diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2015-02-17 04:48:19 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-02-23 13:43:23 +0300 |
| commit | 7c6cc8f2012f4146b05b8ec7238f98884100db8c (patch) | |
| tree | 6f279ed38fea7ff688c93727d2febe25afd0a669 /sound/soc/sh/fsi.c | |
| parent | 5b7cdc8068e3f02ff4c6ef75bd7398af244869d4 (diff) | |
| download | linux-7c6cc8f2012f4146b05b8ec7238f98884100db8c.tar.xz | |
ASoC: fsi: Configure DMA slave settings
Current FSI driver is assuming that dst_addr/src_addr of DMAEngine
will be set by platform data. But it should be set via
dmaengine_slave_config(). Special thanks to Arnd
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'sound/soc/sh/fsi.c')
| -rw-r--r-- | sound/soc/sh/fsi.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index dc28b03db6e5..bb20550b007c 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -250,6 +250,7 @@ struct fsi_clk { struct fsi_priv { void __iomem *base; + phys_addr_t phys; struct fsi_master *master; struct fsi_stream playback; @@ -1374,9 +1375,15 @@ static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io, struct dev struct dma_slave_config cfg = {}; int ret; - cfg.dst_addr = 0; /* use default addr */ - cfg.src_addr = 0; /* use default addr */ - cfg.direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM; + if (is_play) { + cfg.dst_addr = fsi->phys + REG_DODT; + cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + cfg.direction = DMA_MEM_TO_DEV; + } else { + cfg.src_addr = fsi->phys + REG_DIDT; + cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + cfg.direction = DMA_DEV_TO_MEM; + } ret = dmaengine_slave_config(io->chan, &cfg); if (ret < 0) { @@ -1940,6 +1947,7 @@ static int fsi_probe(struct platform_device *pdev) /* FSI A setting */ fsi = &master->fsia; fsi->base = master->base; + fsi->phys = res->start; fsi->master = master; fsi_port_info_init(fsi, &info.port_a); fsi_handler_init(fsi, &info.port_a); @@ -1952,6 +1960,7 @@ static int fsi_probe(struct platform_device *pdev) /* FSI B setting */ fsi = &master->fsib; fsi->base = master->base + 0x40; + fsi->phys = res->start + 0x40; fsi->master = master; fsi_port_info_init(fsi, &info.port_b); fsi_handler_init(fsi, &info.port_b); |