diff options
| author | Laurentiu Tudor <laurentiu.tudor@nxp.com> | 2020-07-17 18:47:59 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-23 17:54:33 +0300 |
| commit | 9a872def598195d2de4a4a74e17804142e2aa78e (patch) | |
| tree | 101f0671ac49003467655ada35727a190052e332 /drivers/bus/fsl-mc/mc-io.c | |
| parent | a3b7a581823857fab4fae71be9d1c830af78a766 (diff) | |
| download | linux-9a872def598195d2de4a4a74e17804142e2aa78e.tar.xz | |
bus: fsl-mc: use raw spin lock to serialize mc cmds
Replace the spinlock that serializes the MC commands with a raw
spinlock. This is needed for the RT kernel because there are MC
commands sent in interrupt context.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20200717154800.17169-3-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/bus/fsl-mc/mc-io.c')
| -rw-r--r-- | drivers/bus/fsl-mc/mc-io.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/bus/fsl-mc/mc-io.c b/drivers/bus/fsl-mc/mc-io.c index 6ae48ad80409..a30b53f1d87d 100644 --- a/drivers/bus/fsl-mc/mc-io.c +++ b/drivers/bus/fsl-mc/mc-io.c @@ -82,7 +82,7 @@ int __must_check fsl_create_mc_io(struct device *dev, mc_io->portal_phys_addr = mc_portal_phys_addr; mc_io->portal_size = mc_portal_size; if (flags & FSL_MC_IO_ATOMIC_CONTEXT_PORTAL) - spin_lock_init(&mc_io->spinlock); + raw_spin_lock_init(&mc_io->spinlock); else mutex_init(&mc_io->mutex); |