From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AD0C0C4167D for ; Wed, 8 Nov 2023 15:11:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=SyeDFCIAX9kPeURHeE+85dw0OUA5YL55iBJKJFSPuPc=; b=ERnMC4mM2e3dQjKg7hiFGaMk+I gaMXnksNwpw0dxfqcazvtu78vkVFTMVqmzGAEeyoMsy83VkUMytHG11cJan07VxXQtii27sv7NFsW Ko1ZYyhehm05fsfYW250rAJHJe2HHby52mcprcqarNV5y4fTjcD9EtQtXaIXIQgO2neObmMijgMoO vgq9G98kc7aWJChqx6KAcnH5PRX8BoTcPxkH0tkzyFa82oGk5Wc+TmwIFP6y2T1E0MJcfvs/mx3Cu yvuz8kUBPdAAZx6MGR6cWfzaaFAsFqq3oBfyIrAV+V8j7KbjjOeR178wjzFpo2v/t1cuDT7tAT4X1 0k/OstNw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r0kDP-004A0A-1i; Wed, 08 Nov 2023 15:11:35 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r0kDL-0049wg-2j; Wed, 08 Nov 2023 15:11:33 +0000 Received: from [100.116.125.19] (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: andrzej.p) by madras.collabora.co.uk (Postfix) with ESMTPSA id 8CB55660768A; Wed, 8 Nov 2023 15:11:24 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1699456285; bh=K5VXgBozdsSABodMQiE6+mK90u54h0+xV4Xvoon1qpI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=kkphmV+JYfqj+ns8NoxsBLanCoQtKf/WqfersIRDq1ESjfsgbVsLyKprjuLkHb8+u eYbeV/5sc9Uaixti/t99d0OJJa69i7X1jzOaxDyUqUbNO2LBrNgLoZCfEPbEp3S5s3 GgHwUpWZoRyvaqdkQXSdRH6HRp/Bi4yK+I+vaYWWK+Qo9pl7ya72C2qzL30umV1BUA pKN2f2avJQGq79jRDm2H8n/TPa/eYtmQpuGxtvH6ZmOedLNG1Lbm1VFNpyeDyBOcEp sKhe8zYc4qBHUHSmVlVp9/G+MKwvITnFKP02mJzKB0j9WibptLiG+uH8sOp7cO3mbu cDh/a/cECWL/A== Message-ID: <762f42fb-1cb3-4854-bd48-90d91c2eb3ef@collabora.com> Date: Wed, 8 Nov 2023 16:11:22 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v14 01/56] media: videobuf2: Rename offset parameter To: Benjamin Gaignard , mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com References: <20231031163104.112469-1-benjamin.gaignard@collabora.com> <20231031163104.112469-2-benjamin.gaignard@collabora.com> Content-Language: en-US From: Andrzej Pietrasiewicz In-Reply-To: <20231031163104.112469-2-benjamin.gaignard@collabora.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231108_071132_134121_2C0AAFCC X-CRM114-Status: GOOD ( 17.35 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org W dniu 31.10.2023 o 17:30, Benjamin Gaignard pisze: > Rename 'off' parameter to 'offset' to clarify the code. > > Signed-off-by: Benjamin Gaignard Reviewed-by: Andrzej Pietrasiewicz > --- > .../media/common/videobuf2/videobuf2-core.c | 26 +++++++++---------- > 1 file changed, 13 insertions(+), 13 deletions(-) > > diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c > index 27aee92f3eea..a5e57affeb30 100644 > --- a/drivers/media/common/videobuf2/videobuf2-core.c > +++ b/drivers/media/common/videobuf2/videobuf2-core.c > @@ -356,23 +356,23 @@ static void __setup_offsets(struct vb2_buffer *vb) > { > struct vb2_queue *q = vb->vb2_queue; > unsigned int plane; > - unsigned long off = 0; > + unsigned long offset = 0; > > if (vb->index) { > struct vb2_buffer *prev = q->bufs[vb->index - 1]; > struct vb2_plane *p = &prev->planes[prev->num_planes - 1]; > > - off = PAGE_ALIGN(p->m.offset + p->length); > + offset = PAGE_ALIGN(p->m.offset + p->length); > } > > for (plane = 0; plane < vb->num_planes; ++plane) { > - vb->planes[plane].m.offset = off; > + vb->planes[plane].m.offset = offset; > > dprintk(q, 3, "buffer %d, plane %d offset 0x%08lx\n", > - vb->index, plane, off); > + vb->index, plane, offset); > > - off += vb->planes[plane].length; > - off = PAGE_ALIGN(off); > + offset += vb->planes[plane].length; > + offset = PAGE_ALIGN(offset); > } > } > > @@ -2185,9 +2185,9 @@ int vb2_core_streamoff(struct vb2_queue *q, unsigned int type) > EXPORT_SYMBOL_GPL(vb2_core_streamoff); > > /* > - * __find_plane_by_offset() - find plane associated with the given offset off > + * __find_plane_by_offset() - find plane associated with the given offset > */ > -static int __find_plane_by_offset(struct vb2_queue *q, unsigned long off, > +static int __find_plane_by_offset(struct vb2_queue *q, unsigned long offset, > unsigned int *_buffer, unsigned int *_plane) > { > struct vb2_buffer *vb; > @@ -2218,7 +2218,7 @@ static int __find_plane_by_offset(struct vb2_queue *q, unsigned long off, > vb = q->bufs[buffer]; > > for (plane = 0; plane < vb->num_planes; ++plane) { > - if (vb->planes[plane].m.offset == off) { > + if (vb->planes[plane].m.offset == offset) { > *_buffer = buffer; > *_plane = plane; > return 0; > @@ -2304,7 +2304,7 @@ EXPORT_SYMBOL_GPL(vb2_core_expbuf); > > int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma) > { > - unsigned long off = vma->vm_pgoff << PAGE_SHIFT; > + unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; > struct vb2_buffer *vb; > unsigned int buffer = 0, plane = 0; > int ret; > @@ -2335,7 +2335,7 @@ int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma) > * Find the plane corresponding to the offset passed by userspace. This > * will return an error if not MEMORY_MMAP or file I/O is in progress. > */ > - ret = __find_plane_by_offset(q, off, &buffer, &plane); > + ret = __find_plane_by_offset(q, offset, &buffer, &plane); > if (ret) > goto unlock; > > @@ -2380,7 +2380,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q, > unsigned long pgoff, > unsigned long flags) > { > - unsigned long off = pgoff << PAGE_SHIFT; > + unsigned long offset = pgoff << PAGE_SHIFT; > struct vb2_buffer *vb; > unsigned int buffer, plane; > void *vaddr; > @@ -2392,7 +2392,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q, > * Find the plane corresponding to the offset passed by userspace. This > * will return an error if not MEMORY_MMAP or file I/O is in progress. > */ > - ret = __find_plane_by_offset(q, off, &buffer, &plane); > + ret = __find_plane_by_offset(q, offset, &buffer, &plane); > if (ret) > goto unlock; >