From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934237Ab2FENaN (ORCPT ); Tue, 5 Jun 2012 09:30:13 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:56420 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932429Ab2FENaM (ORCPT ); Tue, 5 Jun 2012 09:30:12 -0400 From: Mark Brown To: linux-kernel@vger.kernel.org Cc: Mark Brown Subject: [PATCH] regmap: Don't try to map non-existant IRQs Date: Tue, 5 Jun 2012 14:30:06 +0100 Message-Id: <1338903006-24379-1-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.10 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If the driver supplied an empty entry in the array of IRQs then return an error rather than trying to do the mapping. This is intended for use with handling chip variants and similar situations. Signed-off-by: Mark Brown --- drivers/base/regmap/regmap-irq.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index c190229..8e94e0e 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -346,6 +346,10 @@ EXPORT_SYMBOL_GPL(regmap_irq_chip_get_base); */ int regmap_irq_get_virq(struct regmap_irq_chip_data *data, int irq) { + /* Handle holes in the IRQ list */ + if (!data->chip->irqs[irq].mask) + return -EINVAL; + return irq_create_mapping(data->domain, irq); } EXPORT_SYMBOL_GPL(regmap_irq_get_virq); -- 1.7.10