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libchip: Avoid __DEVOLATILE()

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This commit is contained in:
Sebastian Huber
2014-03-31 18:30:44 +02:00
parent b9b014ea7e
commit 8118b67065
1 changed files with 9 additions and 11 deletions
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20
c/src/libchip/network/dwmac-desc-enh.c
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@@ -705,8 +705,8 @@ static void dwmac_desc_enh_init_rx_desc(
static int dwmac_desc_enh_destroy_rx_desc( dwmac_common_context *self ) static int dwmac_desc_enh_destroy_rx_desc( dwmac_common_context *self )
{ {
int eno = 0; int eno = 0;
void *desc_mem = __DEVOLATILE( void *, self->dma_rx ); volatile dwmac_desc *dma_rx = self->dma_rx;
if ( self->mbuf_addr_rx != NULL ) { if ( self->mbuf_addr_rx != NULL ) {
@@ -714,10 +714,9 @@ static int dwmac_desc_enh_destroy_rx_desc( dwmac_common_context *self )
self->mbuf_addr_rx = NULL; self->mbuf_addr_rx = NULL;
} }
if ( desc_mem != NULL ) { if ( dma_rx != NULL ) {
eno = self->CFG->CALLBACK.mem_free_nocache( self->arg, desc_mem ); eno = self->CFG->CALLBACK.mem_free_nocache( self->arg, dma_rx );
desc_mem = NULL; self->dma_rx = NULL;
self->dma_rx = (volatile dwmac_desc *) desc_mem;
} }
DWMAC_COMMON_DSB(); DWMAC_COMMON_DSB();
@@ -742,8 +741,7 @@ static void dwmac_desc_enh_release_rx_bufs( dwmac_common_context *self )
MFREE( self->mbuf_addr_rx[i], dummy ); MFREE( self->mbuf_addr_rx[i], dummy );
(void) dummy; (void) dummy;
memset( __DEVOLATILE( void *, memset(&p_enh[i].erx, 0, sizeof( dwmac_desc_ext ) );
&p_enh[i].erx ), 0, sizeof( dwmac_desc_ext ) );
} }
} }
@@ -754,12 +752,12 @@ static void dwmac_desc_enh_release_rx_bufs( dwmac_common_context *self )
static int dwmac_desc_enh_create_tx_desc( dwmac_common_context *self ) static int dwmac_desc_enh_create_tx_desc( dwmac_common_context *self )
{ {
int eno = 0; int eno = 0;
void *mem_desc = __DEVOLATILE( void *, self->dma_tx ); void *mem_desc = NULL;
const size_t NUM_DESCS = (size_t) self->bsd_config->xbuf_count; const size_t NUM_DESCS = (size_t) self->bsd_config->xbuf_count;
const size_t SIZE_DESCS = NUM_DESCS * sizeof( dwmac_desc_ext ); const size_t SIZE_DESCS = NUM_DESCS * sizeof( dwmac_desc_ext );
assert( mem_desc == NULL ); assert( self->dma_tx == NULL );
/* Allocate an array of mbuf pointers */ /* Allocate an array of mbuf pointers */
self->mbuf_addr_tx = calloc( NUM_DESCS, sizeof( struct mbuf * ) ); self->mbuf_addr_tx = calloc( NUM_DESCS, sizeof( struct mbuf * ) );
@@ -786,7 +784,7 @@ static int dwmac_desc_enh_create_tx_desc( dwmac_common_context *self )
} }
if ( eno == 0 ) { if ( eno == 0 ) {
self->dma_tx = (volatile dwmac_desc *) mem_desc; self->dma_tx = mem_desc;
DWMAC_COMMON_DSB(); DWMAC_COMMON_DSB();
} }