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Mon, 2 Dec 2019 17:49:57 +0800 From: James Tai To: =?utf-8?B?QW5kcmVhcyBGw6RyYmVy?= , "linux-realtek-soc@lists.infradead.org" Subject: RE: [PATCH 2/7] arm64: dts: realtek: rtd129x: Use reserved-memory for RPC regions Thread-Topic: [PATCH 2/7] arm64: dts: realtek: rtd129x: Use reserved-memory for RPC regions Thread-Index: AQHVmDzfamWec3ddWkiVVX1ELT676KemGsuAgACXBLA= Date: Mon, 2 Dec 2019 09:49:56 +0000 Message-ID: References: <20191111030434.29977-1-afaerber@suse.de> <20191111030434.29977-3-afaerber@suse.de> <1f25f2fc-5d31-1d74-b730-78ad7861ffce@suse.de> In-Reply-To: <1f25f2fc-5d31-1d74-b730-78ad7861ffce@suse.de> Accept-Language: zh-TW, en-US Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.21.190.187] MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191202_095445_851598_24D51F55 X-CRM114-Status: GOOD ( 12.35 ) 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: Mark Rutland , "devicetree@vger.kernel.org" , Rob Herring , "linux-kernel@vger.kernel.org" , "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+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Andreas, > > /memreserve/ 0x0000000000000000 0x0000000000030000; > > -/memreserve/ 0x000000000001f000 0x0000000000001000; > > /memreserve/ 0x0000000000030000 0x00000000000d0000; > > /memreserve/ 0x0000000001b00000 0x00000000004be000; > > -/memreserve/ 0x0000000001ffe000 0x0000000000004000; > > > > #include > > #include > > @@ -19,6 +17,25 @@ > > #address-cells = <1>; > > #size-cells = <1>; > > > > + reserved-memory { > > + #address-cells = <1>; > > + #size-cells = <1>; > > + ranges; > > + > > + rpc_comm: rpc@1f000 { > > + reg = <0x1f000 0x1000>; > > + }; > > + > > + rpc_ringbuf: rpc@1ffe000 { > > + reg = <0x1ffe000 0x4000>; > > + }; > > Have you reviewed this patch to be correct? I.e., are the above two regions > reserved RAM (assumption above), or is this rather MMIO shadowing RAM? > (then we would need to update the /memory reg and /soc ranges properties) > > That also affects RTD1619, which currently has neither. > The RPC common buffer and RPC ring buffer address is correct. Regards, James _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel