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* | | Merge branch 'for-next/ratp'Sascha Hauer2020-06-112-1/+18
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| * | | ratp: Remove unnecessary poller_call()Sascha Hauer2020-05-201-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | poller_call() is called by is_timeout(), no need to do this again in a timeout loop. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | ratp: Test if console exists before using itSascha Hauer2020-05-201-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Consoles can be unregistered, this happens for example when barebox implements the barebox serial USB gadget. Before using the console we have to explicitly test if the pointer is still valid each time. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | ratp: Free buffersSascha Hauer2020-05-201-0/+2
| | |/ | |/| | | | | | | | | | | | | recvbuf and sendbuf are never freed, free them to avoid memory holes. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | Merge branch 'for-next/mmc'Sascha Hauer2020-06-1110-87/+24
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| * | | mci: reword MCI_STARTUP textAhmad Fatoum2020-06-031-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With the recent addition of a generic device_detect for MCI devices, the MCI_STARTUP help text is no longer accurate. Reword it, but leave the option as-is as some boards may be broken if we drop the option (e.g. because they still depend on a probe order or call default_environment_path_set, but don't explicitly detect the device). Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | mci: remove now-duplicate dev->detect implementations in host driversAhmad Fatoum2020-06-038-79/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previous commit introduced a fall-back MCI hw_dev->detect implementation. All drivers touched in this commit populate hw_dev, so lets drop their now-superfluous detect implementations. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | mci: define fall-back hw_dev->detect for all MCIsAhmad Fatoum2020-06-031-3/+19
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A barebox environment oftree node may reference its storage by a phandle to a partition node under a MCI node. barebox will then call the device's detect method to detect the card if this hasn't happened before. Out of 17 MCI drivers, 8 host drivers already implement a detect method, which just calls mci_detect_card. Provide a generic implementation that does the same. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | Merge branch 'for-next/misc'Sascha Hauer2020-06-1128-363/+94
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| * | | MIPS: correctly work with disabled CONFIG_MMUAntony Pavlov2020-06-082-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are some issues with CONFIG_MMU=n in MIPS configuration (e.g. qemu-malta_defconfig): * "Cannot request SDRAM region for stack" error message on start; * empty kseg1_ram0 region in the iomem command output. The patch fixes the problems by forcing KSEG1 memory region usage for CONFIG_MMU=n MIPS configurations. Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | nfs: Fix out of bounds readSascha Hauer2020-06-031-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | nfs_read_reply() interprets the fields of an incoming packet directly as a field length without checking the boundaries. Clamp the maximum length to the packet length to avoid reading out of bounds. Reported-by: Jai Verma <jai2.verma@outlook.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | logo: Makefile: make it possible to use inkscape 1.0Antony Pavlov2020-06-031-6/+13
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | scripts: .gitignore: ignore mvebuimg binaryAhmad Fatoum2020-06-031-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If selected, we generate a mvebuimg binary that should be ignored by version control. Add .gitignore entry to do so. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | serial: stm: set linux_console_nameMichael Grzeschik2020-06-031-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We set the linux_console_name so for this uart the linux.bootargs.console will be properly set. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | serial: amba-pl011: set linux_console_nameMichael Grzeschik2020-06-031-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We set the linux_console_name so for this uart the linux.bootargs.console will be properly set. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | password: Fix warning with empty default passwordDavid Dgien2020-06-031-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When CONFIG_PASSWORD_DEFAULT is unset, the default_passwd buffer is set to the empty string. The read_default_passwd() function wants to read at least two characters from that buffer, causing GCC to generate an array bounds warning: barebox/common/password.c: In function 'login': barebox/common/password.c:173:5: warning: array subscript [1, 2147483647] is outside array bounds of 'const char[1]' [-Warray-bounds] In file included from barebox/common/password.c:30: include/generated/passwd.h:1:19: note: while referencing 'default_passwd' Add an ARRAY_SIZE check to default_passwd so that the loop is optimized away and the warning is no longer generated. Since the read_default_passwd() function is only called when default_passwd is not the empty string, this is not a functional change. Signed-off-by: David Dgien <dgienda125@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | password: don't export read_default_passwd()Uwe Kleine-König2020-06-031-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This function is used only in common/password.c itself, so it doesn't need to be exported. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | serial: Add flush function to NS16550 driverDavid Dgien2020-06-031-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add flush function to NS16550 to remove bad characters being printed during reset Signed-off-by: David Dgien <dgienda125@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | blspec: Allow the "options" key to be given multiple timesRobert Karszniewicz2020-06-031-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Boot Loader Spec says: "This key is optional and may appear more than once in which case all specified parameters are used in the order they are listed." Signed-off-by: Robert Karszniewicz <r.karszniewicz@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | treewide: replace commas with semicolons where appropriateAhmad Fatoum2020-05-208-25/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Found by searching drivers/ arch/ common/ and lib/ for /^\s+[^."/\*\[\s\{\(A-Z][^\[\{\(]*=[^\{\(]+,$/ Because the comma has the lowest precedence in C, this shouldn't result in any functional change. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | ARM: dts: imx6: phycard: remove baseboard compatibleRobert Karszniewicz2020-05-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This devicetree isn't baseboard-specific, so keep it compatible at SOM-level. Signed-off-by: Robert Karszniewicz <r.karszniewicz@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | arch: include <asm-generic/int-ll64.h> from <asm/types.h>Masahiro Yamada2020-05-188-326/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many architectures duplicate the same fixed type definitions as in <asm-generic/int-ll64.h>. Include <asm-generic/int-ll64.h> from <asm/types.h>, and remove the duplicated code. Note: Linux commit 0c79a8e29b5f ("asm/types.h: Remove include/asm-generic/int-l64.h") unified the kernel space definition into int-ll64.h. Barebox also adopts int-ll64. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | .gitignore: drop stale ignore pattern include/asmMasahiro Yamada2020-05-181-1/+0
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In old days, Linux created a symlink include/asm -> include/asm-*, but all the asm headers were moved to arch/*/include/asm, which is the same for Barebox too. Remove the bitrotten ignore pattern. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | Merge branch 'for-next/kvx'Sascha Hauer2020-06-114-5/+0
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| * | | clocksource: kvx: remove unused variable npClement Leger2020-05-181-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove unused variable np from probe function. Signed-off-by: Clement Leger <cleger@kalray.eu> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | kvx: do not include empty <config.h>Masahiro Yamada2020-05-183-4/+0
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | <config.h> is per-board config file, which is only allowed for old boards. For new boards, the top Makefile creates an empty include/config.h kvx does not have config.h, so #include <config.h> is useless. Also, remove meaningless board-$(CONFIG_GENERIC). Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-By: Clement Leger <cleger@kalray.eu> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | Merge branch 'for-next/kbuild'Sascha Hauer2020-06-1142-355/+308
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| * | powerpc: move ddr-8xxx/ to the relevant MakefileMasahiro Yamada2020-05-252-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Directory descending upward is ugly. Move it to the correct Makefile. No functional change is intended because FSL_DDR{2,3} depend on ARCH_MPC85XX. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | Revert "ARM: socfpga: generate smaller images when multiple boards are selected"Masahiro Yamada2020-05-2518-96/+88
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit a83c97f2a4065ef7209f123b837fa5103f984c6a. The dead code elimination with thin archive can cope with the same symbol names. Revert the workaround. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | kbuild: switch over to thin archiveMasahiro Yamada2020-05-259-31/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Starting v4.13, Linux always uses thin archive instead of relocatable ELF to combine builtin objects. The thin archive is basically a text file that only contains paths to object files. As Linux commit 98ced886dd79 mentioned, this has a lot of benefits: - save disk space for builds - speed-up building a little - fix some issues when liking a giant executable (for example, allyesconfig on ARM Linux) - work better with dead code elimination The last one is important for barebox because pbl highly relies on the dead code elimination (-f{function,data}-sections and --gc-sections) dropping symbols that are unreachable from the linker's entry point. The dead code elimination does not work if the same symbol names are used in the pevious incremental link mechanism because the same name symbols all go into the same section. Commit a83c97f2a406 ("ARM: socfpga: generate smaller images when multiple boards are selected") worked around it by giving a dedicate section to each of the same name symbols. This workaround can go away. built-in.o was renamed to built-in.a since it is now an archive. built-in-pbl.o was renamed to built-in.pbl.a for consistency. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | kbuild: unify barebox and pbl build commandsMasahiro Yamada2020-05-252-29/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current Linux uses the unified build command for built-in objects and module objects. This is possible because part-of-module is set to y when the target is being built for a module. If so, quiet_modtag is set to [M], and modkern_cflags is set to KBUILD_CFLAGS_MODULE instead of KBUILD_CFLAGS_KERNEL. Currently, barebox uses a separate build command for pbl, but the difference between cmd_cc_o_c and cmd_pbl_cc_o_c is just "-D__PBL__ $(PBL_CPPFLAGS)". By using the same approach as Linux, they can be unified. Set part-of-pbl flag to y when the target is being built for pbl. Merge cmd_as_o_S and cmd_link_o_target as well. This also changes the shortlog style as follows: PBLCC -> CC [P] PBLAS -> AS [P] PBLLD -> LD [P] This is more consistent with the policy in the Linux build system. In Linux, a capital letter enclosed square blackets indicates which target the object is being built for. CC object built for built-in CC [M] object built for modules CC [U] object built for userspace (proposed for Linux 5.8-rc1) The idea behind this is we use the same compiler $(CC) for them. Only the difference is the compiler flags. On the other hand, host programs are compiled by a different tool, $(HOSTCC), hence the shortlog is 'HOSTCC'. Barebox supports module builds (it seems), but the [P] notation does not conflict with [M] because pbl has a limited memory footprint. We never expect pbl can support the module feature. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | kbuild: resync modkern_{c, a}flags and quiet_modtag with Linux 5.7-rc6Masahiro Yamada2020-05-202-27/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The latest Linux calculates them more simply; part-of-module is set when the target is being built for a module. Also, rename real-objs-{y,m} to real-obj-{y,m}. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | kbuild: append $(bbenv-y) to obj-y earlierMasahiro Yamada2020-05-201-6/+5
| | | | | | | | | | | | | | | | | | | | | You can save one line. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | kbuild: resync mkdir code with Linux 5.7-rc6Masahiro Yamada2020-05-203-19/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | Kbuild automatically creates the output directories for O= builds. Previously it called mkdir too much. Linux optimized this a lot. Let's import the outcome so it works faster. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | kbuild: remove obj-dtb-y, pbl-dtb-y, lwl-dtb-y syntaxMasahiro Yamada2020-05-206-134/+126
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The embedded DTBs are compiled by the chain of pattern rules as follows: %.dts -> %.dtb -> %.dtb.S -> %.dtb.o for barebox proper %.dts -> %.dtb -> %.dtb.S -> %.dtb.pbl.o for pbl Barebox introduced {obj,pbl,lwl}-dtb-y syntax to put the intermediate files into extra-y. The purposes of doing so were: [1] prevent GNU Make from deleting the intermediate files [2] include .*.cmd files In contrast, Linux does not use a special syntax for embedding DTBs into the kernel. For example, as you see in arch/sh/boot/dts/Makefile of Linux 5.6, obj-y += <basename>.dtb.o ... just works. This is because scripts/Kbuild.include specifies .SECONDARY to cater to [1], and scripts/Makefile.build adds the intermediates to 'targets' to deal with [2]. Barebox had already imported the same code from Linux, so you can use obj-y instead of obj-dtb-y, like Linux. pbl-dtb-y and lwl-dtb-y are barebox-specific cases, so I added the %.dtb.pbl.o pattern to intermediate_targets. Going forward, please use obj-y, pbl-y, or lwl-y. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | kbuild: rename pbl object pbl-*.o to *.pbl.oMasahiro Yamada2020-05-209-18/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, pbl objects are output to: <directory-path>/pbl-<basename>.o This commit changes as follows: <directory-path>/<basename>.pbl.o The motivation is not only to get rid of the ugly code introduced by commit 257abdaa36c8 ("Do not rm the path from pbl-y target"), but also to make it easier to remove obj-dtb-y, pbl-dtb-y, lwl-dtb-y syntax in the next commit. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | kbuild: build modules by 'make'Masahiro Yamada2020-05-201-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Linux, 'make' and 'make all' work equivalently; it builds both vmlinux and modules. In barebox, strangely, 'make all' builds both barebox and modules, but 'make' builds only barebox because KBUILD_MODULES is unset. The check for 'ifeq ($(MAKECMDGOALS),)' is missing since the day-one. Fixes: b02e0966412c ("add additional linking stage for modules") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | kconfig: add 'option modules' to allow tristate options to become mMasahiro Yamada2020-05-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 18895514dc5e ("kconfig: update to v3.18-rc6"), tristate symbols cannot become 'm'. In old days of Linux, CONFIG_MODULES was the special option hard-coded in Kconfig. The current Kconfig does not know which option is it. You need to specify 'option modules' to teach Kconfig that it is the module support switch. Add 'option modules' to revive the module builds. Fixes: 18895514dc5e ("kconfig: update to v3.18-rc6") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | kbuild: add -std=gnu89 to KBUILD_CFLAGSMasahiro Yamada2020-05-201-1/+1
| |/ | | | | | | | | | | | | | | Barebox imports lots of code from Linux, so should use the same language standard as Linux. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/imx'Sascha Hauer2020-06-112-2/+2
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| * | ARM: i.MX: enable Master Identifier UnlockRouven Czerwinski2020-06-022-2/+2
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | By default the HAB locks the Master Identifier (MID) to preconfigured values. This is not a problem if Linux is running in the secure world, however when running a secure world operating system such as OP-TEE, the MID configuration should be done by the secure world operating system. This causes no regressions for systems using no secure world operating systems, since no MID value indicates that all normal/secure world entities can access the peripherals supporting the MID. Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/fastboot'Sascha Hauer2020-06-1126-1018/+1219
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| * | fastboot: Use unique tempfile nameSascha Hauer2020-05-202-9/+13
| | | | | | | | | | | | | | | | | | | | | | | | With fastboot over ethernet we now can have two instances of fastboot running in parallel. Make sure that both instances use a different temporary file to store data so that they do not influence each other. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | fastboot: don't close fd 0 when downloading to ramDaniel Glöckner2020-05-201-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | When downloading to a buffer, download_fd is never assigned a valid file descriptor. We should therefore avoid calling close on the value found in that variable. Signed-off-by: Daniel Glöckner <dg@emlix.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | fastboot: split generic code from USB gadgetEdmund Henniges2020-05-209-999/+1112
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The fastboot specification describes other protocols beyond USB. Allow these to reuse the generic parts of the existing fastboot code when they are implemented. Most of the changes in common/fastboot.c are due to the renaming of struct f_fastboot *f_fb to struct fastboot *fb. Signed-off-by: Edmund Henniges <eh@emlix.com> Signed-off-by: Daniel Glöckner <dg@emlix.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | poller: Add a poller commandSascha Hauer2020-05-202-0/+80
| | | | | | | | | | | | | | | | | | | | | The poller command allows to print which pollers are registered and also how many times we can run the registered pollers in one second. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | poller: Give pollers a nameSascha Hauer2020-05-2016-19/+22
| |/ | | | | | | | | | | It helps debugging when pollers have a name, so give them one. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/dts'Sascha Hauer2020-06-1172-220/+207
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| * | dts: update to v5.7Sascha Hauer2020-06-1016-53/+41
| | | | | | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | dts: update to v5.7-rc7Sascha Hauer2020-06-101-0/+3
| | | | | | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>