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* [PATCH 1/5] include/linux/spi/dw_spi.h: enable platform specific chipselect.
@ 2010-01-21 11:40 George Shore
       [not found] ` <1264074052-2214-1-git-send-email-george-ofzTHo7+kyPpQY4QmZNtDQ@public.gmane.org>
  0 siblings, 1 reply; 6+ messages in thread
From: George Shore @ 2010-01-21 11:40 UTC (permalink / raw)
  To: spi-devel-list, Grant Likely, David Brownell; +Cc: George Shore

The driver core allows for a platform-specific chipselect assert/deassert
function, however the chipselect function in the core doesn't take advantage
of this fact.

This enables the use of a custom function, should it be defined.

Signed-off-by: George Shore <george-ofzTHo7+kyPpQY4QmZNtDQ@public.gmane.org>
---
 include/linux/spi/dw_spi.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/include/linux/spi/dw_spi.h b/include/linux/spi/dw_spi.h
index 1a127a3..cc813f9 100644
--- a/include/linux/spi/dw_spi.h
+++ b/include/linux/spi/dw_spi.h
@@ -172,6 +172,10 @@ static inline void spi_chip_sel(struct dw_spi *dws, u16 cs)
 {
 	if (cs > dws->num_cs)
 		return;
+
+	if (dws->cs_control)
+		dws->cs_control(1);
+
 	dw_writel(dws, ser, 1 << cs);
 }
 
-- 
1.6.6.264.gd0743


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^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2010-01-21 14:49 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2010-01-21 11:40 [PATCH 1/5] include/linux/spi/dw_spi.h: enable platform specific chipselect George Shore
     [not found] ` <1264074052-2214-1-git-send-email-george-ofzTHo7+kyPpQY4QmZNtDQ@public.gmane.org>
2010-01-21 11:40   ` [PATCH 2/5] spi/dw_spi: add return value to empty mrst_spi_debugfs_init() George Shore
2010-01-21 11:40   ` [PATCH 3/5] spi/dw_spi: fixed a spelling typo in a warning message George Shore
2010-01-21 11:40   ` [PATCH 4/5] spi/dw_spi.c: remove conditional from 'poll_transfer' George Shore
2010-01-21 11:40   ` [PATCH 5/5] spi/dw_spi.c: conditional transfer mode changes George Shore
2010-01-21 14:49   ` [PATCH 1/5] include/linux/spi/dw_spi.h: enable platform specific chipselect Grant Likely

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