Move to the common streaming DMA ops in order to get rid of the direct usage of the ARM MMU functions for the cache maintenance.
Signed-off-by: Lucas Stach <[email protected]> --- drivers/net/fec_imx.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c index 5761256..484ea0d 100644 --- a/drivers/net/fec_imx.c +++ b/drivers/net/fec_imx.c @@ -31,8 +31,6 @@ #include <of_gpio.h> #include <gpio.h> -#include <asm/mmu.h> - #include "fec_imx.h" struct fec_frame { @@ -479,8 +477,9 @@ static int fec_send(struct eth_device *dev, void *eth_data, int data_length) writew(data_length, &fec->tbd_base[fec->tbd_index].data_length); writel((uint32_t)(eth_data), &fec->tbd_base[fec->tbd_index].data_pointer); - dma_flush_range((unsigned long)eth_data, - (unsigned long)(eth_data + data_length)); + + dma_sync_single_for_device((unsigned long)eth_data, data_length, + DMA_TO_DEVICE); /* * update BD's status now * This block: @@ -503,6 +502,8 @@ static int fec_send(struct eth_device *dev, void *eth_data, int data_length) break; } } + dma_sync_single_for_cpu((unsigned long)eth_data, data_length, + DMA_TO_DEVICE); /* for next transmission use the other buffer */ if (fec->tbd_index) @@ -576,7 +577,11 @@ static int fec_recv(struct eth_device *dev) */ frame = phys_to_virt(readl(&rbd->data_pointer)); frame_length = readw(&rbd->data_length) - 4; + dma_sync_single_for_cpu((unsigned long)frame->data, + frame_length, DMA_FROM_DEVICE); net_receive(dev, frame->data, frame_length); + dma_sync_single_for_device((unsigned long)frame->data, + frame_length, DMA_FROM_DEVICE); len = frame_length; } else { if (bd_status & FEC_RBD_ERR) { -- 2.1.0 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
