linux-kernel - [ 44/47] spi-topcliff-pch: supports a spi mode setup and bit order setup by IO control

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Message-Id: <20120518212653.182566715@linuxfoundation.org>
Date:	Fri, 18 May 2012 14:27:33 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Tomoya MORINAGA <tomoya.rohm@...il.com>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: [ 44/47] spi-topcliff-pch: supports a spi mode setup and bit order setup by IO control

3.3-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tomoya MORINAGA <tomoya.rohm@...il.com>

commit f258b44e22e07f5e98ac2260c70acff5784791b6 upstream.

This patch supports a spi mode setup and bit order setup by IO control.
    spi mode:     mode 0 to mode 3
    bit order:    LSB first, MSB first

Signed-off-by: Tomoya MORINAGA <tomoya.rohm@...il.com>
Signed-off-by: Grant Likely <grant.likely@...retlab.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/spi/spi-topcliff-pch.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -1434,6 +1434,7 @@ static int __devinit pch_spi_pd_probe(st
 	master->num_chipselect = PCH_MAX_CS;
 	master->setup = pch_spi_setup;
 	master->transfer = pch_spi_transfer;
+	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
 
 	data->board_dat = board_dat;
 	data->plat_dev = plat_dev;


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