spi: dw-mid: fix FIFO size

commit 67bf9cda4b498b8cea4a40be67a470afe57d2e88 upstream.

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: 7063c0d942a1 (spi/dw_spi: add DMA support)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index 0791c92e8c505cc9a35158bcdcdf0a7612ae92de..1389fefe8814105a857c0dcb24d5a64485080ca5 100644 (file)
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -222,7 +222,6 @@ 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);