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spi: dw-mid: fix FIFO size

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The FIFO size is 40 accordingly to the specifications, but this means 0x40,
i.e. 64 bytes. This patch fixes the typo and enables FIFO size autodetection
for Intel MID devices.

Fixes: 7063c0d942 (spi/dw_spi: add DMA support)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Andy Shevchenko 2015-01-02 17:48:51 +02:00 committed by Mark Brown
parent d297933cc7
commit 67bf9cda4b
1 changed files with 0 additions and 1 deletions
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drivers/spi/spi-dw-mid.c
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@ -271,7 +271,6 @@ int dw_spi_mid_init(struct dw_spi *dws)
iounmap(clk_reg);
dws->num_cs = 16;
dws->fifo_len = 40; /* FIFO has 40 words buffer */
#ifdef CONFIG_SPI_DW_MID_DMA
dws->dma_priv = kzalloc(sizeof(struct mid_dma), GFP_KERNEL);