[PATCH v2 2/6] riscv: sbi: Use IPI_MAX for SBI IPI muxing

[Guo Ren]

From: "tip-bot2 for GUO Ren (XuanTie)" <tip-bot2 at linutronix.de>

The following commit has been merged into the irq/drivers branch of tip:

Commit-ID:     2a0d49514f297baee259b19fb5553b538aa67d10
Gitweb:        https://git.kernel.org/tip/2a0d49514f297baee259b19fb5553b538aa67d10
Author:        GUO Ren (XuanTie) <guoren at kernel.org>
AuthorDate:    Sun, 16 Aug 2026 07:00:46
Committer:     Thomas Gleixner <tglx at kernel.org>
CommitterDate: Fri, 04 Sep 2026 15:34:34 +02:00

riscv: sbi: Use IPI_MAX for SBI IPI muxing

Now that IPI_MAX is visible from <asm/smp.h>, replace the hard-coded
BITS_PER_BYTE with the proper symbolic constant in the SBI IPI
extension driver.

No functional change; IPI_MAX is still 8.

Signed-off-by: GUO Ren (XuanTie) <guoren at kernel.org>
Signed-off-by: Thomas Gleixner <tglx at kernel.org>
Reviewed-by: Anup Patel <anup at brainfault.org>
Link: https://patch.msgid.link/20260816070049.2097442-3-guoren@kernel.org
---
 arch/riscv/kernel/sbi-ipi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/kernel/sbi-ipi.c b/arch/riscv/kernel/sbi-ipi.c
index 0cc5559c08d8..eeec178a9b95 100644
--- a/arch/riscv/kernel/sbi-ipi.c
+++ b/arch/riscv/kernel/sbi-ipi.c
@@ -57,7 +57,7 @@ void __init sbi_ipi_init(void)
 		return;
 	}
 
-	virq = ipi_mux_create(BITS_PER_BYTE, sbi_send_ipi);
+	virq = ipi_mux_create(IPI_MAX, sbi_send_ipi);
 	if (virq <= 0) {
 		pr_err("unable to create muxed IPIs\n");
 		irq_dispose_mapping(sbi_ipi_virq);
@@ -75,7 +75,7 @@ void __init sbi_ipi_init(void)
 			  "irqchip/sbi-ipi:starting",
 			  sbi_ipi_starting_cpu, NULL);
 
-	riscv_ipi_set_virq_range(virq, BITS_PER_BYTE);
+	riscv_ipi_set_virq_range(virq, IPI_MAX);
 	pr_info("providing IPIs using SBI IPI extension\n");
 
 	/*

-- 
2.43.0