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bh=DjmDhdIPKiTCR/s4ZyAOgOa2CyXAu08wFzTTJSSl+XM=; b=gtdprj6CAIlJ4dUQuXCukSAt1VONMYpv/DxJfqeXjaH63QbbJiEFJkonuL/y9KfOVUKIsr/NrY5NRaT2Fdoz9tmlBHLt8j0fn9XJUr9mF55IcYDCm4u9mU6GbRM/WC3JmYVn9lulmXtdzTQgDJ7XHdVUjsJN2L2L19YF1NOD2dlH9LSOrg50PW6dcGZ1ylDc7TGKp//qYf/kfAdz4xKSta87SEYVMA6gGfDZkiGBcnenCnm9/AZsQWbLV99rZEeSdgb3ZkVFB7TgC3Wn94/p79YXZT1rlU1JbVa7un5co9gGbmjNtrGuN24NvdFLniDDhcp1gx8ZI6k+yXAg6sgLow== From: Jamin Lin To: Paolo Bonzini , Peter Maydell , =?iso-8859-1?Q?C=E9dric_Le_Goater?= , Steven Lee , Troy Lee , Andrew Jeffery , Joel Stanley , =?iso-8859-1?Q?Marc-Andr=E9_Lureau?= , =?iso-8859-1?Q?Daniel_P=2E_Berrang=E9?= , =?iso-8859-1?Q?Philippe_Mathieu-Daud=E9?= , "open list:All patches CC here" , "open list:ARM TCG CPUs" CC: Jamin Lin , Troy Lee , Kane Chen , "nabihestefan@google.com" , Joe Komlodi , Patrick Venture Subject: [PATCH v4 09/20] hw/i3c/dw-i3c: Treat more registers as read-as-zero Thread-Topic: [PATCH v4 09/20] hw/i3c/dw-i3c: Treat more registers as read-as-zero Thread-Index: AQHcmaTOcf1prTZbPkebu8PqhLX+4w== Date: Mon, 9 Feb 2026 09:16:43 +0000 Message-ID: <20260209091629.823457-10-jamin_lin@aspeedtech.com> References: <20260209091629.823457-1-jamin_lin@aspeedtech.com> In-Reply-To: <20260209091629.823457-1-jamin_lin@aspeedtech.com> Accept-Language: zh-TW, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=aspeedtech.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a01:111:f403:c405::5; envelope-from=jamin_lin@aspeedtech.com; helo=TYPPR03CU001.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @aspeedtech.com) X-ZM-MESSAGEID: 1770628815563158500 Content-Type: text/plain; charset="utf-8" RESET_CTRL and INTR_FORCE are write-only. Signed-off-by: Joe Komlodi Reviewed-by: Patrick Venture Reviewed-by: Jamin Lin Signed-off-by: Jamin Lin --- hw/i3c/dw-i3c.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/i3c/dw-i3c.c b/hw/i3c/dw-i3c.c index 02fa9b3c00..e20244de2c 100644 --- a/hw/i3c/dw-i3c.c +++ b/hw/i3c/dw-i3c.c @@ -342,7 +342,10 @@ static uint64_t dw_i3c_read(void *opaque, hwaddr offse= t, unsigned size) uint64_t value; =20 switch (addr) { + /* RAZ */ case R_COMMAND_QUEUE_PORT: + case R_RESET_CTRL: + case R_INTR_FORCE: value =3D 0; break; default: --=20 2.43.0