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 /include | |
| parent | a3b7a581823857fab4fae71be9d1c830af78a766 (diff) | |
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 'include')
| -rw-r--r-- | include/linux/fsl/mc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h index cdb03aca2aef..a428c61ead6e 100644 --- a/include/linux/fsl/mc.h +++ b/include/linux/fsl/mc.h @@ -339,7 +339,7 @@ struct fsl_mc_io { * This field is only meaningful if the * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is set */ - spinlock_t spinlock; /* serializes mc_send_command() */ + raw_spinlock_t spinlock; /* serializes mc_send_command() */ }; }; |