From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756253AbcBIMk3 (ORCPT ); Tue, 9 Feb 2016 07:40:29 -0500 Received: from hqemgate15.nvidia.com ([216.228.121.64]:7699 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751929AbcBIMk1 (ORCPT ); Tue, 9 Feb 2016 07:40:27 -0500 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Tue, 09 Feb 2016 04:40:51 -0800 From: Laxman Dewangan To: , , , , , , CC: , , , Laxman Dewangan Subject: [PATCH V6 1/6] regmap: irq: dispose all virtual irq before removing domain Date: Tue, 9 Feb 2016 17:58:22 +0530 Message-ID: <1455020907-4564-2-git-send-email-ldewangan@nvidia.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1455020907-4564-1-git-send-email-ldewangan@nvidia.com> References: <1455020907-4564-1-git-send-email-ldewangan@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It is require to dispose all virtual irq of hwirq on chip created on given irq domain before removing this irq domain. Hence dispose all mapped irqs before deleting the irq domains in regmap_del_irq_chip(); Signed-off-by: Laxman Dewangan --- This is new in series. Earlier patch for adding APIs to dispose virq via regmap is abandon and this patch took place. The dispose of virw is added in regmap_del_irq_chip(). drivers/base/regmap/regmap-irq.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index 9b0d202..7e1e9e8 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -655,13 +655,34 @@ EXPORT_SYMBOL_GPL(regmap_add_irq_chip); * * @irq: Primary IRQ for the device * @d: regmap_irq_chip_data allocated by regmap_add_irq_chip() + * + * This function also dispose all mapped irq on chip. */ void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *d) { + unsigned int virq; + int hwirq; + if (!d) return; free_irq(irq, d); + + /* Dispose all virtual irq from irq domain before removing it */ + for (hwirq = 0; hwirq < d->chip->num_irqs; hwirq++) { + /* Ignore hwirq if holes in the IRQ list */ + if (!d->chip->irqs[hwirq].mask) + continue; + + /* + * Find the virtual irq of hwirq on chip and if it is + * there then dispose it + */ + virq = irq_find_mapping(d->domain, hwirq); + if (virq) + irq_dispose_mapping(virq); + } + irq_domain_remove(d->domain); kfree(d->type_buf); kfree(d->type_buf_def); -- 2.1.4