On 2015/12/17 19:52, Tomasz Nowicki wrote:
> +++ b/include/linux/iort.h
> @@ -0,0 +1,38 @@
> +/*
> + * Copyright (C) 2015, Linaro Ltd.
> + * Author: Tomasz Nowicki <tomasz.nowicki@xxxxxxxxxx>
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
> + * more details.
> + *
> + * You should have received a copy of the GNU General Public License along with
> + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
> + * Place - Suite 330, Boston, MA 02111-1307 USA.
> + */
> +
> +#ifndef __IORT_H__
> +#define __IORT_H__
> +
> +#include <linux/acpi.h>
> +
> +#ifdef CONFIG_ACPI
I think we need use CONFIG_IORT_TABLE here, or the code will be compiled
error on no-ARM64 platform, and it will lead to undefined function, just as
the kbuild test robot pointed out:
All errors (new ones prefixed by >>):
drivers/built-in.o: In function `pci_msi_domain_get_msi_rid':
>> (.text+0x3175d): undefined reference to `iort_find_pci_id'
Thanks
Hanjun
> +
> +struct fwnode_handle;
> +
> +int iort_register_domain_token(int trans_id, struct fwnode_handle *fw_node);
> +struct fwnode_handle *iort_find_its_domain_token(int trans_id);
> +struct fwnode_handle *iort_find_pci_domain_token(struct device *dev);
> +int iort_find_pci_id(struct pci_dev *pdev, u32 req_id, u32 *dev_id);
> +#else /* CONFIG_ACPI */
> +static inline int
> +iort_find_pci_id(struct pci_dev *pdev, u32 req_id, u32 *dev_id)
> +{ return -ENXIO; }
> +#endif /* CONFIG_ACPI */
> +
> +#endif /* __IORT_H__ */
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