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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-06-28 17:28:31 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-06-28 17:28:31 +0000
commit22c1090f91c625ea0922df56653758c142234271 (patch)
tree281f1363fa968df433684a06a8fd44a4abc66595 /target/linux/ifxmips/files/arch
parent6ddec82f97677610a82261d7c22cf2dd82b407b5 (diff)
add proper ebu locking to ifxmips
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11597 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ifxmips/files/arch')
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/board.c23
-rw-r--r--target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c5
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;