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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-26 22:25:17 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-26 22:25:17 +0200 |
| commit | 1664949843e8c0782c8f2e40897285a8dfffdf27 (patch) | |
| tree | 95bbb8896519e5ab84c5fca723ecd9cb36f4796e | |
| parent | d083c03f2524af699a6b85cf4d2f8090242b1b84 (diff) | |
| download | linux-1664949843e8c0782c8f2e40897285a8dfffdf27.tar.bz2 | |
ide-generic: 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 <bzolnier@gmail.com>
| -rw-r--r-- | drivers/ide/ide-generic.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 19f63e393d18..12de09aaef09 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -94,7 +94,24 @@ static int __init ide_generic_init(void) unsigned long io_addr = ide_default_io_base(i); hw_regs_t hw; + idx[i] = 0xff; + 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 * 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); hw.irq = ide_default_irq(io_addr); ide_init_port_hw(hwif, &hw); + hwif->mmio = 1; idx[i] = i; - } else - idx[i] = 0xff; + } } ide_device_add_all(idx, NULL); |