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-rw-r--r--dma/nwl.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/dma/nwl.c b/dma/nwl.c
index 32cc2db..f05472c 100644
--- a/dma/nwl.c
+++ b/dma/nwl.c
@@ -26,13 +26,10 @@ pcilib_register_bank_description_t ipecamera_register_banks[] = {
{ PCILIB_REGISTER_DMABANK0, PCILIB_BAR0, 128, PCILIB_DEFAULT_PROTOCOL, DMA_NWL_OFFSET, DMA_NWL_OFFSET, PCILIB_LITTLE_ENDIAN, 32, PCILIB_LITTLE_ENDIAN, "%lx", "dma", "NorthWest Logick DMA Engine" },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL }
};
-
-pcilib_register_description_t dma_nwl_registers[] = {
- {0, 0, 32, 0, PCILIB_REGISTER_R , PCILIB_REGISTER_DMABANK, "dma_capabilities", ""},
- {1, 0, 32, 0, PCILIB_REGISTER_RW, PCILIB_REGISTER_DMABANK, "dma_control", ""},
-};
*/
+
+
typedef struct {
pcilib_dma_engine_description_t desc;
char *base_addr;
@@ -71,6 +68,7 @@ static int nwl_read_engine_config(nwl_dma_t *ctx, pcilib_nwl_engine_description_
if ((val & DMA_ENG_PRESENT_MASK) == 0) return PCILIB_ERROR_NOTAVAILABLE;
info->desc.addr = (val & DMA_ENG_NUMBER) >> DMA_ENG_NUMBER_SHIFT;
+ if ((info->desc.addr > PCILIB_MAX_DMA_ENGINES)||(info->desc.addr < 0)) return PCILIB_ERROR_INVALID_DATA;
switch (val & DMA_ENG_DIRECTION_MASK) {
case DMA_ENG_C2S: