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ide: add ide_dump_identify() debug helper 

* Add ide_dump_identify() debug helper for dumping raw identify data in
  the hdparm friendly format (== the identify data can be extracted from
  dmesg output and passed to hdparm --Istdin).

* Dump identify data in ide-probe.c::do_identify() if DEBUG is enabled.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
hifive-unleashed-5.1
Bartlomiej Zolnierkiewicz 2008-02-01 23:09:28 +01:00
parent 3bb4663bd8
commit 7b9f25b539
2 changed files with 9 additions and 0 deletions
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4
drivers/ide/ide-probe.c
View File

@ -129,6 +129,10 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
drive->id_read = 1;
local_irq_enable();
#ifdef DEBUG
printk(KERN_INFO "%s: dumping identify data\n", drive->name);
ide_dump_identify((u8 *)id);
#endif
ide_fix_driveid(id);
#if defined (CONFIG_SCSI_EATA_PIO) || defined (CONFIG_SCSI_EATA)

5
include/linux/ide.h
View File

@ -1288,6 +1288,11 @@ extern struct bus_type ide_bus_type;
#define ide_id_has_flush_cache_ext(id) \
(((id)->cfs_enable_2 & 0x2400) == 0x2400)
static inline void ide_dump_identify(u8 *id)
{
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0);
}
static inline int hwif_to_node(ide_hwif_t *hwif)
{
struct pci_dev *dev = hwif->pci_dev;