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Subject[PATCH] bast-ide: fix resources reservation
Date
* 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>
---
drivers/ide/arm/bast-ide.c | 10 ++++++++++
1 file changed, 10 insertions(+)

Index: b/drivers/ide/arm/bast-ide.c
===================================================================
--- 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(unsig
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);


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