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linux-elphel
Commit 8511552a authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
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function to reset USB

parent 4511f63c
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Showing with 12 additions and 4 deletions
src/drivers/elphel/elphel393-init.c
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...@@ -195,16 +195,24 @@ static ssize_t set_boardinfo(struct device *dev, struct device_attribute *attr, ...@@ -195,16 +195,24 @@ static ssize_t set_boardinfo(struct device *dev, struct device_attribute *attr,
return count; return count;
} }
static DEVICE_ATTR(bootargs , SYSFS_PERMISSIONS & SYSFS_READONLY, get_bootargs , NULL); static ssize_t perform_usbreset(struct device *dev, struct device_attribute *attr, const char *buf, size_t count){
static DEVICE_ATTR(boardinfo , SYSFS_PERMISSIONS , get_boardinfo, set_boardinfo); pr_info("EMIO pin 49: USB reset\n");
static DEVICE_ATTR(revision , SYSFS_PERMISSIONS & SYSFS_READONLY, get_revision , NULL); setup_mio_pin_and_reset_usb();
static DEVICE_ATTR(serial , SYSFS_PERMISSIONS & SYSFS_READONLY, get_serial , NULL); return count;
}
static DEVICE_ATTR(bootargs , SYSFS_PERMISSIONS & SYSFS_READONLY, get_bootargs , NULL);
static DEVICE_ATTR(boardinfo , SYSFS_PERMISSIONS , get_boardinfo, set_boardinfo);
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(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
}; };
......
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