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Commit 05f0939f authored by Christophe Ricard's avatar Christophe Ricard Committed by Samuel Ortiz
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NFC: st21nfcb: disable irq when st21nfcb is disabled 



When st21nfcb is disabled, the irq line may remain active
while no data are available, flooding the system with
irrelevant i2c transaction.

Signed-off-by: default avatarChristophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 183fe2d0

drivers/nfc/st21nfcb/i2c.c

+4 −4
Original line number Diff line number Diff line
@@ -70,6 +70,9 @@ static int st21nfcb_nci_i2c_enable(void *phy_id) 
	gpio_set_value(phy->gpio_reset, 1);

	usleep_range(80000, 85000);



	if (phy->ndlc->powered == 0)

		enable_irq(phy->i2c_dev->irq);



	return 0;

}
@@ -77,10 +80,7 @@ static void st21nfcb_nci_i2c_disable(void *phy_id) 
{

	struct st21nfcb_i2c_phy *phy = phy_id;



	/* reset chip in order to flush clf */

	gpio_set_value(phy->gpio_reset, 0);

	usleep_range(10000, 15000);

	gpio_set_value(phy->gpio_reset, 1);

	disable_irq_nosync(phy->i2c_dev->irq);

}



/*