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| /rk3399_rockchip-uboot/drivers/i2c/ |
| H A D | mxs_i2c.c | 1e2fc0d19bac9bf4f62d259169e902e700a18bad Fri Nov 30 18:17:06 UTC 2012 Marek Vasut <marex@denx.de> mxs: i2c: Restore speed setting after block reset
The I2C block reset configures the I2C bus speed to strange value.
Read the I2C speed from the block before reseting the block and
restore it afterwards, so the I2C operates correctly. This issue
can be replicated by doing unsuccessful I2C transfer, after such
transfer finishes, the I2C block clock speed is misconfigured.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
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