MIPS: Alchemy: add DMA masks for on-chip ethernet

Makes au1000-eth work again, tested on DB1500.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>

1 files changed, 14 insertions, 8 deletions

diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index 1454d9f6ab2d..b8f3397c59c9 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -131,9 +131,7 @@ static void __init alchemy_setup_uarts(int ctype)
 }
 
 
-/* The dmamask must be set for OHCI/EHCI to work */
-static u64 alchemy_ohci_dmamask = DMA_BIT_MASK(32);
-static u64 __maybe_unused alchemy_ehci_dmamask = DMA_BIT_MASK(32);
+static u64 alchemy_all_dmamask = DMA_BIT_MASK(32);
 
 /* Power on callback for the ehci platform driver */
 static int alchemy_ehci_power_on(struct platform_device *pdev)
@@ -231,7 +229,7 @@ static void __init alchemy_setup_usb(int ctype)
         res[1].flags = IORESOURCE_IRQ;
         pdev->name = "ohci-platform";
         pdev->id = 0;
-        pdev->dev.dma_mask = &alchemy_ohci_dmamask;
+        pdev->dev.dma_mask = &alchemy_all_dmamask;
         pdev->dev.platform_data = &alchemy_ohci_pdata;
 
         if (platform_device_register(pdev))
@@ -251,7 +249,7 @@ static void __init alchemy_setup_usb(int ctype)
                 res[1].flags = IORESOURCE_IRQ;
                 pdev->name = "ehci-platform";
                 pdev->id = 0;
-                pdev->dev.dma_mask = &alchemy_ehci_dmamask;
+                pdev->dev.dma_mask = &alchemy_all_dmamask;
                 pdev->dev.platform_data = &alchemy_ehci_pdata;
 
                 if (platform_device_register(pdev))
@@ -271,7 +269,7 @@ static void __init alchemy_setup_usb(int ctype)
                 res[1].flags = IORESOURCE_IRQ;
                 pdev->name = "ohci-platform";
                 pdev->id = 1;
-                pdev->dev.dma_mask = &alchemy_ohci_dmamask;
+                pdev->dev.dma_mask = &alchemy_all_dmamask;
                 pdev->dev.platform_data = &alchemy_ohci_pdata;
 
                 if (platform_device_register(pdev))
@@ -338,7 +336,11 @@ static struct platform_device au1xxx_eth0_device = {
         .name           = "au1000-eth",
         .id             = 0,
         .num_resources  = MAC_RES_COUNT,
-        .dev.platform_data = &au1xxx_eth0_platform_data,
+        .dev = {
+                .dma_mask               = &alchemy_all_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+                .platform_data          = &au1xxx_eth0_platform_data,
+        },
 };
 
 static struct resource au1xxx_eth1_resources[][MAC_RES_COUNT] __initdata = {
@@ -370,7 +372,11 @@ static struct platform_device au1xxx_eth1_device = {
         .name           = "au1000-eth",
         .id             = 1,
         .num_resources  = MAC_RES_COUNT,
-        .dev.platform_data = &au1xxx_eth1_platform_data,
+        .dev = {
+                .dma_mask               = &alchemy_all_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+                .platform_data          = &au1xxx_eth1_platform_data,
+        },
 };
 
 void __init au1xxx_override_eth_cfg(unsigned int port,