netdev - Re: [PATCH RFC net 2/2] nfc: nxp-nci: Fix i2c read on ThinkPad hardware

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

Message-ID: <84508d22-2dcd-c49f-2424-37a717a49e1b@linaro.org>
Date: Wed, 7 Jun 2023 19:46:35 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Marco Giorgi <giorgi.marco.96@...root.org>, netdev@...r.kernel.org
Cc: u.kleine-koenig@...gutronix.de, davem@...emloft.net, michael@...le.cc,
 kuba@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC net 2/2] nfc: nxp-nci: Fix i2c read on ThinkPad
 hardware

On 07/06/2023 19:00, Marco Giorgi wrote:
> Read IRQ GPIO value and exit from IRQ if the device is not ready.

Why? What problem are you solving?

Why IRQ GPIO - whatever it is - means device is not ready for I2C transfer?

> 
> Signed-off-by: Marco Giorgi <giorgi.marco.96@...root.org>
> ---
>  drivers/nfc/nxp-nci/i2c.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)

Best regards,
Krzysztof