linux-kernel - Re: [PATCH 2/9] rtc: bd70528: Drop BD70528 support

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Message-ID: <YKzjtml4GL+dhP6j@piout.net>
Date:   Tue, 25 May 2021 13:47:02 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
Cc:     Matti Vaittinen <mazziesaccount@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Sebastian Reichel <sre@...nel.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-power@...rohmeurope.com, linux-gpio@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-rtc@...r.kernel.org,
        linux-watchdog@...r.kernel.org
Subject: Re: [PATCH 2/9] rtc: bd70528: Drop BD70528 support

On 25/05/2021 13:14:09+0300, Matti Vaittinen wrote:
> The only known BD70528 use-cases are such that the PMIC is controlled
> from separate MCU which is not running Linux. I am not aware of
> any Linux driver users. Furthermore, it seems there is no demand for
> this IC. Let's ease the maintenance burden and drop the driver. We can
> always add it back if there is sudden need for it.
> 
> Signed-off-by: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
> 
> ---
> My heart is a bit less bleeding when I see how much simpler this RTC
> driver became..
> Please let me know if some of you think the driver is needed.
> ---
>  drivers/rtc/Kconfig       |   4 +-
>  drivers/rtc/rtc-bd70528.c | 316 ++------------------------------------
>  2 files changed, 13 insertions(+), 307 deletions(-)
> 
> diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
> index d8c13fded164..398899217626 100644
> --- a/drivers/rtc/Kconfig
> +++ b/drivers/rtc/Kconfig
> @@ -502,10 +502,10 @@ config RTC_DRV_M41T80_WDT
>  
>  config RTC_DRV_BD70528
>  	tristate "ROHM BD70528, BD71815 and BD71828 PMIC RTC"
> -	depends on MFD_ROHM_BD71828 || MFD_ROHM_BD70528 && (BD70528_WATCHDOG || !BD70528_WATCHDOG)
> +	depends on MFD_ROHM_BD71828

This won't apply as I applied b0ddc5b17005 ("rtc: bd70528: fix BD71815
watchdog dependency") yesterday...

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com