linux-kernel - [PATCH v5 08/23] soc: renesas: rz-sysc: #undef field

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Message-ID: <ba13a9e359bbf2864ee547402c6cd1bba365a5e9.1761588465.git.geert+renesas@glider.be>
Date: Mon, 27 Oct 2025 19:41:42 +0100
From: Geert Uytterhoeven <geert+renesas@...der.be>
To: Michael Turquette <mturquette@...libre.com>,
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Cc: linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-renesas-soc@...r.kernel.org,
	linux-crypto@...r.kernel.org,
	linux-edac@...r.kernel.org,
	qat-linux@...el.com,
	linux-gpio@...r.kernel.org,
	linux-aspeed@...ts.ozlabs.org,
	linux-iio@...r.kernel.org,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH v5 08/23] soc: renesas: rz-sysc: #undef field_get() before local definition

Prepare for the advent of a globally available common field_get() macro
by undefining the symbol before defining a local variant.  This prevents
redefinition warnings from the C preprocessor when introducing the common
macro later.

Suggested-by: Yury Norov <yury.norov@...il.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
--
v5:
  - New.
---
 drivers/soc/renesas/rz-sysc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/renesas/rz-sysc.c b/drivers/soc/renesas/rz-sysc.c
index 9f79e299e6f41641..b9880085d3634065 100644
--- a/drivers/soc/renesas/rz-sysc.c
+++ b/drivers/soc/renesas/rz-sysc.c
@@ -16,6 +16,7 @@
 
 #include "rz-sysc.h"
 
+#undef field_get
 #define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
 
 /**
-- 
2.43.0