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ide-cris: don't override ide_register_hw() result 

* Don't override ide_register_hw() result and check if there is a hwif
  available to use.

* MAX_HWIFS is user configurable nowadays so replace it by hard-coded value.

* Remove the comment about ide_hwifs[].

Acked-by: Mikael Starvik <starvik@axis.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2007-11-27 21:35:55 +01:00
parent c03a9278ad
commit e816056210
1 changed files with 4 additions and 3 deletions
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7
drivers/ide/cris/ide-cris.c
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@ -773,15 +773,16 @@ init_e100_ide (void)
/* the IDE control register is at ATA address 6, with CS1 active instead of CS0 */
ide_offsets[IDE_CONTROL_OFFSET] = cris_ide_reg_addr(6, 1, 0);
/* first fill in some stuff in the ide_hwifs fields */
for (h = 0; h < 4; h++) {
ide_hwif_t *hwif = NULL;
for(h = 0; h < MAX_HWIFS; h++) {
ide_hwif_t *hwif = &ide_hwifs[h];
ide_setup_ports(&hw, cris_ide_base_address(h),
ide_offsets,
0, 0, cris_ide_ack_intr,
ide_default_irq(0));
ide_register_hw(&hw, NULL, 1, &hwif);
if (hwif == NULL)
continue;
hwif->mmio = 1;
hwif->chipset = ide_etrax100;
hwif->set_pio_mode = &cris_set_pio_mode;