From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [Bug] GPIO-Rcar: Driver does not work after Unbind-rebind. Date: Tue, 05 Aug 2014 03:05:04 +0200 Message-ID: <11539044.7ozDkqgRA7@avalon> References: <53DB3E53.2000508@jinso.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from galahad.ideasonboard.com ([185.26.127.97]:33989 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752354AbaHEBEh convert rfc822-to-8bit (ORCPT ); Mon, 4 Aug 2014 21:04:37 -0400 In-Reply-To: <53DB3E53.2000508@jinso.co.jp> Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org To: cm-hiep@jinso.co.jp Cc: Magnus Damm , Simon Horman , linux-gpio@vger.kernel.org, Simon Horman , Kuninori Morimoto , =?utf-8?B?U+mWizEyL+ajruacrOOBleOCkw==?= , SH-Linux Hello, On Friday 01 August 2014 16:14:27 =E3=82=AB=E3=82=AA=E3=80=80=E3=83=9F=E3= =83=B3=E3=80=80=E3=83=92=E3=82=A7=E3=83=83=E3=83=97 wrote: > Hello, >=20 > I tested gpio-rcar driver at Linux-upstream-v3.16-rc5 on Lager. > When I tried to unbind and then rebind the device, error messages occ= ur. > Then gpio-rcar did not work and interrupt number did not count up any= more. >=20 > The error messages is showed as below: > "irq 0, desc: ee005040, depth: 1, cou0 > ->handle_irq(): c005eea0, handle_bad_irq+0x0/0x21c > ->irq_data.chip(): c05de7f8, 0xc05de7f8 > ->action(): (null) > IRQ_NOPROBE set > IRQ_NOREQUEST set > irq 0, desc: ee005040, depth: 1, count: 0, unhandled: 0 > ->handle_irq(): c005eea0, handle_bad_irq+0x0/0x21c > ->irq_data.chip(): c05de7f8, 0xc05de7f8 > ->action(): (null) > IRQ_NOPROBE set > IRQ_NOREQUEST set" >=20 > Please see it and fix this bug. Could you please detail the procedure to follow to reproduce the proble= m ? --=20 Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html