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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: nl250060@ncr.com, Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <brgl@bgdev.pl>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] gpio: mmio: Use new flag BGPIOF_NO_INPUT
Date: Sun, 29 Jan 2023 17:01:32 +0100	[thread overview]
Message-ID: <3c5b6ae1-387f-143c-691f-92b96fe78270@linaro.org> (raw)
In-Reply-To: <20230126-gpio-mmio-fix-v1-3-8a20ce0e8275@ncr.com>

On 26/01/2023 11:17, Niall Leonard via B4 Submission Endpoint wrote:
> From: Niall Leonard <nl250060@ncr.com>
> 
> Use the existing shadow data register 'bgpio_data' to allow
> the last written value to be returned by the read operation
> when BGPIOF_NO_INPUT flag is set.
> 

(...)

>  	if (gc->set == bgpio_set_set &&
>  			!(flags & BGPIOF_UNREADABLE_REG_SET))
>  		gc->bgpio_data = gc->read_reg(gc->reg_set);
> @@ -711,6 +723,9 @@ static struct bgpio_pdata *bgpio_parse_dt(struct platform_device *pdev,
>  	if (of_property_read_bool(pdev->dev.of_node, "no-output"))
>  		*flags |= BGPIOF_NO_OUTPUT;
>  
> +	if (of_property_read_bool(pdev->dev.of_node, "no-input"))

As pointed, this brings undocumented property to two other bindings.
This needs to be fixed.

Best regards,
Krzysztof


  parent reply	other threads:[~2023-01-29 16:01 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-26 10:17 [PATCH 0/3] Introduce new optional property to mark port as write only Niall Leonard via B4 Submission Endpoint
2023-01-26 10:17 ` [PATCH 1/3] gpio: dt-bindings: add new property to wd,mbl-gpio bindings Niall Leonard via B4 Submission Endpoint
2023-01-26 12:28   ` Krzysztof Kozlowski
2023-01-27 11:39     ` Leonard, Niall
2023-01-29 15:59       ` Krzysztof Kozlowski
2023-01-30 13:20         ` Leonard, Niall
2023-01-30 18:37           ` Rob Herring
2023-01-31 10:25             ` Leonard, Niall
2023-01-27 12:57   ` Linus Walleij
2023-01-26 10:17 ` [PATCH 2/3] gpio: Add new flag BGPIOF_NO_INPUT Niall Leonard via B4 Submission Endpoint
2023-01-27 12:54   ` Linus Walleij
2023-01-31 10:22     ` Leonard, Niall
2023-01-26 10:17 ` [PATCH 3/3] gpio: mmio: Use " Niall Leonard via B4 Submission Endpoint
2023-01-27 12:53   ` Linus Walleij
2023-01-29 16:01   ` Krzysztof Kozlowski [this message]
2023-01-31 10:23     ` Leonard, Niall

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