[PATCH V4 5/9] i2c: xiic: Add smbus_block_read functionality

[Wolfram Sang]

On Thu, Feb 02, 2023 at 03:11:34PM +0530, Manikanta Guntupalli wrote:
> From: Raviteja Narayanam <raviteja.narayanam at xilinx.com>
> 
> smbus_block_read is added to xiic driver to read from few sensors
> which support this command. Since the number of bytes to read is not
> known prior to transfer, xiic standard mode is being used for low level
> control of IP.
> 
> Signed-off-by: Raviteja Narayanam <raviteja.narayanam at xilinx.com>
> Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli at amd.com>
> Acked-by: Michal Simek <michal.simek at amd.com>

Applied to for-next, thanks!

> -	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
> +	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_BLOCK_DATA;

Note: Since you implemented I2C_M_RECV_LEN anyhow, you get the emulated
I2C_FUNC_SMBUS_BLOCK_PROC_CALL basically for free, so you could also use
I2C_FUNC_SMBUS_EMUL_ALL here.

If you'd like this, please send an incremental patch.

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