/kernel/iSeries_setup.c @@ -940,5 +940,6 @@ void __init iSeries_early_setup(void) ppc_md.get_rtc_time = iSeries_get_rtc_time; ppc_md.calibrate_decr = iSeries_calibrate_decr; ppc_md.progress = iSeries_progress; + ppc_md.idle_loop = iSeries_idle; } diff --git a/arch/ppc64/kernel/maple_setup.c b/arch/ppc64/kernel/maple_setup.c index da8900b..bb55b5a 100644 --- a/arch/ppc64/kernel/maple_setup.c +++ b/arch/ppc64/kernel/maple_setup.c @@ -177,6 +177,8 @@ void __init maple_setup_arch(void) #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; #endif + + printk(KERN_INFO "Using native/NAP idle loop\n"); } /* @@ -297,4 +299,5 @@ struct machdep_calls __initdata maple_md = { .get_rtc_time = maple_get_rtc_time, .calibrate_decr = generic_calibrate_decr, .progress = maple_progress, + .idle_loop = native_idle, }; diff --git a/arch/ppc64/kernel/pSeries_setup.c b/arch/ppc64/kernel/pSeries_setup.c index 849ed9b..3f3be8a 100644 --- a/arch/ppc64/kernel/pSeries_setup.c +++ b/arch/ppc64/kernel/pSeries_setup.c @@ -19,6 +19,7 @@ #undef DEBUG #include <linux/config.h> +#include <linux/cpu.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> @@ -82,6 +83,9 @@ int fwnmi_active; /* TRUE if an FWNMI handler is present */ extern void pSeries_system_reset_exception(struct pt_regs *regs); extern int pSeries_machine_check_exception(struct pt_regs *regs); +static int shared_idle(void); +static int dedicated_idle(void); + static volatile void __iomem * chrp_int_ack_special; struct mpic *pSeries_mpic; @@ -229,6 +233,20 @@ static void __init pSeries_setup_arch(void) if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR) vpa_init(boot_cpuid); + + /* Choose an idle loop */ + if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR) { + if (get_paca()->lppaca.shared_proc) { + printk(KERN_INFO "Using shared processor idle loop\n"); + ppc_md.idle_loop = shared_idle; + } else { + printk(KERN_INFO "Using dedicated idle loop\n"); + ppc_md.idle_loop = dedicated_idle; + } + } else { + printk(KERN_INFO "Using default idle loop\n"); + ppc_md.idle_loop = default_idle; + } } static int __init pSeries_init_panel(void) diff --git a/arch/ppc64/kernel/pmac_setup.c b/arch/ppc64/kernel/pmac_setup.c index 6cf03d3..3013cdb 100644 --- a/arch/ppc64/kernel/pmac_setup.c +++ b/arch/ppc64/kernel/pmac_setup.c @@ -186,6 +186,8 @@ void __init pmac_setup_arch(void) #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; #endif + + printk(KERN_INFO "Using native/NAP idle loop\n"); } #ifdef CONFIG_SCSI @@ -507,5 +509,6 @@ struct machdep_calls __initdata pmac_md = { .calibrate_decr = pmac_calibrate_decr, .feature_call = pmac_do_feature_call, .progress = pmac_progress, - .check_legacy_ioport = pmac_check_legacy_ioport + .check_legacy_ioport = pmac_check_legacy_ioport, + .idle_loop = native_idle, }; |