From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH] bast-ide: fix resources reservation Date: Wed, 20 Feb 2008 01:47:14 +0100 Message-ID: <200802200147.15040.bzolnier@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from fk-out-0910.google.com ([209.85.128.191]:37168 "EHLO fk-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754057AbYBTAg3 (ORCPT ); Tue, 19 Feb 2008 19:36:29 -0500 Received: by fk-out-0910.google.com with SMTP id z23so2708594fkz.5 for ; Tue, 19 Feb 2008 16:36:28 -0800 (PST) Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Ben Dooks * Tell IDE layer to not manage resources by setting hwif->mmio flag and request resources in bastide_init(). * Use request_mem_region() for resources reservation. * Use driver name for resources reservation. Cc: Ben Dooks Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/arm/bast-ide.c | 10 ++++++++++ 1 file changed, 10 insertions(+) Index: b/drivers/ide/arm/bast-ide.c =================================================================== --- a/drivers/ide/arm/bast-ide.c +++ b/drivers/ide/arm/bast-ide.c @@ -21,6 +21,8 @@ #include #include +#define DRV_NAME "bast-ide" + static int __init bastide_register(unsigned int base, unsigned int aux, int irq) { ide_hwif_t *hwif; @@ -53,6 +55,7 @@ static int __init bastide_register(unsig ide_init_port_data(hwif, i); ide_init_port_hw(hwif, &hw); + hwif->mmio = 1; hwif->quirkproc = NULL; idx[0] = i; @@ -64,6 +67,8 @@ out: static int __init bastide_init(void) { + unsigned long base = BAST_VA_IDEPRI + BAST_IDE_CS; + /* we can treat the VR1000 and the BAST the same */ if (!(machine_is_bast() || machine_is_vr1000())) @@ -71,6 +76,11 @@ static int __init bastide_init(void) printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n"); + if (!request_mem_region(base, 0x400000, DRV_NAME)) { + printk(KERN_ERR "%s: resources busy\n", DRV_NAME); + return -EBUSY; + } + bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0); bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1);