Commit 8511552a authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
Browse files

function to reset USB

parent 4511f63c

src/drivers/elphel/elphel393-init.c

+12 −4
Original line number Original line Diff line number Diff line
@@ -195,16 +195,24 @@ static ssize_t set_boardinfo(struct device *dev, struct device_attribute *attr, 
    return count;

    return count;

}

}





static ssize_t perform_usbreset(struct device *dev, struct device_attribute *attr, const char *buf, size_t count){

	pr_info("EMIO pin 49: USB reset\n");

	setup_mio_pin_and_reset_usb();

	return count;

}



static DEVICE_ATTR(bootargs  ,  SYSFS_PERMISSIONS & SYSFS_READONLY,  get_bootargs ,   NULL);

static DEVICE_ATTR(bootargs  ,  SYSFS_PERMISSIONS & SYSFS_READONLY,  get_bootargs ,   NULL);

static DEVICE_ATTR(boardinfo ,  SYSFS_PERMISSIONS                 ,  get_boardinfo,   set_boardinfo);

static DEVICE_ATTR(boardinfo ,  SYSFS_PERMISSIONS                 ,  get_boardinfo,   set_boardinfo);

static DEVICE_ATTR(revision  ,  SYSFS_PERMISSIONS & SYSFS_READONLY,  get_revision ,   NULL);

static DEVICE_ATTR(revision  ,  SYSFS_PERMISSIONS & SYSFS_READONLY,  get_revision ,   NULL);

static DEVICE_ATTR(serial    ,  SYSFS_PERMISSIONS & SYSFS_READONLY,    get_serial ,   NULL);

static DEVICE_ATTR(serial    ,  SYSFS_PERMISSIONS & SYSFS_READONLY,    get_serial ,   NULL);

static DEVICE_ATTR(usbreset  ,  SYSFS_PERMISSIONS                 ,           NULL,   perform_usbreset);





static struct attribute *root_dev_attrs[] = {

static struct attribute *root_dev_attrs[] = {

        &dev_attr_bootargs.attr,

        &dev_attr_bootargs.attr,

        &dev_attr_boardinfo.attr,

        &dev_attr_boardinfo.attr,

        &dev_attr_revision.attr,

        &dev_attr_revision.attr,

        &dev_attr_serial.attr,

        &dev_attr_serial.attr,

		&dev_attr_usbreset.attr,

        NULL

        NULL

};

};