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Merge branch 'topic/ti' into for-linus

This commit is contained in:
Vinod Koul 2017-11-14 10:37:13 +05:30
parent d2045ba3a4 288e7560e4
commit 8e6c1db351
3 changed files with 14 additions and 4 deletions
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5
drivers/dma/edma.c
View File

@ -891,6 +891,10 @@ static int edma_slave_config(struct dma_chan *chan,
cfg->dst_addr_width == DMA_SLAVE_BUSWIDTH_8_BYTES)
return -EINVAL;
if (cfg->src_maxburst > chan->device->max_burst ||
cfg->dst_maxburst > chan->device->max_burst)
return -EINVAL;
memcpy(&echan->cfg, cfg, sizeof(echan->cfg));
return 0;
@ -1855,6 +1859,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode)
s_ddev->dst_addr_widths = EDMA_DMA_BUSWIDTHS;
s_ddev->directions |= (BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV));
s_ddev->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
s_ddev->max_burst = SZ_32K - 1; /* CIDX: 16bit signed */
s_ddev->dev = ecc->dev;
INIT_LIST_HEAD(&s_ddev->channels);

5
drivers/dma/omap-dma.c
View File

@ -1288,6 +1288,10 @@ static int omap_dma_slave_config(struct dma_chan *chan, struct dma_slave_config
cfg->dst_addr_width == DMA_SLAVE_BUSWIDTH_8_BYTES)
return -EINVAL;
if (cfg->src_maxburst > chan->device->max_burst ||
cfg->dst_maxburst > chan->device->max_burst)
return -EINVAL;
memcpy(&c->cfg, cfg, sizeof(c->cfg));
return 0;
@ -1482,6 +1486,7 @@ static int omap_dma_probe(struct platform_device *pdev)
od->ddev.dst_addr_widths = OMAP_DMA_BUSWIDTHS;
od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
od->ddev.max_burst = SZ_16M - 1; /* CCEN: 24bit unsigned */
od->ddev.dev = &pdev->dev;
INIT_LIST_HEAD(&od->ddev.channels);
spin_lock_init(&od->lock);

8
drivers/dma/ti-dma-crossbar.c
View File

@ -49,12 +49,12 @@ struct ti_am335x_xbar_data {
struct ti_am335x_xbar_map {
u16 dma_line;
u16 mux_val;
u8 mux_val;
};
static inline void ti_am335x_xbar_write(void __iomem *iomem, int event, u16 val)
static inline void ti_am335x_xbar_write(void __iomem *iomem, int event, u8 val)
{
writeb_relaxed(val & 0x1f, iomem + event);
writeb_relaxed(val, iomem + event);
}
static void ti_am335x_xbar_free(struct device *dev, void *route_data)
@ -105,7 +105,7 @@ static void *ti_am335x_xbar_route_allocate(struct of_phandle_args *dma_spec,
}
map->dma_line = (u16)dma_spec->args[0];
map->mux_val = (u16)dma_spec->args[2];
map->mux_val = (u8)dma_spec->args[2];
dma_spec->args[2] = 0;
dma_spec->args_count = 2;