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[176.171.218.149]) by smtp.gmail.com with ESMTPSA id d8-20020a5d5388000000b0032da8fb0d05sm2096419wrv.110.2023.10.18.06.31.01 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 18 Oct 2023 06:31:02 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: David Gibson , =?utf-8?b?RnLDqWTDqXJpYyBC?= =?utf-8?b?YXJyYXQ=?= , =?utf-8?q?C=C3=A9dric_Le_Goat?= =?utf-8?q?er?= , Harsh Prateek Bora , Nicholas Piggin , Daniel Henrique Barboza , qemu-ppc@nongnu.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH 0/6] hw/ppc: SysBus simplifications Date: Wed, 18 Oct 2023 15:30:53 +0200 Message-ID: <20231018133059.85765-1-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::436; envelope-from=philmd@linaro.org; helo=mail-wr1-x436.google.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 Hi, There is no point in exposing an internal MMIO region via SysBus and directly mapping it in the very same device. This series replaces a sequence of: - sysbus_init_mmio() - sysbus_mmio_map() by a single call to memory_region_add_subregion(). Philippe Mathieu-Daudé (6): hw/ppc/pnv_xscom: Rename pnv_xscom_realize(Error **) -> pnv_xscom_init() hw/ppc/pnv_xscom: Move sysbus_mmio_map() call within pnv_xscom_init() hw/ppc/pnv_xscom: Do not use SysBus API to map local MMIO region hw/ppc/pnv: Do not use SysBus API to map local MMIO region hw/intc/spapr_xive: Move sysbus_init_mmio() calls around hw/intc/spapr_xive: Do not use SysBus API to map local MMIO region include/hw/ppc/pnv_xscom.h | 2 +- hw/intc/spapr_xive.c | 12 ++++++------ hw/ppc/pnv.c | 26 +++++--------------------- hw/ppc/pnv_xscom.c | 5 ++--- 4 files changed, 14 insertions(+), 31 deletions(-) Reviewed-by: Richard Henderson Reviewed-by: LIU Zhiwei