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Commit ea11370f authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mark Brown
Browse files

spi: dw: get TX level without an additional variable 



There is no need to have an additional variable to get a TX level. The patch
refactors this piece of code.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 39bc03bf

drivers/spi/spi-dw.c

+4 −7
Original line number Diff line number Diff line
@@ -365,7 +365,7 @@ static void pump_transfers(unsigned long data) 
	u8 bits = 0;

	u8 imask = 0;

	u8 cs_change = 0;

	u16 txint_level = 0;

	u16 txlevel = 0;

	u16 clk_div = 0;

	u32 speed = 0;

	u32 cr0 = 0;
@@ -461,10 +461,7 @@ static void pump_transfers(unsigned long data) 
	 * we only need set the TXEI IRQ, as TX/RX always happen syncronizely

	 */

	if (!dws->dma_mapped && !chip->poll_mode) {

		int templen = dws->len / dws->n_bytes;



		txint_level = dws->fifo_len / 2;

		txint_level = (templen > txint_level) ? txint_level : templen;

		txlevel = min_t(u16, dws->fifo_len / 2, dws->len / dws->n_bytes);



		imask |= SPI_INT_TXEI | SPI_INT_TXOI |

			 SPI_INT_RXUI | SPI_INT_RXOI;
@@ -490,8 +487,8 @@ static void pump_transfers(unsigned long data) 
		spi_mask_intr(dws, 0xff);

		if (imask)

			spi_umask_intr(dws, imask);

		if (txint_level)

			dw_writew(dws, DW_SPI_TXFLTR, txint_level);

		if (txlevel)

			dw_writew(dws, DW_SPI_TXFLTR, txlevel);



		spi_enable_chip(dws, 1);

	}