From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: To: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Cc: Marc Zyngier , helgaas@kernel.org, arnd@arndb.de From: valmiki Subject: Need clarity on legacy RC interrupt handling Message-ID: Date: Sat, 7 Jan 2017 07:54:40 +0530 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed List-ID: Hi, Legacy interrupts are level triggered, but i see some RC drivers use flow handler "handle_simple_irq" instead why they are not using "handle_level_irq" ? Why they are registering dummy_irq_chip with "handle_simple_irq", if they use this chip how the irq type is set for this virtual irq (level or edge). Regards, vamiki