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From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Radu Pirea <radu.pirea@microchip.com>
Cc: broonie@kernel.org, nicolas.ferre@microchip.com,
	lee.jones@linaro.org, richard.genoud@gmail.com,
	robh+dt@kernel.org, mark.rutland@arm.com,
	gregkh@linuxfoundation.org, linux-spi@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	linux-serial@vger.kernel.org
Subject: Re: [PATCH v6 3/6] mfd: at91-usart: added mfd driver for usart
Date: Mon, 11 Jun 2018 17:36:32 +0200	[thread overview]
Message-ID: <20180611153632.GG10521@piout.net> (raw)
In-Reply-To: <20180607110020.20565-4-radu.pirea@microchip.com>

On 07/06/2018 14:00:17+0300, Radu Pirea wrote:
> +static int at91_usart_mode_probe(struct platform_device *pdev)
> +{
> +	struct mfd_cell cell;
> +	u32 opmode;

This has to be initialized to AT91_USART_MODE_SERIAL...

> +	int err;
> +
> +	err = device_property_read_u32(&pdev->dev, "atmel,usart-mode", &opmode);
> +

because if the property is not present, then opmode will not be modified
which means it could hold the value of AT91_USART_MODE_SPI.


-- 
Alexandre Belloni, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

  reply	other threads:[~2018-06-11 15:36 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-07 11:00 [PATCH v6 0/6] Driver for at91 usart in spi mode Radu Pirea
2018-06-07 11:00 ` [PATCH v6 1/6] MAINTAINERS: add at91 usart mfd driver Radu Pirea
2018-06-07 11:00 ` [PATCH v6 2/6] dt-bindings: add binding for atmel-usart in SPI mode Radu Pirea
2018-06-11 15:37   ` Alexandre Belloni
2018-06-07 11:00 ` [PATCH v6 3/6] mfd: at91-usart: added mfd driver for usart Radu Pirea
2018-06-11 15:36   ` Alexandre Belloni [this message]
2018-06-07 11:00 ` [PATCH v6 4/6] MAINTAINERS: add at91 usart spi driver Radu Pirea
2018-06-07 11:00 ` [PATCH v6 5/6] spi: at91-usart: add driver for at91-usart as spi Radu Pirea
2018-06-07 11:00 ` [PATCH v6 6/6] tty/serial: atmel: change the driver to work under at91-usart mfd Radu Pirea
2018-06-07 13:42   ` Richard Genoud
2018-06-07 13:18 ` [PATCH v6 0/6] Driver for at91 usart in spi mode Andy Shevchenko

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