From: Rob Herring <robh@kernel.org>
To: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: ulf.hansson@linaro.org, nicolas.ferre@microchip.com,
alexandre.belloni@bootlin.com, ludovic.desroches@microchip.com,
linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/4] mmc: pwrseq: sd8787: add support for selectable
Date: Fri, 13 Aug 2021 15:23:56 -0500 [thread overview]
Message-ID: <YRbU3NtbYamh7UGH@robh.at.kernel.org> (raw)
In-Reply-To: <20210806113001.821660-1-claudiu.beznea@microchip.com>
On Fri, Aug 06, 2021 at 02:29:57PM +0300, Claudiu Beznea wrote:
> Hi,
>
> This series adds support for selecting the delay b/w reset and power
> lines on pwrseq-sd8787. With this the driver could also be used by
> other devices (e.g. WILC1000/WILC3000 which needs a delay of 5ms). Along
> with this added the DT bindings for WILC3000 device present on
> SAMA5D27 WLSOM1 board.
A 300ms delay doesn't work? Is powering on the device so timing
critical?
Add a new compatible for your device and imply the timing from that.
That way we're not extending the binding a property at a time in a
poorly designed way for each new timing quirk.
Rob
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: devicetree@vger.kernel.org, ulf.hansson@linaro.org,
alexandre.belloni@bootlin.com, linux-mmc@vger.kernel.org,
linux-kernel@vger.kernel.org, ludovic.desroches@microchip.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/4] mmc: pwrseq: sd8787: add support for selectable
Date: Fri, 13 Aug 2021 15:23:56 -0500 [thread overview]
Message-ID: <YRbU3NtbYamh7UGH@robh.at.kernel.org> (raw)
In-Reply-To: <20210806113001.821660-1-claudiu.beznea@microchip.com>
On Fri, Aug 06, 2021 at 02:29:57PM +0300, Claudiu Beznea wrote:
> Hi,
>
> This series adds support for selecting the delay b/w reset and power
> lines on pwrseq-sd8787. With this the driver could also be used by
> other devices (e.g. WILC1000/WILC3000 which needs a delay of 5ms). Along
> with this added the DT bindings for WILC3000 device present on
> SAMA5D27 WLSOM1 board.
A 300ms delay doesn't work? Is powering on the device so timing
critical?
Add a new compatible for your device and imply the timing from that.
That way we're not extending the binding a property at a time in a
poorly designed way for each new timing quirk.
Rob
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-08-13 20:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-06 11:29 [PATCH 0/4] mmc: pwrseq: sd8787: add support for selectable Claudiu Beznea
2021-08-06 11:29 ` Claudiu Beznea
2021-08-06 11:29 ` [PATCH 1/4] dt-bindings: mmc: pwrseq-sd8787: add binding for delay b/w reset and power Claudiu Beznea
2021-08-06 11:29 ` Claudiu Beznea
2021-08-06 11:29 ` [PATCH 2/4] mmc: pwrseq: sd8787: add support for specifying the delay b/w power and reset Claudiu Beznea
2021-08-06 11:29 ` Claudiu Beznea
2021-08-06 11:30 ` [PATCH 3/4] mmc: pwrseq: add wilc1000_sdio dependency for pwrseq_sd8787 Claudiu Beznea
2021-08-06 11:30 ` Claudiu Beznea
2021-08-06 11:30 ` [PATCH 4/4] ARM: dts: at91: sama5d27_wlsom1: add wifi device Claudiu Beznea
2021-08-06 11:30 ` Claudiu Beznea
2021-08-13 20:23 ` Rob Herring [this message]
2021-08-13 20:23 ` [PATCH 0/4] mmc: pwrseq: sd8787: add support for selectable Rob Herring
2021-08-16 6:46 ` Claudiu.Beznea
2021-08-16 6:46 ` Claudiu.Beznea
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