From: Russ Gorby <russ.gorby@intel.com>
To: Russ Gorby <russ.gorby@intel.com>,
Greg Kroah-Hartman <gregkh@suse.de>,
linux-kernel@vger.kernel.org
Cc: suhail.ahmed@intel.com
Subject: [PATCH 4/6] serial: ifx6x60: set SPI max_speed_hz based on platform type
Date: Mon, 7 Feb 2011 12:02:30 -0800 [thread overview]
Message-ID: <1297108952-27371-5-git-send-email-russ.gorby@intel.com> (raw)
In-Reply-To: <[PATCH 0/6] IFX6X60 patchset : 02/07/2011>
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@intel.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
next prev parent reply other threads:[~2011-02-07 19:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <[PATCH 0/6] IFX6X60 patchset : 02/07/2011>
2011-02-07 20:02 ` [PATCH 0/6] IFX6X60 patchset : 02/07/2011 Russ Gorby
2011-02-07 20:02 ` [PATCH 1/6] serial: ifx6x60: fixed call to tty_port_init Russ Gorby
2011-02-07 20:02 ` [PATCH 2/6] serial: ifx6x60: dma_alloc_coherent must use parent dev Russ Gorby
2011-02-07 20:02 ` [PATCH 3/6] serial: ifx6x60: changed internal bpw from boolean to int Russ Gorby
2011-02-07 20:02 ` Russ Gorby [this message]
2011-02-07 20:02 ` [PATCH 5/6] serial: ifx6x60: probe routine needs to call spi_setup Russ Gorby
2011-02-07 20:02 ` [PATCH 6/6] serial: ifx6x60: minor cleanup Russ Gorby
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