Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753642AbdCHRLT (ORCPT ); Wed, 8 Mar 2017 12:11:19 -0500 Received: from mail-wm0-f42.google.com ([74.125.82.42]:37722 "EHLO mail-wm0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751390AbdCHRLR (ORCPT ); Wed, 8 Mar 2017 12:11:17 -0500 From: Bartosz Golaszewski To: Thomas Gleixner , Marc Zyngier Cc: linux-kernel@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH v2] irq: generic-chip: provide irq_free_generic_chip() Date: Wed, 8 Mar 2017 18:04:05 +0100 Message-Id: <1488992645-9980-1-git-send-email-bgolaszewski@baylibre.com> X-Mailer: git-send-email 2.1.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1660 Lines: 50 Some users of irq_alloc_generic_chip() are modules which can be removed (e.g. gpio-ml-ioh) but have no means of freeing the allocated generic chip. Provide a function for that. Signed-off-by: Bartosz Golaszewski --- v1 -> v2: - added the kernel doc include/linux/irq.h | 1 + kernel/irq/generic-chip.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/include/linux/irq.h b/include/linux/irq.h index f887351..04e5120 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -950,6 +950,7 @@ void irq_setup_generic_chip(struct irq_chip_generic *gc, u32 msk, int irq_setup_alt_chip(struct irq_data *d, unsigned int type); void irq_remove_generic_chip(struct irq_chip_generic *gc, u32 msk, unsigned int clr, unsigned int set); +void irq_free_generic_chip(struct irq_chip_generic *gc); struct irq_chip_generic *irq_get_domain_generic_chip(struct irq_domain *d, unsigned int hw_irq); diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c index ee32870..242836e 100644 --- a/kernel/irq/generic-chip.c +++ b/kernel/irq/generic-chip.c @@ -545,6 +545,18 @@ void irq_remove_generic_chip(struct irq_chip_generic *gc, u32 msk, } EXPORT_SYMBOL_GPL(irq_remove_generic_chip); +/** + * irq_free_generic_chip - Free the memory allocated for a chip + * @gc: Generic irq chip + * + * Free the data previously allocated by irq_allocate_generic_chip(). + */ +void irq_free_generic_chip(struct irq_chip_generic *gc) +{ + kfree(gc); +} +EXPORT_SYMBOL_GPL(irq_free_generic_chip); + static struct irq_data *irq_gc_get_irq_data(struct irq_chip_generic *gc) { unsigned int virq; -- 2.9.3