Re: [PATCH AUTOSEL 5.12 42/43] powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P2041 i2c controllers

On Fri, Jun 04, 2021 at 12:58:54AM +, Chris Packham wrote: On 4/06/21 12:42 pm, Michael Ellerman wrote: Sasha Levin writes: From: Chris Packham [ Upstream commit 7adc7b225cddcfd0f346d10144fd7a3d3d9f9ea7 ] The i2c controllers on the P2040/P2041 have an erratum where the documented schem

Re: [PATCH AUTOSEL 5.12 42/43] powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P2041 i2c controllers

On 4/06/21 12:42 pm, Michael Ellerman wrote: > Sasha Levin writes: >> From: Chris Packham >> >> [ Upstream commit 7adc7b225cddcfd0f346d10144fd7a3d3d9f9ea7 ] >> >> The i2c controllers on the P2040/P2041 have an erratum where the >> documented scheme for i2c bus recovery will not work (A-004447).

Re: [PATCH AUTOSEL 5.12 42/43] powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P2041 i2c controllers

Sasha Levin writes: > From: Chris Packham > > [ Upstream commit 7adc7b225cddcfd0f346d10144fd7a3d3d9f9ea7 ] > > The i2c controllers on the P2040/P2041 have an erratum where the > documented scheme for i2c bus recovery will not work (A-004447). A > different mechanism is needed which is documented

[PATCH AUTOSEL 5.12 42/43] powerpc/fsl: set fsl, i2c-erratum-a004447 flag for P2041 i2c controllers

From: Chris Packham [ Upstream commit 7adc7b225cddcfd0f346d10144fd7a3d3d9f9ea7 ] The i2c controllers on the P2040/P2041 have an erratum where the documented scheme for i2c bus recovery will not work (A-004447). A different mechanism is needed which is documented in the P2040 Chip Errata Rev Q (l