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Mon, 02 Feb 2026 02:21:31 -0800 (PST) From: Bogdan Sandu To: gregkh@linuxfoundation.org Cc: bingbu.cao@intel.com, bogdanelsandu2011@gmail.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, mchehab@kernel.org, sakari.ailus@linux.intel.com, tian.shu.qiu@intel.com Subject: [PATCH] Cleanup ipu3 driver Date: Mon, 2 Feb 2026 12:18:44 +0200 Message-ID: <20260202102033.9642-3-bogdanelsandu2011@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260202102033.9642-2-bogdanelsandu2011@gmail.com> References: <2026020258-very-numbly-b36b@gregkh> <20260202102033.9642-2-bogdanelsandu2011@gmail.com> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Clean up warnings generated by ./scripts/checkpatch.pl regarding the ipu3 driver at /drivers/staging/media/ipu3 More specifically, the following files have been affected: ipu3-css.c, ipu3-mmu.c, ipu3-mmu.h, ipu3-v4l2.c, ipu3.c, ipu3.h Signed-off-by: Bogdan Sandu --- drivers/staging/media/ipu3/ipu3-css.c | 39 ++++++++++++-------------- drivers/staging/media/ipu3/ipu3-mmu.c | 2 +- drivers/staging/media/ipu3/ipu3-mmu.h | 4 ++- drivers/staging/media/ipu3/ipu3-v4l2.c | 11 ++++---- drivers/staging/media/ipu3/ipu3.c | 7 ++--- 5 files changed, 30 insertions(+), 33 deletions(-) diff --git a/drivers/staging/media/ipu3/ipu3-css.c b/drivers/staging/media/ipu3/ipu3-css.c index 777cac1c2..832581547 100644 --- a/drivers/staging/media/ipu3/ipu3-css.c +++ b/drivers/staging/media/ipu3/ipu3-css.c @@ -118,7 +118,8 @@ static const struct { /* Initialize queue based on given format, adjust format as needed */ static int imgu_css_queue_init(struct imgu_css_queue *queue, - struct v4l2_pix_format_mplane *fmt, u32 flags) + struct v4l2_pix_format_mplane *fmt, + u32 flags) { struct v4l2_pix_format_mplane *const f = &queue->fmt.mpix; unsigned int i; @@ -1033,8 +1034,8 @@ static int imgu_css_pipeline_init(struct imgu_css *css, unsigned int pipe) 3 * cfg_dvs->num_horizontal_blocks / 2 * cfg_dvs->num_vertical_blocks) || imgu_css_pool_init(imgu, &css_pipe->pool.obgrid, - imgu_css_fw_obgrid_size( - &css->fwp->binary_header[css_pipe->bindex]))) + imgu_css_fw_obgrid_size + (&css->fwp->binary_header[css_pipe->bindex]))) goto out_of_memory; for (i = 0; i < IMGU_ABI_NUM_MEMORIES; i++) @@ -1225,8 +1226,7 @@ static int imgu_css_binary_setup(struct imgu_css *css, unsigned int pipe) for (j = IMGU_ABI_PARAM_CLASS_CONFIG; j < IMGU_ABI_PARAM_CLASS_NUM; j++) for (i = 0; i < IMGU_ABI_NUM_MEMORIES; i++) { - if (imgu_css_dma_buffer_resize( - imgu, + if (imgu_css_dma_buffer_resize(imgu, &css_pipe->binary_params_cs[j - 1][i], bi->info.isp.sp.mem_initializers.params[j][i].size)) goto out_of_memory; @@ -1241,6 +1241,7 @@ static int imgu_css_binary_setup(struct imgu_css *css, unsigned int pipe) css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_REF].height = ALIGN(css_pipe->rect[IPU3_CSS_RECT_BDS].height, IMGU_DVS_BLOCK_H) + 2 * IMGU_GDC_BUF_Y; + h = css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_REF].height; w = ALIGN(css_pipe->rect[IPU3_CSS_RECT_BDS].width, 2 * IPU3_UAPI_ISP_VEC_ELEMS) + 2 * IMGU_GDC_BUF_X; @@ -1248,10 +1249,9 @@ static int imgu_css_binary_setup(struct imgu_css *css, unsigned int pipe) css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_REF].bytesperpixel * w; size = w * h * BYPC + (w / 2) * (h / 2) * BYPC * 2; for (i = 0; i < IPU3_CSS_AUX_FRAMES; i++) - if (imgu_css_dma_buffer_resize( - imgu, - &css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_REF].mem[i], - size)) + if (imgu_css_dma_buffer_resize(imgu, + &css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_REF].mem[i], + size)) goto out_of_memory; /* TNR frames for temporal noise reduction, FRAME_FORMAT_YUV_LINE */ @@ -1269,10 +1269,9 @@ static int imgu_css_binary_setup(struct imgu_css *css, unsigned int pipe) h = css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_TNR].height; size = w * ALIGN(h * 3 / 2 + 3, 2); /* +3 for vf_pp prefetch */ for (i = 0; i < IPU3_CSS_AUX_FRAMES; i++) - if (imgu_css_dma_buffer_resize( - imgu, - &css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_TNR].mem[i], - size)) + if (imgu_css_dma_buffer_resize(imgu, + &css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_TNR].mem[i], + size)) goto out_of_memory; return 0; @@ -2036,7 +2035,7 @@ struct imgu_css_buffer *imgu_css_buf_dequeue(struct imgu_css *css) struct imgu_css_buffer, list); if (queue != b->queue || daddr != css_pipe->abi_buffers - [b->queue][b->queue_pos].daddr) { + [b->queue][b->queue_pos].daddr) { spin_unlock(&css_pipe->qlock); dev_err(css->dev, "dequeued bad buffer 0x%x\n", daddr); return ERR_PTR(-EIO); @@ -2169,7 +2168,7 @@ int imgu_css_set_parameters(struct imgu_css *css, unsigned int pipe, map = imgu_css_pool_last(&css_pipe->pool.acc, 1); /* user acc */ r = imgu_css_cfg_acc(css, pipe, use, acc, map->vaddr, - set_params ? &set_params->acc_param : NULL); + set_params ? &set_params->acc_param : NULL); if (r < 0) goto fail; } @@ -2298,13 +2297,11 @@ int imgu_css_set_parameters(struct imgu_css *css, unsigned int pipe, if (obgrid) imgu_css_pool_put(&css_pipe->pool.obgrid); if (vmem0) - imgu_css_pool_put( - &css_pipe->pool.binary_params_p - [IMGU_ABI_MEM_ISP_VMEM0]); + imgu_css_pool_put(&css_pipe->pool.binary_params_p + [IMGU_ABI_MEM_ISP_VMEM0]); if (dmem0) - imgu_css_pool_put( - &css_pipe->pool.binary_params_p - [IMGU_ABI_MEM_ISP_DMEM0]); + imgu_css_pool_put(&css_pipe->pool.binary_params_p + [IMGU_ABI_MEM_ISP_DMEM0]); fail_no_put: return r; diff --git a/drivers/staging/media/ipu3/ipu3-mmu.c b/drivers/staging/media/ipu3/ipu3-mmu.c index cb9bf5fb2..95ce34ad8 100644 --- a/drivers/staging/media/ipu3/ipu3-mmu.c +++ b/drivers/staging/media/ipu3/ipu3-mmu.c @@ -21,7 +21,7 @@ #include "ipu3-mmu.h" #define IPU3_PT_BITS 10 -#define IPU3_PT_PTES (1UL << IPU3_PT_BITS) +#define IPU3_PT_PTES (BIT(IPU3_PT_BITS)) #define IPU3_PT_SIZE (IPU3_PT_PTES << 2) #define IPU3_PT_ORDER (IPU3_PT_SIZE >> PAGE_SHIFT) diff --git a/drivers/staging/media/ipu3/ipu3-mmu.h b/drivers/staging/media/ipu3/ipu3-mmu.h index a5f0bca7e..990482f10 100644 --- a/drivers/staging/media/ipu3/ipu3-mmu.h +++ b/drivers/staging/media/ipu3/ipu3-mmu.h @@ -5,8 +5,10 @@ #ifndef __IPU3_MMU_H #define __IPU3_MMU_H +#include + #define IPU3_PAGE_SHIFT 12 -#define IPU3_PAGE_SIZE (1UL << IPU3_PAGE_SHIFT) +#define IPU3_PAGE_SIZE (BIT(IPU3_PAGE_SHIFT)) /** * struct imgu_mmu_info - Describes mmu geometry diff --git a/drivers/staging/media/ipu3/ipu3-v4l2.c b/drivers/staging/media/ipu3/ipu3-v4l2.c index 2f6041d34..8ebfcddab 100644 --- a/drivers/staging/media/ipu3/ipu3-v4l2.c +++ b/drivers/staging/media/ipu3/ipu3-v4l2.c @@ -245,9 +245,9 @@ static int imgu_subdev_set_selection(struct v4l2_subdev *sd, struct v4l2_rect *rect; dev_dbg(&imgu->pci_dev->dev, - "set subdev %u sel which %u target 0x%4x rect [%ux%u]", - imgu_sd->pipe, sel->which, sel->target, - sel->r.width, sel->r.height); + "set subdev %u sel which %u target 0x%4x rect [%ux%u]", + imgu_sd->pipe, sel->which, sel->target, + sel->r.width, sel->r.height); if (sel->pad != IMGU_NODE_IN) return -EINVAL; @@ -288,7 +288,7 @@ static int imgu_link_setup(struct media_entity *entity, WARN_ON(pad >= IMGU_NODE_NUM); dev_dbg(&imgu->pci_dev->dev, "pipe %u pad %u is %s", pipe, pad, - str_enabled_disabled(flags & MEDIA_LNK_FL_ENABLED)); + str_enabled_disabled(flags & MEDIA_LNK_FL_ENABLED)); imgu_pipe = &imgu->imgu_pipe[pipe]; imgu_pipe->nodes[pad].enabled = flags & MEDIA_LNK_FL_ENABLED; @@ -303,7 +303,7 @@ static int imgu_link_setup(struct media_entity *entity, __clear_bit(pipe, imgu->css.enabled_pipes); dev_dbg(&imgu->pci_dev->dev, "pipe %u is %s", pipe, - str_enabled_disabled(flags & MEDIA_LNK_FL_ENABLED)); + str_enabled_disabled(flags & MEDIA_LNK_FL_ENABLED)); return 0; } @@ -750,7 +750,6 @@ static int imgu_fmt(struct imgu_device *imgu, unsigned int pipe, int node, } else { fmts[i] = &imgu_pipe->nodes[inode].vdev_fmt.fmt.pix_mp; } - } if (!try) { diff --git a/drivers/staging/media/ipu3/ipu3.c b/drivers/staging/media/ipu3/ipu3.c index bdf5a4577..fe343d368 100644 --- a/drivers/staging/media/ipu3/ipu3.c +++ b/drivers/staging/media/ipu3/ipu3.c @@ -151,7 +151,7 @@ static int imgu_dummybufs_init(struct imgu_device *imgu, unsigned int pipe) /* May be called from atomic context */ static struct imgu_css_buffer *imgu_dummybufs_get(struct imgu_device *imgu, - int queue, unsigned int pipe) + int queue, unsigned int pipe) { unsigned int i; struct imgu_media_pipe *imgu_pipe = &imgu->imgu_pipe[pipe]; @@ -556,8 +556,7 @@ static irqreturn_t imgu_isr_threaded(int irq, void *imgu_ptr) buf->vid_buf.vbb.vb2_buf.timestamp = ns; buf->vid_buf.vbb.field = V4L2_FIELD_NONE; buf->vid_buf.vbb.sequence = - atomic_inc_return( - &imgu_pipe->nodes[node].sequence); + atomic_inc_return(&imgu_pipe->nodes[node].sequence); dev_dbg(&imgu->pci_dev->dev, "vb2 buffer sequence %d", buf->vid_buf.vbb.sequence); } @@ -774,7 +773,7 @@ static int __maybe_unused imgu_suspend(struct device *dev) synchronize_irq(pci_dev->irq); /* Wait until all buffers in CSS are done. */ if (!wait_event_timeout(imgu->buf_drain_wq, - imgu_css_queue_empty(&imgu->css), msecs_to_jiffies(1000))) + imgu_css_queue_empty(&imgu->css), msecs_to_jiffies(1000))) dev_err(dev, "wait buffer drain timeout.\n"); imgu_css_stop_streaming(&imgu->css); -- 2.51.0