diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/fsl/jr.c | 28 | ||||
| -rw-r--r-- | drivers/crypto/fsl/jr.h | 2 |
2 files changed, 18 insertions, 12 deletions
diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c index b553e3c583..4566ec3671 100644 --- a/drivers/crypto/fsl/jr.c +++ b/drivers/crypto/fsl/jr.c @@ -95,14 +95,16 @@ static int jr_init(void) JR_SIZE * sizeof(dma_addr_t)); if (!jr.input_ring) return -1; + + jr.op_size = roundup(JR_SIZE * sizeof(struct op_ring), + ARCH_DMA_MINALIGN); jr.output_ring = - (struct op_ring *)memalign(ARCH_DMA_MINALIGN, - JR_SIZE * sizeof(struct op_ring)); + (struct op_ring *)memalign(ARCH_DMA_MINALIGN, jr.op_size); if (!jr.output_ring) return -1; memset(jr.input_ring, 0, JR_SIZE * sizeof(dma_addr_t)); - memset(jr.output_ring, 0, JR_SIZE * sizeof(struct op_ring)); + memset(jr.output_ring, 0, jr.op_size); start_jr0(); @@ -190,8 +192,8 @@ static int jr_enqueue(uint32_t *desc_addr, unsigned long start = (unsigned long)&jr.info[head] & ~(ARCH_DMA_MINALIGN - 1); - unsigned long end = ALIGN(start + sizeof(struct jr_info), - ARCH_DMA_MINALIGN); + unsigned long end = ALIGN((unsigned long)&jr.info[head] + + sizeof(struct jr_info), ARCH_DMA_MINALIGN); flush_dcache_range(start, end); #ifdef CONFIG_PHYS_64BIT @@ -216,11 +218,19 @@ static int jr_enqueue(uint32_t *desc_addr, #endif /* ifdef CONFIG_PHYS_64BIT */ start = (unsigned long)&jr.input_ring[head] & ~(ARCH_DMA_MINALIGN - 1); - end = ALIGN(start + sizeof(phys_addr_t), ARCH_DMA_MINALIGN); + end = ALIGN((unsigned long)&jr.input_ring[head] + + sizeof(dma_addr_t), ARCH_DMA_MINALIGN); flush_dcache_range(start, end); jr.head = (head + 1) & (jr.size - 1); + /* Invalidate output ring */ + start = (unsigned long)jr.output_ring & + ~(ARCH_DMA_MINALIGN - 1); + end = ALIGN((unsigned long)jr.output_ring + jr.op_size, + ARCH_DMA_MINALIGN); + invalidate_dcache_range(start, end); + sec_out32(®s->irja, 1); return 0; @@ -241,12 +251,6 @@ static int jr_dequeue(void) #endif while (sec_in32(®s->orsf) && CIRC_CNT(jr.head, jr.tail, jr.size)) { - unsigned long start = (unsigned long)jr.output_ring & - ~(ARCH_DMA_MINALIGN - 1); - unsigned long end = ALIGN(start + - sizeof(struct op_ring)*JR_SIZE, - ARCH_DMA_MINALIGN); - invalidate_dcache_range(start, end); found = 0; diff --git a/drivers/crypto/fsl/jr.h b/drivers/crypto/fsl/jr.h index 5899696e8a..545d964ced 100644 --- a/drivers/crypto/fsl/jr.h +++ b/drivers/crypto/fsl/jr.h @@ -72,6 +72,8 @@ struct jobring { int write_idx; /* Size of the rings. */ int size; + /* Op ring size aligned to cache line size */ + int op_size; /* The ip and output rings have to be accessed by SEC. So the * pointers will ahve to point to the housekeeping region provided * by SEC |