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| author | Arnaud Pouliquen | 2019-05-22 10:25:35 +0200 |
|---|---|---|
| committer | Jassi Brar | 2019-07-11 06:08:43 +0200 |
| commit | dba9a3dfe912dc47c9dbc9ba1f5f65adbf9aea0f (patch) | |
| tree | dd43246a01c8a1e99cf2b4c569634574dd4999dc /lib/test-string_helpers.c | |
| parent | Linux 5.2-rc7 (diff) | |
| download | kernel-qcow2-linux-dba9a3dfe912dc47c9dbc9ba1f5f65adbf9aea0f.tar.gz kernel-qcow2-linux-dba9a3dfe912dc47c9dbc9ba1f5f65adbf9aea0f.tar.xz kernel-qcow2-linux-dba9a3dfe912dc47c9dbc9ba1f5f65adbf9aea0f.zip | |
mailbox: stm32_ipcc: add spinlock to fix channels concurrent access
Add spinlock protection on IPCC register update to avoid race condition.
Without this fix, stm32_ipcc_set_bits and stm32_ipcc_clr_bits can be
called in parallel for different channels. This results in register
corruptions.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Reviewed-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Diffstat (limited to 'lib/test-string_helpers.c')
0 files changed, 0 insertions, 0 deletions