diff -Naur linux-2.6.18-rc4-old/include/linux/ide.h linux-2.6.18-rc4/include/linux/ide.h --- linux-2.6.18-rc4-old/include/linux/ide.h 2006-08-19 03:49:03.000000000 -0400 +++ linux-2.6.18-rc4/include/linux/ide.h 2006-08-20 19:13:10.000000000 -0400 @@ -1201,6 +1201,17 @@ void ide_register_subdriver(ide_drive_t *, ide_driver_t *); void ide_unregister_subdriver(ide_drive_t *, ide_driver_t *); +/* Bits 10 of command_set_1 and cfs_enable_1 must be equal, + * so on non-buggy drives we need test only one. + * However, we should also check whether these fields are valid. +*/ +static inline int idedisk_supports_hpa(const struct hd_driveid *id) +{ + return (id->command_set_1 & 0x0400) && (id->cfs_enable_1 & 0x0400); +} + +extern void init_idedisk_capacity (ide_drive_t *drive); + #define ON_BOARD 1 #define NEVER_BOARD 0 diff -Naur linux-2.6.18-rc4-old/drivers/ide/ide-disk.c linux-2.6.18-rc4/drivers/ide/ide-disk.c --- linux-2.6.18-rc4-old/drivers/ide/ide-disk.c 2006-08-19 03:49:03.000000000 -0400 +++ linux-2.6.18-rc4/drivers/ide/ide-disk.c 2006-08-20 19:13:56.000000000 -0400 @@ -464,16 +464,6 @@ } /* - * Bits 10 of command_set_1 and cfs_enable_1 must be equal, - * so on non-buggy drives we need test only one. - * However, we should also check whether these fields are valid. - */ -static inline int idedisk_supports_hpa(const struct hd_driveid *id) -{ - return (id->command_set_1 & 0x0400) && (id->cfs_enable_1 & 0x0400); -} - -/* * The same here. */ static inline int idedisk_supports_lba48(const struct hd_driveid *id) @@ -528,7 +518,7 @@ * in above order (i.e., if value of higher priority is available, * reset will be ignored). */ -static void init_idedisk_capacity (ide_drive_t *drive) +void init_idedisk_capacity (ide_drive_t *drive) { struct hd_driveid *id = drive->id; /* @@ -555,6 +545,8 @@ } } +EXPORT_SYMBOL(init_idedisk_capacity); + static sector_t idedisk_capacity (ide_drive_t *drive) { return drive->capacity64 - drive->sect0; diff -Naur linux-2.6.18-rc4-old/drivers/ide/ide.c linux-2.6.18-rc4/drivers/ide/ide.c --- linux-2.6.18-rc4-old/drivers/ide/ide.c 2006-08-19 03:49:03.000000000 -0400 +++ linux-2.6.18-rc4/drivers/ide/ide.c 2006-08-20 19:12:38.000000000 -0400 @@ -1232,6 +1232,7 @@ struct request rq; struct request_pm_state rqpm; ide_task_t args; + int ide_cmd; memset(&rq, 0, sizeof(rq)); memset(&rqpm, 0, sizeof(rqpm)); @@ -1242,7 +1243,15 @@ rqpm.pm_step = ide_pm_state_start_resume; rqpm.pm_state = PM_EVENT_ON; - return ide_do_drive_cmd(drive, &rq, ide_head_wait); + ide_cmd = ide_do_drive_cmd(drive, &rq, ide_head_wait); + + /* check to see if this is a hard drive + * if it is then checkhpa needs to be + * disabled */ + if(drive->media == ide_disk && idedisk_supports_hpa(drive->id)) + init_idedisk_capacity(drive); + + return ide_cmd; } int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev,