From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Subject: Re: [PATCH] libata: waits up to 10 microseconds for early irq problem Date: Tue, 28 Nov 2006 10:25:34 +0000 Message-ID: <20061128102534.5a42c9b2@localhost.localdomain> References: <200611180759.34622.t.powa@gmx.de> <20061118002357.564dbb9d.akpm@osdl.org> <455F790C.2030509@garzik.org> <456BDCAC.4060609@tw.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:53173 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S935806AbWK1KUq (ORCPT ); Tue, 28 Nov 2006 05:20:46 -0500 In-Reply-To: <456BDCAC.4060609@tw.ibm.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: albertl@mail.com Cc: albertcc@tw.ibm.com, Jeff Garzik , Linux IDE , Tejun Heo , Mark Lord , matthieu castet , Tobias Powalowski On Tue, 28 Nov 2006 14:52:28 +0800 Albert Lee wrote: > Some devices raise irq early before clearing the BSY. > This patch waits up to 10 microseconds to workaround the early irq problem. > > Signed-off-by: Albert Lee Acked-by: Alan Cox The IRQ delivery is async to the I/O so this makes a lot of sense for all cases.