From 2862f95263d0ab82bd3aa5ecd47698e224214f96 Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Thu, 8 Dec 2016 11:52:26 +0100 Subject: spi: mvebu: improve error reporting MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Uwe Kleine-König Signed-off-by: Sascha Hauer --- drivers/spi/mvebu_spi.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/spi/mvebu_spi.c b/drivers/spi/mvebu_spi.c index c5d8732e4f..14ab39603c 100644 --- a/drivers/spi/mvebu_spi.c +++ b/drivers/spi/mvebu_spi.c @@ -264,13 +264,19 @@ static int mvebu_spi_do_transfer(struct spi_device *spi, if (t->bits_per_word) ret = mvebu_spi_set_transfer_size(priv, spi->bits_per_word); - if (ret) + if (ret) { + dev_err(&spi->dev, "Failed to set transfer size (bpw = %u)\n", + (unsigned)spi->bits_per_word); return ret; + } if (t->speed_hz) ret = priv->set_baudrate(priv, t->speed_hz); - if (ret) + if (ret) { + dev_err(&spi->dev, "Failed to set baudrate to %u Hz\n", + (unsigned)t->speed_hz); return ret; + } inc = (priv->data16) ? 2 : 1; for (n = 0; n < t->len; n += inc) { @@ -314,8 +320,10 @@ static int mvebu_spi_transfer(struct spi_device *spi, struct spi_message *msg) } ret = mvebu_spi_set_cs(priv, spi->chip_select, spi->mode, true); - if (ret) + if (ret) { + dev_err(&spi->dev, "Failed to set chip select\n"); return ret; + } msg->actual_length = 0; -- cgit v1.2.3