From patchwork Fri Apr 6 14:23:18 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 132919 Delivered-To: patch@linaro.org Received: by 10.46.84.29 with SMTP id i29csp849893ljb; Fri, 6 Apr 2018 07:24:33 -0700 (PDT) X-Google-Smtp-Source: AIpwx49JdJTb8P5TXr7vhNOjZ0wUXANwyM1DH34/b9vxMBoIlFtOd5+EGLy/8vn7T3P0EXE2KutS X-Received: by 2002:a17:902:3e5:: with SMTP id d92-v6mr28109603pld.104.1523024673478; Fri, 06 Apr 2018 07:24:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1523024673; cv=none; d=google.com; s=arc-20160816; b=bS0WcvwcL7gKZKLVXOhxO5UUt4Omd1w3wiPE6hnzXdHlMX61gcG1DRZ+cBF066B5Vn 8rfoK36xP7QFGX7GUKjLTp6UsbhRuxX7RYQs5cVvJ0GXtf4uvpnUqgjRYpCqNWVWQ7uz 2VSXZXzjS0OsmQFR3ueYZhjt0A0MROh59qapbXYr7tHPsEWkK8uzeHVPBpufsaSwgWau KMHRxtSWVLOG00Yt8JuTrYeBnCcG4yItMDzXJV4Z8a9Q0QIsu0OV7vop4Jw/0DCCNvm4 Bt3GkIZ74lxgtXvvjAbPY1nfwEoJlJxRM3zbJPlV74g5O4fdAKofotLcp3FbbwhjIixP 86AQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :arc-authentication-results; bh=7OY1xUltWdoflTdMia7ykmGIzaRVaqaeuwm7EhvM138=; b=1AGWYreS89xKvkWV+0jD3sgzIulegsFBrK80FOuixMgyd2QaQBuL/SdpaV2O8KODPX tYLyoK3cotG/4+u+iS+J4ra0YYNlXg5DvRv906kQzKXpKYoAa3gfXBwoVwmOHbDMudUr lfuqyrfC2T20QQouEneiVdYvlZv0xaRdrBIRAshGK9Z92BZw3yBzmozbEhM4HOcMMekw MBg2B91D2yUAvla3YGPvgWfMoslHWO2UZ6SYaH3dI1H1IH+RVcDgKihYyEZGhnkV8G2S ZHN0Y4leLePbAG8cPP1Zw14RigPwaPrHwfKyYwnCRHOeYzL8Wkr30N41Gg5DsaK0cJhA mmpA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. 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Fri, 06 Apr 2018 16:23:37 +0200 From: Arnd Bergmann To: Mauro Carvalho Chehab Cc: Arnd Bergmann , Hans Verkuil , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] media: platform: fsl-viu: add __iomem annotations Date: Fri, 6 Apr 2018 16:23:18 +0200 Message-Id: <20180406142336.2079928-1-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 X-Provags-ID: V03:K1:Sn/uNmomkBRdXYc/WRofuyZ0iAk7yWvJ1MTmHu3qywFsN9WEULa UxCv470AxDxsjnZUsjrGljCm2wwEPtD8E2iA03FLGJJtIgYfA/UGAhl6oR0Ds7LUbSSzkgi tuqcMlgGoLFk4BxXEJ6uLTa3wVWvwYuFX8ml9XMgC1xo1OcvIV9exeME/qshluw6bjmZ4dt hhLnBaGi6lbSRL9Hd5IPw== X-UI-Out-Filterresults: notjunk:1; V01:K0:gBuwMhB8lxo=:0Ktoq8v7RBk+ZsabkOnYeR +oa81rOUIY8PHX2p56OGRHMF16to1xQsgl7E+oCOwfQt5qp4+57EKd5FKJ2E/IGcVGkzp9Z/o 1WUmbnU4aGOt+97mE6JHYlXrENUb335a6btwWEw9SzvH9fzv5TKNnoLmL9Xl+laxWasdBb+md zSkjAt51GvGYMFtncPGVJf5BxTzkEIR5tA3ZYVYB7XTdLQHIWliv8N2zoyl4FAhqg7b3luc2m dbch6pDYMhpqBw7tGjo2mjGoE2c/vPDAWXeq/eUjhxjLzkxWhbix7LjkdRENj90TzSy9Wxtsv XwbUPhqCEPy6wXSS4FuG7kR7hu9E5URtni5wyBP1dB9MYIoMyeh8n4RlB96OEX793UKAmybKQ nQ9qLLpvH2Lzx4SkjuRd8gsTWtfkwHYf15HuL3POF5fwPpRNswCs+UTsFTMpjR6XUlhhzYhK8 9MuCAa1fFirRYbbSq6u0hJVBjZLJh8ozsW4JRhM3tLHKIuwDHM5zCizXigRGGWK9vW8tINJwW /MrbYXnUEoAnzhD5eHiXUV86HW1eYVGmpBlXTM1M2Qj2t9k3D0c4fepJwO9dK57Auxn8gM1e3 QmczNcgQDJVKMVD4jroVOvkUWxcK1IjggNcB4sw7X4x9MnjMpqFW1wamN5EkZ+gh+r/0RoB76 6bvol3InyrPtBjxjDl2rNtPDTWVmh9948eSMxydR2u0V2HslWyefAONXg9KgMbgjqXY+84eiZ SoFEcU5OQ/0ZCXNoc0VhLfwgOOnhu6JDtHRVmQ== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This avoids countless sparse warnings like drivers/media/platform/fsl-viu.c:1081:25: sparse: incorrect type in argument 2 (different address spaces) drivers/media/platform/fsl-viu.c:1082:25: sparse: incorrect type in argument 2 (different address spaces) Signed-off-by: Arnd Bergmann --- drivers/media/platform/fsl-viu.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) -- 2.9.0 diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c index 200c47c69a75..cc85620267f1 100644 --- a/drivers/media/platform/fsl-viu.c +++ b/drivers/media/platform/fsl-viu.c @@ -128,7 +128,7 @@ struct viu_dev { int dma_done; /* Hardware register area */ - struct viu_reg *vr; + struct viu_reg __iomem *vr; /* Interrupt vector */ int irq; @@ -244,7 +244,7 @@ struct viu_fmt *format_by_fourcc(int fourcc) void viu_start_dma(struct viu_dev *dev) { - struct viu_reg *vr = dev->vr; + struct viu_reg __iomem *vr = dev->vr; dev->field = 0; @@ -255,7 +255,7 @@ void viu_start_dma(struct viu_dev *dev) void viu_stop_dma(struct viu_dev *dev) { - struct viu_reg *vr = dev->vr; + struct viu_reg __iomem *vr = dev->vr; int cnt = 100; u32 status_cfg; @@ -395,7 +395,7 @@ static void free_buffer(struct videobuf_queue *vq, struct viu_buf *buf) inline int buffer_activate(struct viu_dev *dev, struct viu_buf *buf) { - struct viu_reg *vr = dev->vr; + struct viu_reg __iomem *vr = dev->vr; int bpp; /* setup the DMA base address */ @@ -703,9 +703,9 @@ static int verify_preview(struct viu_dev *dev, struct v4l2_window *win) return 0; } -inline void viu_activate_overlay(struct viu_reg *viu_reg) +inline void viu_activate_overlay(struct viu_reg __iomem *viu_reg) { - struct viu_reg *vr = viu_reg; + struct viu_reg __iomem *vr = viu_reg; out_be32(&vr->field_base_addr, reg_val.field_base_addr); out_be32(&vr->dma_inc, reg_val.dma_inc); @@ -985,9 +985,9 @@ inline void viu_activate_next_buf(struct viu_dev *dev, } } -inline void viu_default_settings(struct viu_reg *viu_reg) +inline void viu_default_settings(struct viu_reg __iomem *viu_reg) { - struct viu_reg *vr = viu_reg; + struct viu_reg __iomem *vr = viu_reg; out_be32(&vr->luminance, 0x9512A254); out_be32(&vr->chroma_r, 0x03310000); @@ -1001,7 +1001,7 @@ inline void viu_default_settings(struct viu_reg *viu_reg) static void viu_overlay_intr(struct viu_dev *dev, u32 status) { - struct viu_reg *vr = dev->vr; + struct viu_reg __iomem *vr = dev->vr; if (status & INT_DMA_END_STATUS) dev->dma_done = 1; @@ -1032,7 +1032,7 @@ static void viu_overlay_intr(struct viu_dev *dev, u32 status) static void viu_capture_intr(struct viu_dev *dev, u32 status) { struct viu_dmaqueue *vidq = &dev->vidq; - struct viu_reg *vr = dev->vr; + struct viu_reg __iomem *vr = dev->vr; struct viu_buf *buf; int field_num; int need_two; @@ -1104,7 +1104,7 @@ static void viu_capture_intr(struct viu_dev *dev, u32 status) static irqreturn_t viu_intr(int irq, void *dev_id) { struct viu_dev *dev = (struct viu_dev *)dev_id; - struct viu_reg *vr = dev->vr; + struct viu_reg __iomem *vr = dev->vr; u32 status; u32 error; @@ -1169,7 +1169,7 @@ static int viu_open(struct file *file) struct video_device *vdev = video_devdata(file); struct viu_dev *dev = video_get_drvdata(vdev); struct viu_fh *fh; - struct viu_reg *vr; + struct viu_reg __iomem *vr; int minor = vdev->minor; u32 status_cfg; @@ -1305,7 +1305,7 @@ static int viu_release(struct file *file) return 0; } -void viu_reset(struct viu_reg *reg) +void viu_reset(struct viu_reg __iomem *reg) { out_be32(®->status_cfg, 0); out_be32(®->luminance, 0x9512a254); From patchwork Fri Apr 6 14:23:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 132918 Delivered-To: patch@linaro.org Received: by 10.46.84.29 with SMTP id i29csp849263ljb; 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[209.132.180.67]) by mx.google.com with ESMTP id g6-v6si7972281pll.677.2018.04.06.07.24.00; Fri, 06 Apr 2018 07:24:00 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756768AbeDFOX6 (ORCPT + 29 others); Fri, 6 Apr 2018 10:23:58 -0400 Received: from mout.kundenserver.de ([217.72.192.73]:40981 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752925AbeDFOX4 (ORCPT ); Fri, 6 Apr 2018 10:23:56 -0400 Received: from wuerfel.lan ([95.208.111.237]) by mrelayeu.kundenserver.de (mreue105 [212.227.15.145]) with ESMTPA (Nemesis) id 0MCID3-1fD0z649s9-0098vW; Fri, 06 Apr 2018 16:23:50 +0200 From: Arnd Bergmann To: Mauro Carvalho Chehab Cc: Arnd Bergmann , Hans Verkuil , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] media: platform: fsl-viu: mark local functions 'static' Date: Fri, 6 Apr 2018 16:23:19 +0200 Message-Id: <20180406142336.2079928-2-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20180406142336.2079928-1-arnd@arndb.de> References: <20180406142336.2079928-1-arnd@arndb.de> X-Provags-ID: V03:K1:eEWJ2Ampjg8wbaIO5ZaejpEw8rFHL5QW5/VWDA/bLt2PtFulIFl fvVlkFLUdWU9iPkj4AgadiscqmJMUXIYJLF4ylAa2vh6j5oP7GXZgXSCy7Kk2MWbImhSTu1 Hzm8OSHA1j/vvlLJDvfnkLgltF9Huv1LEqsliWfneZbWSjM7TkJqIS9i8ZudlpQ7gxC2Ti8 LsHc51EHk2olkw5S89DVQ== X-UI-Out-Filterresults: notjunk:1; V01:K0:hh2IsQZ3Fb8=:wV2FdKuHkbBAHQswqlZCb6 YRZ9nRejV1cDhhmX2EPS1ABR+PSLU790B/QvrdKcHAw3Lv4E2vezRPSsNGd0Dfef1TniUvcq3 BSD50ngjCdzm3kfTw6pJUvHdDaXMWa2/d+vpQUHpUPLoAJ8gkGucZWJTcuu+Bqyj2VjRADz39 SC+hda/GhiDMYhyl062TdvYJzFfmXSQcfLe0cWhI4NjMYw/SXW0gFoxrpxjZcYfhsiNFhL2J1 8dK3y2csd5MGxxhrK2+T9hEwguaJkX4f3CVYGgNFVt0cAJiwpV/eSMIU/ZajGiej7SS8b69Wz ipG3tAMP7cImzDfY3FS02ZY+qnEbxGnsXMTzOxWOFmMoV1WEZlKiVhgc0By5CgLuKwyk18Vla F65ldu7949y/dl4NuX9REQ/JX/Q/N7b8wuOmQMNbzvSa0HqpuKIt+Jbhk7WzIyreqXa/G+B1M yXeMU0NLvZdDjfMB+MdfYcM92v77uE5leoOOPijGV1gBW03d3mfzABuT/nGr1QcQMLzaVpsvi 3gwB7PsfCBfSg1RpqYJns3x7fd6KbYa2n3th11aTyp3iOfbiHnpIILnj0Mo+buA6kPB2N2Qtb bAsCSjbMyVUd20wriWucru9ClZLt4FQqCOTpPcZdCLe/wrmazwhxCra1s2VmJkS0V8N/z9zuT J4AWPjLQjmCH3uudYg+PvGAntwV1E3DyMynfR1cHwAgWew+oRC58YnpnreP3XvnZjiGlGa8KL S7uzUlnOKCXL/dZmJYeT7XV7xUrsjMcnyODrnQ== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Both sparse and gcc (with 'make V=1') warn about non-static symbols that have not been declared: drivers/media/platform/fsl-viu.c:235:16: warning: symbol 'format_by_fourcc' was not declared. Should it be static? drivers/media/platform/fsl-viu.c:248:6: warning: symbol 'viu_start_dma' was not declared. Should it be static? drivers/media/platform/fsl-viu.c:259:6: warning: symbol 'viu_stop_dma' was not declared. Should it be static? drivers/media/platform/fsl-viu.c:808:5: warning: symbol 'vidioc_g_fbuf' was not declared. Should it be static? drivers/media/platform/fsl-viu.c:819:5: warning: symbol 'vidioc_s_fbuf' was not declared. Should it be static? drivers/media/platform/fsl-viu.c:1311:6: warning: symbol 'viu_reset' was not declared. Should it be static? In this driver, all instance should indeed be static. This leads to better optimized code, and avoids potential namespace conflicts. Signed-off-by: Arnd Bergmann --- drivers/media/platform/fsl-viu.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) -- 2.9.0 diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c index cc85620267f1..38c9be51f01f 100644 --- a/drivers/media/platform/fsl-viu.c +++ b/drivers/media/platform/fsl-viu.c @@ -229,7 +229,7 @@ enum status_config { static irqreturn_t viu_intr(int irq, void *dev_id); -struct viu_fmt *format_by_fourcc(int fourcc) +static struct viu_fmt *format_by_fourcc(int fourcc) { int i; @@ -242,7 +242,7 @@ struct viu_fmt *format_by_fourcc(int fourcc) return NULL; } -void viu_start_dma(struct viu_dev *dev) +static void viu_start_dma(struct viu_dev *dev) { struct viu_reg __iomem *vr = dev->vr; @@ -253,7 +253,7 @@ void viu_start_dma(struct viu_dev *dev) out_be32(&vr->status_cfg, INT_FIELD_EN); } -void viu_stop_dma(struct viu_dev *dev) +static void viu_stop_dma(struct viu_dev *dev) { struct viu_reg __iomem *vr = dev->vr; int cnt = 100; @@ -802,7 +802,7 @@ static int vidioc_overlay(struct file *file, void *priv, unsigned int on) return 0; } -int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg) +static int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg) { struct viu_fh *fh = priv; struct viu_dev *dev = fh->dev; @@ -813,7 +813,7 @@ int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg) return 0; } -int vidioc_s_fbuf(struct file *file, void *priv, const struct v4l2_framebuffer *arg) +static int vidioc_s_fbuf(struct file *file, void *priv, const struct v4l2_framebuffer *arg) { struct viu_fh *fh = priv; struct viu_dev *dev = fh->dev; @@ -1305,7 +1305,7 @@ static int viu_release(struct file *file) return 0; } -void viu_reset(struct viu_reg __iomem *reg) +static void viu_reset(struct viu_reg __iomem *reg) { out_be32(®->status_cfg, 0); out_be32(®->luminance, 0x9512a254);