On Wed, Dec 19, 2018 at 10:39:05AM +0100, Geert Uytterhoeven wrote:
> Hi Wolfram,
>
> On Wed, Dec 19, 2018 at 12:34 AM Wolfram Sang wrote:
> > > > + unsigned int is_suspended:1;/* owned by the I2C core */
> > >
> > > When more stuff is added to this bit field (which always happens at
> > >
Hi Wolfram,
On Wed, Dec 19, 2018 at 12:34 AM Wolfram Sang wrote:
> > > + unsigned int is_suspended:1;/* owned by the I2C core */
> >
> > When more stuff is added to this bit field (which always happens at
> > some point) updates to all members of the bit field will have to use
> > the same
> > + unsigned int is_suspended:1;/* owned by the I2C core */
>
> When more stuff is added to this bit field (which always happens at
> some point) updates to all members of the bit field will have to use
> the same root-adapter-locking, or we will suffer from RMW-races. So
> this feels
On 2018-12-10 22:02, Wolfram Sang wrote:
> Some drivers open code handling of suspended adapters. It should be
> handled by the core, though, to ensure generic handling. This patch adds
> the flag and an accessor function.
>
> Signed-off-by: Wolfram Sang
> ---
> drivers/i2c/i2c-core-base.c | 1
Some drivers open code handling of suspended adapters. It should be
handled by the core, though, to ensure generic handling. This patch adds
the flag and an accessor function.
Signed-off-by: Wolfram Sang
---
drivers/i2c/i2c-core-base.c | 1 +
include/linux/i2c.h | 9 +
2 files
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