Merge branch 'topic/ti' into for-linus

drivers/dma/edma.c

@@ -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);

drivers/dma/omap-dma.c

@@ -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);

drivers/dma/ti-dma-crossbar.c

@@ -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;