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authorMagnus Damm <damm@igel.co.jp>2008-12-25 04:17:09 -0500
committerPaul Mundt <lethal@linux-sh.org>2009-01-27 00:49:09 -0500
commit18801be7f805b891876a6676ec7fac2e1acdec13 (patch)
tree71b4366a89ac25980dc16bc1b33fbc6943f1155c /arch/avr32/configs
parent5376071069ec8a7e6a8112beab16fc24f5139475 (diff)
sh: make gpio_get/set_value() O(1)
This patch modifies the table based SuperH gpio implementation to make use of direct table lookups. With this change the functions gpio_get_value() and gpio_set_value() are O(1). Tested on Migo-R using bitbanging mmc. Performance is improved from 11 KBytes/s to 26 Kbytes/s. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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