Re: [PATCH v1] mfd: tps6586x: Move interrupt handling into workqueue

From: Thierry Reding
Date: Mon May 14 2018 - 07:51:47 EST


On Mon, May 14, 2018 at 12:18:42AM +0300, Dmitry Osipenko wrote:
> Reading of status register within the interrupt handler fails with -EAGAIN
> if I2C is busy with handling some other request at the same time. Move the
> actual interrupt handling into a workqueue to avoid the unfortunate I2C
> failure and to avoid hanging CPU in interrupt up to 1 second (transfer
> timeout in the Tegra I2C driver).
>
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> ---
> drivers/mfd/tps6586x.c | 40 +++++++++++++++++++++++++++++-----------
> 1 file changed, 29 insertions(+), 11 deletions(-)

Could this not be achieved with a threaded interrupt handler?

Thierry

Attachment: signature.asc
Description: PGP signature