AuxXxilium/linux_dsm_epyc7002
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801f33be8e
linux_dsm_epyc7002/drivers
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Lorenzo Pieralisi 801f33be8e drivers: cci: add missing CCI port availability firmware check 
The CCI ports programming interface is available to the kernel
only when booted in secure mode (or when firmware enables
non-secure access to override CCI ports control). In both cases,
firmware reports the CCI ports availability through the device
tree CCI ports nodes, which must be parsed and their status checked
by the kernel probing path.

This check is currently missing and may cause the kernel to
erroneously believe it is free to take control of CCI ports
where in practice CCI ports control is forbidden.

Add the missing CCI port availability check to the CCI driver
in order to guarantee sane CCI usage.

Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2016-10-17 14:27:54 +01:00
..
accessibility
acpi More ACPI updates for v4.9-rc1 2016-10-14 12:50:05 -07:00
amba
android
ata ahci: qoriq: Revert "ahci: qoriq: Disable NCQ on ls2080a SoC" 2016-09-30 10:28:51 +02:00
atm
auxdisplay auxdisplay: img-ascii-lcd: driver for simple ASCII LCD displays 2016-10-06 17:03:41 +02:00
base memory-hotplug: fix store_mem_state() return value 2016-10-07 18:46:28 -07:00
bcma
block kthread: kthread worker API cleanup 2016-10-11 15:06:33 -07:00
bluetooth Bluetooth: btusb: Fix atheros firmware download error 2016-10-07 09:46:56 +02:00
bus drivers: cci: add missing CCI port availability firmware check 2016-10-17 14:27:54 +01:00
cdrom
char This adds a new gcc plugin named "latent_entropy". It is designed to 2016-10-15 10:03:15 -07:00
clk ARM: SoC: late DT updates for v4.9 2016-10-07 21:34:49 -07:00
clocksource ARM: SoC driver updates for v4.9 2016-10-07 21:23:40 -07:00
connector
cpufreq More power management updates for v4.9-rc1 2016-10-14 12:46:13 -07:00
cpuidle Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-10-15 09:26:12 -07:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2016-10-10 14:04:16 -07:00
dax Merge branch 'for-4.9/dax' into libnvdimm-for-next 2016-10-07 16:46:30 -07:00
dca
devfreq PM / devfreq: Skip status update on uninitialized previous_freq 2016-10-11 00:01:20 +02:00
dio
dma dmaengine updates for 4.8-rc1 2016-10-06 17:13:54 -07:00
dma-buf Merge tag 'drm-for-v4.9' of git://people.freedesktop.org/~airlied/linux 2016-10-11 18:12:22 -07:00
edac * Altera Arria10 enablement of NAND, DMA, USB, QSPI and SD-MMC FIFO 2016-10-04 12:06:26 -07:00
eisa
extcon
firewire
firmware ARM: SoC driver updates for v4.9 2016-10-07 21:23:40 -07:00
fmc
fpga
gpio gpio: pca953x: add a comment explaining the need for a lockdep subclass 2016-10-11 23:17:08 +02:00
gpu Merge tag 'drm-for-v4.9' of git://people.freedesktop.org/~airlied/linux 2016-10-11 18:12:22 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2016-10-07 11:58:38 -07:00
hsi
hv Drivers: hv: get rid of id in struct vmbus_channel 2016-09-27 12:35:49 +02:00
hwmon hwmon updates for v4.9 2016-10-04 10:56:14 -07:00
hwspinlock
hwtracing
i2c i2c: 'i2c-bus' node support for v4.8-rc1 2016-10-11 23:37:26 +02:00
ide
idle nmi_backtrace: generate one-line reports for idle cpus 2016-10-07 18:46:30 -07:00
iio Staging/IIO patches for 4.9-rc1 2016-10-05 14:50:51 -07:00
infiniband Merge of the qedr RoCE driver 2016-10-14 13:43:08 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2016-10-14 13:19:30 -07:00
iommu IOMMU Updates for Linux v4.9 2016-10-11 12:52:41 -07:00
ipack
irqchip Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-10-15 09:26:12 -07:00
isdn
leds
lguest
lightnvm Merge branch 'for-4.9/block' of git://git.kernel.dk/linux-block 2016-10-07 14:42:05 -07:00
macintosh
mailbox Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration 2016-10-06 17:36:53 -07:00
mcb mcb: Add a dma_device to mcb_device 2016-09-27 12:33:47 +02:00
md kthread: kthread worker API cleanup 2016-10-11 15:06:33 -07:00
media linux-kselftest-4.9-rc1-update 2016-10-14 15:17:12 -07:00
memory ARM: SoC driver updates for v4.9 2016-10-07 21:23:40 -07:00
memstick
message
mfd - Core Frameworks 2016-10-07 08:35:35 -07:00
misc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
mmc USB/PHY/EXTCON patches for 4.9-rc1 2016-10-03 20:17:35 -07:00
mtd Merge branch 'akpm' (patches from Andrew) 2016-10-11 17:34:10 -07:00
net Merge of the qedr RoCE driver 2016-10-14 13:43:08 -07:00
nfc
ntb
nubus
nvdimm Merge branch 'for-4.9/dax' into libnvdimm-for-next 2016-10-07 16:46:30 -07:00
nvme nvme: use the DMA_ATTR_NO_WARN attribute 2016-10-11 15:06:32 -07:00
nvmem ARM: SoC driver updates for v4.9 2016-10-07 21:23:40 -07:00
of Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-10-15 09:26:12 -07:00
oprofile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
parisc
parport
pci PCI changes for the v4.9 merge window: 2016-10-13 17:08:58 -07:00
pcmcia
perf ARM: SoC driver updates for v4.9 2016-10-07 21:23:40 -07:00
phy
pinctrl ARM: SoC driver updates for v4.9 2016-10-07 21:23:40 -07:00
platform platform-drivers-x86 for 4.9-1 2016-10-13 16:52:39 -07:00
pnp
power power supply and reset changes for the v4.9 series 2016-10-06 18:21:15 -07:00
powercap
pps pps: kc: fix non-tickless system config dependency 2016-10-11 15:06:32 -07:00
ps3
ptp drivers/ptp: Fix kernel memory disclosure 2016-10-13 10:20:06 -04:00
pwm
rapidio rapidio/rio_cm: use memdup_user() instead of duplicating code 2016-10-11 15:06:32 -07:00
ras
regulator Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2016-10-12 11:05:23 -07:00
remoteproc rpmsg updates for v4.9 2016-10-06 17:03:49 -07:00
reset
rpmsg
rtc RTC for 4.9 2016-10-14 13:13:44 -07:00
s390 SCSI misc on 20161006 2016-10-07 09:28:53 -07:00
sbus
scsi SCSI misc on 20161014 2016-10-14 11:37:50 -07:00
sfi
sh
sn
soc powerpc updates for 4.9 #2 2016-10-14 11:07:42 -07:00
spi kthread: kthread worker API cleanup 2016-10-11 15:06:33 -07:00
spmi spmi: pmic-arb: Return an error code if sanity check fails 2016-09-27 12:43:34 +02:00
ssb
staging Merge branch 'akpm' (patches from Andrew) 2016-10-11 17:34:10 -07:00
target
tc
thermal Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2016-10-12 11:05:23 -07:00
thunderbolt
tty kthread: kthread worker API cleanup 2016-10-11 15:06:33 -07:00
uio
usb Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-10-15 09:26:12 -07:00
uwb
vfio vfio_pci: use pci_alloc_irq_vectors 2016-09-29 13:36:38 -06:00
vhost
video Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-10-15 09:26:12 -07:00
virt
virtio
vlynq
vme vme: fake: remove unexpected unlock in fake_master_set() 2016-09-27 12:43:35 +02:00
w1
watchdog Merge git://www.linux-watchdog.org/linux-watchdog 2016-10-13 16:44:20 -07:00
xen xen: features and fixes for 4.9-rc0 2016-10-06 11:19:10 -07:00
zorro
Kconfig
Makefile