diff options
| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2013-10-18 21:35:32 +0400 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2013-11-14 23:04:38 +0400 |
| commit | 54f8d501e842879143e867e70996574a54d1e130 (patch) | |
| tree | 1fcd65a5152d330167f5eefba5cc5d514ec91da1 /arch/arm/include/asm/hardware | |
| parent | 6f57fd0578dff23a4bd16118f0cb4201bcec91f1 (diff) | |
| download | linux-54f8d501e842879143e867e70996574a54d1e130.tar.xz | |
dmaengine: remove DMA unmap from drivers
Remove support for DMA unmapping from drivers as it is no longer
needed (DMA core code is now handling it).
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[djbw: fix up chan2parent() unused warning in drivers/dma/dw/core.c]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'arch/arm/include/asm/hardware')
| -rw-r--r-- | arch/arm/include/asm/hardware/iop3xx-adma.h | 30 | ||||
| -rw-r--r-- | arch/arm/include/asm/hardware/iop_adma.h | 4 |
2 files changed, 0 insertions, 34 deletions
diff --git a/arch/arm/include/asm/hardware/iop3xx-adma.h b/arch/arm/include/asm/hardware/iop3xx-adma.h index 9b28f1243bdc..240b29ef17db 100644 --- a/arch/arm/include/asm/hardware/iop3xx-adma.h +++ b/arch/arm/include/asm/hardware/iop3xx-adma.h @@ -393,36 +393,6 @@ static inline int iop_chan_zero_sum_slot_count(size_t len, int src_cnt, return slot_cnt; } -static inline int iop_desc_is_pq(struct iop_adma_desc_slot *desc) -{ - return 0; -} - -static inline u32 iop_desc_get_dest_addr(struct iop_adma_desc_slot *desc, - struct iop_adma_chan *chan) -{ - union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; - - switch (chan->device->id) { - case DMA0_ID: - case DMA1_ID: - return hw_desc.dma->dest_addr; - case AAU_ID: - return hw_desc.aau->dest_addr; - default: - BUG(); - } - return 0; -} - - -static inline u32 iop_desc_get_qdest_addr(struct iop_adma_desc_slot *desc, - struct iop_adma_chan *chan) -{ - BUG(); - return 0; -} - static inline u32 iop_desc_get_byte_count(struct iop_adma_desc_slot *desc, struct iop_adma_chan *chan) { diff --git a/arch/arm/include/asm/hardware/iop_adma.h b/arch/arm/include/asm/hardware/iop_adma.h index 122f86d8c991..250760e08103 100644 --- a/arch/arm/include/asm/hardware/iop_adma.h +++ b/arch/arm/include/asm/hardware/iop_adma.h @@ -82,8 +82,6 @@ struct iop_adma_chan { * @slot_cnt: total slots used in an transaction (group of operations) * @slots_per_op: number of slots per operation * @idx: pool index - * @unmap_src_cnt: number of xor sources - * @unmap_len: transaction bytecount * @tx_list: list of descriptors that are associated with one operation * @async_tx: support for the async_tx api * @group_list: list of slots that make up a multi-descriptor transaction @@ -99,8 +97,6 @@ struct iop_adma_desc_slot { u16 slot_cnt; u16 slots_per_op; u16 idx; - u16 unmap_src_cnt; - size_t unmap_len; struct list_head tx_list; struct dma_async_tx_descriptor async_tx; union { |