redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

ide-mpc8xx: fix resources reservation

Browse source 
* Tell IDE layer to not manage resources by setting
  hwif->mmio flag and request resources in m8xx_ide_init_ports().

* Use request_mem_region() for resources reservation.

* Use driver name for resources reservation.

Cc: Vitaly Bordug <vitb@kernel.crashing.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-04-26 17:36:38 +02:00
parent cb7500db0e
commit 54c0539527
1 changed files with 17 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
drivers/ide/ppc/mpc8xx.c
View file

@ -36,6 +36,8 @@
#include <asm/machdep.h>
#include <asm/irq.h>
#define DRV_NAME "ide-mpc8xx"
static int identify (volatile u8 *p);
static void print_fixed (volatile u8 *p);
static void print_funcid (int func);
@ -182,6 +184,13 @@ static int __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
pcmcia_phy_base, pcmcia_phy_end,
pcmcia_phy_end - pcmcia_phy_base);
if (!request_mem_region(pcmcia_phy_base,
pcmcia_phy_end - pcmcia_phy_base,
DRV_NAME)) {
printk(KERN_ERR "%s: resources busy\n", DRV_NAME);
return -EBUSY;
}
pcmcia_base=(unsigned long)ioremap(pcmcia_phy_base,
pcmcia_phy_end-pcmcia_phy_base);
@ -326,7 +335,12 @@ static int __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
printk ("IDE phys mem : %08x...%08x (size %08x)\n",
ide_phy_base, ide_phy_end,
ide_phy_end - ide_phy_base);
if (!request_mem_region(ide_phy_base, 0x200, DRV_NAME)) {
printk(KERN_ERR "%s: resources busy\n", DRV_NAME);
return -EBUSY;
}
ide_base=(unsigned long)ioremap(ide_phy_base,
ide_phy_end-ide_phy_base);
@ -796,6 +810,7 @@ static int __init mpc8xx_ide_probe(void)
ide_hwif_t *hwif = &ide_hwifs[0];
ide_init_port_hw(hwif, &hw);
hwif->mmio = 1;
hwif->pio_mask = ATA_PIO4;
hwif->set_pio_mode = m8xx_ide_set_pio_mode;
@ -807,6 +822,7 @@ static int __init mpc8xx_ide_probe(void)
ide_hwif_t *mate = &ide_hwifs[1];
ide_init_port_hw(mate, &hw);
mate->mmio = 1;
mate->pio_mask = ATA_PIO4;
mate->set_pio_mode = m8xx_ide_set_pio_mode;