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MIPS R2 documents state that an execution hazard barrier is needed
after a TLBR before reading EntryLo.
Original patch by Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/5526/
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CC arch/mips/kernel/rtlx.o
/home/ralf/src/linux/upstream-sfr/arch/mips/kernel/rtlx.c: In function ‘file_write’:
/home/ralf/src/linux/upstream-sfr/arch/mips/kernel/rtlx.c:439:23: error: unused variable ‘rt’ [-Werror=unused-variable]
/home/ralf/src/linux/upstream-sfr/arch/mips/kernel/rtlx.c: In function ‘rtlx_module_init’:
/home/ralf/src/linux/upstream-sfr/arch/mips/kernel/rtlx.c:523:3: error: implicit declaration of function ‘set_vi_handler’ [-Werror=implicit-function-declaration]
cc1: all warnings being treated as errors
Caused by 496ad9aa8ef448058e36ca7a787c61f2e63f0f54 [new helper:
file_inode(file)].
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fixes the following linking problem:
drivers/watchdog/sb_wdog.c:211: undefined reference to `__udivdi3'
This results from reading a 64 bit register, then dividing the value by
1000000. For 32 bit kernels gcc will use the helper function __udivdi3
from libgcc which the kernel intentionally doesn't provide.
In the read registerbits 23..63 are always zero and only bits 0..22 are
signficant. So a simple cast to truncate the read value to 32 bits
fixes the issue.
Reported and initial patch by Markos Chandras <markos.chandras@imgtec.com>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: Markos Chandras <markos.chandras@imgtec.com>
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Remove the bogus selects on USB-related symbols for 6345 and 6338, not
only we do not yet support USB on BCM63XX, but they also cause the
following warnings:
warning: (BCM63XX_CPU_6338 && BCM63XX_CPU_6345) selects
USB_OHCI_BIG_ENDIAN_MMIO which has unmet direct dependencies
(USB_SUPPORT && USB && USB_OHCI_HCD)
warning: (BCM63XX_CPU_6338 && BCM63XX_CPU_6345) selects
USB_OHCI_BIG_ENDIAN_DESC which has unmet direct dependencies
(USB_SUPPORT && USB && USB_OHCI_HCD)
make[4]: Leaving directory `/home/florian/dev/linux'
Just get rid of these bogus Kconfig selects because neither 6345 nor
6338 actually have built-in USB host controllers.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: cernekee@gmail.com
Cc: jogo@openwrt.org
Patchwork: http://patchwork.linux-mips.org/patch/5497/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Writing a value to a WatchLo* register creates an execution hazard, so
if its value is then read before that hazard is cleared then said value
may be invalid. The mips_probe_watch_registers function must therefore
clear the execution hazard between setting the match bits in a WatchLo*
register & reading the register back in order to check which are set.
This fixes intermittent incorrect watchpoint register probing on some
MIPS cores such as interAptiv & proAptiv.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/5474/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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PowerTV does not provide a prom_putchar function needed for early
printk so remove this symbol for this platform.
Fixes the following problem when EARLY_PRINTK is enabled for powertv:
arch/mips/kernel/early_printk.c:24: undefined reference to `prom_putchar'
arch/mips/kernel/early_printk.c:23: undefined reference to `prom_putchar'
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5477/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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SIBYTE_BUS_WATCHER is only visible if CONFIG_SIBYTE_BCM112X
or CONFIG_SIBYTE_SB1250 is selected according to the
arch/mips/sibyte/Makefile.
This fixes the following build problem:
arch/mips/mm/cerr-sb1.c:254: undefined reference to `check_bus_watcher'
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: sibyte-users@bitmover.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5482/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CC arch/mips/sibyte/bcm1480/bus_watcher.o
CHK kernel/config_data.h
arch/mips/sibyte/bcm1480/bus_watcher.c: In function ‘check_bus_watcher’:
arch/mips/sibyte/bcm1480/bus_watcher.c:86:82: error: ‘A_SCD_BUS_ERR_STATUS_DEBUG’ undeclared (first use in this function)
arch/mips/sibyte/bcm1480/bus_watcher.c:86:82: note: each undeclared identifier is reported only once for each function it appears in
make[3]: *** [arch/mips/sibyte/bcm1480/bus_watcher.o] Error 1
make[2]: *** [arch/mips/sibyte/bcm1480] Error 2
make[1]: *** [arch/mips/sibyte] Error 2
make: *** [arch/mips] Error 2
The register moved around though it's otherwise the same but because of
the changed address it now also has a different name.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/5514/
Reported-by: Markos Chandras <markos.chandras@imgtec.com>
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CC arch/mips/mm/cerr-sb1.o
arch/mips/mm/cerr-sb1.c: In function ‘sb1_cache_error’:
arch/mips/mm/cerr-sb1.c:186:98: error: ‘M_BCM1480_SCD_TRACE_CFG_FREEZE’ undeclared (first use in this function)
arch/mips/mm/cerr-sb1.c:186:98: note: each undeclared identifier is reported only once for each function it appears in
make[1]: *** [arch/mips/mm/cerr-sb1.o] Error 1
This happens because 8deab1144b553548fb2f1b51affdd36dcd652aaa [[MIPS]
Updated Sibyte headers] changed the headers but not all the users.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: Markos Chandras <markos.chandras@imgtec.com>
Patchwork: https://patchwork.linux-mips.org/patch/5511/
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The write() prototype expects a const char * as argument so declare
it as such.
Fixes the following build problem:
arch/mips/sibyte/common/cfe_console.c:23:5: error: passing argument 2 of
'cfe_write' discards 'const' qualifier from pointer target type [-Werror]
arch/mips/sibyte/common/cfe_console.c:34:4: error: passing argument 2 of
'cfe_write' makes pointer from integer without a cast [-Werror]
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: sibyte-users@bitmover.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5485/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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It's needed for the TASK_INTERRUPTIBLE definition.
Fixes the following build problem:
arch/mips/sibyte/common/sb_tbprof.c:235:4: error: 'TASK_INTERRUPTIBLE'
undeclared (first use in this function)
[ralf@linux-mips.org: Ideally sched.h should be included into the actual
user of TASK_INTERRUPTIBLE, <linux/wait.h> but that seems way too risky
that close to a release.]
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: sibyte-users@bitmover.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5479/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fixes the following build problem:
arch/mips/sibyte/sb1250/bus_watcher.c: In function 'sibyte_bw_int':
arch/mips/sibyte/sb1250/bus_watcher.c:179:7: error: unused variable 'bw_buf'
[-Werror=unused-variable]
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: sibyte-users@bitmover.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5481/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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ap136_pci_init expects a u8 pointer as an argument.
Fixes the following build problem on a randconfig:
arch/mips/ath79/mach-ap136.c:151:2: error:
too many arguments to function 'ap136_pci_init'
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5476/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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OCTEON II cannot execute code in the default CAC_BASE space, so we
supply a value (0x8000000000000000) that does work.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5457/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Remove the software reset register and reset value definitions
from the 'include/asm/mips-boards/generic.h' header file. Also
clean up header and whitespace in platform file.
Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5456/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Remove usage of 'include/asm/mips-boards/generic.h' header file.
Instead, move the defines for SOFTRES_REG and GORESET local to
the platform file.
Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5455/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The soft reset register address and reset value to be written are
incorrect for the SEAD-3 platform. This patch fixes them such that
the SEAD-3 can actually perform a soft reset instead of causing an
exception. Also remove usage of 'include/asm/mips-boards/generic.h'
header file.
Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5454/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Some Loongson boards (e.g. Lemote FuLoong mini-PC) use ISA/southbridge
device (CS5536 general purpose timer) for the timer interrupt. It starts
running early and is already enabled during the PCI configuration,
during which there is a small window in pci_read_base() when the register
access is temporarily disabled. If the timer interrupts at this point,
the system will hang. Fix this by adding a fixup that keeps the register
access always enabled.
The hang the patch fixes usually looks like this:
[ 0.844000] pci 0000:00:0e.0: [1022:2090] type 00 class 0x060100
[ 0.848000] pci 0000:00:0e.0: reg 10: [io 0xb410-0xb417]
[ 0.852000] pci 0000:00:0e.0: reg 14: [io 0xb000-0xb0ff]
[ 0.856000] pci 0000:00:0e.0: reg 18: [io 0xb380-0xb3bf]
[ 28.140000] BUG: soft lockup - CPU#0 stuck for 23s! [swapper:1]
[ 28.140000] Modules linked in:
[ 28.140000] irq event stamp: 37965
[ 28.140000] hardirqs last enabled at (37964): [<ffffffff80204c0c>] restore_partial+0x6c/0x13c
[ 28.140000] hardirqs last disabled at (37965): [<ffffffff80204f8c>] handle_int+0x144/0x15c
[ 28.140000] softirqs last enabled at (24316): [<ffffffff802381f4>] __do_softirq+0x1cc/0x258
[ 28.140000] softirqs last disabled at (24327): [<ffffffff80238420>] do_softirq+0xc8/0xd0
[ 28.140000] Cpu 0
[ 28.140000] $ 0 : 0000000000000000 00000000140044e1 980000009f090000 0000000000000001
[ 28.140000] $ 4 : 980000009f090000 0000000000000000 0000000000000100 03b7fff87fbde011
[ 28.140000] $ 8 : ffffffff812b1928 000000000001e000 043ffff87fbde011 fffffff87fbde011
[ 28.140000] $12 : 000000000000000e ffffffff807a0000 0000000000000698 0000000000000000
[ 28.140000] $16 : 0000000000000002 ffffffff81055e20 ffffffff80786810 0000000000000000
[ 28.140000] $20 : 000000000000000a ffffffff807bc244 ffffffff807e6350 ffffffff80770000
[ 28.140000] $24 : 0000000000000d80 00000000fffedbe0
[ 28.140000] $28 : 980000009f07c000 980000009f07fa10 ffffffff81050000 ffffffff802380f8
[ 28.140000] Hi : 0000000000d0fc00
[ 28.140000] Lo : 0000000000f82b40
[ 28.140000] epc : ffffffff8023810c __do_softirq+0xe4/0x258
[ 28.140000] Not tainted
[ 28.140000] ra : ffffffff802380f8 __do_softirq+0xd0/0x258
[ 28.140000] Status: 140044e3 KX SX UX KERNEL EXL IE
[ 28.140000] Cause : 10008400
[ 28.140000] PrId : 00006303 (ICT Loongson-2)
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/4958/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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FAULT_INJECTION_STACKTRACE_FILTER selects FRAME_POINTER but
that symbol is not available for MIPS.
Fixes the following problem on a randconfig:
warning: (LOCKDEP && FAULT_INJECTION_STACKTRACE_FILTER && LATENCYTOP &&
KMEMCHECK) selects FRAME_POINTER which has unmet direct dependencies
(DEBUG_KERNEL && (CRIS || M68K || FRV || UML || AVR32 || SUPERH || BLACKFIN ||
MN10300 || METAG) || ARCH_WANT_FRAME_POINTERS)
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5441/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Commit abe77f90dc (MIPS: Octeon: Add kexec and kdump support) added a
bootmem region for the kernel image itself. The problem is that this
is rounded up to a 0x100000 boundary, which is memory that may not be
owned by the kernel. Depending on the kernel's configuration based
size, this 'extra' memory may contain data passed from the bootloader
to the kernel itself, which if clobbered makes the kernel crash in
various ways.
The fix: Quit rounding the size up, so that we only use memory
assigned to the kernel.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: <stable@vger.kernel.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5449/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Then <asm-generic/topology.h> will define cpp macro as default definition
for pcibus_to_node resulting in:
CC arch/mips/pci/pci-ip27.o
arch/mips/pci/pci-ip27.c:220:7: error: expected identifier or ‘(’ before ‘void’
arch/mips/pci/pci-ip27.c:220:12: error: expected ‘)’ before ‘(’ token
make[1]: *** [arch/mips/pci/pci-ip27.o] Error 1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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LD init/built-in.o
arch/mips/built-in.o: In function `xtalk_probe_node':
(.cpuinit.text+0x67c): undefined reference to `bridge_probe'
arch/mips/built-in.o: In function `xtalk_probe_node':
(.cpuinit.text+0x7d8): undefined reference to `bridge_probe'
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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LD init/built-in.o
arch/mips/built-in.o: In function `startup_bridge_irq':
ip27-irq.c:(.text+0x434): undefined reference to `irq_to_slot'
ip27-irq.c:(.text+0x43c): undefined reference to `irq_to_slot'
ip27-irq.c:(.text+0x460): undefined reference to `irq_to_bridge'
ip27-irq.c:(.text+0x464): undefined reference to `irq_to_bridge'
arch/mips/built-in.o: In function `shutdown_bridge_irq':
ip27-irq.c:(.text+0x564): undefined reference to `irq_to_bridge'
ip27-irq.c:(.text+0x56c): undefined reference to `irq_to_bridge'
ip27-irq.c:(.text+0x5a0): undefined reference to `irq_to_slot'
ip27-irq.c:(.text+0x5a4): undefined reference to `irq_to_slot'
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Some of the TLB bit definitions in <asm/pgtable-bits.h> have become rather
complex and are no longer usable from assembler resulting in an
explosion like this:
AS arch/mips/kernel/head.o
arch/mips/kernel/head.S: Assembler messages:
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: Illegal operands `li $12,(((1<<((cpu_has_rixi?(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1))))+1:(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))))+1))|(1<<(((cpu_has_rixi?(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1))))+1:(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))))+1)+1))|(5<<(((((cpu_has_rixi?(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1))))+1:(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))))+1)+1)+1)+1)))>>6)'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: missing ')'
arch/mips/kernel/head.S:147: Error: Illegal operands `li $12,(((1<<((cpu_has_rixi?(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1))))+1:(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))))+1))|(1<<(((cpu_has_rixi?(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1))))+1:(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))))+1)+1))|(1<<((((cpu_has_rixi?(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1))))+1:(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))))+1)+1)+1))|(5<<(((((cpu_has_rixi?(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1))))+1:(cpu_has_rixi?((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))+1:((((((cpu_has_rixi?(0):(0)+1)+1)+1)+1)))))+1)+1)+1)+1)))>>6)'
make[2]: *** [arch/mips/kernel/head.o] Error 1
Since now MAPPED_KERNEL_SETUP_TLB is in platform-specific code it's safe
to hardcode the TLB bits there.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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It's IP27-specific and can only cause trouble in head.S.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CC drivers/rapidio/switches/idt_gen2.o
drivers/rapidio/switches/idt_gen2.c: In function ‘idtg2_show_errlog’:
drivers/rapidio/switches/idt_gen2.c:379:30: error: ‘PAGE_SIZE’ undeclared (first use in this function)
drivers/rapidio/switches/idt_gen2.c:379:30: note: each undeclared identifier is reported only once for each function it appears in
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Alexandre Bounine <alexandre.bounine@idt.com>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CC init/do_mounts.o
In file included from /home/ralf/src/linux/linux-mips/arch/mips/include/asm/dma-mapping.h:10:0,
from include/linux/dma-mapping.h:76,
from include/linux/skbuff.h:33,
from include/linux/icmpv6.h:4,
from include/linux/ipv6.h:59,
from include/net/ipv6.h:16,
from include/linux/sunrpc/clnt.h:26,
from include/linux/nfs_fs.h:30,
from init/do_mounts.c:30:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_map_dma_mem’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:24:1: warning: no return statement in function returning non-void [-Wreturn-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_map_dma_mem_page’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:30:1: warning: no return statement in function returning non-void [-Wreturn-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_dma_addr_to_phys’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:36:1: warning: no return statement in function returning non-void [-Wreturn-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_dma_supported’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:47:1: warning: no return statement in function returning non-void [-Wreturn-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_dma_mapping_error’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:63:1: warning: no return statement in function returning non-void [-Wreturn-type]
LD init/mounts.o
CC init/init_task.o
In file included from /home/ralf/src/linux/linux-mips/arch/mips/include/asm/dma-mapping.h:10:0,
from include/linux/dma-mapping.h:76,
from include/linux/skbuff.h:33,
from include/linux/netfilter.h:5,
from include/net/netns/netfilter.h:5,
from include/net/net_namespace.h:20,
from include/linux/init_task.h:14,
from init/init_task.c:1:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_map_dma_mem’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:24:1: warning: no return statement in function returning non-void [-Wreturn-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_map_dma_mem_page’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:30:1: warning: no return statement in function returning non-void [-Wreturn-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_dma_addr_to_phys’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:36:1: warning: no return statement in function returning non-void [-Wreturn-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_dma_supported’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:47:1: warning: no return statement in function returning non-void [-Wreturn-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_dma_mapping_error’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:63:1: warning: no return statement in function returning non-void [-Wreturn-type]
LD init/built-in.o
CC arch/mips/cavium-octeon/setup.o
In file included from /home/ralf/src/linux/linux-mips/arch/mips/include/asm/dma-mapping.h:10:0,
from include/linux/dma-mapping.h:76,
from include/asm-generic/pci-dma-compat.h:7,
from /home/ralf/src/linux/linux-mips/arch/mips/include/asm/pci.h:129,
from include/linux/pci.h:1451,
from /home/ralf/src/linux/linux-mips/arch/mips/include/asm/octeon/pci-octeon.h:12,
from arch/mips/cavium-octeon/setup.c:41:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_map_dma_mem’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:24:1: error: no return statement in function returning non-void [-Werror=return-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_map_dma_mem_page’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:30:1: error: no return statement in function returning non-void [-Werror=return-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_dma_addr_to_phys’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:36:1: error: no return statement in function returning non-void [-Werror=return-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_dma_supported’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:47:1: error: no return statement in function returning non-void [-Werror=return-type]
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h: In function ‘plat_dma_mapping_error’:
/home/ralf/src/linux/linux-mips/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h:63:1: error: no return statement in function returning non-void [-Werror=return-type]
cc1: all warnings being treated as errors
make[2]: *** [arch/mips/cavium-octeon/setup.o] Error 1
make[1]: *** [arch/mips/cavium-octeon] Error 2
make: *** [arch/mips] Error 2
[ralf@linux-mips.org: while at it, also include <linux/bug.h> directly.]
Signed-off-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/5519/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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If CONFIG_CAVIUM_OCTEON_LOCK_L2_TLB, CONFIG_CAVIUM_OCTEON_LOCK_L2_EXCEPTION,
CONFIG_CAVIUM_OCTEON_LOCK_L2_LOW_LEVEL_INTERRUPT and
CONFIG_CAVIUM_OCTEON_LOCK_L2_INTERRUPT are all undefined:
arch/mips/cavium-octeon/setup.c: In function ‘prom_init’:
arch/mips/cavium-octeon/setup.c:715:12: error: unused variable ‘ebase’ [-Werror=unused-variable]
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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arch_ftrace_update_code and ftrace_modify_all_code are only
available if CONFIG_DYNAMIC_FTRACE is selected.
Fixes the following build problem on MIPS randconfig:
arch/mips/kernel/ftrace.c: In function 'arch_ftrace_update_code':
arch/mips/kernel/ftrace.c:31:2: error: implicit declaration of function
'ftrace_modify_all_code' [-Werror=implicit-function-declaration]
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5435/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The kvm_* symbols are only available if KVM is selected.
Fixes the following linking problem on a randconfig:
arch/mips/built-in.o: In function `local_flush_tlb_mm':
(.text+0x18a94): undefined reference to `kvm_local_flush_tlb_all'
arch/mips/built-in.o: In function `local_flush_tlb_range':
(.text+0x18d0c): undefined reference to `kvm_local_flush_tlb_all'
kernel/built-in.o: In function `__schedule':
core.c:(.sched.text+0x2a00): undefined reference to `kvm_local_flush_tlb_all'
mm/built-in.o: In function `use_mm':
(.text+0x30214): undefined reference to `kvm_local_flush_tlb_all'
fs/built-in.o: In function `flush_old_exec':
(.text+0xf0a0): undefined reference to `kvm_local_flush_tlb_all'
make: *** [vmlinux] Error 1
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5437/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Only an interrupt can wake the core from 'wait', enable interrupts
locally before executing 'wait'.
[ralf@linux-mips.org: This leave the race between an interrupt that's
setting TIF_NEED_RESCHEd and entering the WAIT status. but at least it's
going to bring Alchemy back from the dead, so I'm going to apply this
patch.]
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/5408/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch fixes warnings due to missing lock on write error path.
WARNING: at fs/hpfs/hpfs_fn.h:353 hpfs_truncate+0x75/0x80 [hpfs]()
Hardware name: empty
Pid: 26563, comm: dd Tainted: P O 3.9.4 #12
Call Trace:
hpfs_truncate+0x75/0x80 [hpfs]
hpfs_write_begin+0x84/0x90 [hpfs]
_hpfs_bmap+0x10/0x10 [hpfs]
generic_file_buffered_write+0x121/0x2c0
__generic_file_aio_write+0x1c7/0x3f0
generic_file_aio_write+0x7c/0x100
do_sync_write+0x98/0xd0
hpfs_file_write+0xd/0x50 [hpfs]
vfs_write+0xa2/0x160
sys_write+0x51/0xa0
page_fault+0x22/0x30
system_call_fastpath+0x1a/0x1f
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: stable@kernel.org # 2.6.39+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
- Trivial: unused variable removal
- Posix-timers: Add the clock ID to the new proc interface to make it
useful. The interface is new and should be functional when we reach
the final 3.10 release.
- Cure a false positive warning in the tick code introduced by the
overhaul in 3.10
- Fix for a persistent clock detection regression introduced in this
cycle
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timekeeping: Correct run-time detection of persistent_clock.
ntp: Remove unused variable flags in __hardpps
posix-timers: Show clock ID in proc file
tick: Cure broadcast false positive pending bit warning
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Pull irqdomain bug fixes from Grant Likely:
"This branch contains a set of straight forward bug fixes to the
irqdomain code and to a couple of drivers that make use of it."
* tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux:
irqchip: Return -EPERM for reserved IRQs
irqdomain: document the simple domain first_irq
kernel/irq/irqdomain.c: before use 'irq_data', need check it whether valid.
irqdomain: export irq_domain_add_simple
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The irqdomain core will report a log message for any attempted map call
that fails unless the error code is -EPERM. This patch changes the
Versatile irq controller drivers to use -EPERM because it is normal for
a subset of the IRQ inputs to be marked as reserved on the various
Versatile platforms.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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The first_irq needs to be zero to get a linear domain and that
comes with special semantics. We want to simplify this going
forward but some documentation never hurts.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Since irq_data may be NULL, if so, we WARN_ON(), and continue, 'hwirq'
which related with 'irq_data' has to initialize later, or it will cause
issue.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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All other irq_domain_add_* functions are exported already, and apparently
this one got left out by mistake, which causes build errors for ARM
allmodconfig kernels:
ERROR: "irq_domain_add_simple" [drivers/gpio/gpio-rcar.ko] undefined!
ERROR: "irq_domain_add_simple" [drivers/gpio/gpio-em.ko] undefined!
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Another week, another batch of fixes for arm-soc platforms.
Nothing controversial here, a handful of fixes for regressions and/or
serious problems across several of the platforms. Things are slowing
down nicely on fix rates for 3.10"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: exynos: add debug_ll_io_init() call in exynos_init_io()
ARM: EXYNOS: uncompress - print debug messages if DEBUG_LL is defined
ARM: shmobile: sh73a0: Update CMT clockevent rating to 80
sh-pfc: r8a7779: Don't group USB OVC and PENC pins
ARM: mxs: icoll: Fix interrupts gpio bank 0
ARM: imx: clk-imx6q: AXI clock select index is incorrect
ARM: bcm2835: override the HW UART periphid
ARM: mvebu: Fix bug in coherency fabric low level init function
ARM: Kirkwood: TS219: Fix crash by double PCIe instantiation
ARM: ux500: Provide supplies for AUX1, AUX2 and AUX3
ARM: ux500: Only configure wake-up reasons on ux500 based platforms
ARM: dts: imx: fix clocks for cspi
ARM i.MX6q: fix for ldb_di_sels
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Pull MIPS fixes from Ralf Baechle:
"MIPS fixes across the field. The only area that's standing out is the
exception handling which received it's dose of breakage as part of the
microMIPS patchset"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: ralink: add missing SZ_1M multiplier
MIPS: Compat: Fix cputime_to_timeval() arguments in compat binfmt_elf.
MIPS: OCTEON: Improve _machine_halt implementation.
MIPS: rtlx: Fix implicit declaration of function set_vi_handler()
MIPS: Trap exception handling fixes
MIPS: Quit exposing Kconfig symbols in uapi headers.
MIPS: Remove duplicate definition of check_for_high_segbits.
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu fix from Greg Ungerer:
"A single fix for compilation breakage to many of the ColdFire CPU
targets"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: only use local gpio_request_one if not using GPIOLIB
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Pull drm fixes from Dave Airlie:
"Regression fixers for the big 3:
- nouveau: hdmi audio, dac load detect, s/r regressions fixed
- radeon: long standing system hang fixed, hdmi audio and rs780 fast
fb fixes
- intel: one old regression, a WARN removal, and a stop X dying fix
Otherwise one mgag200 fix, a couple of arm build fixes, and a core use
after free fix."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nv50/kms: use dac loadval from vbios, where it's available
drm/nv50/disp: force dac power state during load detect
drm/nv50-nv84/fifo: fix resume regression introduced by playlist race fix
drm/nv84/disp: Fix HDMI audio regression
drm/i915/sdvo: Use &intel_sdvo->ddc instead of intel_sdvo->i2c for DDC.
drm/radeon: don't allow audio on DCE6
drm/radeon: Use direct mapping for fast fb access on RS780/RS880 (v2)
radeon: Fix system hang issue when using KMS with older cards
drm/i915: no lvds quirk for hp t5740
drm/i915: Quirk the pipe A quirk in the modeset state checker
drm/i915: Fix spurious -EIO/SIGBUS on wedged gpus
drm/mgag200: Add missing write to index before accessing data register
drm/nouveau: use mdelay instead of large udelay constants
drm/tilcd: select BACKLIGHT_LCD_SUPPORT
drm: fix a use-after-free when GPU acceleration disabled
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