linux-kernel - [PATCH 06/21] mfd: prepare to generalize BITS() macro

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Message-ID: <20251025164023.308884-7-yury.norov@gmail.com>
Date: Sat, 25 Oct 2025 12:40:05 -0400
From: "Yury Norov (NVIDIA)" <yury.norov@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Nicolas Frattaroli <nicolas.frattaroli@...labora.com>,
	Lee Jones <lee@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: "Yury Norov (NVIDIA)" <yury.norov@...il.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: [PATCH 06/21] mfd: prepare to generalize BITS() macro

In preparation for adding generic BITS() macro, add an #undef directive
for the existing BITS(). The following patches will drop it entirely.

Signed-off-by: Yury Norov (NVIDIA) <yury.norov@...il.com>
---
 drivers/mfd/db8500-prcmu-regs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/db8500-prcmu-regs.h b/drivers/mfd/db8500-prcmu-regs.h
index 75fd1069372c..25d2d5966211 100644
--- a/drivers/mfd/db8500-prcmu-regs.h
+++ b/drivers/mfd/db8500-prcmu-regs.h
@@ -12,6 +12,7 @@
 #ifndef __DB8500_PRCMU_REGS_H
 #define __DB8500_PRCMU_REGS_H
 
+#undef BITS
 #define BITS(_start, _end) ((BIT(_end) - BIT(_start)) + BIT(_end))
 
 #define PRCM_ACLK_MGT		(0x004)
-- 
2.43.0