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([78.10.207.130]) by smtp.gmail.com with ESMTPSA id a8-20020a170906670800b00a3ce3c5b2a4sm1592942ejp.195.2024.02.16.06.40.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Feb 2024 06:40:31 -0800 (PST) From: Krzysztof Kozlowski To: Hector Martin , Sven Peter , Alyssa Rosenzweig , Joerg Roedel , Will Deacon , Robin Murphy , Rob Clark , Marek Szyprowski , Krzysztof Kozlowski , Alim Akhtar , Bjorn Andersson , Konrad Dybcio , Yong Wu , Matthias Brugger , AngeloGioacchino Del Regno , Heiko Stuebner , Orson Zhai , Baolin Wang , Chunyan Zhang , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Thierry Reding , Krishna Reddy , Jonathan Hunter , Jean-Philippe Brucker , asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, virtualization@lists.linux.dev Subject: [PATCH 1/4] iommu: constify pointer to bus_type Date: Fri, 16 Feb 2024 15:40:24 +0100 Message-Id: <20240216144027.185959-1-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Make pointer to bus_type a pointer to const for code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Lu Baolu --- drivers/iommu/iommu-priv.h | 5 +++-- drivers/iommu/iommu.c | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/iommu-priv.h b/drivers/iommu/iommu-priv.h index 2024a2313348..5f731d994803 100644 --- a/drivers/iommu/iommu-priv.h +++ b/drivers/iommu/iommu-priv.h @@ -21,10 +21,11 @@ int iommu_group_replace_domain(struct iommu_group *group, struct iommu_domain *new_domain); int iommu_device_register_bus(struct iommu_device *iommu, - const struct iommu_ops *ops, struct bus_type *bus, + const struct iommu_ops *ops, + const struct bus_type *bus, struct notifier_block *nb); void iommu_device_unregister_bus(struct iommu_device *iommu, - struct bus_type *bus, + const struct bus_type *bus, struct notifier_block *nb); #endif /* __LINUX_IOMMU_PRIV_H */ diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index d14413916f93..170329a085b8 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -291,7 +291,7 @@ EXPORT_SYMBOL_GPL(iommu_device_unregister); #if IS_ENABLED(CONFIG_IOMMUFD_TEST) void iommu_device_unregister_bus(struct iommu_device *iommu, - struct bus_type *bus, + const struct bus_type *bus, struct notifier_block *nb) { bus_unregister_notifier(bus, nb); @@ -305,7 +305,8 @@ EXPORT_SYMBOL_GPL(iommu_device_unregister_bus); * some memory to hold a notifier_block. */ int iommu_device_register_bus(struct iommu_device *iommu, - const struct iommu_ops *ops, struct bus_type *bus, + const struct iommu_ops *ops, + const struct bus_type *bus, struct notifier_block *nb) { int err;