parisc/kernel/drivers.c

304  * get_node_path fills in @path with the firmware path to the device.
310 static void get_node_path(struct device *dev, struct hardware_path *path)
313 	memset(&path->bc, -1, 6);
317 		path->mod = PCI_FUNC(devfn);
318 		path->bc[i--] = PCI_SLOT(devfn);
325 			path->bc[i--] = PCI_SLOT(devfn) | (PCI_FUNC(devfn)<< 5);
327 			path->bc[i--] = to_parisc_device(dev)->hw_path;
333 static char *print_hwpath(struct hardware_path *path, char *output)
337 		if (path->bc[i] == -1)
339 		output += sprintf(output, "%u/", (unsigned char) path->bc[i]);
341 	output += sprintf(output, "%u", (unsigned char) path->mod);
346  * print_pa_hwpath - Returns hardware path for PA devices
347  * @dev: The device to return the path for
348  * @output: Pointer to a previously-allocated array to place the path in.
350  * This function fills in the output array with a human-readable path
356 	struct hardware_path path;
358 	get_node_path(dev->dev.parent, &path);
359 	path.mod = dev->hw_path;
360 	return print_hwpath(&path, output);
366  * get_pci_node_path - Determines the hardware path for a PCI device
367  * @pdev: The device to return the path for
368  * @path: Pointer to a previously-allocated array to place the path in.
374 void get_pci_node_path(struct pci_dev *pdev, struct hardware_path *path)
376 	get_node_path(&pdev->dev, path);
381  * print_pci_hwpath - Returns hardware path for PCI devices
382  * @dev: The device to return the path for
383  * @output: Pointer to a previously-allocated array to place the path in.
385  * This function fills in the output array with a human-readable path
391 	struct hardware_path path;
393 	get_pci_node_path(dev, &path);
394 	return print_hwpath(&path, output);
402 	struct hardware_path path;
407 	get_node_path(padev->dev.parent, &path);
410 		if (path.bc[i] == -1)
412 		output += sprintf(output, "%u:", (unsigned char) path.bc[i]);
465  * @id: the element of the module path for this entry
513 		pr_err("Two devices have hardware path [%s].  IODC data for second device: %7phN\n"
649  * match_pci_device - Matches a pci device against a given hardware path
653  * @modpath: the hardware path.
654  * @return: true if the device matches the hardware path.
663 		/* we are at the end of the path, and on the actual device */
679  * path entry.
682  * @modpath: the hardware path.
683  * @return: true if the device matches the hardware path.
751  * hwpath_to_device - Finds the generic device corresponding to a given hardware path.
752  * @modpath: the hardware path.
776  * @path: pointer to a previously allocated hwpath struct to be filled in
778 void device_to_hwpath(struct device *dev, struct hardware_path *path)
783 		get_node_path(dev->parent, path);
784 		path->mod = padev->hw_path;
786 		get_node_path(dev, path);
848 	struct hardware_path path;
850 	get_node_path(parent, &path);
858 				path.mod = i;
859 				dev = alloc_pa_dev(hpa, &path);
1031 	pr_cont("\t.path = { ");
1032 	pr_cont(".flags = 0x%x, ", mod_path.path.flags);
1034 		(unsigned char)mod_path.path.bc[0],
1035 		(unsigned char)mod_path.path.bc[1],
1036 		(unsigned char)mod_path.path.bc[2],
1037 		(unsigned char)mod_path.path.bc[3],
1038 		(unsigned char)mod_path.path.bc[4],
1039 		(unsigned char)mod_path.path.bc[5]);
1040 	pr_cont(".mod = 0x%x ", mod_path.path.mod);