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| author | Linus Walleij <linus.walleij@linaro.org> | 2013-01-04 13:50:49 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-01-07 17:36:24 +0100 |
| commit | 9aab4d6f087a042d702b6e16346378731eeaf48e (patch) | |
| tree | 27784ff762822fd09ffb4813e98e4ef3ae98f8b9 /drivers | |
| parent | 250eac8027c90b881408c40eeeb7b9cb8249304e (diff) | |
| download | linux-9aab4d6f087a042d702b6e16346378731eeaf48e.tar.gz linux-9aab4d6f087a042d702b6e16346378731eeaf48e.tar.bz2 linux-9aab4d6f087a042d702b6e16346378731eeaf48e.zip | |
dma: coh901318: skip hard-coded addresses
Remove hard-coded target addresses altogether. Skip the prefix
"runtime_*" from the variables, since all of these are now
runtime and their names are unique enough already.
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/coh901318.c | 35 |
1 files changed, 13 insertions, 22 deletions
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c index 15e314af22f7..7fa54fb7ab68 100644 --- a/drivers/dma/coh901318.c +++ b/drivers/dma/coh901318.c @@ -1141,8 +1141,8 @@ struct coh901318_chan { unsigned long nbr_active_done; unsigned long busy; - u32 runtime_addr; - u32 runtime_ctrl; + u32 addr; + u32 ctrl; struct coh901318_base *base; }; @@ -1253,15 +1253,6 @@ static inline struct coh901318_chan *to_coh901318_chan(struct dma_chan *chan) return container_of(chan, struct coh901318_chan, chan); } -static inline dma_addr_t -cohc_dev_addr(struct coh901318_chan *cohc) -{ - /* Runtime supplied address will take precedence */ - if (cohc->runtime_addr) - return cohc->runtime_addr; - return cohc->base->platform->chan_conf[cohc->id].dev_addr; -} - static inline const struct coh901318_params * cohc_chan_param(struct coh901318_chan *cohc) { @@ -2118,9 +2109,9 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, * sure the bits you set per peripheral channel are * cleared in the default config from the platform. */ - ctrl_chained |= cohc->runtime_ctrl; - ctrl_last |= cohc->runtime_ctrl; - ctrl |= cohc->runtime_ctrl; + ctrl_chained |= cohc->ctrl; + ctrl_last |= cohc->ctrl; + ctrl |= cohc->ctrl; if (direction == DMA_MEM_TO_DEV) { u32 tx_flags = COH901318_CX_CTRL_PRDD_SOURCE | @@ -2169,7 +2160,7 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, /* initiate allocated lli list */ ret = coh901318_lli_fill_sg(&cohc->base->pool, lli, sgl, sg_len, - cohc_dev_addr(cohc), + cohc->addr, ctrl_chained, ctrl, ctrl_last, @@ -2310,7 +2301,7 @@ static void coh901318_dma_set_runtimeconfig(struct dma_chan *chan, dma_addr_t addr; enum dma_slave_buswidth addr_width; u32 maxburst; - u32 runtime_ctrl = 0; + u32 ctrl = 0; int i = 0; /* We only support mem to per or per to mem transfers */ @@ -2331,7 +2322,7 @@ static void coh901318_dma_set_runtimeconfig(struct dma_chan *chan, addr_width); switch (addr_width) { case DMA_SLAVE_BUSWIDTH_1_BYTE: - runtime_ctrl |= + ctrl |= COH901318_CX_CTRL_SRC_BUS_SIZE_8_BITS | COH901318_CX_CTRL_DST_BUS_SIZE_8_BITS; @@ -2343,7 +2334,7 @@ static void coh901318_dma_set_runtimeconfig(struct dma_chan *chan, break; case DMA_SLAVE_BUSWIDTH_2_BYTES: - runtime_ctrl |= + ctrl |= COH901318_CX_CTRL_SRC_BUS_SIZE_16_BITS | COH901318_CX_CTRL_DST_BUS_SIZE_16_BITS; @@ -2356,7 +2347,7 @@ static void coh901318_dma_set_runtimeconfig(struct dma_chan *chan, break; case DMA_SLAVE_BUSWIDTH_4_BYTES: /* Direction doesn't matter here, it's 32/32 bits */ - runtime_ctrl |= + ctrl |= COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS; @@ -2373,13 +2364,13 @@ static void coh901318_dma_set_runtimeconfig(struct dma_chan *chan, return; } - runtime_ctrl |= burst_sizes[i].reg; + ctrl |= burst_sizes[i].reg; dev_dbg(COHC_2_DEV(cohc), "selected burst size %d bytes for address width %d bytes, maxburst %d\n", burst_sizes[i].burst_8bit, addr_width, maxburst); - cohc->runtime_addr = addr; - cohc->runtime_ctrl = runtime_ctrl; + cohc->addr = addr; + cohc->ctrl = ctrl; } static int |