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2014-07-13Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "This week's arm-soc fixes: - Another set of OMAP fixes * Clock fixes * Restart handling * PHY regulators * SATA hwmod data for DRA7 + Some trivial fixes and removal of a bit of dead code - Exynos fixes * A bunch of clock fixes * Some SMP fixes * Exynos multi-core timer: register as clocksource and fix ftrace. + a few other minor fixes There's also a couple more patches, and at91 fix for USB caused by common clock conversion, and more MAINTAINERS entries for shmobile. We're definitely switching to only regression fixes from here on out, we've been a little less strict than usual up until now" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits) ARM: at91: at91sam9x5: add clocks for usb device ARM: EXYNOS: Register cpuidle device only on exynos4210 and 5250 ARM: dts: Add clock property for mfc_pd in exynos5420 clk: exynos5420: Add IDs for clocks used in PD mfc ARM: EXYNOS: Add support for clock handling in power domain ARM: OMAP2+: Remove non working OMAP HDMI audio initialization ARM: imx: fix shared gate clock ARM: dts: Update the parent for Audss clocks in Exynos5420 ARM: EXYNOS: Update secondary boot addr for secure mode ARM: dts: Fix TI CPSW Phy mode selection on IGEP COM AQUILA. ARM: dts: am335x-evmsk: Enable the McASP FIFO for audio ARM: dts: am335x-evm: Enable the McASP FIFO for audio ARM: OMAP2+: Make GPMC skip disabled devices ARM: OMAP2+: create dsp device only on OMAP3 SoCs ARM: dts: dra7-evm: Make VDDA_1V8_PHY supply always on ARM: DRA7/AM43XX: fix header definition for omap44xx_restart ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss ARM: DRA7: hwmod: Fixup SATA hwmod ARM: OMAP3: PRM/CM: Add back macros used by TI DSP/Bridge driver ...
2014-07-13Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds
Pull ARM fixes from Russell King: "Another round of fixes for ARM: - a set of kprobes fixes from Jon Medhurst - fix the revision checking for the L2 cache which wasn't noticed to have been broken" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: l2c: fix revision checking ARM: kprobes: Fix test code compilation errors for ARMv4 targets ARM: kprobes: Disallow instructions with PC and register specified shift ARM: kprobes: Prevent known test failures stopping other tests running
2014-07-13Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k fixes from Geert Uytterhoeven: "Summary: - Fix for a boot regression introduced in v3.16-rc1, - Fix for a build issue in -next" Christoph Hellwig questioned why mach_random_get_entropy should be exported to modules, and Geert explains that random_get_entropy() is called by at least the crypto layer and ends up using it on m68k. On most other architectures it just uses get_cycles() (which is typically inlined and doesn't need exporting), * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Export mach_random_get_entropy to modules m68k: Fix boot regression on machines with RAM at non-zero
2014-07-13Merge branch 'parisc-3.16-5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc fixes from Helge Deller: "The major patch in here is one which fixes the fanotify_mark() syscall in the compat layer of the 64bit parisc kernel. It went unnoticed so long, because the calling syntax when using a 64bit parameter in a 32bit syscall is quite complex and even worse, it may be even different if you call syscall() or the glibc wrapper. This patch makes the kernel accept the calling convention when called by the glibc wrapper. The other two patches are trivial and remove unused headers, #includes and adds the serial ports of the fastest C8000 workstation to the parisc-kernel internal hardware database" * 'parisc-3.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: drop unused defines and header includes parisc: fix fanotify_mark() syscall on 32bit compat kernel parisc: add serial ports of C8000/1GHz machine to hardware database
2014-07-13parisc: drop unused defines and header includesHelge Deller
Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # 3.13+
2014-07-13parisc: fix fanotify_mark() syscall on 32bit compat kernelHelge Deller
On parisc we can not use the existing compat implementation for fanotify_mark() because for the 64bit mask parameter the higher and lower 32bits are ordered differently than what the compat function expects from big endian architectures. Specifically: It finally turned out, that on hppa we end up with different assignments of parameters to kernel arguments depending on if we call the glibc wrapper function int fanotify_mark (int __fanotify_fd, unsigned int __flags, uint64_t __mask, int __dfd, const char *__pathname); or directly calling the syscall manually syscall(__NR_fanotify_mark, ...) Reason is, that the syscall() function is implemented as C-function and because we now have the sysno as first parameter in front of the other parameters the compiler will unexpectedly add an empty paramenter in front of the u64 value to ensure the correct calling alignment for 64bit values. This means, on hppa you can't simply use syscall() to call the kernel fanotify_mark() function directly, but you have to use the glibc function instead. This patch fixes the kernel in the hppa-arch specifc coding to adjust the parameters in a way as if userspace calls the glibc wrapper function fanotify_mark(). Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # 3.13+
2014-07-13parisc: add serial ports of C8000/1GHz machine to hardware databaseHelge Deller
Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # 3.13+
2014-07-12Merge tag 'samsung-fixes-3' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes Merge "Samsung fixes-3 for 3.16" from Kukjin Kim: Samsung fixes-3 for v3.16 - update the parent for Auudss clock because kernel will be hang during late boot if the parent clock is disabled in bootloader. - enable clk handing in power domain because while power domain on/off, its regarding clock source will be reset and it causes a problem so need to handle it. - add mux clocks to be used by power domain for exynos5420-mfc during power domain on/off and property in device tree also. - register cpuidle only for exynos4210 and exynos5250 because a system failure will be happened on other exynos SoCs. * tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: EXYNOS: Register cpuidle device only on exynos4210 and 5250 ARM: dts: Add clock property for mfc_pd in exynos5420 clk: exynos5420: Add IDs for clocks used in PD mfc ARM: EXYNOS: Add support for clock handling in power domain ARM: dts: Update the parent for Audss clocks in Exynos5420 Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-12ARM: at91: at91sam9x5: add clocks for usb deviceBo Shen
Add clocks for usb device, or else switch to CCF, the gadget won't work. Reported-by: Jiri Prchal <jiri.prchal@aksignal.cz> Signed-off-by: Bo Shen <voice.shen@atmel.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Tested-by: Jiri Prchal <jiri.prchal@aksignal.cz> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-12Merge branch 'kprobes-test-fixes' of git://git.linaro.org/people/tixy/kernel ↵Russell King
into fixes
2014-07-11Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Peter Anvin: "A couple of further build fixes for the VDSO code. This is turning into a bit of a headache, and Andy has already come up with a more ultimate cleanup, but most likely that is 3.17 material" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86-32, vdso: Fix vDSO build error due to missing align_vdso_addr() x86-64, vdso: Fix vDSO build breakage due to empty .rela.dyn
2014-07-11Merge tag 'arm64-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: "ARM64 implementation of TASK_SIZE_OF and exporting two functions to modules" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: implement TASK_SIZE_OF arm64: export __cpu_{clear,copy}_user_page functions
2014-07-11Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc Pull powerpc fixes from Ben Herrenschmidt: "Here are a few more powerpc fixes for 3.16 There's a small series of 3 patches that fix saving/restoring MMUCR2 when using KVM without which perf goes completely bonkers in the host system. Another perf fix from Anton that's been rotting away in patchwork due to my poor eyesight, a couple of compile fixes, a little addition to the WSP removal by Michael (removing a bit more dead stuff) and a fix for an embarassing regression with our soft irq masking" * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/perf: Never program book3s PMCs with values >= 0x80000000 powerpc: Disable RELOCATABLE for COMPILE_TEST with PPC64 powerpc/perf: Clear MMCR2 when enabling PMU powerpc/perf: Add PPMU_ARCH_207S define powerpc/kvm: Remove redundant save of SIER AND MMCR2 powerpc/powernv: Check for IRQHAPPENED before sleeping powerpc: Clean up MMU_FTRS_A2 and MMU_FTR_TYPE_3E powerpc/cell: Fix compilation with CONFIG_COREDUMP=n
2014-07-11m68k: Export mach_random_get_entropy to modulesGeert Uytterhoeven
When a module calls random_get_entropy(): ERROR: "mach_random_get_entropy" [crypto/drbg.ko] undefined! make[1]: *** [__modpost] Error 1 Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2014-07-11powerpc/perf: Never program book3s PMCs with values >= 0x80000000Anton Blanchard
We are seeing a lot of PMU warnings on POWER8: Can't find PMC that caused IRQ Looking closer, the active PMC is 0 at this point and we took a PMU exception on the transition from negative to 0. Some versions of POWER8 have an issue where they edge detect and not level detect PMC overflows. A number of places program the PMC with (0x80000000 - period_left), where period_left can be negative. We can either fix all of these or just ensure that period_left is always >= 1. This patch takes the second option. Cc: <stable@vger.kernel.org> Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-07-11powerpc: Disable RELOCATABLE for COMPILE_TEST with PPC64Guenter Roeck
powerpc:allmodconfig has been failing for some time with the following error. arch/powerpc/kernel/exceptions-64s.S: Assembler messages: arch/powerpc/kernel/exceptions-64s.S:1312: Error: attempt to move .org backwards make[1]: *** [arch/powerpc/kernel/head_64.o] Error 1 A number of attempts to fix the problem by moving around code have been unsuccessful and resulted in failed builds for some configurations and the discovery of toolchain bugs. Fix the problem by disabling RELOCATABLE for COMPILE_TEST builds instead. While this is less than perfect, it avoids substantial code changes which would otherwise be necessary just to make COMPILE_TEST builds happy and might have undesired side effects. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-07-11powerpc/perf: Clear MMCR2 when enabling PMUJoel Stanley
On POWER8 when switching to a KVM guest we set bits in MMCR2 to freeze the PMU counters. Aside from on boot they are then never reset, resulting in stuck perf counters for any user in the guest or host. We now set MMCR2 to 0 whenever enabling the PMU, which provides a sane state for perf to use the PMU counters under either the guest or the host. This was manifesting as a bug with ppc64_cpu --frequency: $ sudo ppc64_cpu --frequency WARNING: couldn't run on cpu 0 WARNING: couldn't run on cpu 8 ... WARNING: couldn't run on cpu 144 WARNING: couldn't run on cpu 152 min: 18446744073.710 GHz (cpu -1) max: 0.000 GHz (cpu -1) avg: 0.000 GHz The command uses a perf counter to measure CPU cycles over a fixed amount of time, in order to approximate the frequency of the machine. The counters were returning zero once a guest was started, regardless of weather it was still running or had been shut down. By dumping the value of MMCR2, it was observed that once a guest is running MMCR2 is set to 1s - which stops counters from running: $ sudo sh -c 'echo p > /proc/sysrq-trigger' CPU: 0 PMU registers, ppmu = POWER8 n_counters = 6 PMC1: 5b635e38 PMC2: 00000000 PMC3: 00000000 PMC4: 00000000 PMC5: 1bf5a646 PMC6: 5793d378 PMC7: deadbeef PMC8: deadbeef MMCR0: 0000000080000000 MMCR1: 000000001e000000 MMCRA: 0000040000000000 MMCR2: fffffffffffffc00 EBBHR: 0000000000000000 EBBRR: 0000000000000000 BESCR: 0000000000000000 SIAR: 00000000000a51cc SDAR: c00000000fc40000 SIER: 0000000001000000 This is done unconditionally in book3s_hv_interrupts.S upon entering the guest, and the original value is only save/restored if the host has indicated it was using the PMU. This is okay, however the user of the PMU needs to ensure that it is in a defined state when it starts using it. Fixes: e05b9b9e5c10 ("powerpc/perf: Power8 PMU support") Cc: stable@vger.kernel.org Signed-off-by: Joel Stanley <joel@jms.id.au> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-07-11powerpc/perf: Add PPMU_ARCH_207S defineJoel Stanley
Instead of separate bits for every POWER8 PMU feature, have a single one for v2.07 of the architecture. This saves us adding a MMCR2 define for a future patch. Cc: stable@vger.kernel.org Signed-off-by: Joel Stanley <joel@jms.id.au> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-07-11powerpc/kvm: Remove redundant save of SIER AND MMCR2Joel Stanley
These two registers are already saved in the block above. Aside from being unnecessary, by the time we get down to the second save location r8 no longer contains MMCR2, so we are clobbering the saved value with PMC5. MMCR2 primarily consists of counter freeze bits. So restoring the value of PMC5 into MMCR2 will most likely have the effect of freezing counters. Fixes: 72cde5a88d37 ("KVM: PPC: Book3S HV: Save/restore host PMU registers that are new in POWER8") Cc: stable@vger.kernel.org Signed-off-by: Joel Stanley <joel@jms.id.au> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: Paul Mackerras <paulus@samba.org> Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-07-11powerpc/powernv: Check for IRQHAPPENED before sleepingPreeti U Murthy
Commit 8d6f7c5a: "powerpc/powernv: Make it possible to skip the IRQHAPPENED check in power7_nap()" added code that prevents cpus from checking for pending interrupts just before entering sleep state, which is wrong. These interrupts are delivered during the soft irq disabled state of the cpu. A cpu cannot enter any idle state with pending interrupts because they will never be serviced until the next time the cpu is woken up by some other interrupt. Its only then that the pending interrupts are replayed. This can result in device timeouts or warnings about this cpu being stuck. This patch fixes ths issue by ensuring that cpus check for pending interrupts just before entering any idle state as long as they are not in the path of split core operations. Signed-off-by: Preeti U Murthy <preeti@linux.vnet.ibm.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-07-11powerpc: Clean up MMU_FTRS_A2 and MMU_FTR_TYPE_3EMichael Ellerman
In fb5a515704d7 "powerpc: Remove platforms/wsp and associated pieces", we removed the last user of MMU_FTRS_A2. So remove it. MMU_FTRS_A2 was the last user of MMU_FTR_TYPE_3E, so remove it also. This leaves some unreachable code in mmu_context_nohash.c, so remove that also. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-07-11powerpc/cell: Fix compilation with CONFIG_COREDUMP=nMichael Ellerman
Commit 046d662f4818 "coredump: make core dump functionality optional" made the coredump optional, but didn't update the spufs code that depends on it. That leads to build errors such as: arch/powerpc/platforms/built-in.o: In function `.spufs_arch_write_note': coredump.c:(.text+0x22cd4): undefined reference to `.dump_emit' coredump.c:(.text+0x22cf4): undefined reference to `.dump_emit' coredump.c:(.text+0x22d0c): undefined reference to `.dump_align' coredump.c:(.text+0x22d48): undefined reference to `.dump_emit' coredump.c:(.text+0x22e7c): undefined reference to `.dump_skip' Fix it by adding some ifdefs in the cell code. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-07-11ARM: EXYNOS: Register cpuidle device only on exynos4210 and 5250Tomasz Figa
Currently, the exynos cpuidle driver works correctly only on exynos4210 and 5250. Trying to use it with just one CPU online on any other exynos SoCs will lead to system failure, due to unsupported AFTR mode on other SoCs. This patch fixes the problem by registering the driver only on supported SoCs and letting others simply use default WFI mode until support for them is added. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-07-10x86-32, vdso: Fix vDSO build error due to missing align_vdso_addr()Jan Beulich
Relying on static functions used just once to get inlined (and subsequently have dead code paths eliminated) is wrong: Compilers are free to decide whether they do this, regardless of optimization level. With this not happening for vdso_addr() (observed with gcc 4.1.x), an unresolved reference to align_vdso_addr() causes the build to fail. [ hpa: vdso_addr() is never actually used on x86-32, as calculate_addr in map_vdso() is always false. It ought to be possible to clean this up further, but this fixes the immediate problem. ] Signed-off-by: Jan Beulich <jbeulich@suse.com> Link: http://lkml.kernel.org/r/53B5863B02000078000204D5@mail.emea.novell.com Acked-by: Andy Lutomirski <luto@amacapital.net> Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Tested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2014-07-11ARM: dts: Add clock property for mfc_pd in exynos5420Arun Kumar K
Adding the optional clock property for the mfc_pd for handling the re-parenting while pd on/off. Signed-off-by: Arun Kumar K <arun.kk@samsung.com> Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-07-11ARM: EXYNOS: Add support for clock handling in power domainPrathyush K
While powering on/off a local powerdomain in exynos5 chipsets, the input clocks to each device gets modified. This behaviour is based on the SYSCLK_SYS_PWR_REG registers. E.g. SYSCLK_MFC_SYS_PWR_REG = 0x0, the parent of input clock to MFC (aclk333) gets modified to oscclk = 0x1, no change in clocks. The recommended value of SYSCLK_SYS_PWR_REG before power gating any domain is 0x0. So we must also restore the clocks while powering on a domain everytime. This patch adds the framework for getting the required mux and parent clocks through a power domain device node. With this patch, while powering off a domain, parent is set to oscclk and while powering back on, its re-set to the correct parent which is as per the recommended pd on/off sequence. Signed-off-by: Prathyush K <prathyush.k@samsung.com> Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Signed-off-by: Arun Kumar K <arun.kk@samsung.com> Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-07-10x86-64, vdso: Fix vDSO build breakage due to empty .rela.dynJan Beulich
Certain ld versions (observed with 2.20.0) put an empty .rela.dyn section into shared object files, breaking the assumption on the number of sections to be copied to the final output. Simply discard any empty SHT_REL and SHT_RELA sections to address this. Signed-off-by: Jan Beulich <jbeulich@suse.com> Link: http://lkml.kernel.org/r/53B5861E02000078000204D1@mail.emea.novell.com Acked-by: Andy Lutomirski <luto@amacapital.net> Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Tested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2014-07-10Merge tag 'omap-for-v3.16/fixes-rc4' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Merge "omap fixes against v3.16-rc4" from Tony Lindgren: Fixes for omaps for the -rc series. It's mostly fixes for clock rates, restart handling and phy regulators and SATA interconnect data. Also few build fixes related to the DSP driver in staging, and trivial stuff like removal of broken and soon to be unused platform data init for HDMI audio that would be good to get into the -rc series if not too late. * tag 'omap-for-v3.16/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Remove non working OMAP HDMI audio initialization ARM: dts: Fix TI CPSW Phy mode selection on IGEP COM AQUILA. ARM: dts: am335x-evmsk: Enable the McASP FIFO for audio ARM: dts: am335x-evm: Enable the McASP FIFO for audio ARM: OMAP2+: Make GPMC skip disabled devices ARM: OMAP2+: create dsp device only on OMAP3 SoCs ARM: dts: dra7-evm: Make VDDA_1V8_PHY supply always on ARM: DRA7/AM43XX: fix header definition for omap44xx_restart ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss ARM: DRA7: hwmod: Fixup SATA hwmod ARM: OMAP3: PRM/CM: Add back macros used by TI DSP/Bridge driver ARM: dts: dra7xx-clocks: Fix the l3 and l4 clock rates Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
Pull crypto fixes from Herbert Xu: "This push fixes an error in sha512_ssse3 that leads to incorrect output as well as a memory leak in caam_jr when the module is unloaded" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: caam - fix memleak in caam_jr module crypto: sha512_ssse3 - fix byte count to bit count conversion
2014-07-10m68k: Fix boot regression on machines with RAM at non-zeroGeert Uytterhoeven
My enhancement to store the initial mapping size for later reuse in commit 486df8bc4627bdfc032d11bedcd056cc5343ee62 ("m68k: Increase initial mapping to 8 or 16 MiB if possible") broke booting on machines where RAM doesn't start at address zero. Use pc-relative addressing to fix this. Reported-by: Andreas Schwab <schwab@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Andreas Schwab <schwab@linux-m68k.org>
2014-07-08arm64: implement TASK_SIZE_OFColin Cross
include/linux/sched.h implements TASK_SIZE_OF as TASK_SIZE if it is not set by the architecture headers. TASK_SIZE uses the current task to determine the size of the virtual address space. On a 64-bit kernel this will cause reading /proc/pid/pagemap of a 64-bit process from a 32-bit process to return EOF when it reads past 0xffffffff. Implement TASK_SIZE_OF exactly the same as TASK_SIZE with test_tsk_thread_flag instead of test_thread_flag. Cc: stable@vger.kernel.org Signed-off-by: Colin Cross <ccross@android.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-07-08arm64: export __cpu_{clear,copy}_user_page functionsMark Salter
The __cpu_clear_user_page() and __cpu_copy_user_page() functions are not currently exported. This prevents modules from using clear_user_page() and copy_user_page(). Signed-off-by: Mark Salter <msalter@redhat.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-07-08ARM: OMAP2+: Remove non working OMAP HDMI audio initializationJyri Sarha
This code is not working currently and it can be removed. There is a conflict in sharing resources with the actual HDMI driver and with the ASoC HDMI audio DAI driver. Signed-off-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-08Merge tag 'for-v3.16-rc/omap-fixes-b' of ↵Tony Lindgren
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.16/fixes Some miscellaneous fixes for OMAP clock code, DRA7xx device data, and PRCM code (when DSPBridge is used) for v3.16-rc. Basic build, boot, and PM test logs are available here: http://www.pwsan.com/omap/testlogs/prcm-a-v3.16-rc/20140706174258/
2014-07-07ARM: imx: fix shared gate clockShawn Guo
Let's say clock A and B are two gate clocks that share the same register bit in hardware. Therefore they are registered as shared gate clocks with imx_clk_gate2_shared(). In a scenario that only clock A is enabled by clk_enable(A) while B is not used, the shared gate will be unexpectedly disabled in hardware. It happens because clk_enable(A) increments the share_count from 0 to 1, while clock B is unused to clock core, and therefore the core function will just disable B by calling clk->ops->disable() directly. The consequence of that call is share_count is decremented to 0 and the gate is disabled in hardware, even though clock A is still in use. The patch fixes the issue by initializing the share_count per hardware state and returns enable state per share_count from .is_enabled() hook, in case it's a shared gate. While at it, add a check in clk_gate2_disable() to ensure it's never called with a zero share_count. Reported-by: Fabio Estevam <fabio.estevam@freescale.com> Fixes: f9f28cdf2167 ("ARM: imx: add shared gate clock support") Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Tested-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-07Merge tag 'samsung-fixes-2' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes Merge "Samsung fixes-2 for v3.16" from Kukjin Kim: - fix the check for SMP configuration with using CONFIG_SMP not just SMP - fix the number of pwm-cells for exynos4 pwm - fix ftrace for exynos_mct - register exynos_mct for stable udely - fix secondary boot addr for secure mode for exynos SoCs * tag 'samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: EXYNOS: Update secondary boot addr for secure mode clocksource: exynos_mct: Register the timer for stable udelay clocksource: exynos_mct: Fix ftrace ARM: dts: fix pwm-cells in pwm node for exynos4 ARM: EXYNOS: Fix the check for non-smp configuration Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-08ARM: dts: Update the parent for Audss clocks in Exynos5420Tushar Behera
Currently CLK_FOUT_EPLL was set as one of the parents of AUDSS mux. As per the user manual, it should be CLK_MAU_EPLL. The problem surfaced when the bootloader in Peach-pit board set the EPLL clock as the parent of AUDSS mux. While booting the kernel, we used to get a system hang during late boot if CLK_MAU_EPLL was disabled. Signed-off-by: Tushar Behera <tushar.b@samsung.com> Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com> Reported-by: Kevin Hilman <khilman@linaro.org> Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Tested-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-07-08ARM: EXYNOS: Update secondary boot addr for secure modeSachin Kamat
Almost all Exynos-series of SoCs that run in secure mode don't need additional offset for every CPU, with Exynos4412 being the only exception. Tested on Origen-Quad (Exynos4412) and Arndale-Octa (Exynos5420). While at it, fix the coding style (space around *). Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Tushar Behera <tushar.behera@linaro.org> Tested-by: Andreas Faerber <afaerber@suse.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-07-07ARM: l2c: fix revision checkingRussell King
The revision checking in l2c310_enable() was not correct; we were masking the part number rather than the revision number. Fix this to use the correct macro. Fixes: 4374d64933b1 ("ARM: l2c: add automatic enable of early BRESP") Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-07-07Merge branch 'for-v3.16-rc/clk-dt-fixes' of ↵Tony Lindgren
https://github.com/t-kristo/linux-pm into fixes-rc4
2014-07-07ARM: dts: Fix TI CPSW Phy mode selection on IGEP COM AQUILA.Enric Balletbo i Serra
As this board use external clock for RMII interface we should specify 'rmii' phy mode and 'rmii-clock-ext' to make ethernet working. Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07ARM: dts: am335x-evmsk: Enable the McASP FIFO for audioPeter Ujfalusi
The use of FIFO in McASP can reduce the risk of audio under/overrun and lowers the load on the memories since the DMA will operate in bursts. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07ARM: dts: am335x-evm: Enable the McASP FIFO for audioPeter Ujfalusi
The use of FIFO in McASP can reduce the risk of audio under/overrun and lowers the load on the memories since the DMA will operate in bursts. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07ARM: OMAP2+: Make GPMC skip disabled devicesGuido Martínez
Currently, child nodes of the gpmc node are iterated and probed regardless of their 'status' property. This means adding 'status = "disabled";' has no effect. This patch changes the iteration to only probe nodes marked as available. Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar> Tested-by: Pekon Gupta <pekon@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07ARM: OMAP2+: create dsp device only on OMAP3 SoCsSuman Anna
The DSP platform device for TI DSP/Bridge is currently created unconditionally whenever CONFIG_TIDSPBRIDGE is enabled. This device should only be created on OMAP34xx/ OMAP36xx SoCs, and not for other OMAP3 derived SoCs or when booting multi-arch images on other SoCs. So, add a check for the SoC family both before creating the device and allocating the carveout memory for the device. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07ARM: dts: dra7-evm: Make VDDA_1V8_PHY supply always onRoger Quadros
After clarification from the hardware team it was found that this 1.8V PHY supply can't be switched OFF when SoC is Active. Since the PHY IPs don't contain isolation logic built in the design to allow the power rail to be switched off, there is a very high risk of IP reliability and additional leakage paths which can result in additional power consumption. The only scenario where this rail can be switched off is part of Power on reset sequencing, but it needs to be kept always-on during operation. This patch is required for proper functionality of USB, SATA and PCIe on DRA7-evm. CC: Rajendra Nayak <rnayak@ti.com> CC: Tero Kristo <t-kristo@ti.com> Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07ARM: DRA7/AM43XX: fix header definition for omap44xx_restartNishanth Menon
omap44xx_restart is defined as a static void inline when DRA7/AM437X is defined alone, which implies that the restart function is no longer functional even though it is built in. So, fix the definition of the same. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-06ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflowTero Kristo
The divider value provided to the _dpll_test_fint can reach value of 256 with J type DPLLs (USB etc.), which causes an overflow with the u8 datatype. Fix this by changing the parameter to be an int instead. Signed-off-by: Tero Kristo <t-kristo@ti.com> [paul@pwsan.com: changed type of 'n' to unsigned int] Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-06ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ssRoger Quadros
Add the sysconfig class bits for the Super Speed USB controllers Signed-off-by: Roger Quadros <rogerq@ti.com> Reviewed-by: Rajendra Nayak <rnayak@ti.com> Tested-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-06ARM: DRA7: hwmod: Fixup SATA hwmodRoger Quadros
Get rid of optional clock as that is now managed by the AHCI platform driver. Correct .mpu_rt_idx to 1 as the module register space (SYSCONFIG..) is passed as the second memory resource in the device tree. Signed-off-by: Roger Quadros <rogerq@ti.com> Reviewed-by: Rajendra Nayak <rnayak@ti.com> Tested-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
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