Enable the required drivers for the WiFi / Bluetooth functionality.

I enabled WEXT compatibility as well since the CI20 is typically used
with a very old userspace.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Just a "make ci20_defconfig menuconfig savedefconfig"
Without changing anything in the menuconfig. No functional change.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Wire the WiFi/Bluetooth chip properly in the Device Tree.

- Provide it with the correct regulators and clocks;
- Change the MMC I/O bus to 1.8V which seems to be enough;
- Change the MMC I/O bus frequency to 25 MHz as 50 MHz causes errors;
- Fix the Bluetooth powerdown GPIO being inverted and add reset GPIO;
- Convert host-wakeup-gpios to IRQ.

With these changes, the WiFi works properly with the latest firmware
provided by linux-firmware. The Bluetooth does not work very well here,
as I cannot get my wireless keyboard to pair; but it does detect it, and
it does see the key presses when I type the pairing code.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

This makes it possible to clock the SD cards much higher, as the MPLL is
running at 1.2 GHz by default. The previous parent was the EXT clock,
which caused the SD cards to be clocked at 24 MHz maximum.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

- Use the standard "ecc-engine" property instead of the custom
"ingenic,bch-controller" to get a handle to the BCH controller.

- Respect cell sizes in the Ethernet controller node.

- Use proper macro for interrupt type instead of hardcoding magic
  values.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

These regulators should be enabled by their respective drivers.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Provide parent regulators to the ACT8600 regulators that need one.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

The Device Tree was using invalid node names for the ACT8600 regulators.
To be fair, it is not the original committer's fault, as the
documentation did gives invalid names as well.

In theory, the fix should have been to modify the driver to accept the
alternative names. However, even though the act8865 driver spits
warnings, the kernel seemed to work fine with what is currently
supported upstream. For that reason, I think it is okay to just update
the DTS.

I removed the "regulator-name" too, since they really didn't bring any
information. The node names are enough.

Fixes: 73f2b940 ("MIPS: CI20: DTS: Add I2C nodes")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

The regulators don't have any "reg" property, and therefore shouldn't
use an unit address in their node names. They also don't need to specify
the GPIO_ACTIVE_LOW flag, which will be ignored anyway, as they are
active-high.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

The regulators don't have any "reg" property, and therefore shouldn't
use an unit address in their node names.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

The JZ4750, JZ4755 and JZ4760 (non-B version) support using a 24 MHz
external crystal oscillator instead of the typical 12 MHz one.

However, most of the SoC's IP blocks only work with a 12 MHz clock.
Thanksfully, there is a /2 divider we can enable when a 24 MHz external
crystal is present.

Force-enable this /2 divider when the oscillator is 24 MHz, so that the
SoC always uses a 12 MHz clock internally.

It is done here, and not in the clocks driver, because we need the EXT
clock to be 12 MHz for the early console to work, and the clocks driver
probes way too late.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

These flags are useless in this case as the code referencing these data
structures is always seen by the compiler (and not behind #ifdef
guards).
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

The LXW, LXH, LXHU opcodes are part of the MXU ASE found in Ingenic
XBurst based SoCs.

While technically part of the MXU ASE, they do not touch any of the SIMD
registers, and can be used even when the MXU ASE is disabled.

This patch makes it possible to emulate unaligned access for those
instructions.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Revert commit 75b18aac ("MIPS: unhide PATA_PLATFORM") now that
HAVE_PATA_PLATFORM is set selectively for all the relevant platforms.

Verified with `db1xxx_defconfig' and `sb1250_swarm_defconfig' by making
sure PATA_PLATFORM is still there in `.config' with this change applied,
and with `malta_defconfig' by making sure it's now gone.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

We have limited demand for platform PATA support across MIPS platforms:

$ find arch/mips -type f | sort | xargs grep -l pata_platform_info
arch/mips/alchemy/devboards/db1200.c
arch/mips/alchemy/devboards/db1300.c
arch/mips/sibyte/swarm/platform.c
$

certainly not high enough to justify enabling support for PATA_PLATFORM
port-wide.  SiByte platforms are handled selectively already, so just
make a similar arrangement for Alchemy DB1XXX platforms.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

- fixes to get alchemy platform back in shape
- fix for initrd detection

Fix some indentation issues and remove the following checkpatch issue:
- ERROR: need consistent spacing around '-' (ctx:WxV)
Co-Developed-by: Ladislav Michl <oss-lists@triops.cz>
Signed-off-by: Franziska Naepelt <franziska.naepelt@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Since we do have P5600 bitfile for boston board, we should
allow generic kernel to be compiled for R5 CPUs.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

The unxlate_dev_mem_ptr() function has no prototype on the mips
architecture, which does not include asm-generic/io.h, so gcc warns
about the __weak definition:

drivers/char/mem.c:94:29: error: no previous prototype for 'unxlate_dev_mem_ptr' [-Werror=missing-prototypes]

Since everyone else already gets the generic definition or has a custom
one, there is not really much point in having a __weak version as well.

Remove this one, and instead add a trivial macro to the mips header.
Once we convert mips to use the asm-generic header, this can go away
again.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

PAGE_OFFSET is technically a virtual address so when checking the value of
initrd_start against it we should make sure that it has been sanitised from
the values passed by the bootloader. Without this change, even with a bootloader
that passes correct addresses for an initrd, we are failing to load it on MT7621
boards, for example.
Signed-off-by: Liviu Dudau <liviu@dudau.co.uk>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Various fixes for the Au1200/Au1550/Au1300 DBDMA2 code:

- skip cache invalidation if chip has working coherency circuitry.
- invalidate KSEG0-portion of the (physical) data address.
- force the dma channel doorbell write out to bus immediately with
  a sync.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

The Au1300, at least the one I have to test, uses the NetLogic vendor
ID, but commit 95b8a5e0 ("MIPS: Remove NETLOGIC support") also
dropped Au1300 detection.  Restore Au1300 detection.

Tested on DB1300 with Au1380 chip.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Alchemy DB1200/DB1300 boards can use the pata_platform driver.
Unhide the config entry in all of MIPS.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Add a node for the on-board I2S audio controller.
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Commit 2a31bf20 ("watchdog: loongson1_wdt: Implement restart handler")
implmented .restart ops, Then, _machine_restart is no longer needed.
The _machine_halt and pm_power_off are also unnecessary,
which contain no hardware operations.

Therefore, remove the entire reset.c and related header file.
Update the Makefile accordingly.
Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

The "ext" and "pll half" clocks don't belong in the DT. They are
not consumed directly by the AIC and are only used as the parent
clocks of the "i2s" clock. An operating system should be able to
figure out that information itself because it presumably knows the
layout of the clock tree.

Removing these from the DT should be safe from a compatibility
point of view because the jz4740-i2s driver in Linux does not, and
never did depend on them.
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Link: https://lore.kernel.org/all/20221028103418.17578-1-aidanmacdonald.0x0@gmail.com/Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Pull UML fix from Richard Weinberger:

 - Fix modular build for UML watchdog

* tag 'uml-for-linus-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux:
  um: harddog: fix modular build

Pull kvm fixes from Paolo Bonzini:
 "ARM:

   - Plug a race in the stage-2 mapping code where the IPA and the PA
     would end up being out of sync

   - Make better use of the bitmap API (bitmap_zero, bitmap_zalloc...)

   - FP/SVE/SME documentation update, in the hope that this field
     becomes clearer...

   - Add workaround for Apple SEIS brokenness to a new SoC

   - Random comment fixes

  x86:

   - add MSR_IA32_TSX_CTRL into msrs_to_save

   - fixes for XCR0 handling in SGX enclaves

  Generic:

   - Fix vcpu_array[0] races

   - Fix race between starting a VM and 'reboot -f'"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: VMX: add MSR_IA32_TSX_CTRL into msrs_to_save
  KVM: x86: Don't adjust guest's CPUID.0x12.1 (allowed SGX enclave XFRM)
  KVM: VMX: Don't rely _only_ on CPUID to enforce XCR0 restrictions for ECREATE
  KVM: Fix vcpu_array[0] races
  KVM: VMX: Fix header file dependency of asm/vmx.h
  KVM: Don't enable hardware after a restart/shutdown is initiated
  KVM: Use syscore_ops instead of reboot_notifier to hook restart/shutdown
  KVM: arm64: vgic: Add Apple M2 PRO/MAX cpus to the list of broken SEIS implementations
  KVM: arm64: Clarify host SME state management
  KVM: arm64: Restructure check for SVE support in FP trap handler
  KVM: arm64: Document check for TIF_FOREIGN_FPSTATE
  KVM: arm64: Fix repeated words in comments
  KVM: arm64: Constify start/end/phys fields of the pgtable walker data
  KVM: arm64: Infer PA offset from VA in hyp map walker
  KVM: arm64: Infer the PA offset from IPA in stage-2 map walker
  KVM: arm64: Use the bitmap API to allocate bitmaps
  KVM: arm64: Slightly optimize flush_context()

Merge tag 'perf-tools-fixes-for-v6.4-1-2023-05-20' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Fail graciously if BUILD_BPF_SKEL=1 is specified and clang isn't
   available

 - Add empty 'struct rq' to 'perf lock contention' to satisfy libbpf
   'runqueue' type verification. This feature is built only with
   BUILD_BPF_SKEL=1

 - Make vmlinux.h use bpf.h and perf_event.h in source directory, not
   system ones that may be old and not have things like 'union
   perf_sample_weight'

 - Add system include paths to BPF builds to pick things missing in the
   headers included by clang -target bpf

 - Update various header copies with the kernel sources

 - Change divide by zero and not supported events behavior to show
   'nan'/'not counted' in 'perf stat' output.

   This happens when using things like 'perf stat -M TopdownL2 true',
   involving JSON metrics

 - Update no event/metric expectations affected by using JSON metrics in
   'perf stat -ddd' perf test

 - Avoid segv with 'perf stat --topdown' for metrics without a group

 - Do not assume which events may have a PMU name, allowing the logic to
   keep an AUX event group together. Makes this usecase work again:

     $ perf record --no-bpf-event -c 10 -e '{intel_pt//,tlb_flush.stlb_any/aux-sample-size=8192/pp}:u' -- sleep 0.1
     [ perf record: Woken up 1 times to write data ]
     [ perf record: Captured and wrote 0.078 MB perf.data ]
     $ perf script -F-dso,+addr | grep -C5 tlb_flush.stlb_any | head -11
     sleep 20444 [003]  7939.510243:  1  branches:uH:  7f5350cc82a2 dl_main+0x9a2 => 7f5350cb38f0 _dl_add_to_namespace_list+0x0
     sleep 20444 [003]  7939.510243:  1  branches:uH:  7f5350cb3908 _dl_add_to_namespace_list+0x18 => 7f5350cbb080 rtld_mutex_dummy+0x0
     sleep 20444 [003]  7939.510243:  1  branches:uH:  7f5350cc8350 dl_main+0xa50 => 0 [unknown]
     sleep 20444 [003]  7939.510244:  1  branches:uH:  7f5350cc83ca dl_main+0xaca => 7f5350caeb60 _dl_process_pt_gnu_property+0x0
     sleep 20444 [003]  7939.510245:  1  branches:uH:  7f5350caeb60 _dl_process_pt_gnu_property+0x0 => 0 [unknown]
     sleep 20444  7939.510245:       10 tlb_flush.stlb_any/aux-sample-size=8192/pp: 0 7f5350caeb60 _dl_process_pt_gnu_property+0x0
     sleep 20444 [003]  7939.510254:  1  branches:uH:  7f5350cc87fe dl_main+0xefe => 7f5350ccd240 strcmp+0x0
     sleep 20444 [003]  7939.510254:  1  branches:uH:  7f5350cc8862 dl_main+0xf62 => 0 [unknown]

 - Add a check for the above use case in 'perf test test_intel_pt'

 - Fix build with refcount checking on arm64, it was still accessing
   fields that need to be wrapped so that the refcounted struct gets
   checked

 - Fix contextid validation in ARM's CS-ETM, so that older kernels
   without that field can still be supported

 - Skip unsupported aggregation for stat events found in perf.data files
   in 'perf script'

 - Add stat test for record and script to check the previous problem

 - Remove needless debuginfod queries from 'perf test java symbol', this
   was just making the test take a long time to complete

 - Address python SafeConfigParser() deprecation warning in 'perf test
   attr'

 - Fix __NR_execve undeclared on i386 'perf bench syscall' build error

* tag 'perf-tools-fixes-for-v6.4-1-2023-05-20' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (33 commits)
  perf bench syscall: Fix __NR_execve undeclared build error
  perf test attr: Fix python SafeConfigParser() deprecation warning
  perf test attr: Update no event/metric expectations
  tools headers disabled-features: Sync with the kernel sources
  tools headers UAPI: Sync arch prctl headers with the kernel sources
  tools headers: Update the copy of x86's mem{cpy,set}_64.S used in 'perf bench'
  tools headers x86 cpufeatures: Sync with the kernel sources
  tools headers UAPI: Sync s390 syscall table file that wires up the memfd_secret syscall
  tools headers UAPI: Sync linux/prctl.h with the kernel sources
  perf metrics: Avoid segv with --topdown for metrics without a group
  perf lock contention: Add empty 'struct rq' to satisfy libbpf 'runqueue' type verification
  perf cs-etm: Fix contextid validation
  perf arm64: Fix build with refcount checking
  perf test: Add stat test for record and script
  perf script: Skip aggregation for stat events
  perf build: Add system include paths to BPF builds
  perf bpf skels: Make vmlinux.h use bpf.h and perf_event.h in source directory
  perf parse-events: Do not break up AUX event group
  perf test test_intel_pt.sh: Test sample mode with event with PMU name
  perf evsel: Modify group pmu name for software events
  ...

Pull powerpc fixes from Michael Ellerman:

 - Fix broken soft dirty tracking when using the Radix MMU (>= P9)

 - Fix ISA mapping when "ranges" property is not present, for PASemi
   Nemo boards

 - Fix a possible WARN_ON_ONCE hitting in BPF extable handling

 - Fix incorrect DMA address handling when using 2MB TCEs

 - Fix a bug in IOMMU table handling for SR-IOV devices

 - Fix the recent rework of IOMMU handling which left arch code calling
   clean up routines that are handled by the IOMMU core

 - A few assorted build fixes

Thanks to Christian Zigotzky, Dan Horák, Gaurav Batra, Hari Bathini,
Jason Gunthorpe, Nathan Chancellor, Naveen N. Rao, Nicholas Piggin, Pali
Rohár, Randy Dunlap, and Rob Herring.

* tag 'powerpc-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/iommu: Incorrect DDW Table is referenced for SR-IOV device
  powerpc/iommu: DMA address offset is incorrectly calculated with 2MB TCEs
  powerpc/iommu: Remove iommu_del_device()
  powerpc/crypto: Fix aes-gcm-p10 build when VSX=n
  powerpc/bpf: populate extable entries only during the last pass
  powerpc/boot: Disable power10 features after BOOTAFLAGS assignment
  powerpc/64s/radix: Fix soft dirty tracking
  powerpc/fsl_uli1575: fix kconfig warnings and build errors
  powerpc/isa-bridge: Fix ISA mapping when "ranges" is not present

Pull ata fix from Damien Le Moal:

 - Fix DT binding for the ahci-ceva driver to fully describe all iommus,
   from Michal

* tag 'ata-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
  dt-bindings: ata: ahci-ceva: Cover all 4 iommus entries

Pull fbdev fixes from Helge Deller:
 "A few small unspectacular fbdev fixes:

   - Fix for USB endpoint check in udlfb (found by syzbot fuzzer)

   - Small fix in error code path in omapfb

   - compiler warning fixes in fbmem & i810

   - code removal and whitespace cleanups in stifb and atyfb"

* tag 'fbdev-for-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  fbdev: stifb: Whitespace cleanups
  fbdev: udlfb: Use usb_control_msg_send()
  fbdev: udlfb: Fix endpoint check
  fbdev: atyfb: Remove unused clock determination
  fbdev: i810: include i810_main.h in i810_dvt.c
  fbdev: fbmem: mark get_fb_unmapped_area() static
  fbdev: omapfb: panel-tpo-td043mtea1: fix error code in probe()

Pull ksmbd server fixes from Steve French:

 - two fixes for incorrect SMB3 message validation (one for client which
   uses 8 byte padding, and one for empty bcc)

 - two fixes for out of bounds bugs: one for username offset checks (in
   session setup) and the other for create context name length checks in
   open requests

* tag '6.4-rc2-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
  ksmbd: smb2: Allow messages padded to 8byte boundary
  ksmbd: allocate one more byte for implied bcc[0]
  ksmbd: fix wrong UserName check in session_user
  ksmbd: fix global-out-of-bounds in smb2_find_context_vals

Pull cifs client fixes from Steve French:
 "Two smb3 client fixes, both related to deferred close, and also for
  stable:

   - send close for deferred handles before not after lease break
     response to avoid possible sharing violations

   - check all opens on an inode (looking for deferred handles) when
     lease break is returned not just the handle the lease break came in
     on"

* tag '6.4-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  SMB3: drop reference to cfile before sending oplock break
  SMB3: Close all deferred handles of inode in case of handle lease break

Add MSR_IA32_TSX_CTRL into msrs_to_save[] to explicitly tell userspace to
save/restore the register value during migration. Missing this may cause
userspace that relies on KVM ioctl(KVM_GET_MSR_INDEX_LIST) fail to port the
value to the target VM.

In addition, there is no need to add MSR_IA32_TSX_CTRL when
ARCH_CAP_TSX_CTRL_MSR is not supported in kvm_get_arch_capabilities(). So
add the checking in kvm_probe_msr_to_save().

Fixes: c11f83e0 ("KVM: vmx: implement MSR_IA32_TSX_CTRL disable RTM functionality")
Reported-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Mingwei Zhang <mizhang@google.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Message-Id: <20230509032348.1153070-1-mizhang@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Drop KVM's manipulation of guest's CPUID.0x12.1 ECX and EDX, i.e. the
allowed XFRM of SGX enclaves, now that KVM explicitly checks the guest's
allowed XCR0 when emulating ECREATE.

Note, this could theoretically break a setup where userspace advertises
a "bad" XFRM and relies on KVM to provide a sane CPUID model, but QEMU
is the only known user of KVM SGX, and QEMU explicitly sets the SGX CPUID
XFRM subleaf based on the guest's XCR0.
Reviewed-by: Kai Huang <kai.huang@intel.com>
Tested-by: Kai Huang <kai.huang@intel.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230503160838.3412617-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Explicitly check the vCPU's supported XCR0 when determining whether or not
the XFRM for ECREATE is valid.  Checking CPUID works because KVM updates
guest CPUID.0x12.1 to restrict the leaf to a subset of the guest's allowed
XCR0, but that is rather subtle and KVM should not modify guest CPUID
except for modeling true runtime behavior (allowed XFRM is most definitely
not "runtime" behavior).
Reviewed-by: Kai Huang <kai.huang@intel.com>
Tested-by: Kai Huang <kai.huang@intel.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230503160838.3412617-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Missed whitespace cleanups in stifb.

Fixes: 80004257 ("fbdev: stifb: Remove trailing whitespaces")
Signed-off-by: Helge Deller <deller@gmx.de>

Use the newly introduced usb_control_msg_send() instead of usb_control_msg()
when selecting the channel.
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Helge Deller <deller@gmx.de>