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-rw-r--r--drivers/spi/spi_mpc8xxx.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi_mpc8xxx.c b/drivers/spi/spi_mpc8xxx.c
index 08065fb1581..4f0cc9d457e 100644
--- a/drivers/spi/spi_mpc8xxx.c
+++ b/drivers/spi/spi_mpc8xxx.c
@@ -365,7 +365,7 @@ int mpc8xxx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
if ((mpc8xxx_spi->spibrg / hz) > 64) {
cs->hw_mode |= SPMODE_DIV16;
- pm = mpc8xxx_spi->spibrg / (hz * 64);
+ pm = (mpc8xxx_spi->spibrg - 1) / (hz * 64) + 1;
WARN_ONCE(pm > 16, "%s: Requested speed is too low: %d Hz. "
"Will use %d Hz instead.\n", dev_name(&spi->dev),
@@ -373,7 +373,7 @@ int mpc8xxx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
if (pm > 16)
pm = 16;
} else
- pm = mpc8xxx_spi->spibrg / (hz * 4);
+ pm = (mpc8xxx_spi->spibrg - 1) / (hz * 4) + 1;
if (pm)
pm--;