spi: spi-s3c64xx: Use local variable for FIFO length (f6364e66) · Commits · 戴 / test

More references to fifo_len are added in subsequent patch. Signed-off-by:

drivers/spi/spi-s3c64xx.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -634,6 +634,7 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master,
		struct spi_transfer *xfer)
		{
		struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
		const unsigned int fifo_len = (FIFO_LVL_MASK(sdd) >> 1) + 1;
		int status;
		u32 speed;
		u8 bpw;
		@@ -655,9 +656,8 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master,

		/* Polling method for xfers not bigger than FIFO capacity */
		use_dma = 0;
		if (!is_polling(sdd) &&
		(sdd->rx_dma.ch && sdd->tx_dma.ch &&
		(xfer->len > ((FIFO_LVL_MASK(sdd) >> 1) + 1))))
		if (!is_polling(sdd) && (xfer->len > fifo_len) &&
		sdd->rx_dma.ch && sdd->tx_dma.ch)
		use_dma = 1;

		spin_lock_irqsave(&sdd->lock, flags);