dmaengine: ti: omap-dma: Configure global priority register directly

We can move the global priority register configuration to the dmaengine
driver and configure it based on the of_device_id match data.

Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Vinod Koul <vkoul@kernel.org>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 0 insertions, 36 deletions

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 0f68c6faecad..7d859994ff95 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -557,38 +557,6 @@ void omap_free_dma(int lch)
 }
 EXPORT_SYMBOL(omap_free_dma);
 
-/**
- * @brief omap_dma_set_global_params : Set global priority settings for dma
- *
- * @param arb_rate
- * @param max_fifo_depth
- * @param tparams - Number of threads to reserve : DMA_THREAD_RESERVE_NORM
- * 						   DMA_THREAD_RESERVE_ONET
- * 						   DMA_THREAD_RESERVE_TWOT
- * 						   DMA_THREAD_RESERVE_THREET
- */
-static void
-omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
-{
-	u32 reg;
-
-	if (dma_omap1()) {
-		printk(KERN_ERR "FIXME: no %s on 15xx/16xx\n", __func__);
-		return;
-	}
-
-	if (max_fifo_depth == 0)
-		max_fifo_depth = 1;
-	if (arb_rate == 0)
-		arb_rate = 1;
-
-	reg = 0xff & max_fifo_depth;
-	reg |= (0x3 & tparams) << 12;
-	reg |= (arb_rate & 0xff) << 16;
-
-	p->dma_write(reg, GCR, 0);
-}
-
 /*
  * Clears any DMA state so the DMA engine is ready to restart with new buffers
  * through omap_start_dma(). Any buffers in flight are discarded.
@@ -969,10 +937,6 @@ static int omap_system_dma_probe(struct platform_device *pdev)
 		}
 	}
 
-	if (d->dev_caps & IS_RW_PRIORITY)
-		omap_dma_set_global_params(DMA_DEFAULT_ARB_RATE,
-				DMA_DEFAULT_FIFO_DEPTH, 0);
-
 	/* reserve dma channels 0 and 1 in high security devices on 34xx */
 	if (d->dev_caps & HS_CHANNELS_RESERVED) {
 		pr_info("Reserving DMA channels 0 and 1 for HS ROM code\n");