| commit | 1ab3bb9df5e35183fee8da2b3fb30feda9a53ce9 | [log] [tgz] |
|---|---|---|
| author | Suzuki K Poulose <suzuki.poulose@arm.com> | Mon Feb 01 11:13:43 2021 -0700 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Thu Feb 04 17:00:34 2021 +0100 |
| tree | d1193b15fa25ab779f3c61b1f71db16db93f7131 | |
| parent | 4211bfce1eb9962f2ae1972837c032ad6d48f292 [diff] |
coresight: etm4x: Add necessary synchronization for sysreg access As per the specification any update to the TRCPRGCTLR must be synchronized by a context synchronization event (in our case an explicist ISB) before the TRCSTATR is checked. Link: https://lore.kernel.org/r/20210110224850.1880240-22-suzuki.poulose@arm.com Cc: Mike Leach <mike.leach@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/20210201181351.1475223-24-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>