netdev - Re: next-20210302 - build issue with linux-firmware and rtl

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Message-ID: <02b966f5-a056-b799-dd6d-c5dc762d42f3@gmail.com>
Date:   Wed, 3 Mar 2021 07:51:06 +0100
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Valdis Klētnieks <valdis.kletnieks@...edu>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: next-20210302 - build issue with linux-firmware and rtl_nic/
 firmware.

On 03.03.2021 07:09, Valdis Klētnieks wrote:
> So my kernel build died..
> 
>   UPD     drivers/base/firmware_loader/builtin/rtl_nic/rtl8106e-1.fw.gen.S
> make[4]: *** No rule to make target '/lib/firmware/rtl_nic/rtl8106e-1.fw', needed by 'drivers/base/firmware_loader/builtin/rtl_nic/rtl8106e-1.fw.gen.o'.  Stop.
> make[3]: *** [scripts/Makefile.build:514: drivers/base/firmware_loader/builtin] Error 2
> 
> I tracked it down to a linux-firmware update that shipped everything with .xz compression:
> 
> % rpm2cpio linux-firmware-20201218-116.fc34.noarch.rpm | cpio -itv | grep 8106e-1
> -rw-r--r--   1 root     root         1856 Dec 19 04:43 ./usr/lib/firmware/rtl_nic/rtl8106e-1.fw
> 631034 blocks
> % rpm2cpio linux-firmware-20210208-117.fc34.noarch.rpm | cpio -itv|  grep 8106e-1
> -rw-r--r--   1 root     root          848 Feb  8 16:38 ./usr/lib/firmware/rtl_nic/rtl8106e-1.fw.xz
> 340217 blocks
> 
> and my .config shows it's self-inflicted (no, I don't remember why it's in there):
> 
> # Firmware loader
> CONFIG_EXTRA_FIRMWARE="rtl_nic/rtl8106e-1.fw"
> CONFIG_EXTRA_FIRMWARE_DIR="/lib/firmware"
> 
This is wrong, simply remove it.

> But then I take a closer look at  drivers/net/ethernet/realtek/r8169_main.c
> #define FIRMWARE_8168D_1	"rtl_nic/rtl8168d-1.fw"
> #define FIRMWARE_8168D_2	"rtl_nic/rtl8168d-2.fw"
> #define FIRMWARE_8168E_1	"rtl_nic/rtl8168e-1.fw"
> 
> So now I'm mystified how this compressing all the firmware files is supposed to work...
>