From 6ccc6d7ecbb427580d045699e434bc5c6f45e227 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:42 +0200 Subject: ide-generic: no need to probe all ports at once Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-generic.c | 47 ++++++++++++----------------------------------- 1 file changed, 12 insertions(+), 35 deletions(-) (limited to 'drivers/ide') diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 0a3cb0c33ae..3104dc8d5b6 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -137,10 +137,9 @@ static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary) static int __init ide_generic_init(void) { - hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS]; - struct ide_host *host; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; unsigned long io_addr; - int i, rc, primary = 0, secondary = 0; + int i, rc = 0, primary = 0, secondary = 0; #ifdef CONFIG_MIPS if (!ide_probe_legacy()) @@ -161,13 +160,9 @@ static int __init ide_generic_init(void) printk(KERN_INFO DRV_NAME ": enforcing probing of I/O ports " "upon user request\n"); - memset(hws, 0, sizeof(hw_regs_t *) * MAX_HWIFS); - for (i = 0; i < ARRAY_SIZE(legacy_bases); i++) { io_addr = legacy_bases[i]; - hws[i] = NULL; - if ((probe_mask & (1 << i)) && io_addr) { if (!request_region(io_addr, 8, DRV_NAME)) { printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX " @@ -184,45 +179,27 @@ static int __init ide_generic_init(void) continue; } - memset(&hw[i], 0, sizeof(hw[i])); - ide_std_init_ports(&hw[i], io_addr, io_addr + 0x206); + memset(&hw, 0, sizeof(hw)); + ide_std_init_ports(&hw, io_addr, io_addr + 0x206); #ifdef CONFIG_IA64 - hw[i].irq = isa_irq_to_vector(legacy_irqs[i]); + hw.irq = isa_irq_to_vector(legacy_irqs[i]); #else - hw[i].irq = legacy_irqs[i]; + hw.irq = legacy_irqs[i]; #endif - hw[i].chipset = ide_generic; + hw.chipset = ide_generic; - hws[i] = &hw[i]; + rc = ide_host_add(NULL, hws, NULL); + if (rc) { + release_region(io_addr + 0x206, 1); + release_region(io_addr, 8); + } } } - host = ide_host_alloc_all(NULL, hws); - if (host == NULL) { - rc = -ENOMEM; - goto err; - } - - rc = ide_host_register(host, NULL, hws); - if (rc) - goto err_free; - if (ide_generic_sysfs_init()) printk(KERN_ERR DRV_NAME ": failed to create ide_generic " "class\n"); - return 0; -err_free: - ide_host_free(host); -err: - for (i = 0; i < MAX_HWIFS; i++) { - if (hws[i] == NULL) - continue; - - io_addr = hws[i]->io_ports.data_addr; - release_region(io_addr + 0x206, 1); - release_region(io_addr, 8); - } return rc; } -- cgit v1.2.3-70-g09d2