[irqchip: irq/irqchip-next] irqchip/sifive-plic: Mark two global variables __ro_after_init

[irqchip-bot for Jisheng Zhang]

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     e03b7c1bcbfad6f27b4682f638b98627c4e416ba
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/e03b7c1bcbfad6f27b4682f638b98627c4e416ba
Author:        Jisheng Zhang <jszhang@xxxxxxxxxx>
AuthorDate:    Tue, 30 Mar 2021 02:09:11 +08:00
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Wed, 07 Apr 2021 13:25:52 +01:00

irqchip/sifive-plic: Mark two global variables __ro_after_init

All of these two are never modified after init, so they can be
 __ro_after_init.

Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210330020911.26423e9e@xhacker
---
 drivers/irqchip/irq-sifive-plic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index 6f432d2..97d4d04 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -77,8 +77,8 @@ struct plic_handler {
 	void __iomem		*enable_base;
 	struct plic_priv	*priv;
 };
-static int plic_parent_irq;
-static bool plic_cpuhp_setup_done;
+static int plic_parent_irq __ro_after_init;
+static bool plic_cpuhp_setup_done __ro_after_init;
 static DEFINE_PER_CPU(struct plic_handler, plic_handlers);
 
 static inline void plic_toggle(struct plic_handler *handler,