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Message-Id: <35f0f17e3d987afaa9cd09cdcb8131d42a53c3e1.1637593297.git.geert+renesas@glider.be>
Date: Mon, 22 Nov 2021 16:53:46 +0100
From: Geert Uytterhoeven <geert+renesas@...der.be>
To: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] MIPS: CPC: Use bitfield helpers
Use the FIELD_PREP() helper, instead of open-coding the same operation.
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
Compile-tested only.
See "[PATCH 00/17] Non-const bitfield helper conversions"
(https://lore.kernel.org/r/cover.1637592133.git.geert+renesas@glider.be)
for background and more conversions.
---
arch/mips/kernel/mips-cpc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c
index 8d2535123f11c8f3..17aff13cd7ce6ea7 100644
--- a/arch/mips/kernel/mips-cpc.c
+++ b/arch/mips/kernel/mips-cpc.c
@@ -4,6 +4,7 @@
* Author: Paul Burton <paul.burton@...s.com>
*/
+#include <linux/bitfield.h>
#include <linux/errno.h>
#include <linux/percpu.h>
#include <linux/of.h>
@@ -97,7 +98,7 @@ void mips_cpc_lock_other(unsigned int core)
curr_core = cpu_core(¤t_cpu_data);
spin_lock_irqsave(&per_cpu(cpc_core_lock, curr_core),
per_cpu(cpc_core_lock_flags, curr_core));
- write_cpc_cl_other(core << __ffs(CPC_Cx_OTHER_CORENUM));
+ write_cpc_cl_other(FIELD_PREP(CPC_Cx_OTHER_CORENUM, core));
/*
* Ensure the core-other region reflects the appropriate core &
--
2.25.1
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