openwrt/target/linux/ipq806x/patches/0075-spi-qup-Correct-selection-of-FIFO-Block-mode.patch

From e8e77359524e6629bac68db4183694fccffaed8e Mon Sep 17 00:00:00 2001
From: Andy Gross <agross@codeaurora.org>
Date: Tue, 13 May 2014 16:34:42 -0500
Subject: [PATCH 075/182] 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>
---
 drivers/spi/spi-qup.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -287,7 +287,7 @@ static irqreturn_t spi_qup_qup_irq(int i
 	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_
 	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);