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physical_memsize is needed by the vpe loader code and the platform
specific code has to define it. This value will be given to the
firmware loaded with the VPE loader. I am not aware of any standard
interface or better value to provide here.
Reported-by: kbuild test robot <[email protected]>
Fixes: d9ae4f18c0d2 ("MIPS: Lantiq: Activate more drivers in default configuration")
Signed-off-by: Hauke Mehrtens <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: John Crispin <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14908/
Signed-off-by: James Hogan <[email protected]>
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Remove duplicated include.
Fixes: 7c0f6ba682b9 ("Replace <asm/uaccess.h> with <linux/uaccess.h> globally")
Signed-off-by: Wei Yongjun <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Markus Elfring <[email protected]>
Cc: Wei Yongjun <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15213/
Signed-off-by: James Hogan <[email protected]>
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Add a new command cpp_its_S introduced in commit cf2a5e0bb4c6 ("MIPS:
Support generating Flattened Image Trees (.itb)") to ksym_dep_filter
handler - otherwise a warning is produced during the build of MIPS
platforms (when vmlinux.*.itb target is chosen).
Signed-off-by: Marcin Nowakowski <[email protected]>
Cc: Michal Marek <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15278/
Signed-off-by: James Hogan <[email protected]>
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Historically a lot of these existed because we did not have
a distinction between what was modular code and what was providing
support to modules via EXPORT_SYMBOL and friends. That changed
when we forked out support for the latter into the export.h file.
This means we should be able to reduce the usage of module.h
in code that is obj-y Makefile or bool Kconfig. In the case of
some code where it is modular, we can extend that to also include
files that are building basic support functionality but not related
to loading or registering the final module; such files also have
no need whatsoever for module.h
The advantage in removing such instances is that module.h itself
sources about 15 other headers; adding significantly to what we feed
cpp, and it can obscure what headers we are effectively using.
Since module.h might have been the implicit source for init.h
(for __init) and for export.h (for EXPORT_SYMBOL) we consider each
instance for the presence of either and replace/add as needed.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
Build coverage of all the mips defconfigs revealed the module.h
header was masking a couple of implicit include instances, so
we add the appropriate headers there.
Signed-off-by: Paul Gortmaker <[email protected]>
Cc: David Daney <[email protected]>
Cc: John Crispin <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: "Steven J. Hill" <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15131/
[[email protected]: Preserve sort order where it already exists]
Signed-off-by: James Hogan <[email protected]>
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Unify definitions for MIPS performance counter register fields in
mipsregs.h rather than duplicating them in perf_events and oprofile.
This will allow future patches to use them to expose performance
counters to KVM guests.
Signed-off-by: James Hogan <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Robert Richter <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15212/
Signed-off-by: James Hogan <[email protected]>
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Disable stack checking on MIPS kernels. Some distribution toolchains
might pass the -fstack-check option to gcc. This results in a
store-doubleword instruction being emitted at the top of all
functions that checks the available stack space. E.g.,
a80000000001d740 <per_cpu_init>:
a80000000001d740: ffa0bfc0 sd zero,-16448(sp)
a80000000001d744: 2405ffc9 li a1,-55
a80000000001d748: 67bdffc0 daddiu sp,sp,-64
Generally, this is undesirable, and especially on the SGI IP27
platform, it will trigger a NULL pointer dereference in
'_raw_spin_lock_irq' during early init.
Signed-off-by: Joshua Kinard <[email protected]>
Suggested-by: James Hogan <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: "Maciej W. Rozycki" <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15132/
Signed-off-by: James Hogan <[email protected]>
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Add all the necessary platform code to initialize the dwc3
USB host controller. This code initializes the clocks and
performs a reset on the USB core and PHYs. The driver code
in 'drivers/usb/dwc3' is where the real driver lives.
Signed-off-by: Steven J. Hill <[email protected]>
Acked-by: David Daney <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15108/
Signed-off-by: James Hogan <[email protected]>
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With the IRQ stack changes integrated, the XRX200 devices started
emitting a constant stream of kernel messages like this:
[ 565.415310] Spurious IRQ: CAUSE=0x1100c300
This is caused by IP0 getting handled by plat_irq_dispatch() rather than
its vectored interrupt handler, which is fixed by commit de856416e714
("MIPS: IRQ Stack: Fix erroneous jal to plat_irq_dispatch").
Fix plat_irq_dispatch() to handle non-vectored IPI interrupts correctly
by setting up IP2-6 as proper chained IRQ handlers and calling do_IRQ
for all MIPS CPU interrupts.
Signed-off-by: Felix Fietkau <[email protected]>
Acked-by: John Crispin <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15077/
[[email protected]: tweaked commit message]
Signed-off-by: James Hogan <[email protected]>
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Since commit 4bcc595ccd80 ("printk: reinstate KERN_CONT for printing
continuation lines") the output of counter synchornisation has been
split across lines:
[ 0.665181] Synchronize counters for CPU 1:
[ 0.678578] done.
Fix this by using pr_cont, and replace printk with pr_info.
Signed-off-by: Matt Redfearn <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15195/
Signed-off-by: James Hogan <[email protected]>
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Commit dda45f701c9d ("MIPS: Switch to the irq_stack in interrupts")
changed both the normal and vectored interrupt handlers. Unfortunately
the vectored version, "except_vec_vi_handler", was incorrectly modified
to unconditionally jal to plat_irq_dispatch, rather than doing a jalr to
the vectored handler that has been set up. This is ok for many platforms
which set the vectored handler to plat_irq_dispatch anyway, but will
cause problems with platforms that use other handlers.
Fixes: dda45f701c9d ("MIPS: Switch to the irq_stack in interrupts")
Signed-off-by: Matt Redfearn <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Paul Burton <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15110/
Signed-off-by: James Hogan <[email protected]>
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The postlink Makefile must include include/config/auto.conf to get the
kernel configuration variables. But in a clean kernel directory this
file does not exist, causing make to bail with the error:
arch/mips/Makefile.postlink:10: include/config/auto.conf: No such file or directory
make[1]: *** No rule to make target 'include/config/auto.conf'. Stop.
Makefile:1290: recipe for target 'vmlinuxclean' failed
Fix this by using "-include" to not cause a Make error when the file
does not exist.
Fixes: 44079d3509ae ("MIPS: Use Makefile.postlink to insert relocations into vmlinux")
Signed-off-by: Matt Redfearn <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15136/
Signed-off-by: James Hogan <[email protected]>
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The recently added MIPS cacheinfo support used a macro populate_cache()
to populate the cacheinfo structures depending on which caches are
present. However the macro contains multiple statements without
enclosing them in a do {} while (0) loop, so the L2 and L3 cache
conditionals in populate_cache_leaves() only conditionalised the first
statement in the macro.
This overflows the buffer allocated by detect_cache_attributes(),
resulting in boot failures under QEMU where neither the L2 or L2 caches
are present.
Enclose the macro statements in a do {} while (0) block to keep the
whole macro inside the conditionals.
Fixes: ef462f3b64e9 ("MIPS: Add cacheinfo support")
Reported-by: Guenter Roeck <[email protected]>
Signed-off-by: James Hogan <[email protected]>
Tested-by: Guenter Roeck <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Justin Chen <[email protected]>
Cc: Florian Fainelli <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15276/
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When building for microMIPS we need to ensure that the assembler always
knows that there is code at the target of a branch or jump. Commit
7170bdc77755 ("MIPS: Add return errors to protected cache ops")
introduced a fixup path to protected_cache(e)_op() which does not meet
this requirement. The fixup path jumps to the "2" label but the .section
pseudo-op immediately following it causes the label to be marked as
data. Linking then fails with:
mips-img-linux-gnu-ld: arch/mips/mm/c-r4k.o: .fixup+0x0: Unsupported
jump between ISA modes; consider recompiling with interlinking
enabled.
Fix this by declaring that "2" labels code using the .insn directive.
Fixes: 7170bdc77755 ("MIPS: Add return errors to protected cache ops")
Signed-off-by: Paul Burton <[email protected]>
Signed-off-by: James Hogan <[email protected]>
Reviewed-by: Maciej W. Rozycki <[email protected]>
Cc: [email protected]
Cc: Ralf Baechle <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/15274/
Signed-off-by: James Hogan <[email protected]>
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MIPS dependencies for KVM
Miscellaneous MIPS architecture changes depended on by the MIPS KVM
changes in the KVM tree.
- Move pgd_alloc() out of header.
- Exports so KVM can access page table management and TLBEX functions.
- Add return errors to protected cache ops.
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The protected cache ops contain no out of line fixup code to return an
error code in the event of a fault, with the cache op being skipped in
that case. For KVM however we'd like to detect this case as page
faulting will be disabled so it could happen during normal operation if
the GVA page tables were flushed, and need to be handled by the caller.
Add the out-of-line fixup code to load the error value -EFAULT into the
return variable, and adapt the protected cache line functions to pass
the error back to the caller.
Signed-off-by: James Hogan <[email protected]>
Acked-by: Ralf Baechle <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: "Radim Krčmář" <[email protected]>
Cc: [email protected]
Cc: [email protected]
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Export to TLB exception code generating functions so that KVM can
construct a fast TLB refill handler for guest context without
reinventing the wheel quite so much.
Signed-off-by: James Hogan <[email protected]>
Acked-by: Ralf Baechle <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: "Radim Krčmář" <[email protected]>
Cc: [email protected]
Cc: [email protected]
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Add include guards in asm/uasm.h to allow it to be safely used by a new
header asm/tlbex.h in the next patch to expose TLB exception building
functions for KVM to use.
Signed-off-by: James Hogan <[email protected]>
Acked-by: Ralf Baechle <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: "Radim Krčmář" <[email protected]>
Cc: [email protected]
Cc: [email protected]
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Export pmd_init(), invalid_pmd_table and tlbmiss_handler_setup_pgd to
GPL kernel modules so that MIPS KVM can use the inline page table
management functions and switch between page tables:
- pmd_init() will be used directly by KVM to initialise newly allocated
pmd tables with invalid lower level table pointers.
- invalid_pmd_table is used by pud_present(), pud_none(), and
pud_clear(), which KVM will use to test and clear pud entries.
- tlbmiss_handler_setup_pgd() will be called by KVM entry code to switch
to the appropriate GVA page tables.
Signed-off-by: James Hogan <[email protected]>
Acked-by: Ralf Baechle <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: "Radim Krčmář" <[email protected]>
Cc: [email protected]
Cc: [email protected]
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pgd_alloc() references init_mm which is not exported to modules. In
order for KVM to be able to use pgd_alloc() to allocate GVA page tables,
move pgd_alloc() into a new pgtable.c file and export it to modules.
Signed-off-by: James Hogan <[email protected]>
Acked-by: Ralf Baechle <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: "Radim Krčmář" <[email protected]>
Cc: [email protected]
Cc: [email protected]
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The DMA controller channel and port configuration is changed by
selecting the port or channel in one register and then update the
configuration in other registers. This has to be done in an atomic
operation. Previously only the local interrupts were deactivated which
works for single CPU systems. If the system supports SMP a better
locking is needed, use spinlocks instead.
On more recent SoCs (at least xrx200 and later) there are two memory
regions to change the configuration, there we could use one area for
each CPU and do not have to synchronize between the CPUs and more.
Signed-off-by: Hauke Mehrtens <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14912/
Signed-off-by: Ralf Baechle <[email protected]>
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Free memory mapping, if ath79_clocks_init_dt_ng is not successful.
Signed-off-by: Arvind Yadav <[email protected]>
Fixes: 3bdf1071ba7d ("MIPS: ath79: update devicetree clock support for AR9132")
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14915/
Signed-off-by: Ralf Baechle <[email protected]>
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Big endian CPUs require SWAP_IO_SPACE enabled to swap accesses to little
endian peripherals.
Without this patch, big endian kernels fail to communicate with little
endian periperals, such as PCI devices, on QEMU and FPGA based
platforms.
Signed-off-by: Matt Redfearn <[email protected]>
Fixes: eed0eabd12ef ("MIPS: generic: Introduce generic DT-based board support")
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15105/
Signed-off-by: Ralf Baechle <[email protected]>
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So far only Luxul XWR-1750 router was supported. This adds a set of
other Luxul devices based on BCM47XX. It's a standard support for LEDs
and buttons.
Signed-off-by: Dan Haab <[email protected]>
Cc: Hauke Mehrtens <[email protected]>
Cc: Rafał Miłecki <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15106/
Signed-off-by: Ralf Baechle <[email protected]>
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* Return an error code without storing it in an intermediate variable.
* Delete the local variable "result" which became unnecessary with
this refactoring.
Signed-off-by: Markus Elfring <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: [email protected]
Cc: LKML <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15073/
Signed-off-by: Ralf Baechle <[email protected]>
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mipsmt_sys_sched_setaffinity()
A local variable was set to an error code in one case before a concrete
error situation was detected. Thus move the corresponding assignment into
an if branch to indicate a software failure there.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: [email protected]
Cc: LKML <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15072/
Signed-off-by: Ralf Baechle <[email protected]>
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* Return a failure indication without storing it
in an intermediate variable.
* Delete the local variable "error" which became unnecessary
with this refactoring.
Signed-off-by: Markus Elfring <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: [email protected]
Cc: LKML <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15071/
Signed-off-by: Ralf Baechle <[email protected]>
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gcc warns about nonstandard declarations:
arch/mips/sgi-ip32/ip32-irq.c:31:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
arch/mips/sgi-ip32/ip32-irq.c:36:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
arch/mips/sgi-ip27/ip27-klnuma.c: In function 'replicate_kernel_text':
arch/mips/sgi-ip27/ip27-klnuma.c:85:116: error: old-style function definition [-Werror=old-style-definition]
Moving 'inline' before the return type, and adding argument types
shuts up the warning here. This patch affects several platforms,
but all in a trivial way. I'm fixing up all instances I found in
any of the 'defconfig' builds.
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15050/
Signed-off-by: Ralf Baechle <[email protected]>
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kernelci reports a failure of the ip28_defconfig build after upgrading its
gcc version:
arch/mips/sgi-ip22/Platform:29: *** gcc doesn't support needed option -mr10k-cache-barrier=store. Stop.
The problem apparently is that the -mr10k-cache-barrier=store option is now
rejected for CPUs other than r10k. Explicitly including the CPU in the
check fixes this and is safe because both options were introduced in
gcc-4.4.
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15049/
Signed-off-by: Ralf Baechle <[email protected]>
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gcc-6 reports a harmless build warning:
arch/mips/cavium-octeon/dma-octeon.c: In function 'octeon_dma_alloc_coherent':
arch/mips/cavium-octeon/dma-octeon.c:179:3: error: suggest braces around empty body in an 'else' statement [-Werror=empty-body]
We can fix this by rearranging the code slightly using the
IS_ENABLED() macro.
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Hans-Christian Noren Egtvedt <[email protected]>
Cc: Vineet Gupta <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15048
Signed-off-by: Ralf Baechle <[email protected]>
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A new gcc warning shows up for this old code with gcc-6:
arch/mips/loongson64/common/dma-swiotlb.c: In function 'loongson_dma_alloc_coherent':
arch/mips/loongson64/common/dma-swiotlb.c:35:2: error: suggest braces around empty body in an 'else' statement [-Werror=empty-body]
The code can be easily restructured to look more readable
and avoid the warning at the same time.
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Robin Murphy <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15047/
Signed-off-by: Ralf Baechle <[email protected]>
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All pointers to these functions were removed, so now they produce
warnings:
arch/mips/ralink/rt305x.c:92:13: error: 'rt305x_wdt_reset' defined but not used [-Werror=unused-function]
This removes the functions. If we need them again, the patch can be
reverted later.
Fixes: f576fb6a0700 ("MIPS: ralink: cleanup the soc specific pinmux data")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: John Crispin <[email protected]>
Cc: Colin Ian King <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15044/
Signed-off-by: Ralf Baechle <[email protected]>
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request_mem_region returns a NULL pointer on error, comparing it
against a number results in a warning:
arch/mips/ralink/of.c: In function 'plat_of_remap_node':
arch/mips/ralink/of.c:45:15: error: ordered comparison of pointer with integer zero [-Werror=extra]
arch/mips/ralink/irq.c: In function 'intc_of_init':
arch/mips/ralink/irq.c:167:15: error: ordered comparison of pointer with integer zero [-Werror=extra]
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: John Crispin <[email protected]>
Cc: Tobias Wolf <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15045/
Signed-off-by: Ralf Baechle <[email protected]>
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The functions were originally used for the module unload path,
but are not referenced any more and just cause warnings:
arch/mips/ralink/timer.c:104:13: error: 'rt_timer_disable' defined but not used [-Werror=unused-function]
arch/mips/ralink/timer.c:74:13: error: 'rt_timer_free' defined but not used [-Werror=unused-function]
Cc: Paul Gortmaker <[email protected]>
Fixes: 62ee73d284e7 ("MIPS: ralink: Make timer explicitly non-modular")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: John Crispin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15041/
Signed-off-by: Ralf Baechle <[email protected]>
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Hauke already fixed a couple of them, but one instance remains
that checks for a negative integer when it should check
for a NULL pointer:
arch/mips/lantiq/xway/sysctrl.c: In function 'ltq_soc_init':
arch/mips/lantiq/xway/sysctrl.c:473:19: error: ordered comparison of pointer with integer zero [-Werror=extra]
Fixes: 6e807852676a ("MIPS: Lantiq: Fix check for return value of request_mem_region()")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: John Crispin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15043/
Signed-off-by: Ralf Baechle <[email protected]>
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We get a harmless warning about a duplicate initalizer for the
i2c board info structure:
arch/mips/alchemy/board-gpr.c:239:11: error: initialized field overwritten [-Werror=override-init]
As both initializers have the identical value, we can simply drop
the second one.
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15046/
Signed-off-by: Ralf Baechle <[email protected]>
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A clean mips64 build produces no output except for two lines:
Checking missing-syscalls for N32
Checking missing-syscalls for O32
On other architectures, there is no output at all, so let's do the
same here for the sake of build testing. The 'kecho' macro is used
to print the message on a normal build but skip it with 'make -s'.
Fixes: e48ce6b8df5b ("[MIPS] Simplify missing-syscalls for N32 and O32")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Paul Burton <[email protected]>
Cc: Matt Redfearn <[email protected]>
Cc: Huacai Chen <[email protected]>
Cc: Maarten ter Huurne <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15040/
Signed-off-by: Ralf Baechle <[email protected]>
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vdso.h includes <spaces.h> implicitly after defining CONFIG_32BITS.
This defeats the override in mach-ip27/spaces.h, leading to
a build error that shows up in kernelci.org:
In file included from arch/mips/include/asm/mach-ip27/spaces.h:29:0,
from arch/mips/include/asm/page.h:12,
from arch/mips/vdso/vdso.h:26,
from arch/mips/vdso/gettimeofday.c:11:
arch/mips/include/asm/mach-generic/spaces.h:28:0: error: "CAC_BASE" redefined [-Werror]
#define CAC_BASE _AC(0x80000000, UL)
An earlier patch tried to make the second definition conditional,
but that patch had the #ifdef in the wrong place, and would lead
to another warning:
arch/mips/include/asm/io.h: In function 'phys_to_virt':
arch/mips/include/asm/io.h:138:9: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
For all I can tell, there is no other reason than vdso32 to ever
include this file with CONFIG_32BITS set, and the vdso itself should
never refer to the base addresses as it is running in user space,
so adding an #ifdef here is safe.
Link: https://patchwork.kernel.org/patch/9418187/
Fixes: 3ffc17d8768b ("MIPS: Adjust MIPS64 CAC_BASE to reflect Config.K0")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Paul Burton <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15039/
Signed-off-by: Ralf Baechle <[email protected]>
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kernelci.org reports tons of build warnings for linux-next:
35 WARNING: "memcpy" [fs/fat/msdos.ko] has no CRC!
35 WARNING: "__copy_user" [fs/fat/fat.ko] has no CRC!
32 WARNING: EXPORT symbol "memset" [vmlinux] version generation failed, symbol will not be versioned.
32 WARNING: EXPORT symbol "copy_page" [vmlinux] version generation failed, symbol will not be versioned.
32 WARNING: EXPORT symbol "clear_page" [vmlinux] version generation failed, symbol will not be versioned.
32 WARNING: EXPORT symbol "__strncpy_from_user_nocheck_asm" [vmlinux] version generation failed, symbol will not be versioned.
The problem here is mainly the missing asm/asm-prototypes.h header file
that is supposed to include the prototypes for each symbol that is exported
from an assembler file.
A second problem is that the asm/uaccess.h header contains some but not
all the necessary declarations for the user access helpers.
Finally, the vdso build is broken once we add asm/asm-prototypes.h, so
we have to fix this at the same time by changing the vdso header. My
approach here is to just not look for exported symbols in the VDSO
assembler files, as the symbols cannot be exported anyway.
Fixes: 576a2f0c5c6d ("MIPS: Export memcpy & memset functions alongside their definitions")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Al Viro <[email protected]>
Cc: James Hogan <[email protected]>
Cc: Maciej W. Rozycki <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15038/
Patchwork: https://patchwork.linux-mips.org/patch/15069/
Signed-off-by: Ralf Baechle <[email protected]>
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Since linux-4.3, SCSI_DH is a bool symbol, causing a warning in
kernelci.org:
arch/mips/configs/ip27_defconfig:136:warning: symbol value 'm' invalid for SCSI_DH
This updates the defconfig to have the feature built-in.
Fixes: 086b91d052eb ("scsi_dh: integrate into the core SCSI code")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15001/
Signed-off-by: Ralf Baechle <[email protected]>
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Since linux-4.8, CPU_FREQ_STAT is a bool symbol, causing a warning in
kernelci.org:
arch/mips/configs/lemote2f_defconfig:42:warning: symbol value 'm' invalid for CPU_FREQ_STAT
This updates the defconfig to have the feature built-in.
Fixes: 1aefc75b2449 ("cpufreq: stats: Make the stats code non-modular")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/15000/
Signed-off-by: Ralf Baechle <[email protected]>
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In linux-4.10-rc, NF_CT_PROTO_UDPLITE and NF_CT_PROTO_DCCP are bool
symbols instead of tristate, and kernelci.org reports a bunch of
warnings for this, like:
arch/mips/configs/malta_kvm_guest_defconfig:63:warning: symbol value 'm' invalid for NF_CT_PROTO_UDPLITE
arch/mips/configs/malta_defconfig:62:warning: symbol value 'm' invalid for NF_CT_PROTO_DCCP
arch/mips/configs/malta_defconfig:63:warning: symbol value 'm' invalid for NF_CT_PROTO_UDPLITE
arch/mips/configs/ip22_defconfig:70:warning: symbol value 'm' invalid for NF_CT_PROTO_DCCP
arch/mips/configs/ip22_defconfig:71:warning: symbol value 'm' invalid for NF_CT_PROTO_UDPLITE
This changes all the MIPS defconfigs with these symbols to have them
built-in.
Fixes: 9b91c96c5d1f ("netfilter: conntrack: built-in support for UDPlite")
Fixes: c51d39010a1b ("netfilter: conntrack: built-in support for DCCP")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14999/
Signed-off-by: Ralf Baechle <[email protected]>
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Adds SPI device nodes to BCM7xxx MIPS based SoCs.
Signed-off-by: Jaedon Shin <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Cc: Kevin Cernekee <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14990/
Signed-off-by: Ralf Baechle <[email protected]>
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64-bit pre-r6 kernels output the following broken printk continuation
lines during boot:
Checking for the multiply/shift bug...
no.
Checking for the daddiu bug...
no.
Checking for the daddi bug...
no.
Fix the printk continuations in cpu-bugs64.c to use pr_cont to restore
the correct output:
Checking for the multiply/shift bug... no.
Checking for the daddiu bug... no.
Checking for the daddi bug... no.
Signed-off-by: James Hogan <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14916/
Signed-off-by: Ralf Baechle <[email protected]>
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Al Viro noticed that we were using two different methods to filter out
flags from KBUILD_CFLAGS.
Signed-off-by: Ralf Baechle <[email protected]>
Reported-by: Al Viro <[email protected]>
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ralink_soc sould be assigned to RT3883_SOC, replace incorrect
comparision with assignment.
Signed-off-by: Colin Ian King <[email protected]>
Fixes: 418d29c87061 ("MIPS: ralink: Unify SoC id handling")
Cc: John Crispin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14903/
Signed-off-by: Ralf Baechle <[email protected]>
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In systems with CM3 & higher, the L2 cache is inclusive of the L1
dcache. Indicate this such that cpu_has_inclusive_pcaches evaluates true
and we avoid some unnecessary cache ops during DMA cache maintenance.
Signed-off-by: Paul Burton <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14018/
Signed-off-by: Ralf Baechle <[email protected]>
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Physically indexed caches cannot suffer from virtual aliasing, so clear
the MIPS_CACHE_ALIASES bit in order to ensure we don't do extra work
avoiding aliasing that cannot happen.
Signed-off-by: Paul Burton <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14017/
Signed-off-by: Ralf Baechle <[email protected]>
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The L1 data cache in I6400 CPUs is indexed by physical address bits if
an entry for the address is present in the DTLB early enough in the
pipelined execution of a memory access instruction. If an entry is not
present then it's indexed by virtual address bits, but hardware will
check in a later pipeline stage when a DTLB entry has been created
whether the virtual address bits used match the physical address bits,
and if not will transparently restart the memory access instruction.
This means that although it isn't always physically indexed, it appears
so to software & we can treat the I6400 L1 data cache as being
physically indexed in order to avoid considering aliasing.
Signed-off-by: Paul Burton <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14016/
Signed-off-by: Ralf Baechle <[email protected]>
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This patch changes the OSC clock name to "osc_clk" as expected by all
clock users.
Signed-off-by: Kelvin Cheung <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/13903/
Signed-off-by: Ralf Baechle <[email protected]>
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The netlogic platform can be built for either MIPS32 or MIPS64, and when
built for MIPS32 (as by nlm_xlr_defconfig) the use of the dla
pseudo-instruction leads to warnings such as the following from recent
versions of the GNU assembler:
arch/mips/netlogic/common/smpboot.S: Assembler messages:
arch/mips/netlogic/common/smpboot.S:62: Warning: dla used to load 32-bit register; recommend using la instead
arch/mips/netlogic/common/smpboot.S:63: Warning: dla used to load 32-bit register; recommend using la instead
Avoid these warnings by using the PTR_LA macro to make use of the
appropriate la or dla pseudo-instruction for the build.
Signed-off-by: Paul Burton <[email protected]>
Fixes: 66d29985fab8 ("MIPS: Netlogic: Merge some of XLR/XLP wakup code")
Cc: James Hogan <[email protected]>
Cc: Jayachandran C <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/14185/
Signed-off-by: Ralf Baechle <[email protected]>
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