From: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Wan ZongShun <mcuos.com-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH] spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if hw->pdata->lsb is true
Date: Mon, 20 Jan 2014 23:22:07 +0800 [thread overview]
Message-ID: <1390231327.11756.3.camel@phoenix> (raw)
Otherwise, spi_setup() fails with unsupported mode bits message.
Signed-off-by: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
---
drivers/spi/spi-nuc900.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index 5040630..bae97ff 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -361,6 +361,8 @@ static int nuc900_spi_probe(struct platform_device *pdev)
init_completion(&hw->done);
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
+ if (hw->pdata->lsb)
+ master->mode_bits |= SPI_LSB_FIRST;
master->num_chipselect = hw->pdata->num_cs;
master->bus_num = hw->pdata->bus_num;
hw->bitbang.master = hw->master;
--
1.8.1.2
--
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next reply other threads:[~2014-01-20 15:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-20 15:22 Axel Lin [this message]
2014-01-27 20:31 ` [PATCH] spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if hw->pdata->lsb is true Mark Brown
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