diff options
| author | Dominic Sacré <dominic.sacre@gmx.de> | 2015-07-20 23:00:26 +0200 |
|---|---|---|
| committer | Otavio Salvador <otavio@ossystems.com.br> | 2015-07-31 09:29:29 -0300 |
| commit | c2a6240c00c8635c6ac98d5cac30827ae91f5d02 (patch) | |
| tree | 4da3fb1fc6280679648fb42d4694f96631e56a50 /recipes-kernel/linux/linux-imx-rt_3.14.28.bb | |
| parent | 2865cc3a04fc01aecc9f75735a5f159bc97c5cac (diff) | |
| download | meta-fsl-arm-c2a6240c00c8635c6ac98d5cac30827ae91f5d02.tar.gz | |
linux-imx-rt: Add patch for imx-sdma CPU stall issue
Work around CPU stalls in the imx-sdma driver by replacing spinlocks
with raw spinlocks. This prevents preemption during the spinlock's
critical section, as is the case on non PREEMPT_RT kernels.
Signed-off-by: Dominic Sacré <dominic.sacre@gmx.de>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Diffstat (limited to 'recipes-kernel/linux/linux-imx-rt_3.14.28.bb')
| -rw-r--r-- | recipes-kernel/linux/linux-imx-rt_3.14.28.bb | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-imx-rt_3.14.28.bb b/recipes-kernel/linux/linux-imx-rt_3.14.28.bb index f5cb580..b9a8bf0 100644 --- a/recipes-kernel/linux/linux-imx-rt_3.14.28.bb +++ b/recipes-kernel/linux/linux-imx-rt_3.14.28.bb | |||
| @@ -23,6 +23,7 @@ SRC_URI += "\ | |||
| 23 | file://0001-fix-build.patch \ | 23 | file://0001-fix-build.patch \ |
| 24 | file://0002-fix-build-with-rt-enabled.patch \ | 24 | file://0002-fix-build-with-rt-enabled.patch \ |
| 25 | file://0003-no-split-ptlocks.patch \ | 25 | file://0003-no-split-ptlocks.patch \ |
| 26 | file://0004-imx-sdma-channel-use-raw-spinlock.patch \ | ||
| 26 | " | 27 | " |
| 27 | 28 | ||
| 28 | SRC_URI[rt-patch1.md5sum] = "28bfd1e14ccab1ea1fb48f56f982d80c" | 29 | SRC_URI[rt-patch1.md5sum] = "28bfd1e14ccab1ea1fb48f56f982d80c" |