[PATCH v5 1/1] i2c: mediatek: add runtime PM operations and bus regulator control

Andi Shyti andi.shyti at kernel.org
Thu Mar 20 17:34:02 PDT 2025


Hi Daniel,

On Thu, Mar 20, 2025 at 10:08:42PM +0000, Daniel Golle wrote:
> On Wed, Mar 19, 2025 at 12:34:53AM +0100, Andi Shyti wrote:
> > On Fri, Mar 14, 2025 at 10:53:43PM +0800, Zoie Lin wrote:
> > > Introduce support for runtime PM operations in
> > > the I2C driver, enabling runtime suspend and resume functionality.
> > > 
> > > Although in most platforms, the bus power of i2c is always
> > > on, some platforms disable the i2c bus power in order to meet
> > > low power request.
> > > 
> > > This implementation includes bus regulator control to facilitate
> > > proper handling of the bus power based on platform requirements.
> > > 
> > > Signed-off-by: Zoie Lin <zoie.lin at mediatek.com>
> > 
> > merged to i2c/i2c-host.
> 
> the change causes a crash during boot on MT7988 which typically uses
> one of its I2C busses to connect a Richtek RT5190A PMIC.

Thanks a lot for testing it. I removed the commit.

Andi



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