From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753962AbXC3VJg (ORCPT ); Fri, 30 Mar 2007 17:09:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753961AbXC3VJO (ORCPT ); Fri, 30 Mar 2007 17:09:14 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:58173 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753960AbXC3VJM (ORCPT ); Fri, 30 Mar 2007 17:09:12 -0400 Date: Fri, 30 Mar 2007 14:03:53 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: Justin Forbes , Zwane Mwaikambo , "Theodore Ts'o" , Randy Dunlap , Dave Jones , Chuck Wolber , Chris Wedgwood , Michael Krufky , Chuck Ebbert , torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Albert Lee , Sergei Shtylyov , "Adam W. Hawks" , Bartlomiej Zolnierkiewicz Subject: [patch 02/37] ide: remove clearing bmdma status from cdrom_decode_status() (rev #4) Message-ID: <20070330210353.GC29450@kroah.com> References: <20070330205938.984247529@mini.kroah.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline; filename="ide-remove-clearing-bmdma-status-from-cdrom_decode_status.patch" In-Reply-To: <20070330210334.GA29450@kroah.com> User-Agent: Mutt/1.5.14 (2007-02-12) X-Bad-Reply: References and In-Reply-To but no 'Re:' in Subject. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org -stable review patch. If anyone has any objections, please let us know. ------------------ From: Albert Lee ide: remove clearing bmdma status from cdrom_decode_status() (rev #4) patch 2/2: Remove clearing bmdma status from cdrom_decode_status() since ATA devices might need it as well. (http://lkml.org/lkml/2006/12/4/201 and http://lkml.org/lkml/2006/11/15/94) Signed-off-by: Albert Lee Cc: Sergei Shtylyov Cc: Alan Cox Cc: "Adam W. Hawks" Cc: Chuck Ebbert Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Greg Kroah-Hartman --- drivers/ide/ide-cd.c | 7 ------- drivers/ide/pci/piix.c | 4 ---- include/linux/ide.h | 1 - 3 files changed, 12 deletions(-) --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -687,15 +687,8 @@ static void ide_dump_status_no_sense(ide static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) { struct request *rq = HWGROUP(drive)->rq; - ide_hwif_t *hwif = HWIF(drive); int stat, err, sense_key; - /* We may have bogus DMA interrupts in PIO state here */ - if (HWIF(drive)->dma_status && hwif->atapi_irq_bogon) { - stat = hwif->INB(hwif->dma_status); - /* Should we force the bit as well ? */ - hwif->OUTB(stat, hwif->dma_status); - } /* Check for errors. */ stat = HWIF(drive)->INB(IDE_STATUS_REG); if (stat_ret) --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -502,10 +502,6 @@ static void __devinit init_hwif_piix(ide /* This is a painful system best to let it self tune for now */ return; } - /* ESB2 appears to generate spurious DMA interrupts in PIO mode - when in native mode */ - if (hwif->pci_dev->device == PCI_DEVICE_ID_INTEL_ESB2_18) - hwif->atapi_irq_bogon = 1; hwif->autodma = 0; hwif->tuneproc = &piix_tune_drive; --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -797,7 +797,6 @@ typedef struct hwif_s { unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */ unsigned no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */ unsigned err_stops_fifo : 1; /* 1=data FIFO is cleared by an error */ - unsigned atapi_irq_bogon : 1; /* Generates spurious DMA interrupts in PIO mode */ struct device gendev; struct completion gendev_rel_comp; /* To deal with device release() */ --