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Date: Mon, 18 Sep 2017 19:42:47 +0530 From: Bhumika Goyal <bhumirks@...il.com> To: julia.lawall@...6.fr, benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org Cc: Bhumika Goyal <bhumirks@...il.com> Subject: [PATCH] powerpc: make irq_chip const, __initdata and __initconst Make ehv_pic_irq_chip, mpic_ipi_chip and mpic_tm_chip const as they are used only as a copy operation. This usage is during init, so make them __initconst too. Make mpic_ipi_chip __initdata as it is only modified during the init phase and there is no reference of it anywhere after init. Signed-off-by: Bhumika Goyal <bhumirks@...il.com> --- arch/powerpc/sysdev/ehv_pic.c | 2 +- arch/powerpc/sysdev/mpic.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c index 48866e6..12a54f3 100644 --- a/arch/powerpc/sysdev/ehv_pic.c +++ b/arch/powerpc/sysdev/ehv_pic.c @@ -141,7 +141,7 @@ int ehv_pic_set_irq_type(struct irq_data *d, unsigned int flow_type) return IRQ_SET_MASK_OK_NOCOPY; } -static struct irq_chip ehv_pic_irq_chip = { +static const struct irq_chip ehv_pic_irq_chip __initconst = { .irq_mask = ehv_pic_mask_irq, .irq_unmask = ehv_pic_unmask_irq, .irq_eoi = ehv_pic_end_irq, diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index ead3e25..6a435c0 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -964,21 +964,21 @@ static void mpic_set_destination(unsigned int virq, unsigned int cpuid) }; #ifdef CONFIG_SMP -static struct irq_chip mpic_ipi_chip = { +static const struct irq_chip mpic_ipi_chip __initconst = { .irq_mask = mpic_mask_ipi, .irq_unmask = mpic_unmask_ipi, .irq_eoi = mpic_end_ipi, }; #endif /* CONFIG_SMP */ -static struct irq_chip mpic_tm_chip = { +static struct irq_chip mpic_tm_chip __initdata = { .irq_mask = mpic_mask_tm, .irq_unmask = mpic_unmask_tm, .irq_eoi = mpic_end_irq, }; #ifdef CONFIG_MPIC_U3_HT_IRQS -static struct irq_chip mpic_irq_ht_chip = { +static const struct irq_chip mpic_irq_ht_chip __initconst = { .irq_startup = mpic_startup_ht_irq, .irq_shutdown = mpic_shutdown_ht_irq, .irq_mask = mpic_mask_irq, -- 1.9.1
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