Use the FIELD_GET() helper, instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- Compile-tested only. See "[PATCH 00/17] Non-const bitfield helper conversions" (https://lore.kernel.org/r/cover.1637592133.git.geert+renesas@xxxxxxxxx) for background and more conversions. --- drivers/irqchip/irq-mips-gic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index d02b05a067d950a0..ff89b36267dd4955 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -9,6 +9,7 @@ #define pr_fmt(fmt) "irq-mips-gic: " fmt +#include <linux/bitfield.h> #include <linux/bitmap.h> #include <linux/clocksource.h> #include <linux/cpuhotplug.h> @@ -735,8 +736,7 @@ static int __init gic_of_init(struct device_node *node, mips_gic_base = ioremap(gic_base, gic_len); gicconfig = read_gic_config(); - gic_shared_intrs = gicconfig & GIC_CONFIG_NUMINTERRUPTS; - gic_shared_intrs >>= __ffs(GIC_CONFIG_NUMINTERRUPTS); + gic_shared_intrs = FIELD_GET(GIC_CONFIG_NUMINTERRUPTS, gicconfig); gic_shared_intrs = (gic_shared_intrs + 1) * 8; if (cpu_has_veic) { -- 2.25.1
