From da0bac33413b2888d3623dad3ad19ce76b688f07 Mon Sep 17 00:00:00 2001 From: David Daney Date: Mon, 2 Nov 2009 11:33:46 -0800 Subject: [PATCH 1/5] MIPS: Fix emulation of 64-bit FPU on FPU-less 64-bit CPUs. Running a 64-bit kernel on a 64-bit CPU without an FPU would cause the emulator to run in 32-bit mode. The c0_Status.FR bit is wired to zero on systems without an FPU, so using that bit to decide how the emulator behaves doesn't allow for proper emulation on 64-bit FPU-less processors. Instead, we need to select the emulator mode based on the user-space ABI. Since the thread flag TIF_32BIT_REGS is used to set c0_Status.FR, we can just use it to decide if the emulator should be in 32-bit or 64-bit mode. Signed-off-by: David Daney Signed-off-by: Ralf Baechle --- arch/mips/math-emu/cp1emu.c | 41 +++++++++++++++++++------------------ 1 file changed, 21 insertions(+), 20 deletions(-) diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 890f77927d62..454b53924490 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -163,33 +163,34 @@ static int isBranchInstr(mips_instruction * i) /* * In the Linux kernel, we support selection of FPR format on the - * basis of the Status.FR bit. This does imply that, if a full 32 - * FPRs are desired, there needs to be a flip-flop that can be written - * to one at that bit position. In any case, O32 MIPS ABI uses - * only the even FPRs (Status.FR = 0). + * basis of the Status.FR bit. If an FPU is not present, the FR bit + * is hardwired to zero, which would imply a 32-bit FPU even for + * 64-bit CPUs. For 64-bit kernels with no FPU we use TIF_32BIT_REGS + * as a proxy for the FR bit so that a 64-bit FPU is emulated. In any + * case, for a 32-bit kernel which uses the O32 MIPS ABI, only the + * even FPRs are used (Status.FR = 0). */ - -#define CP0_STATUS_FR_SUPPORT - -#ifdef CP0_STATUS_FR_SUPPORT -#define FR_BIT ST0_FR +static inline int cop1_64bit(struct pt_regs *xcp) +{ + if (cpu_has_fpu) + return xcp->cp0_status & ST0_FR; +#ifdef CONFIG_64BIT + return !test_thread_flag(TIF_32BIT_REGS); #else -#define FR_BIT 0 + return 0; #endif +} -#define SIFROMREG(si, x) ((si) = \ - (xcp->cp0_status & FR_BIT) || !(x & 1) ? \ - (int)ctx->fpr[x] : \ - (int)(ctx->fpr[x & ~1] >> 32 )) -#define SITOREG(si, x) (ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)] = \ - (xcp->cp0_status & FR_BIT) || !(x & 1) ? \ +#define SIFROMREG(si, x) ((si) = cop1_64bit(xcp) || !(x & 1) ? \ + (int)ctx->fpr[x] : (int)(ctx->fpr[x & ~1] >> 32)) + +#define SITOREG(si, x) (ctx->fpr[x & ~(cop1_64bit(xcp) == 0)] = \ + cop1_64bit(xcp) || !(x & 1) ? \ ctx->fpr[x & ~1] >> 32 << 32 | (u32)(si) : \ ctx->fpr[x & ~1] << 32 >> 32 | (u64)(si) << 32) -#define DIFROMREG(di, x) ((di) = \ - ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)]) -#define DITOREG(di, x) (ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)] \ - = (di)) +#define DIFROMREG(di, x) ((di) = ctx->fpr[x & ~(cop1_64bit(xcp) == 0)]) +#define DITOREG(di, x) (ctx->fpr[x & ~(cop1_64bit(xcp) == 0)] = (di)) #define SPFROMREG(sp, x) SIFROMREG((sp).bits, x) #define SPTOREG(sp, x) SITOREG((sp).bits, x) From f8ac04255dc8baa1c018e8028222d842efa56e6b Mon Sep 17 00:00:00 2001 From: Yoichi Yuasa Date: Thu, 4 Jun 2009 00:16:04 +0900 Subject: [PATCH 2/5] MIPS: Add DMA declare coherent memory support The ohci-sm501 driver requires dma_declare_coherent_memory(). It is used by the driver's local memory allocation with dma_alloc_coherent(). Tested on TANBAC TB0287(VR4131 + SM501). [Ralf: Fixed reject in dma-default.c and removed the entire #if 0'ed block in dma-mapping.h instead of just the #if 0.] Signed-off-by: Yoichi Yuasa Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 1 + arch/mips/include/asm/dma-mapping.h | 11 +---------- arch/mips/mm/dma-default.c | 7 +++++++ 3 files changed, 9 insertions(+), 10 deletions(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 03bd56a2fb6e..1aad0d9f5074 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1,6 +1,7 @@ config MIPS bool default y + select HAVE_GENERIC_DMA_COHERENT select HAVE_IDE select HAVE_OPROFILE select HAVE_ARCH_KGDB diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h index d16afddb09a9..664ba53dc32a 100644 --- a/arch/mips/include/asm/dma-mapping.h +++ b/arch/mips/include/asm/dma-mapping.h @@ -3,6 +3,7 @@ #include #include +#include void *dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag); @@ -73,14 +74,4 @@ extern int dma_is_consistent(struct device *dev, dma_addr_t dma_addr); extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction); -#if 0 -#define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY - -extern int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, - dma_addr_t device_addr, size_t size, int flags); -extern void dma_release_declared_memory(struct device *dev); -extern void * dma_mark_declared_memory_occupied(struct device *dev, - dma_addr_t device_addr, size_t size); -#endif - #endif /* _ASM_DMA_MAPPING_H */ diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index 7e48e76148aa..9367e33fbd18 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -90,6 +90,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size, { void *ret; + if (dma_alloc_from_coherent(dev, size, dma_handle, &ret)) + return ret; + gfp = massage_gfp_flags(dev, gfp); ret = (void *) __get_free_pages(gfp, get_order(size)); @@ -122,6 +125,10 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle) { unsigned long addr = (unsigned long) vaddr; + int order = get_order(size); + + if (dma_release_from_coherent(dev, order, vaddr)) + return; plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL); From c4304529543114a5df7eeec31ec5ee5c7c924738 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Sun, 8 Nov 2009 02:20:37 +0900 Subject: [PATCH 3/5] MIPS: Make local arrays with CL_SIZE static __initdata Since commit 22242681cff52bfb7cba5d2a37b91802be7a4e4c ("MIPS: Extend COMMAND_LINE_SIZE"), CL_SIZE is 4096 and local array variables with this size will cause an build failure with default CONFIG_FRAME_WARN settings. Although current users of such array variables are all early bootstrap code and not likely to cause real stack overflow (thread_info corruption), it is preferable to to declare these arrays static with __initdata. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/bcm47xx/prom.c | 2 +- arch/mips/mti-malta/malta-memory.c | 3 ++- arch/mips/rb532/prom.c | 2 +- arch/mips/txx9/generic/setup.c | 4 ++-- 4 files changed, 6 insertions(+), 5 deletions(-) diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c index 079e33d52783..fb284c3b2cff 100644 --- a/arch/mips/bcm47xx/prom.c +++ b/arch/mips/bcm47xx/prom.c @@ -100,7 +100,7 @@ static __init void prom_init_console(void) static __init void prom_init_cmdline(void) { - char buf[CL_SIZE]; + static char buf[CL_SIZE] __initdata; /* Get the kernel command line from CFE */ if (cfe_getenv("LINUX_CMDLINE", buf, CL_SIZE) >= 0) { diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c index 61888ff72c87..9035c64bc5ed 100644 --- a/arch/mips/mti-malta/malta-memory.c +++ b/arch/mips/mti-malta/malta-memory.c @@ -54,7 +54,8 @@ static struct prom_pmemblock * __init prom_getmdesc(void) { char *memsize_str; unsigned int memsize; - char cmdline[CL_SIZE], *ptr; + char *ptr; + static char cmdline[CL_SIZE] __initdata; /* otherwise look in the environment */ memsize_str = prom_getenv("memsize"); diff --git a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c index 46ca24dbcc2d..ad5bd1097974 100644 --- a/arch/mips/rb532/prom.c +++ b/arch/mips/rb532/prom.c @@ -69,7 +69,7 @@ static inline unsigned long tag2ul(char *arg, const char *tag) void __init prom_setup_cmdline(void) { - char cmd_line[CL_SIZE]; + static char cmd_line[CL_SIZE] __initdata; char *cp, *board; int prom_argc; char **prom_argv, **prom_envp; diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index e10184c1b3e1..d66802edebb2 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -160,7 +160,7 @@ static void __init prom_init_cmdline(void) int argc; int *argv32; int i; /* Always ignore the "-c" at argv[0] */ - char builtin[CL_SIZE]; + static char builtin[CL_SIZE] __initdata; if (fw_arg0 >= CKSEG0 || fw_arg1 < CKSEG0) { /* @@ -315,7 +315,7 @@ static inline void txx9_cache_fixup(void) static void __init preprocess_cmdline(void) { - char cmdline[CL_SIZE]; + static char cmdline[CL_SIZE] __initdata; char *s; strcpy(cmdline, arcs_cmdline); From 1b12a9c87792550a3d7f5f39eb529c822b911b17 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Wed, 11 Nov 2009 21:38:46 +0900 Subject: [PATCH 4/5] MIPS: TXx9: Update rbtx49xx_defconfig Enable following features: * MTD (RBTX4939, NAND_TXX9NDFMC) * HW_RANDOM (HW_RANDOM_TX4939) * SOUND (SND_SOC_TXX9ACLC) * DMADEVICE (TXX9_DMAC) Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/configs/rbtx49xx_defconfig | 252 ++++++++++++++++++++------- 1 file changed, 192 insertions(+), 60 deletions(-) diff --git a/arch/mips/configs/rbtx49xx_defconfig b/arch/mips/configs/rbtx49xx_defconfig index c69813b8488c..6c6a19aebe1f 100644 --- a/arch/mips/configs/rbtx49xx_defconfig +++ b/arch/mips/configs/rbtx49xx_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.29-rc7 -# Wed Mar 4 23:08:06 2009 +# Linux kernel version: 2.6.32-rc6 +# Sun Nov 8 22:59:47 2009 # CONFIG_MIPS=y @@ -9,16 +9,18 @@ CONFIG_MIPS=y # Machine selection # # CONFIG_MACH_ALCHEMY is not set +# CONFIG_AR7 is not set # CONFIG_BASLER_EXCITE is not set # CONFIG_BCM47XX is not set +# CONFIG_BCM63XX is not set # CONFIG_MIPS_COBALT is not set # CONFIG_MACH_DECSTATION is not set # CONFIG_MACH_JAZZ is not set # CONFIG_LASAT is not set -# CONFIG_LEMOTE_FULONG is not set +# CONFIG_MACH_LOONGSON is not set # CONFIG_MIPS_MALTA is not set # CONFIG_MIPS_SIM is not set -# CONFIG_MACH_EMMA is not set +# CONFIG_NEC_MARKEINS is not set # CONFIG_MACH_VR41XX is not set # CONFIG_NXP_STB220 is not set # CONFIG_NXP_STB225 is not set @@ -45,6 +47,7 @@ CONFIG_MACH_TX49XX=y # CONFIG_WR_PPMC is not set # CONFIG_CAVIUM_OCTEON_SIMULATOR is not set # CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set +# CONFIG_ALCHEMY_GPIO_INDIRECT is not set CONFIG_MACH_TXX9=y CONFIG_TOSHIBA_RBTX4927=y CONFIG_TOSHIBA_RBTX4938=y @@ -86,7 +89,6 @@ CONFIG_DMA_NONCOHERENT=y CONFIG_DMA_NEED_PCI_MAP_STATE=y CONFIG_EARLY_PRINTK=y CONFIG_SYS_HAS_EARLY_PRINTK=y -# CONFIG_HOTPLUG_CPU is not set # CONFIG_NO_IOPORT is not set CONFIG_GENERIC_GPIO=y CONFIG_CPU_BIG_ENDIAN=y @@ -101,7 +103,7 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5 # # CPU selection # -# CONFIG_CPU_LOONGSON2 is not set +# CONFIG_CPU_LOONGSON2E is not set # CONFIG_CPU_MIPS32_R1 is not set # CONFIG_CPU_MIPS32_R2 is not set # CONFIG_CPU_MIPS64_R1 is not set @@ -137,6 +139,7 @@ CONFIG_32BIT=y CONFIG_PAGE_SIZE_4KB=y # CONFIG_PAGE_SIZE_8KB is not set # CONFIG_PAGE_SIZE_16KB is not set +# CONFIG_PAGE_SIZE_32KB is not set # CONFIG_PAGE_SIZE_64KB is not set CONFIG_CPU_HAS_PREFETCH=y CONFIG_MIPS_MT_DISABLED=y @@ -154,7 +157,10 @@ CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y -CONFIG_UNEVICTABLE_LRU=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y +# CONFIG_KSM is not set +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y @@ -175,6 +181,7 @@ CONFIG_PREEMPT_NONE=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" +CONFIG_CONSTRUCTORS=y # # General setup @@ -194,11 +201,12 @@ CONFIG_SYSVIPC_SYSCTL=y # # RCU Subsystem # -CONFIG_CLASSIC_RCU=y -# CONFIG_TREE_RCU is not set -# CONFIG_PREEMPT_RCU is not set +CONFIG_TREE_RCU=y +# CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_RCU_TRACE is not set +CONFIG_RCU_FANOUT=32 +# CONFIG_RCU_FANOUT_EXACT is not set # CONFIG_TREE_RCU_TRACE is not set -# CONFIG_PREEMPT_RCU_TRACE is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 @@ -209,8 +217,12 @@ CONFIG_SYSFS_DEPRECATED_V2=y # CONFIG_NAMESPACES is not set CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" +CONFIG_RD_GZIP=y +# CONFIG_RD_BZIP2 is not set +# CONFIG_RD_LZMA is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y CONFIG_EMBEDDED=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y @@ -220,25 +232,35 @@ CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y # CONFIG_PCSPKR_PLATFORM is not set -CONFIG_COMPAT_BRK=y CONFIG_BASE_FULL=y -# CONFIG_FUTEX is not set -CONFIG_ANON_INODES=y +CONFIG_FUTEX=y # CONFIG_EPOLL is not set CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y + +# +# Kernel Performance Events And Counters +# CONFIG_VM_EVENT_COUNTERS=y CONFIG_PCI_QUIRKS=y +CONFIG_COMPAT_BRK=y CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set # CONFIG_PROFILING is not set CONFIG_HAVE_OPROFILE=y -# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set + +# +# GCOV-based kernel profiling +# +# CONFIG_GCOV_KERNEL is not set +# CONFIG_SLOW_WORK is not set +CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y CONFIG_BASE_SMALL=0 CONFIG_MODULES=y # CONFIG_MODULE_FORCE_LOAD is not set @@ -246,8 +268,8 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_BLOCK=y -# CONFIG_LBD is not set -# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LBDAF is not set +# CONFIG_BLK_DEV_BSG is not set # CONFIG_BLK_DEV_INTEGRITY is not set # @@ -274,6 +296,7 @@ CONFIG_PCI_DOMAINS=y # CONFIG_ARCH_SUPPORTS_MSI is not set # CONFIG_PCI_LEGACY is not set # CONFIG_PCI_STUB is not set +# CONFIG_PCI_IOV is not set CONFIG_MMU=y # @@ -288,6 +311,7 @@ CONFIG_TRAD_SIGNALS=y # # Power management options # +CONFIG_ARCH_HIBERNATION_POSSIBLE=y CONFIG_ARCH_SUSPEND_POSSIBLE=y # CONFIG_PM is not set CONFIG_NET=y @@ -295,7 +319,6 @@ CONFIG_NET=y # # Networking options # -CONFIG_COMPAT_NET_DEV_OPS=y CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -311,6 +334,7 @@ CONFIG_IP_PNP=y # CONFIG_NET_IPIP is not set # CONFIG_NET_IPGRE is not set # CONFIG_IP_MROUTE is not set +# CONFIG_ARPD is not set # CONFIG_SYN_COOKIES is not set # CONFIG_INET_AH is not set # CONFIG_INET_ESP is not set @@ -336,6 +360,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_LLC2 is not set # CONFIG_IPX is not set # CONFIG_ATALK is not set +# CONFIG_PHONET is not set # CONFIG_NET_SCHED is not set # CONFIG_DCB is not set @@ -347,7 +372,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_CAN is not set # CONFIG_IRDA is not set # CONFIG_BT is not set -# CONFIG_PHONET is not set # CONFIG_WIRELESS is not set # CONFIG_WIMAX is not set # CONFIG_RFKILL is not set @@ -365,9 +389,9 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_CONNECTOR is not set CONFIG_MTD=y # CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_TESTS is not set # CONFIG_MTD_CONCAT is not set CONFIG_MTD_PARTITIONS=y -# CONFIG_MTD_TESTS is not set # CONFIG_MTD_REDBOOT_PARTS is not set CONFIG_MTD_CMDLINE_PARTS=y # CONFIG_MTD_AR7_PARTS is not set @@ -376,9 +400,9 @@ CONFIG_MTD_CMDLINE_PARTS=y # User Modules And Translation Layers # CONFIG_MTD_CHAR=y -# CONFIG_MTD_BLKDEVS is not set -# CONFIG_MTD_BLOCK is not set -# CONFIG_MTD_BLOCK_RO is not set +CONFIG_MTD_BLKDEVS=m +CONFIG_MTD_BLOCK=m +CONFIG_MTD_BLOCK_RO=m # CONFIG_FTL is not set # CONFIG_NFTL is not set # CONFIG_INFTL is not set @@ -414,16 +438,20 @@ CONFIG_MTD_CFI_UTIL=y # # Mapping drivers for chip access # -# CONFIG_MTD_COMPLEX_MAPPINGS is not set +CONFIG_MTD_COMPLEX_MAPPINGS=y CONFIG_MTD_PHYSMAP=y # CONFIG_MTD_PHYSMAP_COMPAT is not set +# CONFIG_MTD_PCI is not set +# CONFIG_MTD_GPIO_ADDR is not set # CONFIG_MTD_INTEL_VR_NOR is not set +CONFIG_MTD_RBTX4939=y # CONFIG_MTD_PLATRAM is not set # # Self-contained MTD device drivers # # CONFIG_MTD_PMC551 is not set +# CONFIG_MTD_SST25L is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set @@ -435,7 +463,15 @@ CONFIG_MTD_PHYSMAP=y # CONFIG_MTD_DOC2000 is not set # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set -# CONFIG_MTD_NAND is not set +CONFIG_MTD_NAND=m +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_IDS=m +# CONFIG_MTD_NAND_CAFE is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +CONFIG_MTD_NAND_TXX9NDFMC=m # CONFIG_MTD_ONENAND is not set # @@ -471,6 +507,7 @@ CONFIG_IDE=y # # Please see Documentation/ide/ide.txt for help/info on IDE drives # +CONFIG_IDE_XFER_MODE=y CONFIG_IDE_TIMINGS=y # CONFIG_BLK_DEV_IDE_SATA is not set CONFIG_IDE_GD=y @@ -534,8 +571,13 @@ CONFIG_BLK_DEV_IDEDMA=y # # -# A new alternative FireWire stack is available with EXPERIMENTAL=y +# You can enable one or both FireWire driver stacks. # + +# +# See the help texts for more information. +# +# CONFIG_FIREWIRE is not set # CONFIG_IEEE1394 is not set # CONFIG_I2O is not set CONFIG_NETDEVICES=y @@ -574,6 +616,8 @@ CONFIG_MII=y # CONFIG_NET_VENDOR_3COM is not set CONFIG_SMC91X=y # CONFIG_DM9000 is not set +# CONFIG_ETHOC is not set +# CONFIG_DNET is not set # CONFIG_NET_TULIP is not set # CONFIG_HP100 is not set CONFIG_NE2000=y @@ -602,18 +646,15 @@ CONFIG_TC35815=y # CONFIG_SMSC9420 is not set # CONFIG_SUNDANCE is not set # CONFIG_TLAN is not set +# CONFIG_KS8842 is not set +# CONFIG_KS8851 is not set +# CONFIG_KS8851_MLL is not set # CONFIG_VIA_RHINE is not set # CONFIG_ATL2 is not set # CONFIG_NETDEV_1000 is not set # CONFIG_NETDEV_10000 is not set # CONFIG_TR is not set - -# -# Wireless LAN -# -# CONFIG_WLAN_PRE80211 is not set -# CONFIG_WLAN_80211 is not set -# CONFIG_IWLWIFI_LEDS is not set +# CONFIG_WLAN is not set # # Enable WiMAX (Networking options) to see the WiMAX drivers @@ -653,6 +694,7 @@ CONFIG_DEVKMEM=y # # Non-8250 serial port support # +# CONFIG_SERIAL_MAX3100 is not set CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_TXX9=y @@ -666,7 +708,9 @@ CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_IPMI_HANDLER is not set -# CONFIG_HW_RANDOM is not set +CONFIG_HW_RANDOM=m +# CONFIG_HW_RANDOM_TIMERIOMEM is not set +CONFIG_HW_RANDOM_TX4939=m # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set # CONFIG_RAW_DRIVER is not set @@ -686,6 +730,10 @@ CONFIG_SPI_TXX9=y # SPI Protocol Masters # # CONFIG_SPI_TLE62X0 is not set + +# +# PPS support +# CONFIG_ARCH_REQUIRE_GPIOLIB=y CONFIG_GPIOLIB=y @@ -701,17 +749,22 @@ CONFIG_GPIOLIB=y # PCI GPIO expanders: # # CONFIG_GPIO_BT8XX is not set +# CONFIG_GPIO_LANGWELL is not set # # SPI GPIO expanders: # # CONFIG_GPIO_MAX7301 is not set # CONFIG_GPIO_MCP23S08 is not set +# CONFIG_GPIO_MC33880 is not set + +# +# AC97 GPIO expanders: +# # CONFIG_W1 is not set # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set # CONFIG_THERMAL is not set -# CONFIG_THERMAL_HWMON is not set CONFIG_WATCHDOG=y # CONFIG_WATCHDOG_NOWAYOUT is not set @@ -740,28 +793,17 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_CORE is not set # CONFIG_MFD_SM501 is not set # CONFIG_HTC_PASIC3 is not set +# CONFIG_UCB1400_CORE is not set # CONFIG_MFD_TMIO is not set +# CONFIG_MFD_MC13783 is not set +# CONFIG_EZX_PCAP is not set # CONFIG_REGULATOR is not set - -# -# Multimedia devices -# - -# -# Multimedia core support -# -# CONFIG_VIDEO_DEV is not set -# CONFIG_DVB_CORE is not set -# CONFIG_VIDEO_MEDIA is not set - -# -# Multimedia drivers -# -# CONFIG_DAB is not set +# CONFIG_MEDIA_SUPPORT is not set # # Graphics support # +# CONFIG_VGA_ARB is not set # CONFIG_DRM is not set # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set @@ -772,7 +814,42 @@ CONFIG_SSB_POSSIBLE=y # Display device support # # CONFIG_DISPLAY_SUPPORT is not set -# CONFIG_SOUND is not set +CONFIG_SOUND=m +# CONFIG_SOUND_OSS_CORE is not set +CONFIG_SND=m +CONFIG_SND_TIMER=m +CONFIG_SND_PCM=m +# CONFIG_SND_SEQUENCER is not set +# CONFIG_SND_MIXER_OSS is not set +# CONFIG_SND_PCM_OSS is not set +# CONFIG_SND_HRTIMER is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +# CONFIG_SND_SUPPORT_OLD_API is not set +# CONFIG_SND_VERBOSE_PROCFS is not set +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +CONFIG_SND_VMASTER=y +# CONFIG_SND_RAWMIDI_SEQ is not set +# CONFIG_SND_OPL3_LIB_SEQ is not set +# CONFIG_SND_OPL4_LIB_SEQ is not set +# CONFIG_SND_SBAWE_SEQ is not set +# CONFIG_SND_EMU10K1_SEQ is not set +CONFIG_SND_AC97_CODEC=m +# CONFIG_SND_DRIVERS is not set +# CONFIG_SND_PCI is not set +# CONFIG_SND_SPI is not set +# CONFIG_SND_MIPS is not set +CONFIG_SND_SOC=m +CONFIG_SND_SOC_AC97_BUS=y +CONFIG_SND_SOC_TXX9ACLC=m +CONFIG_HAS_TXX9_ACLC=y +CONFIG_SND_SOC_TXX9ACLC_AC97=m +CONFIG_SND_SOC_TXX9ACLC_GENERIC=m +CONFIG_SND_SOC_I2C_AND_SPI=m +# CONFIG_SND_SOC_ALL_CODECS is not set +CONFIG_SND_SOC_AC97_CODEC=m +# CONFIG_SOUND_PRIME is not set +CONFIG_AC97_BUS=m # CONFIG_USB_SUPPORT is not set # CONFIG_MMC is not set # CONFIG_MEMSTICK is not set @@ -783,6 +860,8 @@ CONFIG_LEDS_CLASS=y # LED drivers # CONFIG_LEDS_GPIO=y +CONFIG_LEDS_GPIO_PLATFORM=y +# CONFIG_LEDS_DAC124S085 is not set # # LED Triggers @@ -792,7 +871,12 @@ CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_IDE_DISK=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y # CONFIG_LEDS_TRIGGER_BACKLIGHT is not set +# CONFIG_LEDS_TRIGGER_GPIO is not set # CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set + +# +# iptables trigger is under Netfilter config (LED target) +# # CONFIG_ACCESSIBILITY is not set # CONFIG_INFINIBAND is not set CONFIG_RTC_LIB=y @@ -820,6 +904,7 @@ CONFIG_RTC_INTF_DEV_UIE_EMUL=y # CONFIG_RTC_DRV_R9701 is not set CONFIG_RTC_DRV_RS5C348=y # CONFIG_RTC_DRV_DS3234 is not set +# CONFIG_RTC_DRV_PCF2123 is not set # # Platform RTC drivers @@ -840,8 +925,26 @@ CONFIG_RTC_DRV_DS1742=y # on-CPU RTC drivers # CONFIG_RTC_DRV_TX4939=y -# CONFIG_DMADEVICES is not set +CONFIG_DMADEVICES=y + +# +# DMA Devices +# +CONFIG_TXX9_DMAC=m +CONFIG_DMA_ENGINE=y + +# +# DMA Clients +# +# CONFIG_NET_DMA is not set +# CONFIG_ASYNC_TX_DMA is not set +# CONFIG_DMATEST is not set +# CONFIG_AUXDISPLAY is not set # CONFIG_UIO is not set + +# +# TI VLYNQ +# # CONFIG_STAGING is not set # @@ -853,9 +956,10 @@ CONFIG_RTC_DRV_TX4939=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y -CONFIG_FILE_LOCKING=y # CONFIG_XFS_FS is not set # CONFIG_OCFS2_FS is not set +CONFIG_FILE_LOCKING=y +CONFIG_FSNOTIFY=y # CONFIG_DNOTIFY is not set CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y @@ -865,6 +969,10 @@ CONFIG_INOTIFY_USER=y # CONFIG_FUSE_FS is not set CONFIG_GENERIC_ACL=y +# +# Caches +# + # # CD-ROM/DVD Filesystems # @@ -890,7 +998,27 @@ CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y # CONFIG_HUGETLB_PAGE is not set # CONFIG_CONFIGFS_FS is not set -# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_MISC_FILESYSTEMS=y +# CONFIG_HFSPLUS_FS is not set +CONFIG_JFFS2_FS=m +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +# CONFIG_CRAMFS is not set +# CONFIG_SQUASHFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y @@ -922,6 +1050,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=1024 # CONFIG_MAGIC_SYSRQ is not set +CONFIG_STRIP_ASM_SYMS=y # CONFIG_UNUSED_SYMBOLS is not set CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set @@ -929,11 +1058,9 @@ CONFIG_DEBUG_FS=y # CONFIG_DEBUG_MEMORY_INIT is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set CONFIG_SYSCTL_SYSCALL_CHECK=y - -# -# Tracers -# -# CONFIG_DYNAMIC_PRINTK_DEBUG is not set +CONFIG_TRACING_SUPPORT=y +# CONFIG_FTRACE is not set +# CONFIG_DYNAMIC_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y CONFIG_CMDLINE="" @@ -946,6 +1073,7 @@ CONFIG_CMDLINE="" # CONFIG_SECURITYFS is not set # CONFIG_SECURITY_FILE_CAPABILITIES is not set # CONFIG_CRYPTO is not set +# CONFIG_BINARY_PRINTF is not set # # Library routines @@ -959,6 +1087,10 @@ CONFIG_GENERIC_FIND_LAST_BIT=y CONFIG_CRC32=y # CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=m +CONFIG_DECOMPRESS_GZIP=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y +CONFIG_NLATTR=y From 5df9d11be46a9f704208644a1e7f13c6104ecff2 Mon Sep 17 00:00:00 2001 From: "Kevin D. Kissell" Date: Tue, 10 Nov 2009 11:45:46 -0800 Subject: [PATCH 5/5] MIPS: SMTC: Fix lockup in smtc_distribute_timer 1. At the end of smtc_distribute_timer, nextstamp is valid and has already passed so we goto repeat. 2. Nothing updates nextstamp (only updated if the timeout is in the future And we just decided it is in the past) 3. At the end nextstamp still has the same value so it is still valid and in the past. 4. This repeats until read_c0_count has a value which causes nextstamp to be in the future. Reported and initial patch and testing by Mikael Starvik . Signed-off-by: Kevin D. Kissell Cc: Mikael Starvik Cc: linux-mips@linux-mips.org Cc: Jesper Nilsson Patchwork: http://patchwork.linux-mips.org/patch/621/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/cevt-smtc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/mips/kernel/cevt-smtc.c b/arch/mips/kernel/cevt-smtc.c index 98bd7de75778..b102e4f1630e 100644 --- a/arch/mips/kernel/cevt-smtc.c +++ b/arch/mips/kernel/cevt-smtc.c @@ -173,11 +173,12 @@ void smtc_distribute_timer(int vpe) unsigned int mtflags; int cpu; struct clock_event_device *cd; - unsigned long nextstamp = 0L; + unsigned long nextstamp; unsigned long reference; repeat: + nextstamp = 0L; for_each_online_cpu(cpu) { /* * Find virtual CPUs within the current VPE who have