Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758530Ab3ENVP5 (ORCPT ); Tue, 14 May 2013 17:15:57 -0400 Received: from mout.gmx.net ([212.227.15.19]:51582 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758395Ab3ENVP4 (ORCPT ); Tue, 14 May 2013 17:15:56 -0400 X-Authenticated: #20192376 X-Provags-ID: V01U2FsdGVkX18X3ct5JhsXUTojQbdJXs4gtWi3XG09qZ5o2tYMi8 JGPYDzcnST6p9z From: Andreas Fenkart To: tglx@linutronix.de Cc: linux-kernel@vger.kernel.org, rdunlap@infradead.org, Andreas Fenkart Subject: [RESEND][PATCH 1/1] genirq: outline lazy disable in kerneldoc of irq_disable function. Date: Tue, 14 May 2013 23:15:44 +0200 Message-Id: <1368566144-13548-1-git-send-email-andreas.fenkart@streamunlimited.com> X-Mailer: git-send-email 1.7.10.4 X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1167 Lines: 36 comment taken from changelog of d209a699a0b975ad Signed-off-by: Andreas Fenkart --- kernel/irq/chip.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index cbd97ce..ba1f076 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -213,6 +213,16 @@ void irq_enable(struct irq_desc *desc) irq_state_clr_masked(desc); } +/** + * irq_disable - disable interrupt generation + * @desc: irq descriptor which should be disabled + * + * If the chip does not implement the irq_disable callback, we + * use a lazy disable approach. That means we mark the interrupt + * disabled, but leave the hardware unmasked. If an interrupt + * happens, then the interrupt flow handler masks the line at the + * hardware level and marks it pending. + */ void irq_disable(struct irq_desc *desc) { irq_state_set_disabled(desc); -- 1.7.10.4 -- 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/