lkml.org 
[lkml]   [2014]   [May]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/4] spi: qup: Correct selection of FIFO/Block mode
Date
This patch fixes the calculation for determining whether to use FIFO or BLOCK
mode.

Signed-off-by: Andy Gross <agross@codeaurora.org>
---
drivers/spi/spi-qup.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index ea7017b..57b65e9 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -289,7 +289,7 @@ 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;
}
@@ -368,7 +368,7 @@ 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);
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation


\
 
 \ /
  Last update: 2014-05-14 00:01    [W:0.078 / U:1.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site