add proper ebu locking to ifxmips

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11597 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 6 insertions, 22 deletions

diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
index 28f2e263c..8d12ebdaf 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
@@ -43,6 +43,9 @@
 static unsigned int chiprev;
 static struct platform_device *ifxmips_devs[MAX_IFXMIPS_DEVS];
 
+spinlock_t ebu_lock = SPIN_LOCK_UNLOCKED;
+EXPORT_SYMBOL_GPL(ebu_lock);
+
 static struct platform_device
 ifxmips_led[] =
 {
@@ -79,24 +82,6 @@ ifxmips_wdt[] =
 	},
 };
 
-static struct platform_device
-ifxmips_asc0[] =
-{
-	{
-		.id = 0,
-		.name = "ifxmips_asc",
-	},
-};
-
-static struct platform_device
-ifxmips_asc1[] =
-{
-	{
-		.id = 1,
-		.name = "ifxmips_asc",
-	},
-};
-
 static struct physmap_flash_data
 ifxmips_mtd_data = {
 	.width    = 2,
@@ -173,8 +158,6 @@ ifxmips_init_devices(void)
 	ifxmips_devs[dev++] = ifxmips_mii;
 	ifxmips_devs[dev++] = ifxmips_mtd;
 	ifxmips_devs[dev++] = ifxmips_wdt;
-	//ifxmips_devs[dev++] = ifxmips_asc0;
-	ifxmips_devs[dev++] = ifxmips_asc1;
 #ifdef CONFIG_GPIO_DEVICE
 	ifxmips_devs[dev++] = ifxmips_gpio_dev;
 #endif
diff --git a/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c b/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c
index 3eb25821d..e04c246ea 100644
--- a/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c
+++ b/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c
@@ -8,6 +8,7 @@
 #include <asm/ifxmips/ifxmips_irq.h>
 #include <asm/addrspace.h>
 #include <linux/vmalloc.h>
+#include <asm/ifxmips/ifxmips_ebu.h>
 
 #define IFXMIPS_PCI_CFG_BUSNUM_SHF 16
 #define IFXMIPS_PCI_CFG_DEVNUM_SHF 11
@@ -33,7 +34,7 @@ ifxmips_pci_config_access(unsigned char access_type,
 			|| ((devfn & 0xf8) == 0) || ((devfn & 0xf8) == 0x68))
 		return 1;
 
-	local_irq_save(flags);
+	spin_lock_irqsave(&ebu_lock, flags);
 
 	cfg_base = ifxmips_pci_mapped_cfg;
 	cfg_base |= (bus->number << IFXMIPS_PCI_CFG_BUSNUM_SHF) | (devfn <<
@@ -64,7 +65,7 @@ ifxmips_pci_config_access(unsigned char access_type,
 	cfg_base = (ifxmips_pci_mapped_cfg | (0x68 << IFXMIPS_PCI_CFG_FUNNUM_SHF)) + 4;
 	ifxmips_w32(temp, ((u32*)cfg_base));
 
-	local_irq_restore(flags);
+	spin_unlock_irqrestore(&ebu_lock, flags);
 
 	if (((*data) == 0xffffffff) && (access_type == PCI_ACCESS_READ))
 		return 1;