linux-kernel - Re: [PATCH v7 2/4] mmc: sdhci-tegra: Add support to program MC stream ID

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Date:   Tue, 11 Oct 2022 14:33:30 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Prathamesh Shete <pshete@...dia.com>
Cc:     "adrian.hunter@...el.com" <adrian.hunter@...el.com>,
        "thierry.reding@...il.com" <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Aniruddha Tvs Rao <anrao@...dia.com>,
        Suresh Mangipudi <smangipudi@...dia.com>,
        Krishna Yarlagadda <kyarlagadda@...dia.com>
Subject: Re: [PATCH v7 2/4] mmc: sdhci-tegra: Add support to program MC stream ID

On Tue, 11 Oct 2022 at 13:44, Prathamesh Shete <pshete@...dia.com> wrote:
>
> Hi Ulf
>
> The initial patches were without the #ifdef. #ifdef is being added as per review comments and kernel robot errors.
> Following error was detected by kernel robot
> >>
> All errors (new ones prefixed by >>):
>
>    drivers/mmc/host/sdhci-tegra.c: In function 'sdhci_tegra_probe':
> >> drivers/mmc/host/sdhci-tegra.c:1794:54: error: 'struct iommu_fwspec' has no member named 'ids'
>     1794 |                         tegra_host->streamid = fwspec->ids[0] & 0xffff;
>          |                                                      ^~
>
>
> vim +1794 drivers/mmc/host/sdhci-tegra.c
> >>
> Adrian also pointed out this issue so to address these issues #ifdef was added

I see!

In that case, perhaps we can add a "depends on IOMMU_API" in the
Kconfig instead? Or is the tegra driver used on platforms where
IOMMU_API could be unset?

[...]

Kind regards
Uffe