Commit ea8d82fd authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Len Brown
Browse files

ACPI: use acpi_device_hid() when possible 



Use acpi_device_hid() rather than accessing acpi_device.pnp.hardware_id
directly.

Signed-off-by: default avatarBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 78b8e141

drivers/acpi/scan.c

+3 −3
Original line number Diff line number Diff line
@@ -185,7 +185,7 @@ static ssize_t 
acpi_device_hid_show(struct device *dev, struct device_attribute *attr, char *buf) {

	struct acpi_device *acpi_dev = to_acpi_device(dev);



	return sprintf(buf, "%s\n", acpi_dev->pnp.hardware_id);

	return sprintf(buf, "%s\n", acpi_device_hid(acpi_dev));

}

static DEVICE_ATTR(hid, 0444, acpi_device_hid_show, NULL);
@@ -501,7 +501,7 @@ static int acpi_device_register(struct acpi_device *device) 
	 * If failed, create one and link it into acpi_bus_id_list

	 */

	list_for_each_entry(acpi_device_bus_id, &acpi_bus_id_list, node) {

		if(!strcmp(acpi_device_bus_id->bus_id, device->flags.hardware_id? device->pnp.hardware_id : "device")) {

		if (!strcmp(acpi_device_bus_id->bus_id, device->flags.hardware_id ? acpi_device_hid(device) : "device")) {

			acpi_device_bus_id->instance_no ++;

			found = 1;

			kfree(new_bus_id);
@@ -510,7 +510,7 @@ static int acpi_device_register(struct acpi_device *device) 
	}

	if (!found) {

		acpi_device_bus_id = new_bus_id;

		strcpy(acpi_device_bus_id->bus_id, device->flags.hardware_id ? device->pnp.hardware_id : "device");

		strcpy(acpi_device_bus_id->bus_id, device->flags.hardware_id ? acpi_device_hid(device) : "device");

		acpi_device_bus_id->instance_no = 0;

		list_add_tail(&acpi_device_bus_id->node, &acpi_bus_id_list);

	}

drivers/pnp/pnpacpi/core.c

+1 −1
Original line number Diff line number Diff line
@@ -234,7 +234,7 @@ static int __init acpi_pnp_match(struct device *dev, void *_pnp) 
	/* true means it matched */

	return acpi->flags.hardware_id

	    && !acpi_get_physical_device(acpi->handle)

	    && compare_pnp_id(pnp->id, acpi->pnp.hardware_id);

	    && compare_pnp_id(pnp->id, acpi_device_hid(acpi));

}



static int __init acpi_pnp_find_device(struct device *dev, acpi_handle * handle)