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Commit 436a3cfd authored by Zubair Lutfullah Kakakhel's avatar Zubair Lutfullah Kakakhel Committed by Ulf Hansson
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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: default avatarZubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
[Ezequiel: cleanup commit description]
Tested-by: default avatarMathieu Malaterre <malat@debian.org>
Signed-off-by: default avatarEzequiel Garcia <ezequiel@collabora.co.uk>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 39e9ef1d

drivers/mmc/host/jz4740_mmc.c

+2 −1
Original line number Diff line number Diff line
@@ -1027,6 +1027,8 @@ static int jz4740_mmc_probe(struct platform_device* pdev) 
	spin_lock_init(&host->lock);

	host->irq_mask = 0xffff;



	jz4740_mmc_reset(host);



	ret = request_threaded_irq(host->irq, jz_mmc_irq, jz_mmc_irq_worker, 0,

			dev_name(&pdev->dev), host);

	if (ret) {
@@ -1034,7 +1036,6 @@ static int jz4740_mmc_probe(struct platform_device* pdev) 
		goto err_free_gpios;

	}



	jz4740_mmc_reset(host);

	jz4740_mmc_clock_disable(host);

	timer_setup(&host->timeout_timer, jz4740_mmc_timeout, 0);