[PATCH] spi_topcliff_pch: supports a spi mode setup and bit order setup by IO control

From: Toshiharu Okada
Date: Wed Jul 20 2011 - 01:57:39 EST


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: Toshiharu Okada <toshiharu-linux@xxxxxxxxxxxxxxx>
---
drivers/spi/spi_topcliff_pch.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/spi/spi_topcliff_pch.c b/drivers/spi/spi_topcliff_pch.c
index 79e48d4..dec83c9 100644
--- a/drivers/spi/spi_topcliff_pch.c
+++ b/drivers/spi/spi_topcliff_pch.c
@@ -1038,6 +1038,7 @@ static int pch_spi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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;
dev_dbg(&pdev->dev,
"%s transfer member of SPI master initialized\n", __func__);

--
1.7.4.4

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