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spi: rspi: Use dev_warn_once() instead of open-coding 

Use the helper introduced by commit e135303bd5 ("device: Add
dev_<level>_once variants") instead of open-coding the same operation.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200102133822.29346-4-geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2020-01-02 14:38:19 +01:00 committed by Mark Brown
parent aa32f76e0a
commit 1bec84ddd8
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 3 deletions
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5
drivers/spi/spi-rspi.c
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@ -620,9 +620,8 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx,
dmaengine_terminate_all(rspi->ctlr->dma_rx);
no_dma_rx:
if (ret == -EAGAIN) {
pr_warn_once("%s %s: DMA not available, falling back to PIO\n",
dev_driver_string(&rspi->ctlr->dev),
dev_name(&rspi->ctlr->dev));
dev_warn_once(&rspi->ctlr->dev,
"DMA not available, falling back to PIO\n");
}
return ret;
}