diff options
| author |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-26 17:36:38 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-26 17:36:38 +0200 |
| commit | 54c05395273678fe23e9169a435fdc15ee17535e (patch) | |
| tree | f9b0aba2db2532dc6fedbae8d19171932d1785e8 /drivers/ide/ppc/mpc8xx.c | |
| parent | ide-mpc8xx: make m8xx_ide_init_ports() return an error value (diff) | |
| download | linux-dev-54c05395273678fe23e9169a435fdc15ee17535e.tar.xz linux-dev-54c05395273678fe23e9169a435fdc15ee17535e.zip | |
ide-mpc8xx: fix resources reservation
* 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>
Diffstat (limited to 'drivers/ide/ppc/mpc8xx.c')
| -rw-r--r-- | drivers/ide/ppc/mpc8xx.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/ide/ppc/mpc8xx.c b/drivers/ide/ppc/mpc8xx.c index 3f8539f1ccd3..467656f06ccc 100644 --- a/drivers/ide/ppc/mpc8xx.c +++ b/drivers/ide/ppc/mpc8xx.c @@ -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; |