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i2c: add i2c deblock sequence before and after every mux config

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To make sure that the mux can be configured a deblocking sequence
is done before the mux configuration. After the mux switch the new leaf
of, the i2c tree must be again deblocked.

Signed-off-by: Stefan Bigler <stefan.bigler@keymile.com>
Acked-by: Heiko Schocher <hs@denx.de>
cc: Wolfgang Denk <wd@denx.de>
cc: Detlev Zundel <dzu@denx.de>
cc: Prafulla Wadaskar <prafulla@marvell.com>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
This commit is contained in:
Stefan Bigler
2011-04-08 16:24:08 +02:00
committed by Heiko Schocher
parent a000b7950d
commit c649dda537
2 changed files with 12 additions and 2 deletions
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2
include/i2c.h
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@ -108,9 +108,7 @@
* repeatedly to change the speed and slave addresses.
*/
void i2c_init(int speed, int slaveaddr);
#ifdef CONFIG_SYS_I2C_INIT_BOARD
void i2c_init_board(void);
#endif
#ifdef CONFIG_SYS_I2C_BOARD_LATE_INIT
void i2c_board_late_init(void);
#endif