From mboxrd@z Thu Jan 1 00:00:00 1970 From: Magnus Damm Date: Wed, 20 Nov 2013 00:23:35 +0000 Subject: [PATCH 04/05 v2] gpio: em: Use lazy disable Message-Id: <20131120002335.27342.16796.sendpatchset@w520> List-Id: References: <20131120002259.27342.35575.sendpatchset@w520> In-Reply-To: <20131120002259.27342.35575.sendpatchset@w520> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-kernel@vger.kernel.org Cc: linux-sh@vger.kernel.org, linus.walleij@linaro.org, grant.likely@secretlab.ca, horms@verge.net.au, laurent.pinchart@ideasonboard.com, Magnus Damm From: Magnus Damm Set the ->irq_enable() and ->irq_disable() methods to NULL to enable lazy disable of interrupts. This by itself provides some level of optimization, but is mainly enabled as ground work for future Suspend-to-RAM wake up support. Signed-off-by: Magnus Damm --- drivers/gpio/gpio-em.c | 2 -- 1 file changed, 2 deletions(-) --- 0010/drivers/gpio/gpio-em.c +++ work/drivers/gpio/gpio-em.c 2013-11-20 08:32:49.000000000 +0900 @@ -336,8 +336,6 @@ static int em_gio_probe(struct platform_ irq_chip->name = name; irq_chip->irq_mask = em_gio_irq_disable; irq_chip->irq_unmask = em_gio_irq_enable; - irq_chip->irq_enable = em_gio_irq_enable; - irq_chip->irq_disable = em_gio_irq_disable; irq_chip->irq_set_type = em_gio_irq_set_type; irq_chip->flags = IRQCHIP_SKIP_SET_WAKE;