spi: mvebu: improve error reporting
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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7251966266
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2862f95263
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@ -264,13 +264,19 @@ static int mvebu_spi_do_transfer(struct spi_device *spi,
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if (t->bits_per_word)
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if (t->bits_per_word)
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ret = mvebu_spi_set_transfer_size(priv, spi->bits_per_word);
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ret = mvebu_spi_set_transfer_size(priv, spi->bits_per_word);
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if (ret)
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if (ret) {
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dev_err(&spi->dev, "Failed to set transfer size (bpw = %u)\n",
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(unsigned)spi->bits_per_word);
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return ret;
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return ret;
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}
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if (t->speed_hz)
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if (t->speed_hz)
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ret = priv->set_baudrate(priv, t->speed_hz);
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ret = priv->set_baudrate(priv, t->speed_hz);
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if (ret)
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if (ret) {
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dev_err(&spi->dev, "Failed to set baudrate to %u Hz\n",
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(unsigned)t->speed_hz);
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return ret;
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return ret;
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}
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inc = (priv->data16) ? 2 : 1;
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inc = (priv->data16) ? 2 : 1;
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for (n = 0; n < t->len; n += inc) {
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for (n = 0; n < t->len; n += inc) {
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@ -314,8 +320,10 @@ static int mvebu_spi_transfer(struct spi_device *spi, struct spi_message *msg)
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}
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}
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ret = mvebu_spi_set_cs(priv, spi->chip_select, spi->mode, true);
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ret = mvebu_spi_set_cs(priv, spi->chip_select, spi->mode, true);
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if (ret)
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if (ret) {
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dev_err(&spi->dev, "Failed to set chip select\n");
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return ret;
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return ret;
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}
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msg->actual_length = 0;
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msg->actual_length = 0;
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