powerpc/mpic: constify copied structure

The mpic_ipi_chip and mpic_irq_ht_chip structures are only copied
into other structures, so make them const.

The opportunity for this change was found using Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1577864614-5543-10-git-send-email-Julia.Lawall@inria.fr

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 934a773..a3a72b7 100644 (file)
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -964,7 +964,7 @@ static struct irq_chip mpic_irq_chip = {
 };
 
 #ifdef CONFIG_SMP
-static struct irq_chip mpic_ipi_chip = {
+static const struct irq_chip mpic_ipi_chip = {
        .irq_mask       = mpic_mask_ipi,
        .irq_unmask     = mpic_unmask_ipi,
        .irq_eoi        = mpic_end_ipi,
@@ -978,7 +978,7 @@ static struct irq_chip mpic_tm_chip = {
 };
 
 #ifdef CONFIG_MPIC_U3_HT_IRQS
-static struct irq_chip mpic_irq_ht_chip = {
+static const struct irq_chip mpic_irq_ht_chip = {
        .irq_startup    = mpic_startup_ht_irq,
        .irq_shutdown   = mpic_shutdown_ht_irq,
        .irq_mask       = mpic_mask_irq,