[U-Boot] [PATCH] drivers/i2c/fsl_i2c: modify i2c_read to handle multi-byte write

[Heiko Schocher]

Hello Shaveta Leekha,

Am 11.04.2014 10:41, schrieb Shaveta Leekha:
> Most of the I2C slaves support accesses in the typical style
> that is : read/write series of bytes at particular address offset.
> These transactions look like:"
> (1) START:Address:Tx:Offset:RESTART:Address[0..4]:Tx/Rx:data[0..n]:STOP"
>
> However there are certain devices which support accesses in
> terms of the transactions as follows:
> (2) "START:Address:Tx:Txdata[0..n1]:Clock_stretching:
>          RESTART:Address:Rx:data[0..n2]"
> Here Txdata is typically a command and some associated data,
> similarly Rxdata could be command status plus some data received
> as a response to the command sent.
>
> Type (1) transactions are currently supportd in the
> i2c driver using i2c_read and i2c_write APIs. I2C EEPROMs,
> RTC, etc fall in this category.
>
> To handle type (2) along with type (1) transactions,
> i2c_read() function has been modified.
>
> Signed-off-by: Shaveta Leekha<shaveta at freescale.com>
> Signed-off-by: Poonam Aggrwal<poonam.aggrwal at freescale.com>
> ---
>   drivers/i2c/fsl_i2c.c |   41 ++++++++++++++++++++++++++++++++++-------
>   1 files changed, 34 insertions(+), 7 deletions(-)

Hmm? Is this v2 of the following patch?:

[U-Boot] 2c: modify i2c_read API to handle multi-bytes writes
http://patchwork.ozlabs.org/patch/336911/

If so, please stick to the follow rules, for sending updated
patches:

http://www.denx.de/wiki/view/U-Boot/Patches#Sending_updated_patch_versions

Thanks!

bye,
Heiko
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