From 2305d94321bbbdc461acfb24b41fbf50f8a6dd91 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sat, 26 Apr 2008 22:25:18 +0200 Subject: ide_arm: manage I/O resources in driver * Tell IDE layer to not manage resources by setting hwif->mmio flag. * Use {request,release}_region() for resources management. * Use driver name for resources management. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/arm/ide_arm.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ide/arm/ide_arm.c b/drivers/ide/arm/ide_arm.c index 82643df7c49..a05d3dfe256 100644 --- a/drivers/ide/arm/ide_arm.c +++ b/drivers/ide/arm/ide_arm.c @@ -14,6 +14,8 @@ #include #include +#define DRV_NAME "ide_arm" + #ifdef CONFIG_ARCH_CLPS7500 # include # @@ -28,15 +30,30 @@ static int __init ide_arm_init(void) { ide_hwif_t *hwif; hw_regs_t hw; + unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + if (!request_region(base, 8, DRV_NAME)) { + printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", + DRV_NAME, base, base + 7); + return -EBUSY; + } + + if (!request_region(ctl, 1, DRV_NAME)) { + printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", + DRV_NAME, ctl); + release_region(base, 8); + return -EBUSY; + } + memset(&hw, 0, sizeof(hw)); - ide_std_init_ports(&hw, IDE_ARM_IO, IDE_ARM_IO + 0x206); + ide_std_init_ports(&hw, base, ctl); hw.irq = IDE_ARM_IRQ; hwif = ide_find_port(); if (hwif) { ide_init_port_hw(hwif, &hw); + hwif->mmio = 1; idx[0] = hwif->index; ide_device_add(idx, NULL); -- cgit v1.2.3