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spi: sh-msiof: 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
functionality.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2017-11-30 14:38:50 +01:00 committed by Mark Brown
parent 4fbd8d194f
commit 5d8e614f6c
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 3 deletions
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5
drivers/spi/spi-sh-msiof.c
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@ -912,9 +912,8 @@ static int sh_msiof_transfer_one(struct spi_master *master,
ret = sh_msiof_dma_once(p, tx_buf, rx_buf, l);
if (ret == -EAGAIN) {
pr_warn_once("%s %s: DMA not available, falling back to PIO\n",
dev_driver_string(&p->pdev->dev),
dev_name(&p->pdev->dev));
dev_warn_once(&p->pdev->dev,
"DMA not available, falling back to PIO\n");
break;
}
if (ret)