From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiner Kallweit Subject: [PATCH v2 01/09] spi: fsl-espi: improve check for SPI_QE_CPU_MODE Date: Thu, 27 Oct 2016 21:24:01 +0200 Message-ID: <0b5e7849-88d6-2af5-a428-eeb0de0f2af2@gmail.com> References: <5b98be38-17a2-79a2-14da-fb2bb6f8820f@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: "linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" To: Mark Brown Return-path: In-Reply-To: <5b98be38-17a2-79a2-14da-fb2bb6f8820f-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: SPI_QE_CPU_MODE doesn't exist for ESPI and is set by of_mpc8xxx_spi_probe based on DT property "mode". This property is not defined for ESPI, see Documentation/devicetree/bindings/spi/fsl-spi.txt. So print an error message and bail out if SPI_QE_CPU_MODE is set. Signed-off-by: Heiner Kallweit --- v2: - print error message and bail out instead of removing the check --- drivers/spi/spi-fsl-espi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index 4e8a99d..f04c246 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -583,8 +583,9 @@ static int fsl_espi_probe(struct device *dev, struct resource *mem, goto err_probe; if (mpc8xxx_spi->flags & SPI_QE_CPU_MODE) { - mpc8xxx_spi->rx_shift = 16; - mpc8xxx_spi->tx_shift = 24; + dev_err(dev, "SPI_QE_CPU_MODE is not supported on ESPI!\n"); + ret = -EINVAL; + goto err_probe; } /* SPI controller initializations */ -- 2.10.1 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html