riot-ci/RIOT
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

stm32/dma: Remove superfluous asserts from DMA hot path

Browse Source 
This commit removes a number of assert statements that should already
have been hit before. This is the reason that the assert in the
acquire function is left.
This commit is contained in:
Koen Zandberg 2020-05-15 13:28:56 +02:00
parent 6793e7473b
commit 138c0c2a54
No known key found for this signature in database
GPG Key ID: 0895A893E6D2985B
1 changed files with 0 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
cpu/stm32/periph/dma.c
View File

@ -248,8 +248,6 @@ static inline void dma_isr_enable(int stream)
static inline uint32_t dma_all_flags(dma_t dma)
{
assert(dma < DMA_NUMOF);
#if CPU_FAM_STM32F2 || CPU_FAM_STM32F4 || CPU_FAM_STM32F7
switch (dma_config[dma].stream & 0x3) {
case 0: /* 0 and 4 */
@ -270,8 +268,6 @@ static inline uint32_t dma_all_flags(dma_t dma)
static void dma_clear_all_flags(dma_t dma)
{
assert(dma < DMA_NUMOF);
DMA_TypeDef *dma_dev = dma_base(dma_config[dma].stream);
#if CPU_FAM_STM32F2 || CPU_FAM_STM32F4 || CPU_FAM_STM32F7
@ -359,7 +355,6 @@ int dma_configure(dma_t dma, int chan, const volatile void *src, volatile void *
{
assert(src != NULL);
assert(dst != NULL);
assert(dma < DMA_NUMOF);
int stream_n = dma_config[dma].stream;
uint32_t inc_periph;
@ -415,8 +410,6 @@ int dma_configure(dma_t dma, int chan, const volatile void *src, volatile void *
void dma_start(dma_t dma)
{
assert(dma < DMA_NUMOF);
STM32_DMA_Stream_Type *stream = dma_stream(dma_config[dma].stream);
stream->CONTROL_REG |= DMA_EN;
@ -460,8 +453,6 @@ void dma_resume(dma_t dma, uint16_t remaining)
void dma_stop(dma_t dma)
{
assert(dma < DMA_NUMOF);
STM32_DMA_Stream_Type *stream = dma_stream(dma_config[dma].stream);
stream->CONTROL_REG &= ~(uint32_t)DMA_EN;
@ -469,8 +460,6 @@ void dma_stop(dma_t dma)
void dma_wait(dma_t dma)
{
assert(dma < DMA_NUMOF);
mutex_lock(&dma_ctx[dma].sync_lock);
}