From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f52.google.com (mail-ot1-f52.google.com [209.85.210.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 11F352C8B for ; Sun, 7 Nov 2021 22:53:38 +0000 (UTC) Received: by mail-ot1-f52.google.com with SMTP id p11-20020a9d4e0b000000b0055a5741bff7so22788507otf.2 for ; Sun, 07 Nov 2021 14:53:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=usp.br; s=usp-google; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :content-transfer-encoding; bh=jm4HkC4WuEFuj0T0GbogyNYTH9ILCYVGsH89yM0+sVY=; b=un0ROogmycQPFx5MqbulloXygKairZ+6ICrLoIPL2vYLlsh789nazo6Hsv2mzEp9si KxsA2GvDQwJ1CyowwYEETVMYITQwhBWuAm3qQK4mf1aJAaNttM9T7LG0qRfer46RBS73 4agnUB02PckB5CFsfjvJFJbR34Uuy1nZK8Pqn/daNB8SX5IJA/LGNmzDxi4IMbeDlyiK TECXtEA50ld1oexOL7TBN9Rkd/sqAN3UJjwQPu1x4ILChGrpIuyJicdLF0ScWXMNEW+v taJxAHI4D5Aw0ZUbUtiFlVenJMm3qLYvN3Q9ImTAHcDBa2oDSkdy0pWNwOOGrtIghQM+ BDFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:content-transfer-encoding; bh=jm4HkC4WuEFuj0T0GbogyNYTH9ILCYVGsH89yM0+sVY=; b=DXU2jywBySWVznOA4W1f5Lzie/dvf5nURu6ZpRrEaOwhQSVeQYigx12O/51u7KSxeL +4L1RBr+fHFurBZ36ENjFL+AMAlD/etBef5pKj4K7D2zoM58vOkIjqdVwmu4ZU2sjh67 5DKHvk/SUhKCWfn2YqrLq62za6hocvdWKMkRZoWzHcA2xUmXD9lNmf9bJ6+pcS7qqwVY LFrVX7qT524hjNFHJ0tMawVCFtQHc5/TD9DlfMxJsyByaUCl/6RPx5T4Mnf9pneXzqar hUpHowK4ur8wJmAd+tTJOTPCdRfU4EBIDkVTOup1VHK5w6rdJVqOeJ38Z3B/Hf9sAg2x kRDQ== X-Gm-Message-State: AOAM532S/uo//meP8bZ+tgE3bSwQPZdxDK1rs9miluPiV/LOurGQCh/f 4XUVbeBN97IoiRL+L+XNYxe3dw== X-Google-Smtp-Source: ABdhPJysbhbn4/+ndMMNZXqbf3gQjWDNDbQttUiUK/XLCQDWvKwg4RdzkreaUtPvwYgM+hv/FRLoRw== X-Received: by 2002:a9d:2f42:: with SMTP id h60mr10652072otb.159.1636325617800; Sun, 07 Nov 2021 14:53:37 -0800 (PST) Received: from fedora ([187.64.134.142]) by smtp.gmail.com with ESMTPSA id r22sm1841169oij.36.2021.11.07.14.53.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Nov 2021 14:53:37 -0800 (PST) Date: Sun, 7 Nov 2021 19:53:32 -0300 From: =?iso-8859-1?Q?Ma=EDra?= Canal To: dwmw2@infradead.org, baolu.lu@linux.intel.com, joro@8bytes.org, will@kernel.org, nathan@kernel.org, ndesaulniers@google.com Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH] iommu/vt-d: Remove unused dma_to_mm_pfn function Message-ID: Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit Remove dma_to_buf_pfn function, which is not used in the codebase. This was pointed by clang with the following warning: drivers/iommu/intel/iommu.c:136:29: warning: unused function 'dma_to_mm_pfn' [-Wunused-function] static inline unsigned long dma_to_mm_pfn(unsigned long dma_pfn) ^ Signed-off-by: Maíra Canal --- drivers/iommu/intel/iommu.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 0bde0c8b4126..35300b5b69f7 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -133,11 +133,6 @@ static inline unsigned long lvl_to_nr_pages(unsigned int lvl) /* VT-d pages must always be _smaller_ than MM pages. Otherwise things are never going to work. */ -static inline unsigned long dma_to_mm_pfn(unsigned long dma_pfn) -{ - return dma_pfn >> (PAGE_SHIFT - VTD_PAGE_SHIFT); -} - static inline unsigned long mm_to_dma_pfn(unsigned long mm_pfn) { return mm_pfn << (PAGE_SHIFT - VTD_PAGE_SHIFT); -- 2.31.1