linux-kernel - Re: [PATCH v1 4/9] can: Add Nuvoton NCT6694 CAN support

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Message-ID: <CAOoeyxU6d=tgW-=mYG4Aw=SORyXLPgfipYYcwVhv8s=0O--7Sw@mail.gmail.com>
Date: Fri, 1 Nov 2024 09:44:05 +0800
From: Ming Yu <a0282524688@...il.com>
To: Marc Kleine-Budde <mkl@...gutronix.de>
Cc: tmyu0@...oton.com, lee@...nel.org, linus.walleij@...aro.org, brgl@...ev.pl, 
	andi.shyti@...nel.org, mailhol.vincent@...adoo.fr, andrew+netdev@...n.ch, 
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, 
	wim@...ux-watchdog.org, linux@...ck-us.net, jdelvare@...e.com, 
	jic23@...nel.org, lars@...afoo.de, ukleinek@...nel.org, 
	alexandre.belloni@...tlin.com, linux-kernel@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org, 
	linux-can@...r.kernel.org, netdev@...r.kernel.org, 
	linux-watchdog@...r.kernel.org, linux-hwmon@...r.kernel.org, 
	linux-iio@...r.kernel.org, linux-pwm@...r.kernel.org, 
	linux-rtc@...r.kernel.org
Subject: Re: [PATCH v1 4/9] can: Add Nuvoton NCT6694 CAN support

> |   CC [M]  drivers/net/can/nct6694_canfd.o
> | drivers/net/can/nct6694_canfd.c: In function ‘nct6694_canfd_start_xmit’:
> | drivers/net/can/nct6694_canfd.c:282:22: error: variable ‘echo_byte’ set but not used [-Werror=unused-but-set-variable]
> |   282 |         unsigned int echo_byte;
> |       |                      ^~~~~~~~~
> | drivers/net/can/nct6694_canfd.c: In function ‘nct6694_canfd_rx_work’:
> | drivers/net/can/nct6694_canfd.c:677:34: error: variable ‘stats’ set but not used [-Werror=unused-but-set-variable]
> |   677 |         struct net_device_stats *stats;
> |       |                                  ^~~~~
> | cc1: all warnings being treated as errors
>
> If compiling with C=1, sparse throws the following errors:
>
> | drivers/net/can/nct6694_canfd.c:417:14: warning: cast to restricted __le32
> | drivers/net/can/nct6694_canfd.c:750:9: warning: cast to restricted __le32
> | drivers/net/can/nct6694_canfd.c:777:32: warning: cast to restricted __le32
>
> Marc
>

Okay! I will delete these unnecessary variables and correct the error in
the next patch.

Thanks,
Ming