summaryrefslogtreecommitdiffstats
path: root/lib/swiotlb.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/swiotlb.c')
-rw-r--r--lib/swiotlb.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index eee512b..0c12d7c 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -123,8 +123,9 @@ static dma_addr_t swiotlb_virt_to_bus(struct device *hwdev,
return phys_to_dma(hwdev, virt_to_phys(address));
}
-static void swiotlb_print_info(unsigned long bytes)
+void swiotlb_print_info(void)
{
+ unsigned long bytes = io_tlb_nslabs << IO_TLB_SHIFT;
phys_addr_t pstart, pend;
pstart = virt_to_phys(io_tlb_start);
@@ -142,7 +143,7 @@ static void swiotlb_print_info(unsigned long bytes)
* structures for the software IO TLB used to implement the DMA API.
*/
void __init
-swiotlb_init_with_default_size(size_t default_size)
+swiotlb_init_with_default_size(size_t default_size, int verbose)
{
unsigned long i, bytes;
@@ -178,14 +179,14 @@ swiotlb_init_with_default_size(size_t default_size)
io_tlb_overflow_buffer = alloc_bootmem_low(io_tlb_overflow);
if (!io_tlb_overflow_buffer)
panic("Cannot allocate SWIOTLB overflow buffer!\n");
-
- swiotlb_print_info(bytes);
+ if (verbose)
+ swiotlb_print_info();
}
void __init
-swiotlb_init(void)
+swiotlb_init(int verbose)
{
- swiotlb_init_with_default_size(64 * (1<<20)); /* default to 64MB */
+ swiotlb_init_with_default_size(64 * (1<<20), verbose); /* default to 64MB */
}
/*
@@ -262,7 +263,7 @@ swiotlb_late_init_with_default_size(size_t default_size)
if (!io_tlb_overflow_buffer)
goto cleanup4;
- swiotlb_print_info(bytes);
+ swiotlb_print_info();
late_alloc = 1;
OpenPOWER on IntegriCloud