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* mfd: rave-sp: Add parameters to query IP address/netmaskAndrey Smirnov2018-12-131-0/+1
| | | | | | | | | | | | Unlike LCD type information, IP address as well as netmaks are not stored in an easily usable format in RAVE SP EEPROM. In order to obtain them we need to issue a special command to RAVE SP. For that purpose add device "sp" and expose that data as a device parameters (sp.ipaddr and sp.netmask, correspondingly) Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/net'Sascha Hauer2018-12-071-5/+3
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| * net: dns: return error codesSascha Hauer2018-11-291-5/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The resolv() function used to return the IP address. When net_udp_new() fails we return an error code though which the callers of resolv() take as an IP address. This is wrong of course and we could return 0 in this case. Instead we return an error code and pass the resolved IP as a pointer which allows us to return proper error codes. This patch also adds error messages and error returns to the various callers of resolv() which used to just continue with a zero IP and let the user figure out what went wrong. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/missing-prototypes'Sascha Hauer2018-12-071-0/+4
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| * | nvmem: Add prototype for exported functionsSascha Hauer2018-11-121-0/+4
| |/ | | | | | | | | | | | | nvmem_device_cell_read() and nvmem_device_cell_write() are exported, so add a prototype to the header file. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/misc'Sascha Hauer2018-12-071-1/+1
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| * | of: remove non-existent of_match_ptrLucas Stach2018-12-071-1/+1
| | | | | | | | | | | | | | | | | | | | | It's only used in the !OFTREE stub functions, so can be safely removed. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | Merge branch 'for-next/imx'Sascha Hauer2018-12-072-9/+22
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| * | drivers: caam: add RNG software self-testRoland Hieber2018-12-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is based on a vendor patch in U-Boot, taken from https://portland.source.codeaurora.org/patches/external/imxsupport/uboot-imx/imx_v2016.03_4.1.15_2.0.0_ga/HAB-238-Run-RNG-self-test-for-impacted-i.MX-chips.zip | HAB-238 Run RNG self test for impacted i.MX chips | | Patch is only applicable to imx_v2016.03_4.1.15_2.0.0_ga branch of u-boot. | Please adapt the patch for your respective release version. | | Background: | Few i.MX chips which have HAB 4.2.3 or beyond, have oberserved following | warning message generated by HAB due to incorrect implementation of drng | self test in boot ROM. | | Event |0xdb|0x0024|0x42| SRCE Field: 69 30 e1 1d | | | | | STS = HAB_WARNING (0x69) | | | | | RSN = HAB_ENG_FAIL (0x30) | | | | | CTX = HAB_CTX_ENTRY (0xE1) | | | | | ENG = HAB_ENG_CAAM (0x1D) | | | | | Evt Data (hex): | | | | | 00 08 00 02 40 00 36 06 55 55 00 03 00 00 00 00 | | | | | 00 00 00 00 00 00 00 00 00 00 00 01 | | It is recommended to run this rng self test before any RNG related crypto | implementations are done. | [...] | | Signed-off-by: Utkarsh Gupta <utkarsh.gupta@nxp.com> Currently known impacted chips, as determined by NXP, include: * i.MX6DQ+ silicon revision 1.1 * i.MX6DQ silicon revision 1.6 * i.MX6DLS silicon revision 1.4 * i.MX6SX silicon revision 1.4 * i.MX6UL silicon revision 1.2 * i.MX67SD silicon revision 1.3 Port the RNG software self-test from this patch to barebox. It can be enabled by selecting CRYPTO_DEV_FSL_CAAM_RNG_SELF_TEST in Kconfig. The original patch included a command line utility to run the self-test, but we choose a different approach here, and run the software self-test automatically when the respective HAB events indicating a RNG ROM self-test failure are found when running habv4_get_status(). Note that habv4_get_status() must be called by the board code before the CAAM device driver is probed for this mechanism to work. Until now there are at least two such known events. The first event was observed on an i.MX6Solo, silicon revision 1.4; the second event is mentioned in the original patch description given above. When an event occured, habv4_get_status() tests if it is one of those known events, and if so, indicates to the CAAM driver to run the software self-test. In this case, printing the respective HAB warning is suppressed to prevent confusion; the software self-test itself will error out in case of recurring RNG self-test failure. Signed-off-by: Roland Hieber <r.hieber@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | clk: straighten some inline wrappers for use without of supportSascha Hauer2018-11-191-9/+21
| |/ | | | | | | | | | | | | | | - Move struct clk_onecell_data outside of CONFIG_COMMON_CLK_OF_PROVIDER - Provide static inline wrapper for of_clk_add_provider() - Provide static inline wrapper for of_clk_src_onecell_get() Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Add pr_memory_displaySascha Hauer2018-12-031-0/+8
| | | | | | | | | | | | | | | | | | pr_memory_display is a memory_display variant that takes a MSG_* loglevel priority with which the hexdump is printed. Like the normal pr_* function this is optimized out when the priority is below the compile time priority. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | memory_display: move prototype to include/printk.hSascha Hauer2018-12-032-10/+11
| | | | | | | | | | | | | | It's where the kernel has the print_hex_dump prototypes aswell, it's a better match for these. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | printk: make line continuation not result in stray emergency errorsRoland Hieber2018-11-211-1/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The levels of pr_emerg() and pr_cont() are both set to 0. When pr_cont() is used to continue a previous line, and colored console output is enabled, this can result in garbled log messages being printed, e.g.: ERROR: HABv4: -------- HAB warning Event 0 -------- ERROR: HABv4: event data: ERROR: HABv4: dbEMERG: 00EMERG: 24EMERG: 42EMERG: 69EMERG: 30EMERG: e1EMERG: 1d ERROR: HABv4: 00EMERG: 04EMERG: 00EMERG: 02EMERG: 40EMERG: 00EMERG: 36EMERG: 06 ERROR: HABv4: 55EMERG: 55EMERG: 00EMERG: 03EMERG: 00EMERG: 00EMERG: 00EMERG: 00 ERROR: HABv4: 00EMERG: 00EMERG: 00EMERG: 00EMERG: 00EMERG: 00EMERG: 00EMERG: 00 ERROR: HABv4: 00EMERG: 00EMERG: 00EMERG: 01EMERG: ERROR: HABv4: Status: Operation completed with warning (0x69) Note the additional "EMERG: " in front of each continuation, which is inserted by pr_cont(buf) being expanded to pr_printk(0, buf). These additional strings show up in deep red on the console (which is not supported in Git commit messages…). One might argue that this is the same color as the "ERROR: " prefix, but when pr_cont() is used with pr_notice() and pr_warning(), which are printed in blue and yellow respectively, at least then the change in color would lead to additional confusion. The log level argument to pr_printk is defined as int, so we can solve this by defining the level for pr_cont() to -1, which is not used for any loglevel: ERROR: HABv4: -------- HAB warning Event 0 -------- ERROR: HABv4: event data: ERROR: HABv4: db 00 24 42 69 30 e1 1d ERROR: HABv4: 00 04 00 02 40 00 36 06 ERROR: HABv4: 55 55 00 03 00 00 00 00 ERROR: HABv4: 00 00 00 00 00 00 00 00 ERROR: HABv4: 00 00 00 01 ERROR: HABv4: Status: Operation completed with warning (0x69) Fixes: 0fcefdd9369050f35a88b41dcd42cc5a3c6c6b33 ("printk: Add pr_cont") Fixes: ea0e077ed65a003e4d7a1e023aee38cbe2d14898 ("printk: Fix pr_cont") Signed-off-by: Roland Hieber <r.hieber@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/usb'Sascha Hauer2018-11-094-5/+26
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| * usbgadget: autostart: add DFU supportLadislav Michl2018-10-291-0/+4
| | | | | | | | | | | | | | | | | | | | | | Use global variable dfu_function to autostart DFU. As similar code is used to start multifunction gadget using command, move common code to common/usbgadget.c and consolidate it. It turned out that '-s' option of usbgadget command does nothing, so remove its help text and make it function as '-a'. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * usb: gadget: fsl_udc: pass controller instance to unregisterSascha Hauer2018-10-291-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | ci_udc_unregister() used to unregister "the controller". Since we may register multiple chipidea devices we called ci_udc_unregister() for each of them. This led to messages like: ERROR: imx-usb 53f80000.usb: gadget not registered. Fix this by returning the registered controller. This allows us to call ci_udc_unregister() only when we actually registered one before. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * usb: host: ehci: do not use dev->privSascha Hauer2018-10-291-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | An ehci can be registered with ehci_register which is passed a struct device_d *. In that case the priv pointer may already be used by the caller, so we must not use it in the ehci code. At least for the Atmel ehci driver this fixes a bug, here dev->priv is set two times to different values. Since we need dev->priv in the ehci code to get the controller in ehci_detect() we can no longer implement that without the help of the caller, hence we eport ehci_detect() and epect it to be called by the code which registers a ehci host. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * usb: host: ehci: add ehci_unregister()Sascha Hauer2018-10-291-3/+11
| | | | | | | | | | | | | | | | | | ehci_register() allocates data and registers a ehci host. Add ehci_unregister() to properly halt the controller and to free the memory again.. To do so, change ehci_register() to return the ehci host rather than an error code. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * usb: Add usb_unregister_host()Sascha Hauer2018-10-261-0/+1
| | | | | | | | | | | | | | | | We have usb_register_host() which puts a new host on the list of hosts we should also have the opposite which removes the host from the list again. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/net-switch-mv88e6xxx'Sascha Hauer2018-11-095-6/+49
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| * | mdio_bus: Allow for non PHY-devices on MDIO busesAndrey Smirnov2018-10-231-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of just creating a simple PHY device for every child of MDIO bus node, add code to check if any of them have "compatible" property set, as well as code to create a proper platform device for such cases. This change is useful for when MDIO bus and some of Ethernet ports are connected to a switch or some other MDIO device that doesn't behave like a generic PHY and can't be probed via its PHY ID. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | include: linux: ethtool: Add missing *_UNKNOWN constantsAndrey Smirnov2018-10-181-0/+3
| | | | | | | | | | | | | | | Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | include: linux: phy: Add missing PHY_INTERFACE_* constantsAndrey Smirnov2018-10-181-0/+9
| | | | | | | | | | | | | | | Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | linux: string: Port kbasename()Andrey Smirnov2018-10-181-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | Port kbasename() from Linux and use it to implement basename() we already have. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | drivers: base: Convert device_d name to be dynamically allocatedAndrey Smirnov2018-10-181-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | Convert device_d name to be dynamically allocated in order to lift MAX_DRIVER_NAME length limit needed for commits that follow. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | base: Don't use shared buffer for results of dev_id()Andrey Smirnov2018-10-181-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using shared memory buffer to return results of dev_id() leads to incorrect results when used as follows: dev_info(..., "... %s ...\n", ..., dev_name(foo), ...); since result returned for dev_name(foo) will be overwritten by dev_name() call that will happen as a part of dev_* logging functions. To prevent that allocate a dedicated field "unique_name" in struct device_d and use it to store unique name returned by dev_id()/dev_name(). Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | drivers: Introduce dev_set_name()Andrey Smirnov2018-10-181-3/+8
| |/ | | | | | | | | | | | | | | Introduce dev_set_name() in order to hide implementation details of setting device's name so it'd be easier to change it. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/missing-prototypes'Sascha Hauer2018-11-091-0/+5
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| * | dma: Add missing re-inclusion protectorSascha Hauer2018-10-191-0/+5
| |/ | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/misc'Sascha Hauer2018-11-092-0/+5
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| * | net: dhcp: fix option 54Marcin Niestroj2018-10-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Option 54 (Server Identifier) is something different than SIADDR (Server IP address). Currently they are used interchangeably. This causes DHCPNAK with DHCP servers that have configured different values for each field. Create new 'dhcp_serverip' field in 'struct dhcp_result', so we treat option 54 separately. This fixes DHCP requests for servers that send two different values for SIADDR and option 54 in DHCPOFFER. Fixes: 528298b702a0 ("net: dhcp: rework") Fixes: e18cc5b7e9ce ("DHCP: fix option 54 passing") Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | i2c: introduce device_i2c_driver() macroMarco Felsch2018-10-191-0/+4
| |/ | | | | | | | | | | | | | | | | Add macro and dependency to avoid boilerplate code. Since now simple i2c drivers only have to include the i2c.h header and call the device_i2c_driver() macro to register a i2c device driver. Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/imx'Sascha Hauer2018-11-091-0/+101
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| * | lib: Port CRC8 implementation from Linux kernelAndrey Smirnov2018-11-061-0/+101
| |/ | | | | | | | | Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/gpio'Sascha Hauer2018-11-094-0/+112
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| * | gpiolib: Introduce gpio_find_by_label()Andrey Smirnov2018-10-291-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | Introduce gpio_find_by_label() in order to allow manipulating GPIOs by the labels assigned to them via DT or board/driver code. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | lib: Port kstrtox.c from Linux kernelAndrey Smirnov2018-10-292-0/+97
| | | | | | | | | | | | | | | Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | linux/ctype.h: Port _tolower()Andrey Smirnov2018-10-291-0/+9
| |/ | | | | | | | | Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/driver'Sascha Hauer2018-11-091-4/+0
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| * | drivers: base: Drop dev_get_mem_region_by_name()Andrey Smirnov2018-10-291-4/+0
| |/ | | | | | | | | | | | | | | Drop dev_get_mem_region_by_name() which doesn't seem to have any users in the codebase. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* / fs: implement d_revalidateSascha Hauer2018-10-291-0/+3
|/ | | | | | | d_revalidate is useful when filesystems change under the hood of the fs layer. This can happen with network filesystems or with devfs. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/ubifs'Sascha Hauer2018-10-0915-471/+1066
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| * vsprintf: implement %pVSascha Hauer2018-10-081-0/+5
| | | | | | | | | | | | | | %pV allows to pass in a struct va_format as a pointer. UBIFS uses this for its logging functions, but it may be useful in other places aswell. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * compiler: Update to v4.19-rc6Sascha Hauer2018-10-085-457/+535
| | | | | | | | | | | | | | | | This updates include/linux/compiler* to Linux-4.19-rc6. Among other things this gives us __printf Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: implement clear_nlink and set_nlinkSascha Hauer2018-10-081-0/+2
| | | | | | | | | | | | | | Implement clear_nlink and set_nlink and remove the private versions from UBIFS. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: implement iget_locked and iget_failedSascha Hauer2018-10-081-0/+2
| | | | | | | | | | | | Implement in fs core rather than using a private version in UBIFS. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: implement file_inodeSascha Hauer2018-10-081-0/+5
| | | | | | | | | | | | To ease code porting from Linux Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: Add SB_* flagsSascha Hauer2018-10-081-0/+19
| | | | | | | | | | | | | | Newer Kernel fs code uses SB_* flags rather than the same MS_* flags. Add them to barebox to make porting code easier. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: Add fscrypt no-op headersSascha Hauer2018-10-082-0/+378
| | | | | | | | | | | | Newer versions of UBIFS use fscrypt, so add no-op headers here. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: let dir_emit_dots return intSascha Hauer2018-10-081-1/+2
| | | | | | | | | | | | | | Change to the same prototype as the kernel to make code porting easier. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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