diff options
author | Geert Uytterhoeven <geert+renesas@glider.be> | 2019-03-29 09:42:29 +0100 |
---|---|---|
committer | Linus Walleij <linus.walleij@linaro.org> | 2019-04-08 13:03:26 +0200 |
commit | a71a81e7975843504170e69fe52605478f3c8e04 (patch) | |
tree | 022e8ffc9b19c00d50cc766f46c487d8dad466d0 /drivers/gpio/gpio-pca953x.c | |
parent | 26af34079f1d8299932303cfd2b376b9cf55a35c (diff) | |
download | lwn-a71a81e7975843504170e69fe52605478f3c8e04.tar.gz lwn-a71a81e7975843504170e69fe52605478f3c8e04.zip |
gpio: of: Optimize quirk checks
Simple string comparisons are cheaper than DT lookups, as the latter
involve taking a spinlock and traversing properties.
Hence optimize quirk checks by postponing DT lookups after string
comparisons.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-pca953x.c')
0 files changed, 0 insertions, 0 deletions