[U-Boot] [PATCH] i2c: mxs: Add I2C multibus support

[Heiko Schocher <hs@denx.de>]

Hello Fabio,

Am 23.09.2014 17:16, schrieb Fabio Estevam:
> Hi Marek,
>
> On Tue, Sep 23, 2014 at 8:15 AM, Marek Vasut<marex@denx.de>  wrote:
>
>> -void i2c_init(int speed, int slaveadd)
>> +int i2c_set_bus_num(unsigned int bus)
>>   {
>> +       uint32_t mxs_i2c_regs;
>> +
>> +       switch (bus) {
>> +       case 0:
>> +               mxs_i2c_regs = MXS_I2C0_BASE;
>> +               break;
>> +#ifdef CONFIG_MX28
>> +       case 1:
>> +               mxs_i2c_regs = MXS_I2C1_BASE;
>> +               break;
>> +#endif
>> +       default:
>> +               printf("Bad bus: %d\n", bus);
>
> Something like "Invalid I2C bus" would be a clearer error message here.

If Marek convert this driver to the CONFIG_SYS_I2C framework, he can
drop this function complete ...

bye,
Heiko
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