From 22c1090f91c625ea0922df56653758c142234271 Mon Sep 17 00:00:00 2001 From: blogic Date: Sat, 28 Jun 2008 17:28:31 +0000 Subject: add proper ebu locking to ifxmips git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11597 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../linux/ifxmips/files/arch/mips/ifxmips/board.c | 23 +++------------------- .../ifxmips/files/arch/mips/pci/ops-ifxmips.c | 5 +++-- 2 files changed, 6 insertions(+), 22 deletions(-) (limited to 'target/linux/ifxmips/files/arch/mips') 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 #include #include +#include #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; -- cgit v1.2.3