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Thu, 30 Mar 2023 18:01:43 -0700 (PDT) Date: Fri, 31 Mar 2023 01:01:21 +0000 In-Reply-To: <20230331010131.1412571-1-komlodi@google.com> Mime-Version: 1.0 References: <20230331010131.1412571-1-komlodi@google.com> X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog Message-ID: <20230331010131.1412571-7-komlodi@google.com> Subject: [PATCH 06/16] hw/i3c/aspeed_i3c: Treat more registers as read-as-zero From: Joe Komlodi To: qemu-devel@nongnu.org Cc: venture@google.com, komlodi@google.com, peter.maydell@linaro.org Received-SPF: pass client-ip=2607:f8b0:4864:20::104a; envelope-from=39zAmZAcKChoAECBE386EE6B4.2ECG4CK-34L4BDED6DK.EH6@flex--komlodi.bounces.google.com; helo=mail-pj1-x104a.google.com X-Spam_score_int: -95 X-Spam_score: -9.6 X-Spam_bar: --------- X-Spam_report: (-9.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org RESET_CTRL and INTR_FORCE are write-only. Signed-off-by: Joe Komlodi Reviewed-by: Patrick Venture --- hw/i3c/aspeed_i3c.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/i3c/aspeed_i3c.c b/hw/i3c/aspeed_i3c.c index 6f514bef5e..79715f462d 100644 --- a/hw/i3c/aspeed_i3c.c +++ b/hw/i3c/aspeed_i3c.c @@ -420,7 +420,10 @@ static uint64_t aspeed_i3c_device_read(void *opaque, hwaddr offset, uint64_t value; switch (addr) { + /* RAZ */ case R_COMMAND_QUEUE_PORT: + case R_RESET_CTRL: + case R_INTR_FORCE: value = 0; break; default: