aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/asihpi/hpios.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/asihpi/hpios.c')
-rw-r--r--sound/pci/asihpi/hpios.c39
1 files changed, 4 insertions, 35 deletions
diff --git a/sound/pci/asihpi/hpios.c b/sound/pci/asihpi/hpios.c
index de615cfdb95..5ef4fe96436 100644
--- a/sound/pci/asihpi/hpios.c
+++ b/sound/pci/asihpi/hpios.c
@@ -1,7 +1,7 @@
/******************************************************************************
AudioScience HPI driver
- Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com>
+ Copyright (C) 1997-2012 AudioScience Inc. <support@audioscience.com>
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as
@@ -39,13 +39,9 @@ void hpios_delay_micro_seconds(u32 num_micro_sec)
}
-void hpios_locked_mem_init(void)
-{
-}
+/** Allocate an area of locked memory for bus master DMA operations.
-/** Allocated an area of locked memory for bus master DMA operations.
-
-On error, return -ENOMEM, and *pMemArea.size = 0
+If allocation fails, return 1, and *pMemArea.size = 0
*/
u16 hpios_locked_mem_alloc(struct consistent_dma_area *p_mem_area, u32 size,
struct pci_dev *pdev)
@@ -66,7 +62,7 @@ u16 hpios_locked_mem_alloc(struct consistent_dma_area *p_mem_area, u32 size,
HPI_DEBUG_LOG(WARNING,
"failed to allocate %d bytes locked memory\n", size);
p_mem_area->size = 0;
- return -ENOMEM;
+ return 1;
}
}
@@ -85,30 +81,3 @@ u16 hpios_locked_mem_free(struct consistent_dma_area *p_mem_area)
return 1;
}
}
-
-void hpios_locked_mem_free_all(void)
-{
-}
-
-void __iomem *hpios_map_io(struct pci_dev *pci_dev, int idx,
- unsigned int length)
-{
- HPI_DEBUG_LOG(DEBUG, "mapping %d %s %08llx-%08llx %04llx len 0x%x\n",
- idx, pci_dev->resource[idx].name,
- (unsigned long long)pci_resource_start(pci_dev, idx),
- (unsigned long long)pci_resource_end(pci_dev, idx),
- (unsigned long long)pci_resource_flags(pci_dev, idx), length);
-
- if (!(pci_resource_flags(pci_dev, idx) & IORESOURCE_MEM)) {
- HPI_DEBUG_LOG(ERROR, "not an io memory resource\n");
- return NULL;
- }
-
- if (length > pci_resource_len(pci_dev, idx)) {
- HPI_DEBUG_LOG(ERROR, "resource too small for requested %d \n",
- length);
- return NULL;
- }
-
- return ioremap(pci_resource_start(pci_dev, idx), length);
-}