From: Joe Perches Date: Fri, 8 Aug 2014 21:24:21 +0000 (-0700) Subject: media: use pci_zalloc_consistent X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6850aeabdd1fde7cd35f26d4e8779bec943e1cd9;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git media: use pci_zalloc_consistent Remove the now unnecessary memset too. Signed-off-by: Joe Perches Cc: Hans Verkuil Cc: Mauro Carvalho Chehab Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/media/common/saa7146/saa7146_core.c b/drivers/media/common/saa7146/saa7146_core.c index 34b0d0ddeef3..97afee672d07 100644 --- a/drivers/media/common/saa7146/saa7146_core.c +++ b/drivers/media/common/saa7146/saa7146_core.c @@ -421,23 +421,20 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent err = -ENOMEM; /* get memory for various stuff */ - dev->d_rps0.cpu_addr = pci_alloc_consistent(pci, SAA7146_RPS_MEM, - &dev->d_rps0.dma_handle); + dev->d_rps0.cpu_addr = pci_zalloc_consistent(pci, SAA7146_RPS_MEM, + &dev->d_rps0.dma_handle); if (!dev->d_rps0.cpu_addr) goto err_free_irq; - memset(dev->d_rps0.cpu_addr, 0x0, SAA7146_RPS_MEM); - dev->d_rps1.cpu_addr = pci_alloc_consistent(pci, SAA7146_RPS_MEM, - &dev->d_rps1.dma_handle); + dev->d_rps1.cpu_addr = pci_zalloc_consistent(pci, SAA7146_RPS_MEM, + &dev->d_rps1.dma_handle); if (!dev->d_rps1.cpu_addr) goto err_free_rps0; - memset(dev->d_rps1.cpu_addr, 0x0, SAA7146_RPS_MEM); - dev->d_i2c.cpu_addr = pci_alloc_consistent(pci, SAA7146_RPS_MEM, - &dev->d_i2c.dma_handle); + dev->d_i2c.cpu_addr = pci_zalloc_consistent(pci, SAA7146_RPS_MEM, + &dev->d_i2c.dma_handle); if (!dev->d_i2c.cpu_addr) goto err_free_rps1; - memset(dev->d_i2c.cpu_addr, 0x0, SAA7146_RPS_MEM); /* the rest + print status message */ diff --git a/drivers/media/common/saa7146/saa7146_fops.c b/drivers/media/common/saa7146/saa7146_fops.c index d9e1d6395ed9..6c47f3fe9b0f 100644 --- a/drivers/media/common/saa7146/saa7146_fops.c +++ b/drivers/media/common/saa7146/saa7146_fops.c @@ -520,14 +520,15 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) configuration data) */ dev->ext_vv_data = ext_vv; - vv->d_clipping.cpu_addr = pci_alloc_consistent(dev->pci, SAA7146_CLIPPING_MEM, &vv->d_clipping.dma_handle); + vv->d_clipping.cpu_addr = + pci_zalloc_consistent(dev->pci, SAA7146_CLIPPING_MEM, + &vv->d_clipping.dma_handle); if( NULL == vv->d_clipping.cpu_addr ) { ERR("out of memory. aborting.\n"); kfree(vv); v4l2_ctrl_handler_free(hdl); return -1; } - memset(vv->d_clipping.cpu_addr, 0x0, SAA7146_CLIPPING_MEM); saa7146_video_uops.init(dev,vv); if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) diff --git a/drivers/media/pci/bt8xx/bt878.c b/drivers/media/pci/bt8xx/bt878.c index d0c281f41a0a..11765835d7b2 100644 --- a/drivers/media/pci/bt8xx/bt878.c +++ b/drivers/media/pci/bt8xx/bt878.c @@ -101,28 +101,20 @@ static int bt878_mem_alloc(struct bt878 *bt) if (!bt->buf_cpu) { bt->buf_size = 128 * 1024; - bt->buf_cpu = - pci_alloc_consistent(bt->dev, bt->buf_size, - &bt->buf_dma); - + bt->buf_cpu = pci_zalloc_consistent(bt->dev, bt->buf_size, + &bt->buf_dma); if (!bt->buf_cpu) return -ENOMEM; - - memset(bt->buf_cpu, 0, bt->buf_size); } if (!bt->risc_cpu) { bt->risc_size = PAGE_SIZE; - bt->risc_cpu = - pci_alloc_consistent(bt->dev, bt->risc_size, - &bt->risc_dma); - + bt->risc_cpu = pci_zalloc_consistent(bt->dev, bt->risc_size, + &bt->risc_dma); if (!bt->risc_cpu) { bt878_mem_free(bt); return -ENOMEM; } - - memset(bt->risc_cpu, 0, bt->risc_size); } return 0; diff --git a/drivers/media/pci/ngene/ngene-core.c b/drivers/media/pci/ngene/ngene-core.c index 826228c3800e..4930b55fd5f4 100644 --- a/drivers/media/pci/ngene/ngene-core.c +++ b/drivers/media/pci/ngene/ngene-core.c @@ -1075,12 +1075,11 @@ static int AllocCommonBuffers(struct ngene *dev) dev->ngenetohost = dev->FWInterfaceBuffer + 256; dev->EventBuffer = dev->FWInterfaceBuffer + 512; - dev->OverflowBuffer = pci_alloc_consistent(dev->pci_dev, - OVERFLOW_BUFFER_SIZE, - &dev->PAOverflowBuffer); + dev->OverflowBuffer = pci_zalloc_consistent(dev->pci_dev, + OVERFLOW_BUFFER_SIZE, + &dev->PAOverflowBuffer); if (!dev->OverflowBuffer) return -ENOMEM; - memset(dev->OverflowBuffer, 0, OVERFLOW_BUFFER_SIZE); for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) { int type = dev->card_info->io_type[i]; diff --git a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c index f166ffc9800a..cef7a00099ea 100644 --- a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c +++ b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c @@ -803,11 +803,9 @@ static int ttusb_alloc_iso_urbs(struct ttusb *ttusb) { int i; - ttusb->iso_buffer = pci_alloc_consistent(NULL, - ISO_FRAME_SIZE * - FRAMES_PER_ISO_BUF * - ISO_BUF_COUNT, - &ttusb->iso_dma_handle); + ttusb->iso_buffer = pci_zalloc_consistent(NULL, + ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT, + &ttusb->iso_dma_handle); if (!ttusb->iso_buffer) { dprintk("%s: pci_alloc_consistent - not enough memory\n", @@ -815,9 +813,6 @@ static int ttusb_alloc_iso_urbs(struct ttusb *ttusb) return -ENOMEM; } - memset(ttusb->iso_buffer, 0, - ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT); - for (i = 0; i < ISO_BUF_COUNT; i++) { struct urb *urb; diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c index 29724af9b9ab..15ab584cf265 100644 --- a/drivers/media/usb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c @@ -1151,11 +1151,9 @@ static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec) dprintk("%s\n", __func__); - dec->iso_buffer = pci_alloc_consistent(NULL, - ISO_FRAME_SIZE * - (FRAMES_PER_ISO_BUF * - ISO_BUF_COUNT), - &dec->iso_dma_handle); + dec->iso_buffer = pci_zalloc_consistent(NULL, + ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT), + &dec->iso_dma_handle); if (!dec->iso_buffer) { dprintk("%s: pci_alloc_consistent - not enough memory\n", @@ -1163,9 +1161,6 @@ static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec) return -ENOMEM; } - memset(dec->iso_buffer, 0, - ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT)); - for (i = 0; i < ISO_BUF_COUNT; i++) { struct urb *urb;