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mg_disk: seperate mg_disk.h again

Browse source 
eec9462088 fold mg_disk.h into mg_disk.c,
but mg_disk platform driver needs private data for operation. This also
make mg_disk.c as machine independent. Seperate only needed structure and
defines to mg_disk.h

Signed-off-by: unsik Kim <donari75@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
unsik Kim 2009-06-16 08:40:20 +02:00 committed by Jens Axboe
parent e475bba2fd
commit 5ced504b1b
2 changed files with 46 additions and 27 deletions
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28
drivers/block/mg_disk.c
View file

@ -22,13 +22,12 @@
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/mg_disk.h>
#define MG_RES_SEC (CONFIG_MG_DISK_RES << 1)
/* name for block device */
#define MG_DISK_NAME "mgd"
/* name for platform device */
#define MG_DEV_NAME "mg_disk"
#define MG_DISK_MAJ 0
#define MG_DISK_MAX_PART 16
@ -103,33 +102,8 @@
#define MG_TMAX_SWRST_TO_RDY 500
#define MG_TMAX_RSTOUT 3000
/* device attribution */
/* use mflash as boot device */
#define MG_BOOT_DEV (1 << 0)
/* use mflash as storage device */
#define MG_STORAGE_DEV (1 << 1)
/* same as MG_STORAGE_DEV, but bootloader already done reset sequence */
#define MG_STORAGE_DEV_SKIP_RST (1 << 2)
#define MG_DEV_MASK (MG_BOOT_DEV | MG_STORAGE_DEV | MG_STORAGE_DEV_SKIP_RST)
/* names of GPIO resource */
#define MG_RST_PIN "mg_rst"
/* except MG_BOOT_DEV, reset-out pin should be assigned */
#define MG_RSTOUT_PIN "mg_rstout"
/* private driver data */
struct mg_drv_data {
/* disk resource */
u32 use_polling;
/* device attribution */
u32 dev_attr;
/* internally used */
struct mg_host *host;
};
/* main structure for mflash driver */
struct mg_host {
struct device *dev;

45
include/linux/mg_disk.h Normal file
View file

@ -0,0 +1,45 @@
/*
* include/linux/mg_disk.c
*
* Private data for mflash platform driver
*
* (c) 2008 mGine Co.,LTD
* (c) 2008 unsik Kim <donari75@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __MG_DISK_H__
#define __MG_DISK_H__
/* name for platform device */
#define MG_DEV_NAME "mg_disk"
/* names of GPIO resource */
#define MG_RST_PIN "mg_rst"
/* except MG_BOOT_DEV, reset-out pin should be assigned */
#define MG_RSTOUT_PIN "mg_rstout"
/* device attribution */
/* use mflash as boot device */
#define MG_BOOT_DEV (1 << 0)
/* use mflash as storage device */
#define MG_STORAGE_DEV (1 << 1)
/* same as MG_STORAGE_DEV, but bootloader already done reset sequence */
#define MG_STORAGE_DEV_SKIP_RST (1 << 2)
/* private driver data */
struct mg_drv_data {
/* disk resource */
u32 use_polling;
/* device attribution */
u32 dev_attr;
/* internally used */
void *host;
};
#endif