From: Florian Fainelli <florian.fainelli@broadcom.com>
To: Artur Weber <aweber.kernel@gmail.com>,
Ray Jui <rjui@broadcom.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Scott Branden <sbranden@broadcom.com>,
Markus Mayer <markus.mayer@linaro.org>,
Tim Kryger <tim.kryger@linaro.org>,
Matt Porter <matt.porter@linaro.org>,
Markus Mayer <mmayer@broadcom.com>,
Christian Daudt <csd@broadcom.com>
Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
~postmarketos/upstreaming@lists.sr.ht
Subject: Re: [PATCH 1/3] gpio: bcm-kona: Fix GPIO lock/unlock for banks above bank 0
Date: Thu, 30 Jan 2025 13:33:08 -0800 [thread overview]
Message-ID: <b7662246-813e-4e5f-b41a-574751110833@broadcom.com> (raw)
In-Reply-To: <20250130-kona-gpio-fixes-v1-1-dd61e0c0a9e7@gmail.com>
On 1/30/25 09:10, Artur Weber wrote:
> The GPIO lock/unlock functions clear/write a bit to the relevant
> register for each bank. However, due to an oversight the bit that
> was being written was based on the total GPIO number, not the index
> of the GPIO within the relevant bank, causing it to fail for any
> GPIO above 32 (thus any GPIO for banks above bank 0).
>
> Fix lock/unlock for these banks by using the correct bit.
>
> Fixes: bdb93c03c550 ("gpio: bcm281xx: Centralize register locking")
> Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
--
Florian
next prev parent reply other threads:[~2025-01-30 21:33 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-30 17:10 [PATCH 0/3] gpio: bcm-kona: Various GPIO fixups Artur Weber
2025-01-30 17:10 ` [PATCH 1/3] gpio: bcm-kona: Fix GPIO lock/unlock for banks above bank 0 Artur Weber
2025-01-30 21:33 ` Florian Fainelli [this message]
2025-01-30 22:00 ` Markus Mayer
2025-01-30 17:10 ` [PATCH 2/3] gpio: bcm-kona: Make sure GPIO bits are unlocked when requesting IRQ Artur Weber
2025-01-30 21:35 ` Florian Fainelli
2025-01-30 21:46 ` Artur Weber
2025-01-30 22:07 ` Florian Fainelli
2025-01-30 22:13 ` Florian Fainelli
2025-01-30 22:36 ` Markus Mayer
2025-01-30 17:10 ` [PATCH 3/3] gpio: bcm-kona: Add missing newline to dev_err format string Artur Weber
2025-01-30 18:41 ` Florian Fainelli
2025-01-30 22:08 ` Markus Mayer
2025-02-06 9:34 ` [PATCH 0/3] gpio: bcm-kona: Various GPIO fixups Linus Walleij
2025-02-06 9:36 ` Linus Walleij
2025-02-06 15:37 ` Artur Weber
2025-02-06 17:48 ` Artur Weber
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