From: "Michael Walle" <mwalle@kernel.org>
To: <longzhao@ambarella.com>, "Bartosz Golaszewski" <brgl@kernel.org>,
<linux-gpio@vger.kernel.org>
Cc: "Linus Walleij" <linusw@kernel.org>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski@oss.qualcomm.com>,
"Conor Dooley" <conor+dt@kernel.org>,
"Mika Westerberg" <westeri@kernel.org>,
<linux-acpi@vger.kernel.org>, <devicetree@vger.kernel.org>,
"Long Zhao" <zl020895@163.com>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v13 02/13] gpiolib: regmap: add GPIO_REGMAP_QUIRK_SET_AFTER_DIR
Date: Mon, 02 Nov 2026 09:35:35 +0100 [thread overview]
Message-ID: <DMKL5UA6LF1L.JHZVY1JO1AE2@kernel.org> (raw)
In-Reply-To: <20261102-cv75-gpio-v13-2-4f93114ea204@ambarella.com>
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On Mon Nov 2, 2026 at 7:45 AM CET, Long Zhao via B4 Relay wrote:
> From: Long Zhao <longzhao@ambarella.com>
>
> Some controllers ignore output writes while a line is still an input.
> Add a behaviour flag so the output value is written after the direction
> change. This is a legacy quirk. New hardware must not use it.
>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Reviewed-by: Michael Walle <mwalle@kernel.org>
> Reviewed-by: Linus Walleij <linusw@kernel.org>
> Signed-off-by: Long Zhao <longzhao@ambarella.com>
Nitpick, if you'll send a new version: I've just noticed the
subject. It should be "gpio: regmap:" not gpiolib.
-michael
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next prev parent reply other threads:[~2026-11-02 8:35 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-02 6:45 [PATCH v13 00/13] gpio: add Ambarella CV75 PL061 support Long Zhao via B4 Relay
2026-11-02 6:45 ` [PATCH v13 01/13] dt-bindings: gpio: pl061: add Ambarella CV75 variant Long Zhao via B4 Relay
2026-11-02 6:57 ` sashiko-bot
2026-11-02 6:45 ` [PATCH v13 02/13] gpiolib: regmap: add GPIO_REGMAP_QUIRK_SET_AFTER_DIR Long Zhao via B4 Relay
2026-11-02 7:01 ` sashiko-bot
2026-11-02 8:35 ` Michael Walle [this message]
2026-11-02 6:45 ` [PATCH v13 03/13] gpio: pl061: drop redundant pending check in the IRQ handler Long Zhao via B4 Relay
2026-11-02 6:45 ` [PATCH v13 04/13] gpio: pl061: convert register access to regmap Long Zhao via B4 Relay
2026-11-02 6:45 ` [PATCH v13 05/13] gpio: pl061: use IRQ_TYPE_LEVEL_MASK and IRQ_TYPE_EDGE_BOTH Long Zhao via B4 Relay
2026-11-02 6:45 ` [PATCH v13 06/13] gpio: pl061: use cleanup helpers for locks Long Zhao via B4 Relay
2026-11-02 6:46 ` [PATCH v13 07/13] gpio: pl061: keep the parent device in a local Long Zhao via B4 Relay
2026-11-02 6:46 ` [PATCH v13 08/13] gpio: regmap: remove gpiochip before tearing down irqchip Long Zhao via B4 Relay
2026-11-02 8:33 ` Michael Walle
2026-11-02 6:46 ` [PATCH v13 09/13] gpiolib: request ACPI GPIO events for external IRQ domains Long Zhao via B4 Relay
2026-11-02 6:46 ` [PATCH v13 10/13] gpio: pl061: switch data path to gpio-regmap Long Zhao via B4 Relay
2026-11-02 7:10 ` sashiko-bot
2026-11-02 6:46 ` [PATCH v13 11/13] gpio: pl061: add Ambarella register-layout variant Long Zhao via B4 Relay
2026-11-02 6:46 ` [PATCH v13 12/13] gpio: pl061: tidy up IRQ trigger logging Long Zhao via B4 Relay
2026-11-02 6:46 ` [PATCH v13 13/13] gpio: pl061: use string_choices helpers for " Long Zhao via B4 Relay
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