linux-kernel - [PATCH v5 19/23] soc: renesas: rz-sysc: Convert to common field

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Message-ID: <3cfbe44e26e2253ad1fb82d86fffbd5fb35251a5.1761588465.git.geert+renesas@glider.be>
Date: Mon, 27 Oct 2025 19:41:53 +0100
From: Geert Uytterhoeven <geert+renesas@...der.be>
To: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
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	Richard Genoud <richard.genoud@...tlin.com>,
	Cosmin Tanislav <demonsingur@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Jianping Shen <Jianping.Shen@...bosch.com>
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 19/23] soc: renesas: rz-sysc: Convert to common field_get() helper

Drop the driver-specific field_get() macro, in favor of the globally
available variant from <linux/bitfield.h>.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
v5:
  - Extracted from "bitfield: Add non-constant field_{prep,get}()
    helpers".
---
 drivers/soc/renesas/rz-sysc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/soc/renesas/rz-sysc.c b/drivers/soc/renesas/rz-sysc.c
index b9880085d3634065..73eaf8b9d69f7208 100644
--- a/drivers/soc/renesas/rz-sysc.c
+++ b/drivers/soc/renesas/rz-sysc.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2024 Renesas Electronics Corp.
  */
 
+#include <linux/bitfield.h>
 #include <linux/cleanup.h>
 #include <linux/io.h>
 #include <linux/mfd/syscon.h>
@@ -16,9 +17,6 @@
 
 #include "rz-sysc.h"
 
-#undef field_get
-#define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
-
 /**
  * struct rz_sysc - RZ SYSC private data structure
  * @base: SYSC base address
-- 
2.43.0