This patch adds check to bail out if device is already down when checking
for Tx hang subtask.
Change-ID: I3853fb7a6d11cb9a4c349b687cb25c15b19977a0
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Add parens to make sure the shift and bitwise precedences don't work backwards
for us.
Change-ID: I60c10ef4fad6bc654522b9d8a53da2e270a0f268
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The patch fixes a leak of 'cmd_buf' when copy_from_user() failed
in i40e_dbg_command_write().
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
I have been signing off on patches with this address so I'll change it.
Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The PHY requires different settings for the Decision Feedback Analyzer
(DFE) when running in KX mode vs. KR mode. Update the code to change
these settings when changing modes in order to provide a more stable
link.
Additionally, adjust the 10GbE PQ skew default setting to a more sane
value.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We were enabling DP secondary streams even if the monitor
didn't support them. Fixes display problems on some DP
monitors.
Tested-by: Jim Boz <jim876@xs4all.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The atom aux param interface only supports 4 bits for
the total write transfer size (header + payload). This
limits us to 12 bytes of payload rather than 16. Add a
check for this. Reads are not affected.
v2: switch to WARN_ON_ONCE
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The logic was reversed from what the hw actually exposed.
Fixes graphics corruption in certain harvest configurations.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Dump the whole IB if we run into an invalid packet.
This makes things much easier to debug.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=89148
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Commit b7bc596ebb ("drm/radeon: disable native
backlight control on pre-r6xx asics (v2)") accidently
broke backlight control on old mac laptops that use the
on-GPU backlight controller.
Signed-off-by: Nathan-J. Hirschauer <nathanhi@deepserve.info>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
The recent build changes cause perf to not compile for sparc64 since the
arch/sparc64/Build file does not exist:
/home/dahern/kernels/linux.git/tools/build/Makefile.build:40: arch/sparc64/Build: No such file or directory
Fix by converting the sparc64 RAW_ARCH to sparc ARCH -- similar to what
is done for x86_64.
Signed-off-by: David Ahern <david.ahern@oracle.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1424306222-96843-1-git-send-email-david.ahern@oracle.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
4886f2ca19 added an arm-64 check, but the EM_AARCH64 macro is not
defined in older releases (e.g., RHEL6). Define if it is not defined.
Signed-off-by: David Ahern <david.ahern@oracle.com>
Cc: Victor Kamensky <victor.kamensky@linaro.org>
Link: http://lkml.kernel.org/r/1424306017-96797-1-git-send-email-david.ahern@oracle.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf-top is terminating due to SIGBUS on sparc64. git bisect points to:
commit 8239698603
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Mon Sep 8 13:26:35 2014 -0300
perf evlist: Refcount mmaps
We need to know how many fds are using a perf mmap via
PERF_EVENT_IOC_SET_OUTPUT, so that we can know when to ditch an mmap,
refcount it.
This commit added 'int refcnt' to struct perf_mmap and the addition makes the
event_copy element no longer 8-byte aligned.
Fix by adding __attribute__((aligned(8))) to the event_copy struct
member.
Signed-off-by: David Ahern <david.ahern@oracle.com>
Link: http://lkml.kernel.org/r/1424304198-92028-1-git-send-email-david.ahern@oracle.com
[ Switched from 'int pad;' to using __attribute__, David tested/acked that ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Commit f6edb53c49 converted the probe to
a CPU wide event first (pid == -1). For kernels that do not support
the PERF_FLAG_FD_CLOEXEC flag the probe fails with EINVAL. Since this
errno is not handled pid is not reset to 0 and the subsequent use of
pid = -1 as an argument brings in an additional failure path if
perf_event_paranoid > 0:
$ perf record -- sleep 1
perf_event_open(..., 0) failed unexpectedly with error 13 (Permission denied)
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.007 MB /tmp/perf.data (11 samples) ]
Also, ensure the fd of the confirmation check is closed and comment why
pid = -1 is used.
Needs to go to 3.18 stable tree as well.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Based-on-patch-by: David Ahern <david.ahern@oracle.com>
Acked-by: David Ahern <david.ahern@oracle.com>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/54EC610C.8000403@intel.com
Cc: stable@vger.kernel.org # v3.18+
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
changes for this set:
- Fix wrong DMA properties for dma to avoid them getting
copied wrong again before we start actually using them
- USB fixes to revert the extcon changes as the driver did not
get merged yet and cause issues
- Omap5 and dra7 fixes to boot from sata
- Fix few am437x issues for i2c and pinctrl
- Fix beaglebone for hardwared USB configuration
- Defconfig changes for NAND, SATA and TPS62362
- Fix n900 i2c numbering for legacy user space and smc91x
register offset so it works also for qemu
- Fix incomplete USB configuration for dm816x
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Merge tag 'fixes-v4.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Fixes for various omap devices. It's all dts and defconfig
changes for this set:
- Fix wrong DMA properties for dma to avoid them getting
copied wrong again before we start actually using them
- USB fixes to revert the extcon changes as the driver did not
get merged yet and cause issues
- Omap5 and dra7 fixes to boot from sata
- Fix few am437x issues for i2c and pinctrl
- Fix beaglebone for hardwared USB configuration
- Defconfig changes for NAND, SATA and TPS62362
- Fix n900 i2c numbering for legacy user space and smc91x
register offset so it works also for qemu
- Fix incomplete USB configuration for dm816x
* tag 'fixes-v4.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am335x-bone*: usb0 is hardwired for peripheral
ARM: dts: dra7x-evm: beagle-x15: Fix USB Host
ARM: omap2plus_defconfig: Fix SATA boot
ARM: omap2plus_defconfig: Enable OMAP NAND BCH driver
ARM: dts: dra7: Correct the dma controller's property names
ARM: dts: omap5: Correct the dma controller's property names
ARM: dts: omap4: Correct the dma controller's property names
ARM: dts: omap3: Correct the dma controller's property names
ARM: dts: omap2: Correct the dma controller's property names
ARM: dts: am437x-idk: fix sleep pinctrl state
ARM: omap2plus_defconfig: enable TPS62362 regulator
ARM: dts: am437x-idk: fix TPS62362 i2c bus
ARM: dts: n900: Fix offset for smc91x ethernet
ARM: dts: n900: fix i2c bus numbering
ARM: dts: Fix USB dts configuration for dm816x
ARM: dts: OMAP5: Fix SATA PHY node
ARM: dts: DRA7: Fix SATA PHY node
Commit 5d425c1865 ("arm64: kernel: add support for cpu cache
information") adds cacheinfo support for ARM64. Since there's no
architectural way of detecting the cpus that share particular cache,
device tree can be used and the core cacheinfo already supports the
same.
This patch adds the L2 cache topology on Juno board, FVP/RTSM and
foundation models.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Feature detection for pthread_attr_setaffinity_np was failing, producing
this error:
In file included from bench/futex-hash.c:17:0:
bench/futex.h:73:19: error: conflicting types for ‘pthread_attr_setaffinity_np’
static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr,
^
In file included from bench/futex.h:72:0,
from bench/futex-hash.c:17:
/usr/include/pthread.h:407:12: note: previous declaration of ‘pthread_attr_setaffinity_np’ was here
extern int pthread_attr_setaffinity_np (pthread_attr_t *__attr,
^
make[3]: *** [bench/futex-hash.o] Error 1
make[2]: *** [bench] Error 2
make[2]: *** Waiting for unfinished jobs....
This was because compiling test-pthread-attr-setaffinity-np.c
failed due to the function arguments:
test-pthread-attr-setaffinity-np.c: In function ‘main’:
test-pthread-attr-setaffinity-np.c:11:2: warning: null argument where non-null required (argument 3) [-Wnonnull]
ret = pthread_attr_setaffinity_np(&thread_attr, 0, NULL);
^
So fix the arguments.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Stephane Eranian <eranian@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1424774766-24194-1-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The man page for pthread_attr_set_affinity_np states that _GNU_SOURCE
must be defined before pthread.h is included in order to get the proper
function declaration. Define this in the Makefile.
Without this defined, the feature check fails on a Fedora system with
gcc5 and then the perf build later fails with conflicting prototypes for
the function.
Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Link: http://lkml.kernel.org/r/20150211162404.GA15522@hansolo.redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Pull clockevents driver fixes from Daniel Lezcano:
- Fix the Kconfig to prevent the asm9260 timer to be compiled with
allyesconfig with sparc/sparc64 (Daniel Lezcano)
- Reorder the mtk driver init sequence in order to prevent a potential race
when the clock is registered before the irq handler is set (Matthias Brugger)
- Fix a section mismatch for the pxa driver (Robert Jarzmik)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
As pxa_timer_common_init() is only called in init context, mark it as
such, and quiesce the compiler warnings :
WARNING: vmlinux.o(.text.unlikely+0x45d4): Section mismatch in reference
from the function pxa_timer_common_init() to the function
.init.text:sched_clock_register()
WARNING: vmlinux.o(.text.unlikely+0x4610): Section mismatch in reference
from the function pxa_timer_common_init() to the function
.init.text:clocksource_mmio_init()
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
We have two race conditions in the probe code which could lead to a null
pointer dereference in the interrupt handler.
The interrupt handler accesses the clockevent device, which may not yet be
registered.
First race condition happens when the interrupt handler gets registered before
the interrupts get disabled. The second race condition happens when the
interrupts get enabled, but the clockevent device is not yet registered.
Fix that by disabling the interrupts before we register the interrupt and enable
the interrupts after the clockevent device got registered.
Reported-by: Gongbae Park <yongbae2@gmail.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The Kconfig options for the asm9260 timer is wrong as it can be selected by
another platform with allyes config and thus leading to a compilation failure
as some non arch related code is pulled by the compilation.
Fix this by having the platform Kconfig to select the timer as it is done for
the others drivers.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Oleksij Rempel <linux@rempel-privat.de>
Conflicts:
drivers/clocksource/Kconfig
This return 0 without setting atomic bits on fb == crtc->cursor->fb
where causing frontbuffer false positives.
According to Daniel:
The original regression seems to have been introduced in the original
check/commit split:
commit 757f9a3e5b
Author: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Date: Wed Sep 24 14:20:24 2014 -0300
drm/i915: move check of intel_crtc_cursor_set_obj() out
Which already cause other trouble, resulting in the check getting moved in
commit e391ea882b
Author: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Date: Wed Sep 24 14:20:25 2014 -0300
drm/i915: Fix not checking cursor and object sizes
The frontbuffer tracking itself only was broken when we shifted it into
the check/commit logic with:
commit 32b7eeec4d
Author: Matt Roper <matthew.d.roper@intel.com>
Date: Wed Dec 24 07:59:06 2014 -0800
drm/i915: Refactor work that can sleep out of commit (v7)
v2: When putting more debug prints I notice the solution was simpler
than I thought. AMS design is solid, just this return was wrong.
Sorry for the noise.
v3: Remove the entire chunck that would probably
be removed by gcc anyway. (by Daniel)
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This is essentially a partial revert of the commit [b1920c21102a:
'ALSA: hda - Enable runtime PM on Panther Point']. There was a bug
report showing the HD-audio bus hang during runtime PM on HP Spectre
XT.
Reported-by: Dang Sananikone <dang.sananikone@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Since __ATTR_PREALLOC was introduced in v3.19-rc1~78^2~18
it can now be used by md.
This ensure that writing to these sysfs attributes will never
block due to a memory allocation.
Such blocking could become a deadlock if mdmon is trying to
reconfigure an array after a failure prior to re-enabling writes.
Signed-off-by: NeilBrown <neilb@suse.de>
When we have more than 1 drive failure, it's possible we start
rebuild one drive while leaving another faulty drive in array.
To determine whether array will be optimal after building, current
code only check whether a drive is missing, which could potentially
lead to data corruption. This patch is to add checking Faulty flag.
Signed-off-by: NeilBrown <neilb@suse.de>
When a drive is marked write-mostly it should only be the
target of reads if there is no other option.
This behaviour was broken by
commit 9dedf60313
md/raid1: read balance chooses idlest disk for SSD
which causes a write-mostly device to be *preferred* is some cases.
Restore correct behaviour by checking and setting
best_dist_disk and best_pending_disk rather than best_disk.
We only need to test one of these as they are both changed
from -1 or >=0 at the same time.
As we leave min_pending and best_dist unchanged, any non-write-mostly
device will appear better than the write-mostly device.
Reported-by: Tomáš Hodek <tomas.hodek@volny.cz>
Reported-by: Dark Penguin <darkpenguin@yandex.ru>
Signed-off-by: NeilBrown <neilb@suse.de>
Link: http://marc.info/?l=linux-raid&m=135982797322422
Fixes: 9dedf60313
Cc: stable@vger.kernel.org (3.6+)
If the pending indexes are released /after/ pushing the Tx response
then a stale pending index may be used if a new Tx request is
immediately pushed by the frontend. The may cause various WARNINGs or
BUGs if the stale pending index is actually still in use.
Fix this by releasing the pending index before pushing the Tx
response.
The full barrier for the pending ring update is not required since the
the Tx response push already has a suitable write barrier.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before da413eec72 ("packet: Fixed TPACKET V3 to signal poll when block is
closed rather than every packet") poll listening for an af_packet socket was
not signaled if there was no packets to process. After the patch poll is
signaled evety time when block retire timer expires. That happens because
af_packet closes the current block on timeout even if the block is empty.
Passing empty blocks to the user not only wastes CPU but also wastes ring
buffer space increasing probability of packets dropping on small timeouts.
Signed-off-by: Alexander Drozdov <al.drozdov@gmail.com>
Cc: Dan Collins <dan@dcollins.co.nz>
Cc: Willem de Bruijn <willemb@google.com>
Cc: Guy Harris <guy@alum.mit.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Arrays (when not in a struct) "shall have a value greater than zero".
GCC complains when it's not the case here.
Fixes: ba7d49b1f0 ("rtnetlink: provide api for getting and setting slave info")
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 06d961a8e2 ("mac80211/minstrel: use the new rate control API")
inverted the condition 'if (msr->sample_limit != 0)' to
'if (!msr->sample_limit != 0)'. But it is confusing both to people and
compilers (gcc5):
net/mac80211/rc80211_minstrel.c: In function 'minstrel_get_rate':
net/mac80211/rc80211_minstrel.c:376:26: warning: logical not is only applied to the left hand side of comparison
if (!msr->sample_limit != 0)
^
Let there be only 'if (!msr->sample_limit)'.
Fixes: 06d961a8e2 ("mac80211/minstrel: use the new rate control API")
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Swap interrupt disable and thermal zone unregistration in the error and
remove paths, to make them more symmetrical with the initialization
path.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
As soon as the interrupt has been enabled by devm_request_irq(), the
interrupt routine may be called, depending on the current status of the
hardware.
However, at that point rcar_thermal_common hasn't been initialized
complely yet. E.g. rcar_thermal_common.base is still NULL, causing a
NULL pointer dereference:
Unable to handle kernel NULL pointer dereference at virtual address 0000000c
pgd = c0004000
[0000000c] *pgd=00000000
Internal error: Oops: 5 [#1] SMP ARM
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc7-ape6evm-04564-gb6e46cb7cbe82389 #30
Hardware name: Generic R8A73A4 (Flattened Device Tree)
task: ee8953c0 ti: ee896000 task.ti: ee896000
PC is at rcar_thermal_irq+0x1c/0xf0
LR is at _raw_spin_lock_irqsave+0x48/0x54
Postpone the call to devm_request_irq() until all initialization has
been done to fix this.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
When CONFIG_THERMAL is not enabled, it is better to introduce
equivalent dummy functions in the exported header than to
introduce #ifdeffery in drivers using the function.
This will prevent issues such as that reported in:
http://www.spinics.net/lists/linux-next/msg31573.html
While at it switch over to IS_ENABLED for thermal macros
to allow for thermal framework to be built as framework
and relevant APIs be usable by relevant drivers as a result.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Fixes: http://bugs.elinux.org/issues/127
the bb.org community was seeing random reboots before this change.
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
In commit 87517d26d8 ("ARM: dts: dra7-evm: Add extcon nodes for USB")
we enabled Extcon USB gpio to tackle the USB ID pin and get
peripheral mode to work.
But the extcon-gpio-usb driver [1] didn't make it into v4.0
and this makes the USB driver defer probe indefinitely breaking
USB Host functionality.
As a temporary fix we remove the extcon handle from the
USB controller and add it back when the extcon driver
merges in v4.1.
[1] - https://lkml.org/lkml/2015/2/2/187
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
SATA operation depends on PIPE3 PHY and if we want
to boot from SATA drives, we have to have the PIPE3 PHY
driver built-in.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
According to the Documentation/devicetree/bindings/dma/dma.txt the
dma-channels and dma-requests property should not have '#'.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
According to the Documentation/devicetree/bindings/dma/dma.txt the
dma-channels and dma-requests property should not have '#'.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
According to the Documentation/devicetree/bindings/dma/dma.txt the
dma-channels and dma-requests property should not have '#'.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
According to the Documentation/devicetree/bindings/dma/dma.txt the
dma-channels and dma-requests property should not have '#'.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
According to the Documentation/devicetree/bindings/dma/dma.txt the
dma-channels and dma-requests property should not have '#'.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Akeem G Abodunrin