From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v9 net-next] ravb: Add dma queue interrupt support Date: Mon, 04 Apr 2016 16:02:24 -0400 (EDT) Message-ID: <20160404.160224.63334418160687731.davem@davemloft.net> References: <1459695278-24142-1-git-send-email-ykaneko0929@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, sergei.shtylyov@cogentembedded.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org To: ykaneko0929@gmail.com Return-path: In-Reply-To: <1459695278-24142-1-git-send-email-ykaneko0929@gmail.com> Sender: linux-renesas-soc-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Yoshihiro Kaneko Date: Sun, 3 Apr 2016 23:54:38 +0900 > From: Kazuya Mizuguchi > > This patch supports the following interrupts. > > - One interrupt for multiple (timestamp, error, gPTP) > - One interrupt for emac > - Four interrupts for dma queue (best effort rx/tx, network control rx/tx) > > This patch improve efficiency of the interrupt handler by adding the > interrupt handler corresponding to each interrupt source described > above. Additionally, it reduces the number of times of the access to > EthernetAVB IF. > Also this patch prevent this driver depends on the whim of a boot loader. > > [ykaneko0929@gmail.com: define bit names of registers] > [ykaneko0929@gmail.com: add comment for gen3 only registers] > [ykaneko0929@gmail.com: fix coding style] > [ykaneko0929@gmail.com: update changelog] > [ykaneko0929@gmail.com: gen3: fix initialization of interrupts] > [ykaneko0929@gmail.com: gen3: fix clearing interrupts] > [ykaneko0929@gmail.com: gen3: add helper function for request_irq()] > [ykaneko0929@gmail.com: gen3: remove IRQF_SHARED flag for request_irq()] > [ykaneko0929@gmail.com: revert ravb_close() and ravb_ptp_stop()] > [ykaneko0929@gmail.com: avoid calling free_irq() to non-hooked interrupts] > [ykaneko0929@gmail.com: make NC/BE interrupt handler a function] > [ykaneko0929@gmail.com: make timestamp interrupt handler a function] > [ykaneko0929@gmail.com: timestamp interrupt is handled in multiple > interrupt handler instead of dma queue interrupt handler] > Signed-off-by: Kazuya Mizuguchi > Signed-off-by: Yoshihiro Kaneko > Acked-by: Sergei Shtylyov Applied.