linux-kernel - [PATCH v5 03/23] EDAC/ie31200: #undef field

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Message-ID: <8b53fc6b3e290c1d33cbcb9eff09bb23305814da.1761588465.git.geert+renesas@glider.be>
Date: Mon, 27 Oct 2025 19:41:37 +0100
From: Geert Uytterhoeven <geert+renesas@...der.be>
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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,
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	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH v5 03/23] EDAC/ie31200: #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/edac/ie31200_edac.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/edac/ie31200_edac.c b/drivers/edac/ie31200_edac.c
index 5a080ab65476dacf..72290f430126c631 100644
--- a/drivers/edac/ie31200_edac.c
+++ b/drivers/edac/ie31200_edac.c
@@ -140,6 +140,7 @@
 #define IE31200_CAPID0_ECC		BIT(1)
 
 /* Non-constant mask variant of FIELD_GET() */
+#undef field_get
 #define field_get(_mask, _reg)  (((_reg) & (_mask)) >> (ffs(_mask) - 1))
 
 static int nr_channels;
-- 
2.43.0