| mtk-hsdma.c (c1144d29f405ce1f4e6ede6482beb3d0d09750c6) | mtk-hsdma.c (750afb08ca71310fcf0c4e2cb1565c63b8235b60) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0 2// Copyright (c) 2017-2018 MediaTek Inc. 3 4/* 5 * Driver for MediaTek High-Speed DMA Controller 6 * 7 * Author: Sean Wang <sean.wang@mediatek.com> 8 * --- 311 unchanged lines hidden (view full) --- 320 321 memset(pc, 0, sizeof(*pc)); 322 323 /* 324 * Allocate ring space where [0 ... MTK_DMA_SIZE - 1] is for TX ring 325 * and [MTK_DMA_SIZE ... 2 * MTK_DMA_SIZE - 1] is for RX ring. 326 */ 327 pc->sz_ring = 2 * MTK_DMA_SIZE * sizeof(*ring->txd); | 1// SPDX-License-Identifier: GPL-2.0 2// Copyright (c) 2017-2018 MediaTek Inc. 3 4/* 5 * Driver for MediaTek High-Speed DMA Controller 6 * 7 * Author: Sean Wang <sean.wang@mediatek.com> 8 * --- 311 unchanged lines hidden (view full) --- 320 321 memset(pc, 0, sizeof(*pc)); 322 323 /* 324 * Allocate ring space where [0 ... MTK_DMA_SIZE - 1] is for TX ring 325 * and [MTK_DMA_SIZE ... 2 * MTK_DMA_SIZE - 1] is for RX ring. 326 */ 327 pc->sz_ring = 2 * MTK_DMA_SIZE * sizeof(*ring->txd); |
| 328 ring->txd = dma_zalloc_coherent(hsdma2dev(hsdma), pc->sz_ring, 329 &ring->tphys, GFP_NOWAIT); | 328 ring->txd = dma_alloc_coherent(hsdma2dev(hsdma), pc->sz_ring, 329 &ring->tphys, GFP_NOWAIT); |
| 330 if (!ring->txd) 331 return -ENOMEM; 332 333 ring->rxd = &ring->txd[MTK_DMA_SIZE]; 334 ring->rphys = ring->tphys + MTK_DMA_SIZE * sizeof(*ring->txd); 335 ring->cur_tptr = 0; 336 ring->cur_rptr = MTK_DMA_SIZE - 1; 337 --- 719 unchanged lines hidden --- | 330 if (!ring->txd) 331 return -ENOMEM; 332 333 ring->rxd = &ring->txd[MTK_DMA_SIZE]; 334 ring->rphys = ring->tphys + MTK_DMA_SIZE * sizeof(*ring->txd); 335 ring->cur_tptr = 0; 336 ring->cur_rptr = MTK_DMA_SIZE - 1; 337 --- 719 unchanged lines hidden --- |