[PATCH] gpio: pca953x: add bus option to select the i2c bus.

[Simon Glass]

Hi Chris,

On Sat, 12 Dec 2020 at 11:51, Chris Packham <judge.packham at gmail.com> wrote:
>
>
>
> On Sun, 13 Dec 2020, 4:44 AM Simon Glass, <sjg at chromium.org> wrote:
>>
>> Hi Joseph,
>>
>> On Tue, 8 Dec 2020 at 00:32, Joseph Liu <maxdog988 at gmail.com> wrote:
>> >
>> > From: Joseph Liu <kwliu at nuvoton.com>
>> >
>> > If DM_I2C is used, the command "i2c dev" will not reassign
>> > gd->cur_i2c_bus.
>> >
>> > Add this bus option to change the active I2C bus.
>> >
>> > Signed-off-by: Joseph Liu <kwliu at nuvoton.com>
>> > ---
>> >  drivers/gpio/pca953x.c | 14 +++++++++++++-
>> >  1 file changed, 13 insertions(+), 1 deletion(-)
>> >
>>
>> This driver should be converted to driver model.
>
>
> It has been. See drivers/gpio/pca953x_gpio.c

I mean that it should use dm_i2c_read() instead of i2c_read(), so that
the problems of an 'active' i2c bus go away. Also it should use
devicetree.

Regards,
Simon