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Commit 770f0baa authored by Jean-Christophe PLAGNIOL-VILLARD's avatar Jean-Christophe PLAGNIOL-VILLARD Committed by Greg Kroah-Hartman
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USB: at91: at91-ohci: fix set/get power 



in commit aa6e52a3 we introduce the support of overcurrent notification
but the set and get of the power without checking if the gpio is valid or not

Signed-off-by: default avatarJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 5dc2470c

drivers/usb/host/ohci-at91.c

+6 −0
Original line number Diff line number Diff line
@@ -223,6 +223,9 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int 
	if (port < 0 || port >= 2)

		return;



	if (pdata->vbus_pin[port] <= 0)

		return;



	gpio_set_value(pdata->vbus_pin[port], !pdata->vbus_pin_inverted ^ enable);

}
@@ -231,6 +234,9 @@ static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port) 
	if (port < 0 || port >= 2)

		return -EINVAL;



	if (pdata->vbus_pin[port] <= 0)

		return -EINVAL;



	return gpio_get_value(pdata->vbus_pin[port]) ^ !pdata->vbus_pin_inverted;

}