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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-04-26 17:36:38 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-04-26 17:36:38 +0200
commit54c05395273678fe23e9169a435fdc15ee17535e (patch)
treef9b0aba2db2532dc6fedbae8d19171932d1785e8 /drivers/ide/ppc
parentcb7500db0e94c61b79712bc081dd90da68a4a40c (diff)
downloadblackbird-op-linux-54c05395273678fe23e9169a435fdc15ee17535e.tar.gz
blackbird-op-linux-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')
-rw-r--r--drivers/ide/ppc/mpc8xx.c18
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;
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