Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754229AbbHNMVZ (ORCPT ); Fri, 14 Aug 2015 08:21:25 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:41565 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751660AbbHNMVY (ORCPT ); Fri, 14 Aug 2015 08:21:24 -0400 From: Grygorii Strashko To: , , CC: , , , , , , , Grygorii Strashko , Sudeep Holla Subject: [PATCH v3 2/6] genirq: introduce irq_chip_set_type_parent() helper Date: Fri, 14 Aug 2015 15:20:26 +0300 Message-ID: <1439554830-19502-3-git-send-email-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1439554830-19502-1-git-send-email-grygorii.strashko@ti.com> References: <1439554830-19502-1-git-send-email-grygorii.strashko@ti.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 Content-Length: 1946 Lines: 59 It's expected to use this helper when the current domain doesn't implement .irq_set_type(), but expect the parent to do so. Cc: Sudeep Holla Signed-off-by: Grygorii Strashko --- include/linux/irq.h | 1 + kernel/irq/chip.c | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/include/linux/irq.h b/include/linux/irq.h index 92188b0..51744bc 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -484,6 +484,7 @@ extern int irq_chip_set_affinity_parent(struct irq_data *data, extern int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on); extern int irq_chip_set_vcpu_affinity_parent(struct irq_data *data, void *vcpu_info); +extern int irq_chip_set_type_parent(struct irq_data *data, unsigned int type); #endif /* Handling of unhandled and spurious interrupts: */ diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 6de638b..ae21682 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -985,6 +985,23 @@ int irq_chip_set_affinity_parent(struct irq_data *data, } /** + * irq_chip_set_type_parent - Set IRQ type on the parent interrupt + * @data: Pointer to interrupt specific data + * @type: IRQ_TYPE_{LEVEL,EDGE}_* value - see include/linux/irq.h + * + * Conditional, as the underlying parent chip might not implement it. + */ +int irq_chip_set_type_parent(struct irq_data *data, unsigned int type) +{ + data = data->parent_data; + + if (data->chip->irq_set_type) + return data->chip->irq_set_type(data, type); + + return -ENOSYS; +} + +/** * irq_chip_retrigger_hierarchy - Retrigger an interrupt in hardware * @data: Pointer to interrupt specific data * -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/