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[109.217.237.144]) by smtp.gmail.com with ESMTPSA id l12sm9766435wrm.76.2021.05.02.13.31.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 May 2021 13:31:23 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v2 0/3] hw: Fix reset of bus-less devices Date: Sun, 2 May 2021 22:31:18 +0200 Message-Id: <20210502203121.630944-1-f4bug@amsat.org> X-Mailer: git-send-email 2.26.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x431.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.248, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Peter Maydell , qemu-block@nongnu.org, Mark Cave-Ayland , Markus Armbruster , Max Reitz , qemu-arm@nongnu.org, =?UTF-8?q?Herv=C3=A9=20Poussineau?= , qemu-ppc@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi,=0D =0D This series is the result of a code audit of the DeviceClass::reset()=0D method uses, having Markus following explanation in mind [1]:=0D =0D "Propagating reset from the root of the qtree to the leaves=0D won't reach a bus-less device, because the qtree contains=0D only the devices that plug into a qbus."=0D =0D Which is a resumed of what Peter said earlier in the thread [2].=0D =0D Since v1:=0D - removed spapr_iommu patch (2 different reset is intentional)=0D - removed microdrive patch (pcmcia cards should plug into a bus)=0D - use device_cold_reset() instead of device_legacy_reset=0D - use ResettableClass instead of deprecated DeviceClass::reset=0D =0D (patch changed -> not carrying David A-b tag)=0D =0D Philippe Mathieu-Daud=C3=A9 (3):=0D hw/block/nand: Register machine reset handler=0D hw/pci-host/raven: Manually reset the OR_IRQ device=0D hw/arm/armsse: Manually reset the OR_IRQ devices=0D =0D hw/arm/armsse.c | 4 ++++=0D hw/block/nand.c | 14 ++++++++++++++=0D hw/pci-host/prep.c | 11 +++++++++++=0D 3 files changed, 29 insertions(+)=0D =0D -- =0D 2.26.3=0D =0D