static int __init nubus_get_board_resource()

in nubus.c [631:715]

• 77 lines of code
• 17 McCabe index (conditional complexity)

static int __init nubus_get_board_resource(struct nubus_board *board, int slot,
					   const struct nubus_dirent *parent)
{
	struct nubus_dir dir;
	struct nubus_dirent ent;

	pr_debug("  Board resource 0x%02x:\n", parent->type);
	nubus_get_subdir(parent, &dir);
	dir.procdir = nubus_proc_add_rsrc_dir(board->procdir, parent, board);

	while (nubus_readdir(&dir, &ent) != -1) {
		switch (ent.type) {
		case NUBUS_RESID_TYPE:
		{
			unsigned short nbtdata[4];
			/* This type is always the same, and is not
			   useful except insofar as it tells us that
			   we really are looking at a board resource. */
			nubus_get_rsrc_mem(nbtdata, &ent, 8);
			pr_debug("    type: [cat 0x%x type 0x%x sw 0x%x hw 0x%x]\n",
				nbtdata[0], nbtdata[1], nbtdata[2], nbtdata[3]);
			if (nbtdata[0] != 1 || nbtdata[1] != 0 ||
			    nbtdata[2] != 0 || nbtdata[3] != 0)
				pr_err("Slot %X: sResource is not a board resource!\n",
				       slot);
			nubus_proc_add_rsrc_mem(dir.procdir, &ent, 8);
			break;
		}
		case NUBUS_RESID_NAME:
		{
			unsigned int len;

			len = nubus_get_rsrc_str(board->name, &ent,
						 sizeof(board->name));
			pr_debug("    name: %s\n", board->name);
			nubus_proc_add_rsrc_mem(dir.procdir, &ent, len + 1);
			break;
		}
		case NUBUS_RESID_ICON:
			nubus_get_icon(board, dir.procdir, &ent);
			break;
		case NUBUS_RESID_BOARDID:
			pr_debug("    board id: 0x%x\n", ent.data);
			nubus_proc_add_rsrc(dir.procdir, &ent);
			break;
		case NUBUS_RESID_PRIMARYINIT:
			pr_debug("    primary init offset: 0x%06x\n", ent.data);
			nubus_proc_add_rsrc(dir.procdir, &ent);
			break;
		case NUBUS_RESID_VENDORINFO:
			nubus_get_vendorinfo(board, dir.procdir, &ent);
			break;
		case NUBUS_RESID_FLAGS:
			pr_debug("    flags: 0x%06x\n", ent.data);
			nubus_proc_add_rsrc(dir.procdir, &ent);
			break;
		case NUBUS_RESID_HWDEVID:
			pr_debug("    hwdevid: 0x%06x\n", ent.data);
			nubus_proc_add_rsrc(dir.procdir, &ent);
			break;
		case NUBUS_RESID_SECONDINIT:
			pr_debug("    secondary init offset: 0x%06x\n",
				 ent.data);
			nubus_proc_add_rsrc(dir.procdir, &ent);
			break;
			/* WTF isn't this in the functional resources? */
		case NUBUS_RESID_VIDNAMES:
			pr_debug("    vidnames directory offset: 0x%06x\n",
				ent.data);
			nubus_get_block_rsrc_dir(board, dir.procdir, &ent);
			break;
			/* Same goes for this */
		case NUBUS_RESID_VIDMODES:
			pr_debug("    video mode parameter directory offset: 0x%06x\n",
				ent.data);
			nubus_proc_add_rsrc(dir.procdir, &ent);
			break;
		default:
			pr_debug("    unknown resource 0x%02x, data 0x%06x\n",
				ent.type, ent.data);
			nubus_proc_add_rsrc_mem(dir.procdir, &ent, 0);
		}
	}
	return 0;
}