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| author | Alexandre Courbot <acourbot@nvidia.com> | 2013-02-03 01:29:24 +0900 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2013-02-09 09:20:12 +0000 |
| commit | 1a989d0f1de8f5a150b35e1e8181cc1abc139162 (patch) | |
| tree | 5d1a3b1009d2ec1ee84abf3d2a120a46b4748f87 /samples/trace_events | |
| parent | 0fa2fd9a0d4f1305a54a396d44975894e90eed7b (diff) | |
| download | op-kernel-dev-1a989d0f1de8f5a150b35e1e8181cc1abc139162.zip op-kernel-dev-1a989d0f1de8f5a150b35e1e8181cc1abc139162.tar.gz | |
gpiolib: link all gpio_chips using a list
Add a list member to gpio_chip that allows all chips to be parsed
quickly. The current method requires parsing the entire GPIO integer
space, which is painfully slow. Using a list makes many chip operations
that involve lookup or parsing faster, and also simplifies the code. It
is also necessary to eventually get rid of the global gpio_desc[] array.
The list of gpio_chips is always ordered by base GPIO number to ensure
chips traversal is done in the right order.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'samples/trace_events')
0 files changed, 0 insertions, 0 deletions
