Re: [PATCH] i2c: davinci: Add block read functionality for IPMI

From: Sekhar Nori
Date: Thu May 22 2014 - 06:51:41 EST


On Friday 02 May 2014 12:19 AM, Murali Karicheri wrote:
> Intelligent Plaform Management Interface (IPMI) requires I2C driver
> to support block read, where the first byte received from slave is
> the length of following data:-
> Added length check if the read type is block read (I2C_M_RECV_LEN)
> Send NACK/STOP bits before last byte is received
>
> Signed-off-by: Garrett Ding <g-ding@xxxxxx>
> Signed-off-by: Murali Karicheri <m-karicheri2@xxxxxx>

I tested this on a DA850 using i2cdetect and it did not seem to break
anything so:

Tested-by: Sekhar Nori <nsekhar@xxxxxx>

There are some checks that were triggered in checkpatch. You may want
to fix them up.

Thanks,
Sekhar

CHECK: Alignment should match open parenthesis
#112: FILE: drivers/i2c/busses/i2c-davinci.c:557:
+ w = davinci_i2c_read_reg(dev,
+ DAVINCI_I2C_MDR_REG);

CHECK: Alignment should match open parenthesis
#115: FILE: drivers/i2c/busses/i2c-davinci.c:560:
+ davinci_i2c_write_reg(dev,
+ DAVINCI_I2C_MDR_REG, w);

CHECK: Alignment should match open parenthesis
#119: FILE: drivers/i2c/busses/i2c-davinci.c:564:
+ davinci_i2c_write_reg(dev,
+ DAVINCI_I2C_MDR_REG, w);

total: 0 errors, 0 warnings, 3 checks, 67 lines checked

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/