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Date: Tue, 19 Apr 2022 18:38:03 +0200
From: Arnd Bergmann <arnd@...nel.org>
To: robert.jarzmik@...e.fr, linux-arm-kernel@...ts.infradead.org
Cc: Arnd Bergmann <arnd@...db.de>, Daniel Mack <daniel@...que.org>,
Haojian Zhuang <haojian.zhuang@...il.com>,
Marek Vasut <marek.vasut@...il.com>,
Philipp Zabel <philipp.zabel@...il.com>,
Lubomir Rintel <lkundrak@...sk>,
Paul Parsons <lost.distance@...oo.com>,
Tomas Cech <sleep_walker@...e.com>,
Sergey Lapin <slapin@...fans.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Viresh Kumar <viresh.kumar@...aro.org>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Ulf Hansson <ulf.hansson@...aro.org>,
Dominik Brodowski <linux@...inikbrodowski.net>,
Helge Deller <deller@....de>, Mark Brown <broonie@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org,
linux-ide@...r.kernel.org, linux-clk@...r.kernel.org,
linux-pm@...r.kernel.org, linux-input@...r.kernel.org,
patches@...nsource.cirrus.com, linux-leds@...r.kernel.org,
linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org,
linux-rtc@...r.kernel.org, linux-usb@...r.kernel.org,
linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
alsa-devel@...a-project.org
Subject: [PATCH 41/48] ARM: pxa: remove unused mach/bitfield.h
From: Arnd Bergmann <arnd@...db.de>
The sa1111.h header defines some constants using the bitfield
macros, but those are only used on sa1100, not on pxa, and the
users include the bitfield header through mach/hardware.h.
Acked-by: Robert Jarzmik <robert.jarzmik@...e.fr>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
arch/arm/include/asm/hardware/sa1111.h | 2 -
arch/arm/mach-pxa/include/mach/bitfield.h | 114 ----------------------
2 files changed, 116 deletions(-)
delete mode 100644 arch/arm/mach-pxa/include/mach/bitfield.h
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index 2e70db6f22ea..d8c6f8a99dfa 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -13,8 +13,6 @@
#ifndef _ASM_ARCH_SA1111
#define _ASM_ARCH_SA1111
-#include <mach/bitfield.h>
-
/*
* Don't ask the (SAC) DMA engines to move less than this amount.
*/
diff --git a/arch/arm/mach-pxa/include/mach/bitfield.h b/arch/arm/mach-pxa/include/mach/bitfield.h
deleted file mode 100644
index fe2ca441bc0a..000000000000
--- a/arch/arm/mach-pxa/include/mach/bitfield.h
+++ /dev/null
@@ -1,114 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * FILE bitfield.h
- *
- * Version 1.1
- * Author Copyright (c) Marc A. Viredaz, 1998
- * DEC Western Research Laboratory, Palo Alto, CA
- * Date April 1998 (April 1997)
- * System Advanced RISC Machine (ARM)
- * Language C or ARM Assembly
- * Purpose Definition of macros to operate on bit fields.
- */
-
-
-
-#ifndef __BITFIELD_H
-#define __BITFIELD_H
-
-#ifndef __ASSEMBLY__
-#define UData(Data) ((unsigned long) (Data))
-#else
-#define UData(Data) (Data)
-#endif
-
-
-/*
- * MACRO: Fld
- *
- * Purpose
- * The macro "Fld" encodes a bit field, given its size and its shift value
- * with respect to bit 0.
- *
- * Note
- * A more intuitive way to encode bit fields would have been to use their
- * mask. However, extracting size and shift value information from a bit
- * field's mask is cumbersome and might break the assembler (255-character
- * line-size limit).
- *
- * Input
- * Size Size of the bit field, in number of bits.
- * Shft Shift value of the bit field with respect to bit 0.
- *
- * Output
- * Fld Encoded bit field.
- */
-
-#define Fld(Size, Shft) (((Size) << 16) + (Shft))
-
-
-/*
- * MACROS: FSize, FShft, FMsk, FAlnMsk, F1stBit
- *
- * Purpose
- * The macros "FSize", "FShft", "FMsk", "FAlnMsk", and "F1stBit" return
- * the size, shift value, mask, aligned mask, and first bit of a
- * bit field.
- *
- * Input
- * Field Encoded bit field (using the macro "Fld").
- *
- * Output
- * FSize Size of the bit field, in number of bits.
- * FShft Shift value of the bit field with respect to bit 0.
- * FMsk Mask for the bit field.
- * FAlnMsk Mask for the bit field, aligned on bit 0.
- * F1stBit First bit of the bit field.
- */
-
-#define FSize(Field) ((Field) >> 16)
-#define FShft(Field) ((Field) & 0x0000FFFF)
-#define FMsk(Field) (((UData (1) << FSize (Field)) - 1) << FShft (Field))
-#define FAlnMsk(Field) ((UData (1) << FSize (Field)) - 1)
-#define F1stBit(Field) (UData (1) << FShft (Field))
-
-
-/*
- * MACRO: FInsrt
- *
- * Purpose
- * The macro "FInsrt" inserts a value into a bit field by shifting the
- * former appropriately.
- *
- * Input
- * Value Bit-field value.
- * Field Encoded bit field (using the macro "Fld").
- *
- * Output
- * FInsrt Bit-field value positioned appropriately.
- */
-
-#define FInsrt(Value, Field) \
- (UData (Value) << FShft (Field))
-
-
-/*
- * MACRO: FExtr
- *
- * Purpose
- * The macro "FExtr" extracts the value of a bit field by masking and
- * shifting it appropriately.
- *
- * Input
- * Data Data containing the bit-field to be extracted.
- * Field Encoded bit field (using the macro "Fld").
- *
- * Output
- * FExtr Bit-field value.
- */
-
-#define FExtr(Data, Field) \
- ((UData (Data) >> FShft (Field)) & FAlnMsk (Field))
-
-
-#endif /* __BITFIELD_H */
--
2.29.2
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