forked from luck/tmp_suning_uos_patched
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: Andy Gross <agross@codeaurora.org> Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
parent
3d89e141bb
commit
8f391222c0
@ -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);
|
||||
|
Loading…
Reference in New Issue
Block a user