evie/android_kernel_oneplus_msm8998
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ide-generic: manage I/O resources in driver

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* 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 <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-04-26 22:25:17 +02:00
parent d083c03f25
commit 1664949843
1 changed files with 19 additions and 2 deletions
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21
drivers/ide/ide-generic.c
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@ -94,7 +94,24 @@ static int __init ide_generic_init(void)
unsigned long io_addr = ide_default_io_base(i); unsigned long io_addr = ide_default_io_base(i);
hw_regs_t hw; hw_regs_t hw;
idx[i] = 0xff;
if (io_addr) { if (io_addr) {
if (!request_region(io_addr, 8, DRV_NAME)) {
printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX "
"not free.\n",
DRV_NAME, io_addr, io_addr + 7);
continue;
}
if (!request_region(io_addr + 0x206, 1, DRV_NAME)) {
printk(KERN_ERR "%s: I/O resource 0x%lX "
"not free.\n",
DRV_NAME, io_addr + 0x206);
release_region(io_addr, 8);
continue;
}
/* /*
* Skip probing if the corresponding * Skip probing if the corresponding
* slot is already occupied. * slot is already occupied.
@ -109,10 +126,10 @@ static int __init ide_generic_init(void)
ide_std_init_ports(&hw, io_addr, io_addr + 0x206); ide_std_init_ports(&hw, io_addr, io_addr + 0x206);
hw.irq = ide_default_irq(io_addr); hw.irq = ide_default_irq(io_addr);
ide_init_port_hw(hwif, &hw); ide_init_port_hw(hwif, &hw);
hwif->mmio = 1;
idx[i] = i; idx[i] = i;
} else }
idx[i] = 0xff;
} }
ide_device_add_all(idx, NULL); ide_device_add_all(idx, NULL);