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SubjectRE: [PATCH 2/2] spi: tegra210-quad: add acpi support
Date
> -----Original Message-----
> From: Mark Brown <broonie@kernel.org>
> Sent: 25 November 2021 18:29
> To: Krishna Yarlagadda <kyarlagadda@nvidia.com>
> Cc: Laxman Dewangan <ldewangan@nvidia.com>; Thierry Reding
> <thierry.reding@gmail.com>; Jonathan Hunter <jonathanh@nvidia.com>;
> Sowjanya Komatineni <skomatineni@nvidia.com>; Philipp Zabel
> <p.zabel@pengutronix.de>; linux-tegra@vger.kernel.org; linux-
> spi@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH 2/2] spi: tegra210-quad: add acpi support
>
> On Thu, Nov 25, 2021 at 03:25:52PM +0530, Krishna Yarlagadda wrote:
>
> > +#ifdef CONFIG_ACPI
> > + if (ACPI_FAILURE(acpi_evaluate_object(ACPI_HANDLE(tqspi->dev),
> > + "_RST", NULL, NULL)))
> > + dev_err(tqspi->dev, "failed to reset device\n"); #endif
>
> What happens when this runs on a DT system?
For a DT system reset handle would be present and this code will not run
-KY

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