* [PATCH] spi: altera: Use bits_per_word_mask
@ 2014-03-05 5:37 Axel Lin
2014-03-13 9:55 ` Mark Brown
0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2014-03-05 5:37 UTC (permalink / raw)
To: Mark Brown; +Cc: Thomas Chou, linux-spi-u79uwXL29TY76Z2rM5mHXA
This driver does not work for bits_per_word greater than 16.
Set bits_per_word_mask so spi core will reject transfers that attempt to use
an unsupported bits_per_word value.
Signed-off-by: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
---
drivers/spi/spi-altera.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index 1928b83..f83f626 100644
--- a/drivers/spi/spi-altera.c
+++ b/drivers/spi/spi-altera.c
@@ -213,6 +213,7 @@ static int altera_spi_probe(struct platform_device *pdev)
master->bus_num = pdev->id;
master->num_chipselect = 16;
master->mode_bits = SPI_CS_HIGH;
+ master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 16);
hw = spi_master_get_devdata(master);
platform_set_drvdata(pdev, hw);
--
1.8.1.2
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] spi: altera: Use bits_per_word_mask
2014-03-05 5:37 [PATCH] spi: altera: Use bits_per_word_mask Axel Lin
@ 2014-03-13 9:55 ` Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2014-03-13 9:55 UTC (permalink / raw)
To: Axel Lin; +Cc: Thomas Chou, linux-spi-u79uwXL29TY76Z2rM5mHXA
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On Wed, Mar 05, 2014 at 01:37:00PM +0800, Axel Lin wrote:
> This driver does not work for bits_per_word greater than 16.
> Set bits_per_word_mask so spi core will reject transfers that attempt to use
> an unsupported bits_per_word value.
Applied, thanks.
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