diff options
| author | Russell King <[email protected]> | 2014-08-28 13:08:14 +0100 |
|---|---|---|
| committer | Russell King <[email protected]> | 2014-09-26 14:39:54 +0100 |
| commit | 195b58add463f697fb802ed55e26759094d40a54 (patch) | |
| tree | d3523c21a3bb610a87672356770a83c1e3c0ca8d /include/linux/fpga/fpga-mgr.h | |
| parent | 8b521cb2947d8811b4cf7fc6a7a6ebde35218243 (diff) | |
ARM: Avoid writing to control register on every exception
If we are not changing the control register value, avoid writing to it.
Writes to the control register can be very expensive, taking around a
hundred cycles or so.
Signed-off-by: Russell King <[email protected]>
Diffstat (limited to 'include/linux/fpga/fpga-mgr.h')
0 files changed, 0 insertions, 0 deletions