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Sun, 12 Jul 2020 16:55:13 +0000 (GMT) From: Ajay Kumar To: linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org, mark.rutland@arm.com, will@kernel.org Subject: [PATCH 1/4] perf/smmuv3: Remove dependency on CONFIG_ACPI Date: Sun, 12 Jul 2020 22:03:38 +0530 Message-Id: <20200712163341.61410-2-ajaykumar.rs@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200712163341.61410-1-ajaykumar.rs@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpmleLIzCtJLcpLzFFi42LZdlhTS3fKfe54g+2LJC0OvD/IYvFg3jY2 i87ZG9gtNj2+xmqx9PpFJotvx2IsWvceYbc4+OEJq8WRh7vZLbZfbWK1aLlj6sDt8eTgPCaP NfPWMHpc7utl8mg58pbVY9OqTjaPzUvqPfq2rGIMYI/isklJzcksSy3St0vgyvjT/YulYB5b xYkna1kbGLtYuxg5OSQETCS+TLzN3sXIxSEksJtRYtruZjYI5xOjxNQtzSwQzmdGiR09T1lg Wrbv+s8KkdjFKNG7ewYThNPCJHFqxT2wwWwC2hLbpt8E6uDgEBFIlVi5SgGkhlngCKPEocv3 GUFqhAWcJJb1/WUCsVkEVCW2fVjEDGLzCthKfJvWCrVNXmL1hgNgcU4BO4lJK96AbZYQ+Mgu cfFaNxNEkYtEz9e1UA3CEq+Ob2GHsKUkXva3sUM09DNKPL3/hxnCWc0o8eDhBWaIKnuJA1fm gJ3KLKApsX6XPkRYVmLqqXVgC5gF+CR6fz+BWsYrsWMeiM0BZKtJbF3hBxGWkThz8ApUiYdE 1+T/0FCdyCjxuG8r0wRGuVkIGxYwMq5ilEwtKM5NTy02LTDOSy3XK07MLS7NS9dLzs/dxAhO J1reOxgfPfigd4iRiYPxEKMEB7OSCG+0KGe8EG9KYmVValF+fFFpTmrxIUZpDhYlcV6lH2fi hATSE0tSs1NTC1KLYLJMHJxSDUxeimsn8lbM5autO2J6ake0ruf6wOju7P6DZya8vBWwzdG7 Mttk7aH/U7LiPZzYFZ30TFrv9GxhiI26dcJ30crA++V6Mq2VRnv42Gxn55l/SJU4PvmR8s9/ dU+XajxOc7s9iSVv68wl/tcslt+O5z9+xTcp+YNALQurQ/KN+fa9G5+cF+ucqsMx9fvKVe+3 CHQ03nRm01TgDo77bTj59PwsLfXkXfWTN1hv5VvlPuvEir3qa5VnC9zwClt4639zwKXb9++k LbqWW7bUuO3SxuXmqlf+GTxa3tgmtOPs3yd9h271xgWY/Frsd2JGht/SfydbNxzI5G0/LrL/ SvJkuRLp1sV8nPMuJV/y360wsSFUiaU4I9FQi7moOBEAWL6u95YDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrCLMWRmVeSWpSXmKPExsWy7bCSvG6xA3e8wdoF3BYH3h9ksXgwbxub RefsDewWmx5fY7VYev0ik8W3YzEWrXuPsFsc/PCE1eLIw93sFtuvNrFatNwxdeD2eHJwHpPH mnlrGD0u9/UyebQcecvqsWlVJ5vH5iX1Hn1bVjEGsEdx2aSk5mSWpRbp2yVwZfzp/sVSMI+t 4sSTtawNjF2sXYycHBICJhLbd/0Hsrk4hAR2MEosPHqNCSIhI/F8x1MWCFtYYuW/5+wQRU1M Er3NW8CK2AS0JbZNvwlWJCKQKfHn5kk2kCJmgTOMEst/XQdLCAs4SSzr+wvWwCKgKrHtwyJm EJtXwFbi27RWqA3yEqs3HACLcwrYSUxa8QbsPCGgmvbXl1gmMPItYGRYxSiZWlCcm55bbFhg lJdarlecmFtcmpeul5yfu4kRHLBaWjsY96z6oHeIkYmD8RCjBAezkghvtChnvBBvSmJlVWpR fnxRaU5q8SFGaQ4WJXHer7MWxgkJpCeWpGanphakFsFkmTg4pRqYLI6e2fR86ua7iyq5Fhe6 16tZyT9ykLlpVSxvGdfBtLnbVePChuPl7pxTciem7pKQ0nmnPW1T3VPtaxMufDN8oCvMU6Tg +aj2VZR3YOT58JIt/ClXf0jubqhQMXI1e33rbuHCBQxLU8K2HOJ5vFTQRm+Vz843Vut0w3Vz fE9+F3H8z39dovBxypnXhR+MmnMnzko+tXirtdCHw3nXjrQcYs+dnRve9lDkq6QVQ+4ul/Xd 39/aXNROb2VmeSHxXKLE43iGo83aY398/832uKbi/sfn5JSjhVe+3lt+bkGM/uFfJ4of6/wQ qN55b71/zIe8RRMuzZw3OT7t8h+ete+OyLx9wbtGePlr/+XfnHiPcCuxFGckGmoxFxUnAgCj 2GDhxwIAAA== X-CMS-MailID: 20200712165515epcas5p40c387cdd22a336cfb3ae3b2d011fbb6f X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P X-CMS-RootMailID: 20200712165515epcas5p40c387cdd22a336cfb3ae3b2d011fbb6f References: <20200712163341.61410-1-ajaykumar.rs@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200713_001417_496220_D74A58AB X-CRM114-Status: GOOD ( 15.02 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [203.254.224.34 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [203.254.224.34 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: shaik.ameer@samsung.com, nleeder@codeaurora.org, shameerali.kolothum.thodi@huawei.com, Ajay Kumar , alim.akhtar@samsung.com, robin.murphy@arm.com, joro@8bytes.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch removes CONFIG_ACPI dependency for arm_smmuv3_pmu driver so that we can build it on platforms which don't enable ACPI. Signed-off-by: Ajay Kumar --- drivers/perf/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig index a9261cf48293..8c99445a3de0 100644 --- a/drivers/perf/Kconfig +++ b/drivers/perf/Kconfig @@ -55,7 +55,7 @@ config ARM_PMU_ACPI config ARM_SMMU_V3_PMU tristate "ARM SMMUv3 Performance Monitors Extension" - depends on ARM64 && ACPI && ARM_SMMU_V3 + depends on ARM64 && ARM_SMMU_V3 help Provides support for the ARM SMMUv3 Performance Monitor Counter Groups (PMCG), which provide monitoring of transactions passing From patchwork Sun Jul 12 16:33:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Kumar X-Patchwork-Id: 11658673 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8ED2A722 for ; Mon, 13 Jul 2020 04:14:34 +0000 (UTC) Received: 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signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: shaik.ameer@samsung.com, nleeder@codeaurora.org, shameerali.kolothum.thodi@huawei.com, Ajay Kumar , alim.akhtar@samsung.com, robin.murphy@arm.com, joro@8bytes.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch adds devicetree binding for perf/arm_smmuv3_pmu driver. Signed-off-by: Ajay Kumar --- .../bindings/perf/arm-smmu-v3-pmcg.txt | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/perf/arm-smmu-v3-pmcg.txt diff --git a/Documentation/devicetree/bindings/perf/arm-smmu-v3-pmcg.txt b/Documentation/devicetree/bindings/perf/arm-smmu-v3-pmcg.txt new file mode 100644 index 000000000000..a20fe68ce149 --- /dev/null +++ b/Documentation/devicetree/bindings/perf/arm-smmu-v3-pmcg.txt @@ -0,0 +1,21 @@ +* ARM SMMU V3 PMCG + +Required properties: + +- compatible: should be "arm-smmu-v3-pmu" + +- reg: (standard registers property) physical address and size + of the performance counters registers block. + If Page 1 is present, specify the same. + +- interrupts: (standard interrupt property) single interrupt + generated by the SMMU PMU control block + +Example: + + pmcg@20002000 { + compatible = "arm-smmu-v3-pmu"; + reg = <0x0 0x20002000 0x0 0x1000>, + <0x0 0x20022000 0x0 0xE00>; /* Page 1 */ + interrupts = <0 181 4>; 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Sun, 12 Jul 2020 16:55:22 +0000 (GMT) From: Ajay Kumar To: linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org, mark.rutland@arm.com, will@kernel.org Subject: [PATCH 3/4] perf/smmuv3: add device tree support Date: Sun, 12 Jul 2020 22:03:40 +0530 Message-Id: <20200712163341.61410-4-ajaykumar.rs@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200712163341.61410-1-ajaykumar.rs@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpgleLIzCtJLcpLzFFi42LZdlhTXVfvPne8wZuZYhYH3h9ksXgwbxub RefsDewWmx5fY7VYev0ik8W3YzEWrXuPsFsc/PCE1eLIw93sFtuvNrFatNwxdeD2eHJwHpPH mnlrGD0u9/UyebQcecvqsWlVJ5vH5iX1Hn1bVjEGsEdx2aSk5mSWpRbp2yVwZSxftYGx4B9b xaHNnWwNjC9Zuxg5OSQETCR+zO0Fs4UEdjNK3JqcA2F/YpRYcdqyi5ELyP7MKPGpax8TTMPZ q+tYIBK7GCU2b5/EDuG0MEkc2rqEHaSKTUBbYtv0m0BVHBwiAqkSK1cpgNQwCxxhlDh0+T4j SI2wgKXE+Scz2EBsFgFViYfPzoDFeQVsJRb1LYE6T15i9YYDzCA2p4CdxKQVb1hBBkkIfGWX +LaiBWyBhICLRGezIkS9sMSr41vYIWwpiZf9bewQ9f2MEk/v/2GGcFYzSjx4eIEZospe4sCV OWCDmAU0Jdbv0ocIy0pMPbUO7GVmAT6J3t9PoN7nldgxD8QG2asmsXWFH0RYRuLMwStQJR4S S9dOZYYEykRGieO939gmMMrNQtiwgJFxFaNkakFxbnpqsWmBUV5quV5xYm5xaV66XnJ+7iZG cCLR8trB+PDBB71DjEwcjIcYJTiYlUR4o0U544V4UxIrq1KL8uOLSnNSiw8xSnOwKInzKv04 EyckkJ5YkpqdmlqQWgSTZeLglGpganOSbJvgOGnLoYo2hthF7/K+WmspePKUa3rUukY2NuYK lk9crP2zZl/FqqPmZj8VJbc/rNhgqXeHma2R4/ezmPd3J9Q71/5qNkqU6vq11cHxUI5P/cH8 LOZHv6qc7C7o/XHVPWzWbGpVW5fh/nDDiQP1K+/GdN+6sSfmtntbiZjQvqnuXMKqT9/Lv7t6 ROtI57b6+ccyZzL+s9m33G7TcrlfM3cscQw8o5tw7NzmH716d8teRO7bu7+ZpWXXgW3GPD3e r06I1du82bnAXPdU8ULFCXc6FI3ObeSedL1XZaPJ2tuNAq83S8WdrNi5cdkx1+DF3MdijjWt Yz3APLn0WE7Rmxlt9YUOZ8oydBOPKrEUZyQaajEXFScCALKfWKSTAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrCLMWRmVeSWpSXmKPExsWy7bCSvG6NA3e8wbufXBYH3h9ksXgwbxub RefsDewWmx5fY7VYev0ik8W3YzEWrXuPsFsc/PCE1eLIw93sFtuvNrFatNwxdeD2eHJwHpPH mnlrGD0u9/UyebQcecvqsWlVJ5vH5iX1Hn1bVjEGsEdx2aSk5mSWpRbp2yVwZSxftYGx4B9b xaHNnWwNjC9Zuxg5OSQETCTOXl3H0sXIxSEksINR4ublFUwQCRmJ5zueskDYwhIr/z1nhyhq YpLoXfeUESTBJqAtsW36TbAiEYFMiT83T7KBFDELnGGUWP7rOlhCWMBS4vyTGWwgNouAqsTD Z2fAmnkFbCUW9S2BOkNeYvWGA8wgNqeAncSkFW/A4kJANe2vL7FMYORbwMiwilEytaA4Nz23 2LDAKC+1XK84Mbe4NC9dLzk/dxMjOGC1tHYw7ln1Qe8QIxMH4yFGCQ5mJRHeaFHOeCHelMTK qtSi/Pii0pzU4kOM0hwsSuK8X2ctjBMSSE8sSc1OTS1ILYLJMnFwSjUwLQhstpnefEex4uX8 jUc8NUonzF2Rx3t2QtWNi7c4pmx117z+2W3qoa3rvqR/+fNSmL28aVJZ0HdbBzNBLoszzonK N69snBD3dfnuSOvbB44mzN7hue/7/qDW3n5dxy0bXjsJT3g8x3XWI9mFx1efrQrdKZu/u9d2 wqo72zcXMBaJ+KvN+/zgRgPLiw8T+53nLtmfuih6Fovr4l873l32jX6tzSb7u+mNo/WLqVe3 SDY3rHK7P8VmB4fXh++fc3UfaLamJL2aJpissPBsSmbr2bsLJjzkSenZKLMsa96GFZoTzBbu PtDF8mGF80Pee5vO8vxz4NF2lWSo5ywWv79pkcHBD35+C0+UT35zq2wWa+QjJZbijERDLeai 4kQAmlMB/ccCAAA= X-CMS-MailID: 20200712165524epcas5p1a57d969a3e48a67731530437d559d560 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P X-CMS-RootMailID: 20200712165524epcas5p1a57d969a3e48a67731530437d559d560 References: <20200712163341.61410-1-ajaykumar.rs@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200713_001235_143654_F217F084 X-CRM114-Status: GOOD ( 17.54 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [203.254.224.24 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [203.254.224.24 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: shaik.ameer@samsung.com, nleeder@codeaurora.org, shameerali.kolothum.thodi@huawei.com, Ajay Kumar , alim.akhtar@samsung.com, robin.murphy@arm.com, joro@8bytes.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add a OF match table with compatible string to add device tree support onto arm_smmuv3_pmu driver. Signed-off-by: Ajay Kumar --- drivers/perf/arm_smmuv3_pmu.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c index 48e28ef93a70..25feab718c20 100644 --- a/drivers/perf/arm_smmuv3_pmu.c +++ b/drivers/perf/arm_smmuv3_pmu.c @@ -856,9 +856,15 @@ static void smmu_pmu_shutdown(struct platform_device *pdev) smmu_pmu_disable(&smmu_pmu->pmu); } +static const struct of_device_id arm_smmu_pmu_match[] = { + { .compatible = "arm-smmu-v3-pmu", }, + {}, +}; + static struct platform_driver smmu_pmu_driver = { .driver = { .name = "arm-smmu-v3-pmcg", + .of_match_table = arm_smmu_pmu_match, }, .probe = smmu_pmu_probe, .remove = smmu_pmu_remove, From patchwork Sun Jul 12 16:33:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Kumar X-Patchwork-Id: 11658669 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by 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epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id A9.40.08382.F704B0F5; Mon, 13 Jul 2020 01:55:27 +0900 (KST) Received: from Jaguar.sa.corp.samsungelectronics.net (unknown [107.108.73.139]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20200712165526epsmtip2770a29f35f02167aaa8012942d999972~hD6DDUCMn1460814608epsmtip2i; Sun, 12 Jul 2020 16:55:26 +0000 (GMT) From: Ajay Kumar To: linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org, mark.rutland@arm.com, will@kernel.org Subject: [PATCH 4/4] perf/smmuv3: fix crash when platdata not specified Date: Sun, 12 Jul 2020 22:03:41 +0530 Message-Id: <20200712163341.61410-5-ajaykumar.rs@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200712163341.61410-1-ajaykumar.rs@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpgleLIzCtJLcpLzFFi42LZdlhTU1f0Pne8wVMFiwPvD7JYPJi3jc2i c/YGdotNj6+xWiy9fpHJ4tuxGIvWvUfYLQ5+eMJqceThbnaL7VebWC1a7pg6cHs8OTiPyWPN 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SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: shaik.ameer@samsung.com, nleeder@codeaurora.org, shameerali.kolothum.thodi@huawei.com, Ajay Kumar , alim.akhtar@samsung.com, robin.murphy@arm.com, joro@8bytes.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The arm_smmuv3_pmu driver assumes platform data is always available and exposes a possible NULL pointer deferencing at the below line. model = *(u32 *)dev_get_platdata(smmu_pmu->dev); This patch fixes the bug by adding a check prior to the deferencing of the platform data pointer. Signed-off-by: Ajay Kumar --- drivers/perf/arm_smmuv3_pmu.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c index 25feab718c20..f7a27ae2f8d8 100644 --- a/drivers/perf/arm_smmuv3_pmu.c +++ b/drivers/perf/arm_smmuv3_pmu.c @@ -710,9 +710,10 @@ static void smmu_pmu_reset(struct smmu_pmu *smmu_pmu) static void smmu_pmu_get_acpi_options(struct smmu_pmu *smmu_pmu) { - u32 model; + u32 model = 0; - model = *(u32 *)dev_get_platdata(smmu_pmu->dev); + if (dev_get_platdata(smmu_pmu->dev)) + model = *(u32 *)dev_get_platdata(smmu_pmu->dev); switch (model) { case IORT_SMMU_V3_PMCG_HISI_HIP08: