From nobody Thu Apr 2 23:55:49 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6BD4A22FE11; Thu, 26 Mar 2026 02:19:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774491575; cv=none; b=PVTEOENFE5EM5MzERmdolPK4ZaPlmUygkm/YLEPr2dKNGlJfefVd19SzZiwh2lTw5s25FItyWNtJfrUIZ/ZEMewiO+cKqAAeuP+wW7oBo6hmzT8wYsTmUZcbJdpmbTXygQ3zIYYUBTRo26a5wPdThIN4sLSQewLl+BynTT95aAY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774491575; c=relaxed/simple; bh=wdQ5OAKNDtYk+nI8mmrz94DUBWcTxmQRzCeugry/HTw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=qYBttsHj8o/kxJmMKCkrw0bhfXyYoF4XPQRGd1+3n9+o8w/qO4knbNUsYK4yL3XeU4FR8u+X/sslWg9E9vo+AdXuFMT8ap1nUkkFZX9/9UaAfF/Rhobo5tKn25BOxPVW0SxEUen9AAHXTb1x0kqJowxbo7p9dhDnBtlaKuurxTA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=trNh3E+M; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="trNh3E+M" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63037C4CEF7; Thu, 26 Mar 2026 02:19:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774491575; bh=wdQ5OAKNDtYk+nI8mmrz94DUBWcTxmQRzCeugry/HTw=; h=From:Date:Subject:To:Cc:From; b=trNh3E+M3EZEDmKFspTPGDVZOD5GffWvEVPc0yZwY+cwzWBDy1jNxDZNrVZVHSqXX G8ddTG57cPANTd6PoBfR5iW4r4rpHChT8hy9DEwFzIKMmkAe4Kwqwd/KFkDJoQb1d7 JKuT+hoScC11I58vVIEEZpWBpv/oNiG3GS+ahkMksN054zYHSC2DXSgzDxNj6knniG UONkU5Ya2865vpNVFEh8+S1KRTjIHhm4UKwqqr3A+FOmtlr+vzKqpb2SIyFAjrFqyI q7zFYI9rUBaMqgDjAF7D+7bzquetqMA1ERAfuzHC+jqQMYBrzf/XTr6AHOSVuATj6e WNqR16vd/HsmQ== From: Nathan Chancellor Date: Wed, 25 Mar 2026 19:19:26 -0700 Subject: [PATCH] perf/arm-cmn: Fix resource_size_t printk specifier in arm_cmn_init_dtc() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260325-perf-arm-cmn-fix-resource_size_t-format-v1-1-e84d52ee3e81@kernel.org> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/yXN0QrCMAyF4VcZuTbQbayiryIyuppqhLYj6YY49 u5Wvfzg8J8NlIRJ4dxsILSyck4V7aEB/3DpTsi3auhMZ03fDTiTBHQS0ceEgV8opHkRT6Pym8a CIUt0BSfTHk8D9ZasgVqbher693S5/q3L9CRfvnnY9w/Y7uijiwAAAA== X-Change-ID: 20260325-perf-arm-cmn-fix-resource_size_t-format-b01795e36e60 To: Robin Murphy , Will Deacon , Mark Rutland , Ilkka Koskinen Cc: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Nathan Chancellor X-Mailer: b4 0.16-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=2217; i=nathan@kernel.org; h=from:subject:message-id; bh=wdQ5OAKNDtYk+nI8mmrz94DUBWcTxmQRzCeugry/HTw=; b=owGbwMvMwCUmm602sfCA1DTG02pJDJlHpm+dYHRTaMfKAys51LrvbbF/u8Xw2cVD1u1ywfvrd v7Xv/jpb0cpC4MYF4OsmCJL9WPV44aGc84y3jg1CWYOKxPIEAYuTgGYyOv7DP/D9udPLzm89XL6 w+frswLD1rPHGd3f/j838pKL/YdugYePGf6KPkhVuz9p6orPvds8ep6INLIoyp9iPqe9ry1//sE JXSGsAA== X-Developer-Key: i=nathan@kernel.org; a=openpgp; fpr=2437CB76E544CB6AB3D9DFD399739260CB6CB716 When building for 32-bit ARM, there is a warning when using the %llx specifier to print a resource_size_t variable: drivers/perf/arm-cmn.c: In function 'arm_cmn_init_dtc': drivers/perf/arm-cmn.c:2149:73: error: format '%llx' expects argument of = type 'long long unsigned int', but argument 4 has type 'resource_size_t' {a= ka 'unsigned int'} [-Werror=3Dformat=3D] 2149 | "Failed to request DTC regio= n 0x%llx\n", base); | = ~~~^ ~~~~ | = | | | = | resource_size_t {aka unsigned int} | = long long unsigned int | = %x Use the %pa specifier to handle the possible sizes of phys_addr_t properly. This requires passing the variable by reference. Fixes: 5394396ff548 ("perf/arm-cmn: Stop claiming entire iomem region") Signed-off-by: Nathan Chancellor Reviewed-by: Robin murphy --- drivers/perf/arm-cmn.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c index 1ac91cda6780..5c727c2abaf0 100644 --- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -2146,7 +2146,7 @@ static int arm_cmn_init_dtc(struct arm_cmn *cmn, stru= ct arm_cmn_node *dn, int id size =3D cmn->part =3D=3D PART_CMN600 ? SZ_16K : SZ_64K; if (!devm_request_mem_region(cmn->dev, base, size, dev_name(cmn->dev))) return dev_err_probe(cmn->dev, -EBUSY, - "Failed to request DTC region 0x%llx\n", base); + "Failed to request DTC region 0x%pa\n", &base); =20 writel_relaxed(CMN_DT_DTC_CTL_DT_EN, dtc->base + CMN_DT_DTC_CTL); writel_relaxed(CMN_DT_PMCR_PMU_EN | CMN_DT_PMCR_OVFL_INTR_EN, CMN_DT_PMCR= (dtc)); --- base-commit: 2f89b7f78c50ca973ca035ceb30426f78d9e0996 change-id: 20260325-perf-arm-cmn-fix-resource_size_t-format-b01795e36e60 Best regards, -- =20 Nathan Chancellor