Since commit 0e4a459f ("tracing: Remove unnecessary DEBUG_FS
dependency"), CONFIG_DEBUG_FS is no longer auto-enabled.  This breaks
booting Debian 9, as systemd needs debugfs:

    [FAILED] Failed to mount /sys/kernel/debug.
    See 'systemctl status sys-kernel-debug.mount' for details.
    [DEPEND] Dependency failed for Local File Systems.
    ...
    You are in emergGive root password for maintenance
    (or press Control-D to continue):

Fix this by enabling CONFIG_DEBUG_FS explicitly.

See also commit 18977008 ("ARM: multi_v7_defconfig: Restore
debugfs support").
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: NNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20191209101327.26571-1-geert+renesas@glider.be

Update the defconfig for Renesas ARM boards:
  - Drop CONFIG_ARM_ERRATA_754322=y (auto-enabled since commit
    2eced460 ("soc: renesas: Enable ARM_ERRATA_754322 for
    affected Cortex-A9")),
  - Drop CONFIG_MTD_M25P80=y (removed in commit b35b9a10 ("mtd:
    spi-nor: Move m25p80 code in spi-nor.c")),
  - Drop CONFIG_LCD_CLASS_DEVICE=n (no longer auto-enabled since commit
    bcd69da9 ("video: backlight: Drop default m for
    {LCD,BACKLIGHT_CLASS_DEVICE}")).
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191025135325.32242-1-geert+renesas@glider.be

Remove the GENERIC_PHY config option from shmobile_defconfig, as it is
selected by PHY_RCAR_GEN3_USB2.

PHY_RCAR_GEN3_USB2 is enabled by the commit 0cd4f4f1
("ARM: shmobile: Enable PHY_RCAR_GEN3_USB2 in shmobile_defconfig").
Signed-off-by: NBiju Das <biju.das@bp.renesas.com>
Acked-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

The USB [EO]HCI controller on RZ/G1C SoC doesn't have PCI bridge like
other R-Car Gen2 devices. So enable generic USB [EO]HCI HCD PLATFORM
support in shmobile_defconfig.
Signed-off-by: NBiju Das <biju.das@bp.renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Enable PHY_RCAR_GEN3_USB2 in shmobile_defconfig so that boards
based on RZ/G1C SoC design can use the corresponding driver.
Signed-off-by: NBiju Das <biju.das@bp.renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Enable the config options needed to access the CFI NOR FLASH on the
APE6EVM board.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: NNiklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Update the defconfig for Renesas ARM boards:
  - Move CMA-related config options (moved in commit ddb26d8e
    ("dma-mapping: move CONFIG_DMA_CMA to kernel/dma/Kconfig"),
  - Drop CONFIG_DRM_RCAR_LVDS=y (auto-enabled since commit
    02f2b300 ("drm: rcar-du: lvds: Add API to enable/disable
    clock output")),
  - Drop CONFIG_SND_SIMPLE_SCU_CARD=y (removed in commit
    c8ed6aca ("ASoC: simple-scu-card: remove simple-scu-card")).
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Enable support for the RZ/A2 SoC, including pin control, now the DTS for
the Renesas RZ/A2M evaluation board is included.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

- Move SoC config options (moved in commit 062887bf ("ARM:
    shmobile: Move SoC Kconfig symbols to drivers/soc/renesas/")),
  - Move PCI config options (moved in commit eb01d42a ("PCI:
    consolidate PCI config entry in drivers/pci")),
  - Drop CONFIG_I2C_MUX=y (auto-enabled since commit ea6b13e9
    ("drm/bridge/sii902x: Add missing dependency on I2C_MUX")),
  - Drop CONFIG_SH_DMAE=y (no longer selectable since commit
    a1978861 ("dmaengine: sh: Remove R-Mobile APE6 support")),
  - Drop CONFIG_ARM_UNWIND (auto-enabled since commit f9b58e8c
    ("ARM: 8800/1: use choice for kernel unwinders")).
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

The iWave RZ/G1C SBC supports RTC (NXP pcf85263). To increase hardware
support enable the driver in the shmobile_defconfig multiplatform
configuration.
Signed-off-by: NBiju Das <biju.das@bp.renesas.com>
Reviewed-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

The iwg23s board comes with the SiI9022ACNU HDMI transmitter,
this patch makes sure the corresponding driver gets built.
Signed-off-by: NFabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: NBiju Das <biju.das@bp.renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Enable recently added r8a7744 (RZ/G1N) SoC.
Signed-off-by: NBiju Das <biju.das@bp.renesas.com>
Reviewed-by: NFabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

R-Car Gen2 (and RZ/G1) SoCs have a Fine Display Processor, hence enable
support for it.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Refresh the defconfig for Renesas ARM boards:
  - Move options that have moved,
  - Remove CONFIG_HAVE_ARM_ARCH_TIMER (auto-enabled),
  - Remove ENABLE_WARN_DEPRECATED (removed).
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

As the soc_camera framework is going to be deprecated soon, remove the
associated configuration options from shmobile defconfig.
Signed-off-by: NJacopo Mondi <jacopo@jmondi.org>
Acked-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

No recent mainstream system uses the /sbin/hotplug fork-bomb any more.
Commit 7934779a ("Driver-Core: disable
/sbin/hotplug by default") disabled it in Kconfig, but the various
defconfigs weren't updated.

According to the systemd requirements, this option must be disabled, as
it slows down the system and confuses udev.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Enable support for the Renesas RZN1D-DB Board:
  - RZ/N1D (R9A06G032) base SoC support,
  - Synopsys DesignWare 8250 serial port support.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

R-Car Gen2 and RZ/G1 SoCs can make use of the optional reset controller
support in the Renesas CPG/MSSR driver.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Enabling NET_VENDOR_* Kconfig options does not directly affect the
kernel, so there is no need to explicitly disable them.
The individual network drivers under them are still disabled.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

R-Car Gen2 and RZ/G1 platforms come with a watchdog IP, therefore enable
its driver by default.
Signed-off-by: NFabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: NRamesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Reviewed-by: NWolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

The last Renesas ARM platform using this driver was removed in commit
a521422e ("ARM: shmobile: mackerel: Remove Legacy C board
code").
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Enable recently added r8a77470 (RZ/G1C) SoC.
Signed-off-by: NBiju Das <biju.das@bp.renesas.com>
Reviewed-by: NFabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

CONFIG_EXPERT exposes too many config options that do not matter for
development.  E.g. it prohibits using the default values for the various
SH_SCI options.  However, CONFIG_EMBEDDED selects CONFIG_EXPERT, so it
cannot be disabled.

Hence disable CONFIG_EMBEDDED, and compensate for the loss of
CONFIG_DEBUG_KERNEL by enabling the latter.

Actual impact, all harmless:
  - CONFIG_NAMESPACES=y (plus a few related CONFIG_*_NS options),
  - CONFIG_SYSCTL_SYSCALL=n,
  - CONFIG_SERIAL_SH_SCI_NR_UARTS changed from 20 to 18,
  - Some HID support became enabled,
  - CONFIG_DEBUG_MEMORY_INIT=y,

Refresh the result.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

- CONFIG_AEABI is enabled since commit 49460970 ("ARM: always
    enable AEABI for ARMv6+"),
  - CONFIG_SERIAL_SH_SCI_CONSOLE is enabled since commit
    c5bb576d ("tty: serial: sh-sci: Hide serial console config
    question"),
  - CONFIG_SERIAL_SH_SCI_DMA is enabled since commit be7e251d
    ("tty: serial: sh-sci: Hide DMA config question").
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Enable PINCTRL_RZA1 option in shmobile_defconfig
Signed-off-by: NJacopo Mondi <jacopo+renesas@jmondi.org>
Tested-by: NSimon Horman <horms+renesas@verge.net.au>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

RZ/G1 and R-Car platforms have PWM timers. This patch enables PWM support
by default.
Signed-off-by: NFabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: NBiju Das <biju.das@bp.renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

The iWave RZ/G1M Q7 carrier board supports I2S audio codec "SGTL5000".

To increase hardware support enable the driver in the shmobile_defconfig
multiplatform configuration.
Signed-off-by: NBiju Das <biju.das@bp.renesas.com>
Reviewed-by: NFabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

The iWave RZ/G1M Q7 SOM supports RTC (TI BQ32000).
To increase hardware support enable the driver in the
shmobile_defconfig multiplatform configuration.
Signed-off-by: NBiju Das <biju.das@bp.renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

- Several options were moved,
  - INPUT_MOUSEDEV_PSAUX is no longer enabled by default since commit
    73d8ef76 ("Input: mousedev - stop offering PS/2 to userspace
    by default").
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

DMA for (H)SCIF(A|B) serial ports on R-Car Gen2 and RZ/G1 SoCs is
considered stable, hence enable it by default.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

The manual bridge implementation was removed in favor of the generic
one, so now we need to enable standard bridge drivers like
DRM_DUMB_VGA_DAC and DRM_I2C_ADV7511.
DRM_I2C_ADV7511 was already enabled, but the (newer) audio part wasn't.

Fixes: 5c602531 ("drm: rcar-du: Replace manual bridge implementation with DRM bridge")
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

SND_SOC_RSRC_CARD was renamed SND_SIMPLE_SCU_CARD, hence update
shmobile_defconfig.

Fixes: d12c6216 ("ASoC: rsrc-card: rename rsrc-card to simple-scu-card phase3")
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

USB_XHCI_RCAR is no longer enabled, as it now has a dependency on
USB_XHCI_PLATFORM, instead of selecting USB_XHCI_PLATFORM.
As the latter selects the former if ARCH_RENESAS, fix this by replacing
USB_XHCI_RCAR by USB_XHCI_PLATFORM in shmobile_defconfig.

Fixes: f879fc32 ("usb: host: xhci-rcar: Avoid long wait in xhci_reset()")
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

PCIE_RCAR is no longer enabled, as it now has a dependency on
PCI_MSI_IRQ_DOMAIN instead of selecting PCI_MSI and PCI_MSI_IRQ_DOMAIN.
Fix this by explicitly enabling PCIE_RCAR in shmobile_defconfig.

Fixes: 3ee80364 ("PCI/MSI: irqchip: Fix PCI_MSI dependencies")
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

The iWave RZ/G1M Q7 SOM supports Gigabit Ethernet Phy (Micrel KSZ9031MNX).
Gigabit Ethernet support is available in Renesas AVB driver.
To increase hardware support enable the driver in the shmobile_defconfig
multiplatform configuration.
Signed-off-by: NBiju Das <biju.das@bp.renesas.com>
Reviewed-by: NChris Paterson <chris.paterson2@renesas.com>
Acked-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

This doesn't have any benefit apart from saving a small amount of memory
when it is disabled. The ifdef hackery in the code makes it dirty
unnecessarily.

Clean it up by removing the Kconfig option completely. Few defconfigs
are also updated and CONFIG_CPU_FREQ_STAT_DETAILS is replaced with
CONFIG_CPU_FREQ_STAT now in them, as users wanted stats to be enabled.
Signed-off-by: NViresh Kumar <viresh.kumar@linaro.org>
Acked-by: NGregory CLEMENT <gregory.clement@free-electrons.com>
Reviewed-by: NChanwoo Choi <cw00.choi@samsung.com>
Acked-by: NKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>

Enable recently added r8a7743 (RZ/G1M) and r8a7745 (RZ/G1E) SoCs.
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>
Acked-by: NGeert Uytterhoeven <geert+renesas@glider.be>

To be able to use VIN with larger frame sizes CMA memory are needed for
DMA. If this is not enabled trying to capture large frames can result in
errors such as:

rcar-vin e6ef0000.video: dma_alloc_coherent of size 8388608 failed

A CMA area of 64MB are needed for v4l2-compliance to pass on all formats
on the largest possible frame size of 2048x2048.
Signed-off-by: NNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

The adv7612 is used on Gen2 boards (Lager, Koelsch and Gose) for HDMI
input. Enable support for this chip in shmobile_defconfig.
Signed-off-by: NNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Enable support for CONFIG_CGROUPS in shmobile_defconfig.
Signed-off-by: NNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>