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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id j75sm2290342oih.10.2020.10.07.09.45.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Oct 2020 09:45:56 -0700 (PDT) Received: (nullmailer pid 359382 invoked by uid 1000); Wed, 07 Oct 2020 16:45:55 -0000 Date: Wed, 7 Oct 2020 11:45:55 -0500 From: Rob Herring To: Kunihiko Hayashi Subject: Re: [PATCH v7 3/3] PCI: uniphier: Add misc interrupt handler to invoke PME and AER Message-ID: <20201007164555.GA359326@bogus> References: <1599816814-16515-1-git-send-email-hayashi.kunihiko@socionext.com> <1599816814-16515-4-git-send-email-hayashi.kunihiko@socionext.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1599816814-16515-4-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201007_124558_488253_C33710A8 X-CRM114-Status: GOOD ( 13.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lorenzo Pieralisi , Masami Hiramatsu , Jingoo Han , Gustavo Pimentel , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Jassi Brar , Marc Zyngier , Bjorn Helgaas , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, 11 Sep 2020 18:33:34 +0900, Kunihiko Hayashi wrote: > This patch adds misc interrupt handler to detect and invoke PME/AER event. > > In UniPhier PCIe controller, PME/AER signals are assigned to the same > signal as MSI by the internal logic. These signals should be detected by > the internal register, however, DWC MSI handler can't handle these signals. > > DWC MSI handler calls .msi_host_isr() callback function, that detects > PME/AER signals with the internal register and invokes the interrupt > with PME/AER vIRQ numbers. > > These vIRQ numbers is obtained from portdrv in uniphier_add_pcie_port() > function. > > Cc: Marc Zyngier > Cc: Jingoo Han > Cc: Gustavo Pimentel > Cc: Lorenzo Pieralisi > Signed-off-by: Kunihiko Hayashi > --- > drivers/pci/controller/dwc/pcie-uniphier.c | 77 +++++++++++++++++++++++++----- > 1 file changed, 66 insertions(+), 11 deletions(-) > Reviewed-by: Rob Herring _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel