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authorLaurentiu Tudor <laurentiu.tudor@nxp.com>2020-07-17 18:47:59 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-23 16:54:33 +0200
commit9a872def598195d2de4a4a74e17804142e2aa78e (patch)
tree101f0671ac49003467655ada35727a190052e332 /include/linux/fsl
parenta3b7a581823857fab4fae71be9d1c830af78a766 (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/linux/fsl')
-rw-r--r--include/linux/fsl/mc.h2
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() */
};
};