diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/fsl_devices.h | 3 | ||||
-rw-r--r-- | include/linux/io-mapping.h | 125 | ||||
-rw-r--r-- | include/linux/libata.h | 1 | ||||
-rw-r--r-- | include/linux/netdevice.h | 1 | ||||
-rw-r--r-- | include/linux/string.h | 2 |
5 files changed, 129 insertions, 3 deletions
diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h index 4e625e0094c..708bab58d8d 100644 --- a/include/linux/fsl_devices.h +++ b/include/linux/fsl_devices.h @@ -49,7 +49,8 @@ struct gianfar_platform_data { u32 device_flags; /* board specific information */ u32 board_flags; - char bus_id[MII_BUS_ID_SIZE]; + int mdio_bus; /* Bus controlled by us */ + char bus_id[MII_BUS_ID_SIZE]; /* Bus PHY is on */ u32 phy_id; u8 mac_addr[6]; phy_interface_t interface; diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h new file mode 100644 index 00000000000..82df31726a5 --- /dev/null +++ b/include/linux/io-mapping.h @@ -0,0 +1,125 @@ +/* + * Copyright © 2008 Keith Packard <keithp@keithp.com> + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef _LINUX_IO_MAPPING_H +#define _LINUX_IO_MAPPING_H + +#include <linux/types.h> +#include <asm/io.h> +#include <asm/page.h> +#include <asm/iomap.h> + +/* + * The io_mapping mechanism provides an abstraction for mapping + * individual pages from an io device to the CPU in an efficient fashion. + * + * See Documentation/io_mapping.txt + */ + +/* this struct isn't actually defined anywhere */ +struct io_mapping; + +#ifdef CONFIG_HAVE_ATOMIC_IOMAP + +/* + * For small address space machines, mapping large objects + * into the kernel virtual space isn't practical. Where + * available, use fixmap support to dynamically map pages + * of the object at run time. + */ + +static inline struct io_mapping * +io_mapping_create_wc(unsigned long base, unsigned long size) +{ + return (struct io_mapping *) base; +} + +static inline void +io_mapping_free(struct io_mapping *mapping) +{ +} + +/* Atomic map/unmap */ +static inline void * +io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset) +{ + offset += (unsigned long) mapping; + return iomap_atomic_prot_pfn(offset >> PAGE_SHIFT, KM_USER0, + __pgprot(__PAGE_KERNEL_WC)); +} + +static inline void +io_mapping_unmap_atomic(void *vaddr) +{ + iounmap_atomic(vaddr, KM_USER0); +} + +static inline void * +io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset) +{ + offset += (unsigned long) mapping; + return ioremap_wc(offset, PAGE_SIZE); +} + +static inline void +io_mapping_unmap(void *vaddr) +{ + iounmap(vaddr); +} + +#else + +/* Create the io_mapping object*/ +static inline struct io_mapping * +io_mapping_create_wc(unsigned long base, unsigned long size) +{ + return (struct io_mapping *) ioremap_wc(base, size); +} + +static inline void +io_mapping_free(struct io_mapping *mapping) +{ + iounmap(mapping); +} + +/* Atomic map/unmap */ +static inline void * +io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset) +{ + return ((char *) mapping) + offset; +} + +static inline void +io_mapping_unmap_atomic(void *vaddr) +{ +} + +/* Non-atomic map/unmap */ +static inline void * +io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset) +{ + return ((char *) mapping) + offset; +} + +static inline void +io_mapping_unmap(void *vaddr) +{ +} + +#endif /* HAVE_ATOMIC_IOMAP */ + +#endif /* _LINUX_IO_MAPPING_H */ diff --git a/include/linux/libata.h b/include/linux/libata.h index 507f53ef803..f5441edee55 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -372,6 +372,7 @@ enum { ATA_HORKAGE_IPM = (1 << 7), /* Link PM problems */ ATA_HORKAGE_IVB = (1 << 8), /* cbl det validity bit bugs */ ATA_HORKAGE_STUCK_ERR = (1 << 9), /* stuck ERR on next PACKET */ + ATA_HORKAGE_BRIDGE_OK = (1 << 10), /* no bridge limits */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index c8bcb59adfd..9d77b1d7dca 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1537,7 +1537,6 @@ static inline void __netif_tx_unlock_bh(struct netdev_queue *txq) /** * netif_tx_lock - grab network device transmit lock * @dev: network device - * @cpu: cpu number of lock owner * * Get network device transmit lock */ diff --git a/include/linux/string.h b/include/linux/string.h index 810d80df0a1..d18fc198aa2 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -1,7 +1,7 @@ #ifndef _LINUX_STRING_H_ #define _LINUX_STRING_H_ -/* We don't want strings.h stuff being user by user stuff by accident */ +/* We don't want strings.h stuff being used by user stuff by accident */ #ifndef __KERNEL__ #include <string.h> |