diff options
Diffstat (limited to 'dma.c')
| -rw-r--r-- | dma.c | 25 |
1 files changed, 4 insertions, 21 deletions
@@ -55,11 +55,11 @@ pcilib_dma_engine_t pcilib_find_dma_by_addr(pcilib_t *ctx, pcilib_dma_direction_ int pcilib_set_dma_engine_description(pcilib_t *ctx, pcilib_dma_engine_t engine, pcilib_dma_engine_description_t *desc) { ctx->dma_info.engines[engine] = desc; + + return 0; } int pcilib_start_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t flags) { - int err; - const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); if (!info) { pcilib_error("DMA is not supported by the device"); @@ -79,8 +79,6 @@ int pcilib_start_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t } int pcilib_stop_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t flags) { - int err; - const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); if (!info) { pcilib_error("DMA is not supported by the device"); @@ -100,8 +98,6 @@ int pcilib_stop_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t f } int pcilib_enable_irq(pcilib_t *ctx, pcilib_irq_type_t irq_type, pcilib_dma_flags_t flags) { - int err; - const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); if (!info) { pcilib_error("DMA is not supported by the device"); @@ -121,8 +117,6 @@ int pcilib_enable_irq(pcilib_t *ctx, pcilib_irq_type_t irq_type, pcilib_dma_flag } int pcilib_disable_irq(pcilib_t *ctx, pcilib_dma_flags_t flags) { - int err; - const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); if (!info) { pcilib_error("DMA is not supported by the device"); @@ -142,8 +136,6 @@ int pcilib_disable_irq(pcilib_t *ctx, pcilib_dma_flags_t flags) { } int pcilib_acknowledge_irq(pcilib_t *ctx, pcilib_irq_type_t irq_type, pcilib_irq_source_t irq_source) { - int err; - const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); if (!info) { pcilib_error("DMA is not supported by the device"); @@ -208,8 +200,6 @@ static int pcilib_dma_skip_callback(void *arg, pcilib_dma_flags_t flags, size_t } int pcilib_stream_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, uintptr_t addr, size_t size, pcilib_dma_flags_t flags, pcilib_timeout_t timeout, pcilib_dma_callback_t cb, void *cbattr) { - int err; - const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); if (!info) { pcilib_error("DMA is not supported by the device"); @@ -231,7 +221,7 @@ int pcilib_stream_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, uintptr_t addr, si return PCILIB_ERROR_NOTAVAILABLE; } - if (info->engines[dma]->direction&PCILIB_DMA_FROM_DEVICE == 0) { + if ((info->engines[dma]->direction&PCILIB_DMA_FROM_DEVICE) == 0) { pcilib_error("The selected engine (%i) is S2C-only and does not support reading", dma); return PCILIB_ERROR_NOTSUPPORTED; } @@ -286,8 +276,6 @@ int pcilib_skip_dma(pcilib_t *ctx, pcilib_dma_engine_t dma) { int pcilib_push_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, uintptr_t addr, size_t size, pcilib_dma_flags_t flags, pcilib_timeout_t timeout, void *buf, size_t *written) { - int err; - const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); if (!info) { pcilib_error("DMA is not supported by the device"); @@ -309,7 +297,7 @@ int pcilib_push_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, uintptr_t addr, size return PCILIB_ERROR_NOTAVAILABLE; } - if (info->engines[dma]->direction&PCILIB_DMA_TO_DEVICE == 0) { + if ((info->engines[dma]->direction&PCILIB_DMA_TO_DEVICE) == 0) { pcilib_error("The selected engine (%i) is C2S-only and does not support writes", dma); return PCILIB_ERROR_NOTSUPPORTED; } @@ -323,8 +311,6 @@ int pcilib_write_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, uintptr_t addr, siz } double pcilib_benchmark_dma(pcilib_t *ctx, pcilib_dma_engine_addr_t dma, uintptr_t addr, size_t size, size_t iterations, pcilib_dma_direction_t direction) { - int err; - const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); if (!info) { pcilib_error("DMA is not supported by the device"); @@ -350,8 +336,6 @@ double pcilib_benchmark_dma(pcilib_t *ctx, pcilib_dma_engine_addr_t dma, uintptr } int pcilib_get_dma_status(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_engine_status_t *status, size_t n_buffers, pcilib_dma_buffer_status_t *buffers) { - int err; - const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); if (!info) { pcilib_error("DMA is not supported by the device"); @@ -374,5 +358,4 @@ int pcilib_get_dma_status(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_eng } return ctx->model_info.dma_api->status(ctx->dma_ctx, dma, status, n_buffers, buffers); - } |