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i2c-i801: Refactor use of LAST_BYTE in i801_block_transaction_byte_by_byte
authorDaniel Kurtz <djkurtz@chromium.org>
Tue, 24 Jul 2012 12:13:57 +0000 (14:13 +0200)
committerJean Delvare <khali@endymion.delvare>
Tue, 24 Jul 2012 12:13:57 +0000 (14:13 +0200)
commitefa3cb15ad8ba40bd08b05df87ef0ca6680ef762
treeaffbc114b7f751f8308a834b39b8d34972191ac1tree | snapshot (tar.gz zip)
parentfda2f4af37ccc80d655a5b4538288d461539b574commit | diff
i2c-i801: Refactor use of LAST_BYTE in i801_block_transaction_byte_by_byte

As a slight optimization, pull some logic out of the polling loop during
byte-by-byte transactions by just setting the I801_LAST_BYTE bit, as
defined in the i801 (PCH) datasheet, when reading the last byte of a
byte-by-byte I2C_SMBUS_READ.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
drivers/i2c/busses/i2c-i801.c diff | blob | blame | history
Motorola kernel-slsi