linux-kernel - Re: [PATCH v7 1/2] wilc1000: Add reset/enable GPIO support to SPI driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Wed, 22 Dec 2021 17:51:56 +0000 (UTC)
From:   Kalle Valo <kvalo@...nel.org>
To:     David Mosberger-Tang <davidm@...uge.net>
Cc:     Ajay Singh <ajay.kathat@...rochip.com>,
        Adham Abozaeid <adham.abozaeid@...rochip.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        David Mosberger-Tang <davidm@...uge.net>
Subject: Re: [PATCH v7 1/2] wilc1000: Add reset/enable GPIO support to SPI
 driver

David Mosberger-Tang <davidm@...uge.net> wrote:

> For the SDIO driver, the RESET/ENABLE pins of WILC1000 are controlled
> through the SDIO power sequence driver.  This commit adds analogous
> support for the SPI driver.  Specifically, during initialization, the
> chip will be ENABLEd and taken out of RESET and during
> deinitialization, the chip will be placed back into RESET and disabled
> (both to reduce power consumption and to ensure the WiFi radio is
> off).
> 
> Both RESET and ENABLE GPIOs are optional.  However, if the ENABLE GPIO
> is specified, then the RESET GPIO should normally also be specified as
> otherwise there is no way to ensure proper timing of the ENABLE/RESET
> sequence.
> 
> Signed-off-by: David Mosberger-Tang <davidm@...uge.net>
> Reviewed-by: Claudiu Beznea <claudiu.beznea@...rochip.com>

2 patches applied to wireless-drivers-next.git, thanks.

ec031ac4792c wilc1000: Add reset/enable GPIO support to SPI driver
f31ee3c0a555 wilc1000: Document enable-gpios and reset-gpios properties

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20211221212531.4011609-2-davidm@egauge.net/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches