From: Sascha Hauer <s.hauer@pengutronix.de>
To: Antony Pavlov <antonynpavlov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 2/5] spi: add controller driver for Atheros AR7XXX/AR9XXX SoCs
Date: Mon, 7 Apr 2014 09:38:56 +0200 [thread overview]
Message-ID: <20140407073856.GJ27055@pengutronix.de> (raw)
In-Reply-To: <1396722934-23818-3-git-send-email-antonynpavlov@gmail.com>
On Sat, Apr 05, 2014 at 10:35:31PM +0400, Antony Pavlov wrote:
> +static int ath79_spi_setup(struct spi_device *spi)
> +{
> + struct spi_master *master = spi->master;
> + struct device_d spi_dev = spi->dev;
> +
> + if (spi->bits_per_word != 8) {
> + dev_err(master->dev, "master doesn't support %d bits per word requested by %s\n",
> + spi->bits_per_word, spi_dev.name);
> + return -1;
> + }
> +
> + if ((spi->mode & (SPI_CPHA | SPI_CPOL)) != SPI_MODE_0) {
> + dev_err(master->dev, "master doesn't support SPI_MODE%d requested by %s\n",
> + spi->mode & (SPI_CPHA | SPI_CPOL), spi_dev.name);
> + return -1;
> + }
Better -EINVAL?
Otherwise this series looks good.
Sascha
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next prev parent reply other threads:[~2014-04-07 7:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-05 18:35 [PATCH 0/5] add SPI " Antony Pavlov
2014-04-05 18:35 ` [PATCH 1/5] spi: import bitbang txrx utility functions from linux Antony Pavlov
2014-04-05 18:35 ` [PATCH 2/5] spi: add controller driver for Atheros AR7XXX/AR9XXX SoCs Antony Pavlov
2014-04-07 7:38 ` Sascha Hauer [this message]
2014-04-07 7:59 ` Antony Pavlov
2014-04-05 18:35 ` [PATCH 3/5] MIPS: ar9331.dtsi: add SPI master Antony Pavlov
2014-04-05 18:35 ` [PATCH 4/5] MIPS: tplink-mr3020.dts: add S25FL032PIF SPI flash chip Antony Pavlov
2014-04-05 18:35 ` [PATCH 5/5] MIPS: tplink-mr3020_defconfig: add SPI support Antony Pavlov
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