[PATCH] net: drop unused rarp.h
Ahmad Fatoum
a.fatoum at pengutronix.de
Wed Feb 28 00:56:57 PST 2024
Hello Antony,
On 28.02.24 09:47, Antony Pavlov wrote:
> On Tue, 27 Feb 2024 10:39:23 +0300
> Antony Pavlov <antonynpavlov at gmail.com> wrote:
>
> Hi All!
>
> Actually there are much more unused header files:
>
> $ git clone https://github.com/barebox/barebox
> $ cd barebox
> barebox$ for i in $(git grep -h "#.*include" | sed "s/ //g" | grep "^#include" | sed "s/^#include[\"<]//g" | sed "s/[>\"]$//g" | sort | uniq); do basename $i; done | sort | uniq > /tmp/list1
> barebox$ for i in $(find -iname '*.h'); do basename $i; done | sort | uniq > /tmp/list2
>
>
> Show unused header files:
>
> barebox$ for i in $(comm -13 /tmp/list1 /tmp/list2); do find -iname $i -type f ; done | grep -v ^./dts/ | sort
>
> ./arch/arm/boards/phytec-phycard-omap3/pca-a-l1.h
Ok to drop, I think.
> ./arch/arm/include/asm/arch-check.h
This one is referenced from arch/arm/Makefile
> ./arch/powerpc/include/asm/pci_io.h
> ./arch/powerpc/include/asm/status_led.h
> ./arch/x86/include/asm/modes.h
> ./arch/x86/include/asm/segment.h
Ok to drop, I think.
> ./drivers/mtd/nand/atmel/atmel_nand_ecc.h
This is included in drivers/mtd/nand/atmel/legacy.c.
(I see now you mentioned that below)
> ./drivers/usb/host/ehci-core.h
Ok to drop, I think.
> ./fs/fat/ffconf.h
This likewise looks as if it is actually used.
(I see now you mentioned that below)
> ./include/gpiod.h
This one here is an intentional compatibility header for out-of-tree
board code.
> ./include/linux/mtd/ndfc.h
> ./include/linux/mtd/nftl.h
> ./include/linux/usb/usbroothubdes.h
Ok to drop, I think.
> ./include/mach/imx/ccm.h
I think this should be dropped. I am unsure this even applies to all CCM
versions. It can always be brought back with a correct imxVER suffix.
> ./include/mach/imx/devices-imx21.h
> ./include/mach/imx/devices-imx31.h
> ./include/mach/imx/devices-imx35.h
> ./include/mach/imx/devices-imx50.h
These are non-DT device creation helpers. Maybe Sascha has an opinion
on whether they should be kept or removed?
> ./include/mach/imx/habv3-imx25-gencsf.h
There's i.MX25 support in drivers/hab, which I assume was added for a reason,
so some out-of-tree board is likely including this.
> ./include/mach/imx/iomux-mx21.h
> ./include/mach/imx/iomux-mx35.h
> ./include/mach/imx/iomux-mx50.h
I think these definitions should remain. It's not unlikely that out-of-tree
boards use them.
> ./include/mach/omap/intc.h
> ./include/usb_dfu_trailer.h
> ./lib/bzlib_private.h
> ./lib/zstd/zstd_opt.h
> ./net/nfs.h
> ./net/rarp.h
I am ok with dropping the other headers if indeed unreferenced.
> Check for false positives:
>
> barebox$ for i in $(comm -13 /tmp/list1 /tmp/list2); do git grep $i ; done | grep -v ^dts\/ | grep "#include"
Maybe exclude #, so also # include and gcc -include is matched.
Cheers,
Ahmad
>
> drivers/mtd/nand/atmel/legacy.c:#include "atmel_nand_ecc.h" /* Hardware ECC registers */
> fs/fat/ff.h:#include "ffconf.h" /* FatFs configuration options */
> arch/arm/boards/phytec-phycore-pxa270/lowlevel_init.S:#include <mach/pxa/regs-intc.h>
>
>
>
>> Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
>> ---
>> net/rarp.h | 23 -----------------------
>> 1 file changed, 23 deletions(-)
>>
>> diff --git a/net/rarp.h b/net/rarp.h
>> deleted file mode 100644
>> index 0986b02513f..00000000000
>> --- a/net/rarp.h
>> +++ /dev/null
>> @@ -1,23 +0,0 @@
>> -/* SPDX-License-Identifier: GPL-2.0-or-later */
>> -/* SPDX-FileCopyrightText: 2000 Wolfgang Denk <wd at denx.de>, DENX Software Engineering */
>> -
>> -#ifndef __RARP_H__
>> -#define __RARP_H__
>> -
>> -#ifndef __NET_H__
>> -#include <net.h>
>> -#endif /* __NET_H__ */
>> -
>> -
>> -/**********************************************************************/
>> -/*
>> - * Global functions and variables.
>> - */
>> -
>> -extern int RarpTry;
>> -
>> -extern void RarpRequest (void); /* Send a RARP request */
>> -
>> -/**********************************************************************/
>> -
>> -#endif /* __RARP_H__ */
>> --
>> 2.39.0
>>
>
>
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