Commit 8f391222 authored by Andy Gross's avatar Andy Gross Committed by Mark Brown
Browse files

spi: qup: Correct selection of FIFO/Block mode 



This patch fixes the calculation for determining whether to use FIFO or BLOCK
mode.

Signed-off-by: default avatarAndy Gross <agross@codeaurora.org>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 3d89e141

drivers/spi/spi-qup.c

+2 −2
Original line number Diff line number Diff line
@@ -287,7 +287,7 @@ static irqreturn_t spi_qup_qup_irq(int irq, void *dev_id) 
	writel_relaxed(opflags, controller->base + QUP_OPERATIONAL);



	if (!xfer) {

		dev_err_ratelimited(controller->dev, "unexpected irq %x08 %x08 %x08\n",

		dev_err_ratelimited(controller->dev, "unexpected irq %08x %08x %08x\n",

				    qup_err, spi_err, opflags);

		return IRQ_HANDLED;

	}
@@ -366,7 +366,7 @@ static int spi_qup_io_config(struct spi_device *spi, struct spi_transfer *xfer) 
	n_words = xfer->len / w_size;

	controller->w_size = w_size;



	if (n_words <= controller->in_fifo_sz) {

	if (n_words <= (controller->in_fifo_sz / sizeof(u32))) {

		mode = QUP_IO_M_MODE_FIFO;

		writel_relaxed(n_words, controller->base + QUP_MX_READ_CNT);

		writel_relaxed(n_words, controller->base + QUP_MX_WRITE_CNT);