From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756034AbYHSSiA (ORCPT ); Tue, 19 Aug 2008 14:38:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754565AbYHSShX (ORCPT ); Tue, 19 Aug 2008 14:37:23 -0400 Received: from gv-out-0910.google.com ([216.239.58.186]:24430 "EHLO gv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754424AbYHSShS (ORCPT ); Tue, 19 Aug 2008 14:37:18 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:cc:mime-version:content-type :content-transfer-encoding:content-disposition:message-id; b=JWjfuqLg1UdphpgN6thgTbxzjPDOOVVBZn6VeoC6vTCuxpO/OpXf7qPvOWKd0sG2FC TWxhsr3W0nxXQ6FUnwWAgD94cLUcSWzE1edA56j4uQx6mmkrpYe7mVYAg2HabGwsD8FY xKA016KUu0mT1dw8CHGpdWiwm3n7zjhhV+tJU= From: Bartlomiej Zolnierkiewicz To: linux-ide@vger.kernel.org Subject: [PATCH 3/5] ide-generic: no need to probe all ports at once Date: Tue, 19 Aug 2008 20:32:33 +0200 User-Agent: KMail/1.9.9 Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200808192032.33287.bzolnier@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-generic.c | 47 +++++++++++----------------------------------- 1 file changed, 12 insertions(+), 35 deletions(-) Index: b/drivers/ide/ide-generic.c =================================================================== --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -137,10 +137,9 @@ static void ide_generic_check_pci_legacy 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; }