diff options
| author | Jason Jin <Jason.Jin@freescale.com> | 2015-03-19 05:40:14 (GMT) |
|---|---|---|
| committer | Jason Jin <Jason.Jin@freescale.com> | 2015-03-19 05:40:14 (GMT) |
| commit | b2d58e506b33b18574807e63007e87ebca0f9c07 (patch) | |
| tree | fc2afd772ba5cdac0dd091f65c492695b27d9a17 /drivers/mfd/kempld-core.c | |
| parent | 2bbe09ef71ce8446ba0b3e29df2099150e9e6fdf (diff) | |
| parent | eb985cb9b5e02d470870617b41fa51a1d9360c7f (diff) | |
| download | linux-fsl-qoriq-b2d58e506b33b18574807e63007e87ebca0f9c07.tar.xz | |
Merge branch 'qoriq-sdk' into LS1-SDK
Diffstat (limited to 'drivers/mfd/kempld-core.c')
| -rw-r--r-- | drivers/mfd/kempld-core.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c index d3e2327..38917a8 100644 --- a/drivers/mfd/kempld-core.c +++ b/drivers/mfd/kempld-core.c @@ -322,9 +322,12 @@ static int kempld_detect_device(struct kempld_device_data *pld) return -ENODEV; } - /* Release hardware mutex if aquired */ - if (!(index_reg & KEMPLD_MUTEX_KEY)) + /* Release hardware mutex if acquired */ + if (!(index_reg & KEMPLD_MUTEX_KEY)) { iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); + /* PXT and COMe-cPC2 boards may require a second release */ + iowrite8(KEMPLD_MUTEX_KEY, pld->io_index); + } mutex_unlock(&pld->lock); |