From 30a978180ae82bdf0603adc357ad033baec1f82c Mon Sep 17 00:00:00 2001 From: Corentin Labbe Date: Fri, 25 Sep 2020 20:30:42 +0200 Subject: media: zoran: add stat_com buffer Adds the allocation of the stat_com buffer which be used later. Signed-off-by: Corentin Labbe Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/zoran/zoran.h | 2 ++ drivers/staging/media/zoran/zoran_card.c | 13 ++++++++++++- 2 files changed, 14 insertions(+), 1 deletion(-) (limited to 'drivers/staging/media/zoran') diff --git a/drivers/staging/media/zoran/zoran.h b/drivers/staging/media/zoran/zoran.h index 87ca324f6ec2..c73b7e7fd5e1 100644 --- a/drivers/staging/media/zoran/zoran.h +++ b/drivers/staging/media/zoran/zoran.h @@ -357,6 +357,8 @@ struct zoran { wait_queue_head_t test_q; dma_addr_t p_sc; + __le32 *stat_comb; + dma_addr_t p_scb; }; static inline struct zoran *to_zoran(struct v4l2_device *v4l2_dev) diff --git a/drivers/staging/media/zoran/zoran_card.c b/drivers/staging/media/zoran/zoran_card.c index 147bef1df33c..756705a34e2b 100644 --- a/drivers/staging/media/zoran/zoran_card.c +++ b/drivers/staging/media/zoran/zoran_card.c @@ -951,6 +951,14 @@ static int zr36057_init(struct zoran *zr) for (j = 0; j < BUZ_NUM_STAT_COM; j++) zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ + zr->stat_comb = dma_alloc_coherent(&zr->pci_dev->dev, + BUZ_NUM_STAT_COM * sizeof(u32) * 2, + &zr->p_scb, GFP_KERNEL); + if (!zr->stat_comb) { + err = -ENOMEM; + goto exit_statcom; + } + /* Now add the template and register the device unit. */ *zr->video_dev = zoran_template; zr->video_dev->v4l2_dev = &zr->v4l2_dev; @@ -964,7 +972,7 @@ static int zr36057_init(struct zoran *zr) zr->video_dev->vfl_dir = VFL_DIR_M2M; err = video_register_device(zr->video_dev, VFL_TYPE_VIDEO, video_nr[zr->id]); if (err < 0) - goto exit_statcom; + goto exit_statcomb; video_set_drvdata(zr->video_dev, zr); zoran_init_hardware(zr); @@ -979,6 +987,8 @@ static int zr36057_init(struct zoran *zr) zr->initialized = 1; return 0; +exit_statcomb: + dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2, zr->stat_comb, zr->p_scb); exit_statcom: dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), zr->stat_com, zr->p_sc); exit_video: @@ -1010,6 +1020,7 @@ static void zoran_remove(struct pci_dev *pdev) pci_free_irq(zr->pci_dev, 0, zr); /* unmap and free memory */ dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), zr->stat_com, zr->p_sc); + dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2, zr->stat_comb, zr->p_scb); pci_release_regions(pdev); pci_disable_device(zr->pci_dev); video_unregister_device(zr->video_dev); -- cgit