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spi: s3c64xx: add missing check for polling mode 

Due to changes in mainline prior to submission the spi device detection
in polling mode breaks. This revealed the missing check for polling
during dma prepare. This patch adds the missing check.

Signed-off-by: Girish K S <ks.giri@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
hifive-unleashed-5.1
Girish K S 2013-06-27 12:26:53 +05:30 committed by Mark Brown
parent ad81f0545e
commit 9f4b323803
1 changed files with 3 additions and 0 deletions
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3
drivers/spi/spi-s3c64xx.c
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@ -434,6 +434,9 @@ static int s3c64xx_spi_prepare_transfer(struct spi_master *spi)
dma_cap_mask_t mask;
int ret;
if (is_polling(sdd))
return 0;
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);