Re: [PATCH 19/28] ia64: remove CONFIG_ACPI ifdefs

[Vaden, Tom (HPE Server OS Architecture)]

On 8/13/19 3:25 AM, Christoph Hellwig wrote:
> Now that hpsim support is gone, CONFIG_ACPI is forced on for ia64, and
> we can remove a few ifdefs for it.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Okay to remove hpsim support
Acked-by: Tom Vaden <tom.vaden@xxxxxxx>

> ---
>   arch/ia64/include/asm/acpi.h |  4 ++--
>   arch/ia64/kernel/Makefile    |  4 ++--
>   arch/ia64/kernel/iosapic.c   |  2 --
>   arch/ia64/kernel/irq_ia64.c  |  2 --
>   arch/ia64/kernel/mca.c       | 18 ------------------
>   arch/ia64/kernel/setup.c     | 10 ++++------
>   arch/ia64/kernel/topology.c  |  4 ----
>   7 files changed, 8 insertions(+), 36 deletions(-)
> 
> diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
> index 0afb3bc4b4a1..01c1c269aa13 100644
> --- a/arch/ia64/include/asm/acpi.h
> +++ b/arch/ia64/include/asm/acpi.h
> @@ -17,7 +17,7 @@
>   #include <linux/numa.h>
>   #include <asm/numa.h>
>   
> -#ifdef	CONFIG_ACPI
> +
>   extern int acpi_lapic;
>   #define acpi_disabled 0	/* ACPI always enabled on IA64 */
>   #define acpi_noirq 0	/* ACPI always enabled on IA64 */
> @@ -28,7 +28,7 @@ static inline bool acpi_has_cpu_in_madt(void)
>   {
>   	return !!acpi_lapic;
>   }
> -#endif
> +
>   #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
>   static inline void disable_acpi(void) { }
>   
> diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
> index 3ada440ff893..dbde36702cf2 100644
> --- a/arch/ia64/kernel/Makefile
> +++ b/arch/ia64/kernel/Makefile
> @@ -12,9 +12,9 @@ extra-y	:= head.o vmlinux.lds
>   obj-y := entry.o efi.o efi_stub.o gate-data.o fsys.o ia64_ksyms.o irq.o irq_ia64.o	\
>   	 irq_lsapic.o ivt.o machvec.o pal.o patch.o process.o perfmon.o ptrace.o sal.o		\
>   	 salinfo.o setup.o signal.o sys_ia64.o time.o traps.o unaligned.o \
> -	 unwind.o mca.o mca_asm.o topology.o dma-mapping.o iosapic.o
> +	 unwind.o mca.o mca_asm.o topology.o dma-mapping.o iosapic.o acpi.o \
> +	 acpi-ext.o
>   
> -obj-$(CONFIG_ACPI)		+= acpi.o acpi-ext.o
>   obj-$(CONFIG_IA64_BRL_EMU)	+= brl_emu.o
>   
>   obj-$(CONFIG_IA64_PALINFO)	+= palinfo.o
> diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
> index 9e49fd006859..2d25958a7ed7 100644
> --- a/arch/ia64/kernel/iosapic.c
> +++ b/arch/ia64/kernel/iosapic.c
> @@ -643,10 +643,8 @@ get_target_cpu (unsigned int gsi, int irq)
>   	if (!cpu_online(smp_processor_id()))
>   		return cpu_physical_id(smp_processor_id());
>   
> -#ifdef CONFIG_ACPI
>   	if (cpe_vector > 0 && irq_to_vector(irq) == IA64_CPEP_VECTOR)
>   		return get_cpei_target_cpu();
> -#endif
>   
>   #ifdef CONFIG_NUMA
>   	{
> diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
> index e3874734b149..b989731bbeac 100644
> --- a/arch/ia64/kernel/irq_ia64.c
> +++ b/arch/ia64/kernel/irq_ia64.c
> @@ -633,9 +633,7 @@ ia64_native_register_ipi(void)
>   void __init
>   init_IRQ (void)
>   {
> -#ifdef CONFIG_ACPI
>   	acpi_boot_init();
> -#endif
>   	ia64_register_ipi();
>   	register_percpu_irq(IA64_SPURIOUS_INT_VECTOR, NULL);
>   #ifdef CONFIG_SMP
> diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
> index f72b05fe918b..a7f05883935b 100644
> --- a/arch/ia64/kernel/mca.c
> +++ b/arch/ia64/kernel/mca.c
> @@ -149,9 +149,7 @@ static ia64_mc_info_t		ia64_mc_info;
>   #define CPE_HISTORY_LENGTH    5
>   #define CMC_HISTORY_LENGTH    5
>   
> -#ifdef CONFIG_ACPI
>   static struct timer_list cpe_poll_timer;
> -#endif
>   static struct timer_list cmc_poll_timer;
>   /*
>    * This variable tells whether we are currently in polling mode.
> @@ -532,8 +530,6 @@ int mca_recover_range(unsigned long addr)
>   }
>   EXPORT_SYMBOL_GPL(mca_recover_range);
>   
> -#ifdef CONFIG_ACPI
> -
>   int cpe_vector = -1;
>   int ia64_cpe_irq = -1;
>   
> @@ -595,9 +591,6 @@ ia64_mca_cpe_int_handler (int cpe_irq, void *arg)
>   	return IRQ_HANDLED;
>   }
>   
> -#endif /* CONFIG_ACPI */
> -
> -#ifdef CONFIG_ACPI
>   /*
>    * ia64_mca_register_cpev
>    *
> @@ -625,7 +618,6 @@ ia64_mca_register_cpev (int cpev)
>   	IA64_MCA_DEBUG("%s: corrected platform error "
>   		       "vector %#x registered\n", __func__, cpev);
>   }
> -#endif /* CONFIG_ACPI */
>   
>   /*
>    * ia64_mca_cmc_vector_setup
> @@ -1540,8 +1532,6 @@ ia64_mca_cmc_poll (struct timer_list *unused)
>    * Outputs
>    * 	handled
>    */
> -#ifdef CONFIG_ACPI
> -
>   static irqreturn_t
>   ia64_mca_cpe_int_caller(int cpe_irq, void *arg)
>   {
> @@ -1604,8 +1594,6 @@ ia64_mca_cpe_poll (struct timer_list *unused)
>   							IA64_IPI_DM_INT, 0);
>   }
>   
> -#endif /* CONFIG_ACPI */
> -
>   static int
>   default_monarch_init_process(struct notifier_block *self, unsigned long val, void *data)
>   {
> @@ -1799,7 +1787,6 @@ static struct irqaction mca_wkup_irqaction = {
>   	.name =		"mca_wkup"
>   };
>   
> -#ifdef CONFIG_ACPI
>   static struct irqaction mca_cpe_irqaction = {
>   	.handler =	ia64_mca_cpe_int_handler,
>   	.name =		"cpe_hndlr"
> @@ -1809,7 +1796,6 @@ static struct irqaction mca_cpep_irqaction = {
>   	.handler =	ia64_mca_cpe_int_caller,
>   	.name =		"cpe_poll"
>   };
> -#endif /* CONFIG_ACPI */
>   
>   /* Minimal format of the MCA/INIT stacks.  The pseudo processes that run on
>    * these stacks can never sleep, they cannot return from the kernel to user
> @@ -2081,10 +2067,8 @@ void __init ia64_mca_irq_init(void)
>   	/* Setup the MCA wakeup interrupt vector */
>   	register_percpu_irq(IA64_MCA_WAKEUP_VECTOR, &mca_wkup_irqaction);
>   
> -#ifdef CONFIG_ACPI
>   	/* Setup the CPEI/P handler */
>   	register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
> -#endif
>   }
>   
>   /*
> @@ -2112,7 +2096,6 @@ ia64_mca_late_init(void)
>   			  ia64_mca_cpu_online, NULL);
>   	IA64_MCA_DEBUG("%s: CMCI/P setup and enabled.\n", __func__);
>   
> -#ifdef CONFIG_ACPI
>   	/* Setup the CPEI/P vector and handler */
>   	cpe_vector = acpi_request_vector(ACPI_INTERRUPT_CPEI);
>   	timer_setup(&cpe_poll_timer, ia64_mca_cpe_poll, 0);
> @@ -2143,7 +2126,6 @@ ia64_mca_late_init(void)
>   			IA64_MCA_DEBUG("%s: CPEP setup and enabled.\n", __func__);
>   		}
>   	}
> -#endif
>   
>   	return 0;
>   }
> diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
> index 42ef03ce2fd4..8d47836d932c 100644
> --- a/arch/ia64/kernel/setup.c
> +++ b/arch/ia64/kernel/setup.c
> @@ -537,21 +537,19 @@ setup_arch (char **cmdline_p)
>   	if (early_console_setup(*cmdline_p) == 0)
>   		mark_bsp_online();
>   
> -#ifdef CONFIG_ACPI
>   	/* Initialize the ACPI boot-time table parser */
>   	acpi_table_init();
>   	early_acpi_boot_init();
> -# ifdef CONFIG_ACPI_NUMA
> +#ifdef CONFIG_ACPI_NUMA
>   	acpi_numa_init();
>   	acpi_numa_fixup();
> -#  ifdef CONFIG_ACPI_HOTPLUG_CPU
> +#ifdef CONFIG_ACPI_HOTPLUG_CPU
>   	prefill_possible_map();
> -#  endif
> +#endif
>   	per_cpu_scan_finalize((cpumask_weight(&early_cpu_possible_map) == 0 ?
>   		32 : cpumask_weight(&early_cpu_possible_map)),
>   		additional_cpus > 0 ? additional_cpus : 0);
> -# endif
> -#endif /* CONFIG_APCI_BOOT */
> +#endif /* CONFIG_ACPI_NUMA */
>   
>   #ifdef CONFIG_SMP
>   	smp_build_cpu_map();
> diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
> index e311ee13e61d..09fc385c2acd 100644
> --- a/arch/ia64/kernel/topology.c
> +++ b/arch/ia64/kernel/topology.c
> @@ -42,7 +42,6 @@ EXPORT_SYMBOL_GPL(arch_fix_phys_package_id);
>   #ifdef CONFIG_HOTPLUG_CPU
>   int __ref arch_register_cpu(int num)
>   {
> -#ifdef CONFIG_ACPI
>   	/*
>   	 * If CPEI can be re-targeted or if this is not
>   	 * CPEI target, then it is hotpluggable
> @@ -50,7 +49,6 @@ int __ref arch_register_cpu(int num)
>   	if (can_cpei_retarget() || !is_cpu_cpei_target(num))
>   		sysfs_cpus[num].cpu.hotpluggable = 1;
>   	map_cpu_to_node(num, node_cpuid[num].nid);
> -#endif
>   	return register_cpu(&sysfs_cpus[num].cpu, num);
>   }
>   EXPORT_SYMBOL(arch_register_cpu);
> @@ -58,9 +56,7 @@ EXPORT_SYMBOL(arch_register_cpu);
>   void __ref arch_unregister_cpu(int num)
>   {
>   	unregister_cpu(&sysfs_cpus[num].cpu);
> -#ifdef CONFIG_ACPI
>   	unmap_cpu_from_node(num, cpu_to_node(num));
> -#endif
>   }
>   EXPORT_SYMBOL(arch_unregister_cpu);
>   #else
>