Re: [PATCH v2 0/2] spi, i2c: mark device nodes only in case of successful instantiation

[Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>]

Hi Ralf,

> On Oct 17, 2016, at 16:59 , Ralf Ramsauer <ralf@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> 
> Hi,
> 
> this one fixes initialisation of I2C/SPI nodes.  Upon failure during
> intialisation, nodes were erroneously populated and never unmarked.
> 
> This lead to the problem that re-loaded drivers will never probe those devices
> again and can easily be fixed by clearing the OF_POPULATE flag when the node
> doesn't successfully initialise.
> 
> For the discussion of v1, see
> https://lkml.org/lkml/2016/10/14/483
> 
>  Ralf
> 
> changes since v1:
>  - also fix I2C core driver
>  - keep the atomic test-and-set, as Geert suggested
> 
> Ralf Ramsauer (2):
>  spi: mark device nodes only in case of successful instantiation
>  i2c: mark device nodes only in case of successful instantiation
> 
> drivers/i2c/i2c-core.c | 11 ++++++++++-
> drivers/spi/spi.c      |  5 ++++-
> 2 files changed, 14 insertions(+), 2 deletions(-)
> 
> -- 
> 2.10.1
> 

Thanks for catching this.

Acked-by: Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>


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