bast-ide: fix resources reservation

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

* Use request_mem_region() for resources reservation.

* Use driver name for resources reservation.

Cc: Ben Dooks <support@simtec.co.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/ide/arm/bast-ide.c b/drivers/ide/arm/bast-ide.c
index 3bd2c6dcd80b..a80b9574865e 100644
--- a/drivers/ide/arm/bast-ide.c
+++ b/drivers/ide/arm/bast-ide.c
@@ -21,6 +21,8 @@
 #include <asm/arch/bast-map.h>
 #include <asm/arch/bast-irq.h>
 
+#define DRV_NAME "bast-ide"
+
 static int __init bastide_register(unsigned int base, unsigned int aux, int irq)
 {
         ide_hwif_t *hwif;
@@ -53,6 +55,7 @@ static int __init bastide_register(unsigned int base, unsigned int aux, int irq)
                 ide_init_port_data(hwif, i);
 
         ide_init_port_hw(hwif, &hw);
+        hwif->mmio = 1;
         hwif->quirkproc = NULL;
 
         idx[0] = i;
@@ -64,6 +67,8 @@ out:
 
 static int __init bastide_init(void)
 {
+        unsigned long base = BAST_VA_IDEPRI + BAST_IDE_CS;
+
         /* we can treat the VR1000 and the BAST the same */
 
         if (!(machine_is_bast() || machine_is_vr1000()))
@@ -71,6 +76,11 @@ static int __init bastide_init(void)
 
         printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n");
 
+        if (!request_mem_region(base, 0x400000, DRV_NAME)) {
+                printk(KERN_ERR "%s: resources busy\n", DRV_NAME);
+                return -EBUSY;
+        }
+
         bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0);
         bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1);