[PATCH 1/3] i2c: uniphier: add UniPhier FIFO-less I2C driver
Masahiro Yamada
yamada.masahiro at socionext.com
Fri Oct 23 03:52:51 PDT 2015
Hi Wolfram,
Thanks for your review!
2015-10-23 5:59 GMT+09:00 Wolfram Sang <wsa at the-dreams.de>:
> On Thu, Jul 30, 2015 at 05:12:20PM +0900, Masahiro Yamada wrote:
>> Add support for on-chip I2C controller used on old UniPhier SoCs
>> such as PH1-LD4, PH1-sLD8, etc.. This adapter is so simple that
>> it has no FIFO in it.
>>
>> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
>
> Finally! Mostly looking good.
>
>> +static u32 uniphier_i2c_functionality(struct i2c_adapter *adap)
>> +{
>> + return I2C_FUNC_I2C;
>> +}
>
> No I2C_FUNC_SMBUS_EMUL? But check if SMBUS_QUICK is supported by your
> adapter.
Added in v2.
>> + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> + if (!regs) {
>> + dev_err(dev, "failed to get memory resource");
>> + return -EINVAL;
>> + }
>
> This 'if'-block can go. devm_ioremap_resource will check it for you.
>
Fixed in v2.
Thanks!
--
Best Regards
Masahiro Yamada
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