dmaengine: dw: define DW_DMA_MAX_NR_MASTERS

Instead of using magic number in the code the patch provides
DW_DMA_MAX_NR_MASTERS constant.

While here, restrict the reading of data width array by amount of the actual
number of AHB masters.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

3 files changed, 4 insertions, 4 deletions

diff --git a/arch/arc/boot/dts/abilis_tb10x.dtsi b/arch/arc/boot/dts/abilis_tb10x.dtsi
index a098d7c05e96..cfb5052239a1 100644
--- a/arch/arc/boot/dts/abilis_tb10x.dtsi
+++ b/arch/arc/boot/dts/abilis_tb10x.dtsi
@@ -112,7 +112,7 @@
                         chan_allocation_order = <0>;
                         chan_priority = <1>;
                         block_size = <0x7ff>;
-                        data_width = <2 0 0 0>;
+                        data_width = <2>;
                         clocks = <&ahb_clk>;
                         clock-names = "hclk";
                 };
diff --git a/arch/arm/boot/dts/spear13xx.dtsi b/arch/arm/boot/dts/spear13xx.dtsi
index a6eb5436d26d..40accc87e3a2 100644
--- a/arch/arm/boot/dts/spear13xx.dtsi
+++ b/arch/arm/boot/dts/spear13xx.dtsi
@@ -117,7 +117,7 @@
                         chan_priority = <1>;
                         block_size = <0xfff>;
                         dma-masters = <2>;
-                        data_width = <3 3 0 0>;
+                        data_width = <3 3>;
                 };
 
                 dma@eb000000 {
@@ -133,7 +133,7 @@
                         chan_allocation_order = <1>;
                         chan_priority = <1>;
                         block_size = <0xfff>;
-                        data_width = <3 3 0 0>;
+                        data_width = <3 3>;
                 };
 
                 fsmc: flash@b0000000 {
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index cc92cdb9994c..1d8b147282cf 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -607,7 +607,7 @@ static struct dw_dma_platform_data dw_dmac0_data = {
         .nr_channels    = 3,
         .block_size     = 4095U,
         .nr_masters     = 2,
-        .data_width     = { 2, 2, 0, 0 },
+        .data_width     = { 2, 2 },
 };
 
 static struct resource dw_dmac0_resource[] = {