forked from Minki/linux
mmc: jz4740: Reset the device requesting the interrupt
In case a bootloader leaves the device in a bad state, requesting the interrupt before resetting results in a bad interrupt loop. Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> [Ezequiel: cleanup commit description] Tested-by: Mathieu Malaterre <malat@debian.org> Signed-off-by: Ezequiel Garcia <ezequiel@collabora.co.uk> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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@ -1027,6 +1027,8 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
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spin_lock_init(&host->lock);
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host->irq_mask = 0xffff;
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jz4740_mmc_reset(host);
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ret = request_threaded_irq(host->irq, jz_mmc_irq, jz_mmc_irq_worker, 0,
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dev_name(&pdev->dev), host);
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if (ret) {
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@ -1034,7 +1036,6 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
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goto err_free_gpios;
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}
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jz4740_mmc_reset(host);
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jz4740_mmc_clock_disable(host);
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timer_setup(&host->timeout_timer, jz4740_mmc_timeout, 0);
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