diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2012-04-08 21:48:52 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-04-08 21:48:52 +0200 |
| commit | e75d660672ddd11704b7f0fdb8ff21968587b266 (patch) | |
| tree | ccb9c107744c10b553c0373e450bee3971d16c00 /drivers/spi/spi-fsl-espi.c | |
| parent | 61282f37927143e45b03153f3e7b48d6b702147a (diff) | |
| parent | 0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff) | |
Merge branch 'master' into for-next
Merge with latest Linus' tree, as I have incoming patches
that fix code that is newer than current HEAD of for-next.
Conflicts:
drivers/net/ethernet/realtek/r8169.c
Diffstat (limited to 'drivers/spi/spi-fsl-espi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-espi.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index d770f03705c..7523a2429d0 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -180,18 +180,20 @@ static int fsl_espi_setup_transfer(struct spi_device *spi, if ((mpc8xxx_spi->spibrg / hz) > 64) { cs->hw_mode |= CSMODE_DIV16; - pm = (mpc8xxx_spi->spibrg - 1) / (hz * 64) + 1; + pm = DIV_ROUND_UP(mpc8xxx_spi->spibrg, hz * 16 * 4); - WARN_ONCE(pm > 16, "%s: Requested speed is too low: %d Hz. " + WARN_ONCE(pm > 33, "%s: Requested speed is too low: %d Hz. " "Will use %d Hz instead.\n", dev_name(&spi->dev), - hz, mpc8xxx_spi->spibrg / 1024); - if (pm > 16) - pm = 16; + hz, mpc8xxx_spi->spibrg / (4 * 16 * (32 + 1))); + if (pm > 33) + pm = 33; } else { - pm = (mpc8xxx_spi->spibrg - 1) / (hz * 4) + 1; + pm = DIV_ROUND_UP(mpc8xxx_spi->spibrg, hz * 4); } if (pm) pm--; + if (pm < 2) + pm = 2; cs->hw_mode |= CSMODE_PM(pm); |