aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/dvb/ttpci/budget-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/ttpci/budget-core.c')
-rw-r--r--drivers/media/dvb/ttpci/budget-core.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/drivers/media/dvb/ttpci/budget-core.c b/drivers/media/dvb/ttpci/budget-core.c
index 6b97dc1e6b6..2557ac9620d 100644
--- a/drivers/media/dvb/ttpci/budget-core.c
+++ b/drivers/media/dvb/ttpci/budget-core.c
@@ -195,6 +195,9 @@ static void vpeirq(unsigned long data)
u32 newdma = saa7146_read(budget->dev, PCI_VDP3);
u32 count;
+ /* Ensure streamed PCI data is synced to CPU */
+ pci_dma_sync_sg_for_cpu(budget->dev->pci, budget->pt.slist, budget->pt.nents, PCI_DMA_FROMDEVICE);
+
/* nearest lower position divisible by 188 */
newdma -= newdma % 188;
@@ -504,16 +507,16 @@ int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev,
strcpy(budget->i2c_adap.name, budget->card->name);
if (i2c_add_adapter(&budget->i2c_adap) < 0) {
- dvb_unregister_adapter(&budget->dvb_adapter);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto err_dvb_unregister;
}
ttpci_eeprom_parse_mac(&budget->i2c_adap, budget->dvb_adapter.proposed_mac);
- if (NULL ==
- (budget->grabbing = saa7146_vmalloc_build_pgtable(dev->pci, budget->buffer_size, &budget->pt))) {
+ budget->grabbing = saa7146_vmalloc_build_pgtable(dev->pci, budget->buffer_size, &budget->pt);
+ if (NULL == budget->grabbing) {
ret = -ENOMEM;
- goto err;
+ goto err_del_i2c;
}
saa7146_write(dev, PCI_BT_V1, 0x001c0000);
@@ -526,14 +529,16 @@ int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev,
if (bi->type != BUDGET_FS_ACTIVY)
saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
- if (budget_register(budget) == 0) {
- return 0;
- }
-err:
- i2c_del_adapter(&budget->i2c_adap);
+ if (budget_register(budget) == 0)
+ return 0; /* Everything OK */
+
+ /* An error occurred, cleanup resources */
+ saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt);
- vfree(budget->grabbing);
+err_del_i2c:
+ i2c_del_adapter(&budget->i2c_adap);
+err_dvb_unregister:
dvb_unregister_adapter(&budget->dvb_adapter);
return ret;
@@ -555,15 +560,13 @@ int ttpci_budget_deinit(struct budget *budget)
budget_unregister(budget);
- i2c_del_adapter(&budget->i2c_adap);
-
- dvb_unregister_adapter(&budget->dvb_adapter);
-
tasklet_kill(&budget->vpe_tasklet);
- saa7146_pgtable_free(dev->pci, &budget->pt);
+ saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt);
- vfree(budget->grabbing);
+ i2c_del_adapter(&budget->i2c_adap);
+
+ dvb_unregister_adapter(&budget->dvb_adapter);
return 0;
}