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memory: tegra: Make IRQ support opitonal

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Make IRQ support optional to help unify the Tegra186 memory controller
driver with this one.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-9-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
This commit is contained in:
Thierry Reding 2021-06-02 18:32:58 +02:00 committed by Krzysztof Kozlowski
parent 1079a66bc3
commit e474b3a15d
1 changed files with 13 additions and 11 deletions
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24
drivers/memory/tegra/mc.c
View file

@ -750,20 +750,22 @@ static int tegra_mc_probe(struct platform_device *pdev)
return err;
}
mc->irq = platform_get_irq(pdev, 0);
if (mc->irq < 0)
return mc->irq;
if (mc->soc->ops && mc->soc->ops->handle_irq) {
mc->irq = platform_get_irq(pdev, 0);
if (mc->irq < 0)
return mc->irq;
WARN(!mc->soc->client_id_mask, "missing client ID mask for this SoC\n");
WARN(!mc->soc->client_id_mask, "missing client ID mask for this SoC\n");
mc_writel(mc, mc->soc->intmask, MC_INTMASK);
mc_writel(mc, mc->soc->intmask, MC_INTMASK);
err = devm_request_irq(&pdev->dev, mc->irq, mc->soc->ops->handle_irq, 0,
dev_name(&pdev->dev), mc);
if (err < 0) {
dev_err(&pdev->dev, "failed to request IRQ#%u: %d\n", mc->irq,
err);
return err;
err = devm_request_irq(&pdev->dev, mc->irq, mc->soc->ops->handle_irq, 0,
dev_name(&pdev->dev), mc);
if (err < 0) {
dev_err(&pdev->dev, "failed to request IRQ#%u: %d\n", mc->irq,
err);
return err;
}
}
err = tegra_mc_reset_setup(mc);