diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.10/0046-spi-spi-bcm2708-respect-per-transfer-SPI-clock-speed.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-3.10/0046-spi-spi-bcm2708-respect-per-transfer-SPI-clock-speed.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/target/linux/brcm2708/patches-3.10/0046-spi-spi-bcm2708-respect-per-transfer-SPI-clock-speed.patch b/target/linux/brcm2708/patches-3.10/0046-spi-spi-bcm2708-respect-per-transfer-SPI-clock-speed.patch deleted file mode 100644 index 3f634dc503..0000000000 --- a/target/linux/brcm2708/patches-3.10/0046-spi-spi-bcm2708-respect-per-transfer-SPI-clock-speed.patch +++ /dev/null @@ -1,47 +0,0 @@ -From 78948302252dcffa18716390f784ba03e4320c67 Mon Sep 17 00:00:00 2001 -From: Kamal Mostafa <kamal@whence.com> -Date: Mon, 22 Oct 2012 15:52:44 -0700 -Subject: [PATCH 046/196] spi/spi-bcm2708: respect per-transfer SPI clock - speed_hz value - -The bcm2708 SPI driver's bcm2708_process_transfer() was ignoring the -per-transfer speed_hz value even when it was provided (it always just -used the spi device's max_speed_hz value). Now, per-transfer speed_hz -values are respected. - -Also added debug print to bcm2708_setup_state() to help keep an eye on -the configured SPI parameters. - -Signed-off-by: Kamal Mostafa <kamal@whence.com> ---- - drivers/spi/spi-bcm2708.c | 7 ++++++- - 1 file changed, 6 insertions(+), 1 deletion(-) - -diff --git a/drivers/spi/spi-bcm2708.c b/drivers/spi/spi-bcm2708.c -index 8513704..b74aa32 100644 ---- a/drivers/spi/spi-bcm2708.c -+++ b/drivers/spi/spi-bcm2708.c -@@ -259,6 +259,10 @@ static int bcm2708_setup_state(struct spi_master *master, - if (state) { - state->cs = cs; - state->cdiv = cdiv; -+ dev_dbg(dev, "setup: want %d Hz; " -+ "bus_hz=%lu / cdiv=%u == %lu Hz; " -+ "mode %u: cs 0x%08X\n", -+ hz, bus_hz, cdiv, bus_hz/cdiv, mode, cs); - } - - return 0; -@@ -277,7 +281,8 @@ static int bcm2708_process_transfer(struct bcm2708_spi *bs, - - if (xfer->bits_per_word || xfer->speed_hz) { - ret = bcm2708_setup_state(spi->master, &spi->dev, &state, -- spi->max_speed_hz, spi->chip_select, spi->mode, -+ xfer->speed_hz ? xfer->speed_hz : spi->max_speed_hz, -+ spi->chip_select, spi->mode, - spi->bits_per_word); - if (ret) - return ret; --- -1.9.1 - |