Re: [PATCH 01/15] ARM: tegra: Correct interrupt type for ARM TWD

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Mar 17, 2016 at 02:19:05PM +0000, Jon Hunter wrote:
> The ARM TWD interrupt is a private peripheral interrupt (PPI) and per
> the ARM GIC documentation, whether the type for PPIs can be set is
> IMPLEMENTATION DEFINED. For Tegra20/30 devices the PPI type cannot be
> set and so when we attempt to set the type for the ARM TWD interrupt it
> fails. This has done unnoticed because it fails silently and because we
> cannot re-configure the type it has had no impact. Nevertheless fix the
> type for the TWD interrupt so that it matches the hardware configuration.
> 
> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> 
> ---
> Ideally, we would not be attempting to set the type for an interrupt
> where it cannot be programmed but this would require changes to the
> device-tree bindings for the GIC. This series adds a WARNING to catch
> any of these silent failures.
> ---
>  arch/arm/boot/dts/tegra20.dtsi | 2 +-
>  arch/arm/boot/dts/tegra30.dtsi | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)

Applied, thanks.

Thierry

Attachment: signature.asc
Description: PGP signature


[Index of Archives]     [ARM Kernel]     [Linux ARM]     [Linux ARM MSM]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux