linux-kernel - Re: [PATCH v3 3/9] gpu: host1x: Add context device management code

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Date:   Sat, 19 Feb 2022 20:52:00 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Mikko Perttunen <mperttunen@...dia.com>, thierry.reding@...il.com,
        jonathanh@...dia.com, joro@...tes.org, will@...nel.org,
        robh+dt@...nel.org, robin.murphy@....com
Cc:     linux-tegra@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 3/9] gpu: host1x: Add context device management code

18.02.2022 14:39, Mikko Perttunen пишет:
> +	for (index = 0; index < cdl->len; index++) {
> +		struct iommu_fwspec *fwspec;
> +
> +		ctx = &cdl->devs[index];
> +
> +		ctx->host = host1x;
> +
> +		device_initialize(&ctx->dev);
> +
> +		ctx->dev.dma_mask = &context_device_dma_mask;
> +		ctx->dev.coherent_dma_mask = context_device_dma_mask;
> +		dev_set_name(&ctx->dev, "host1x-ctx.%d", index);
> +		ctx->dev.bus = &host1x_context_device_bus_type;

host1x_context_device_bus_type will be an undefined symbol if
CONFIG_TEGRA_HOST1X_CONTEXT_BUS=n? Please compile and test all combinations.