linux-kernel - [PATCH 4/6] serial: ifx6x60: set SPI max_speed

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Date:	Mon,  7 Feb 2011 12:02:30 -0800
From:	Russ Gorby <russ.gorby@...el.com>
To:	Russ Gorby <russ.gorby@...el.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	linux-kernel@...r.kernel.org
Cc:	suhail.ahmed@...el.com
Subject: [PATCH 4/6] serial: ifx6x60: set SPI max_speed_hz based on platform type

Platforms containing the 6260 can run up to 25Mhz.

For these platforms set max_speed_hz to 25Mhz.

Signed-off-by: Russ Gorby <russ.gorby@...el.com>
---
 drivers/tty/serial/ifx6x60.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 9161cab..766f0c3 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -722,7 +722,7 @@ static void ifx_spi_io(unsigned long data)
 		/* note len is BYTES, not transfers */
 		ifx_dev->spi_xfer.len = IFX_SPI_TRANSFER_SIZE;
 		ifx_dev->spi_xfer.cs_change = 0;
-		ifx_dev->spi_xfer.speed_hz = 12500000;
+		ifx_dev->spi_xfer.speed_hz = ifx_dev->spi_dev->max_speed_hz;
 		/* ifx_dev->spi_xfer.speed_hz = 390625; */
 		ifx_dev->spi_xfer.bits_per_word = spi_bpw;
 
@@ -992,6 +992,7 @@ static int ifx_spi_spi_probe(struct spi_device *spi)
 	ifx_dev->modem = pl_data->modem_type;
 	ifx_dev->use_dma = pl_data->use_dma;
 	ifx_dev->max_hz = pl_data->max_hz;
+	spi->max_speed_hz = ifx_dev->max_hz;
 
 	/* ensure SPI protocol flags are initialized to enable transfer */
 	ifx_dev->spi_more = 0;
-- 
1.7.3.4

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