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linux/arch/arm64
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Andy Gross bec9918bb4 firmware: qcom: scm: Fix interrupted SCM calls 
[ Upstream commit 82bcd08702 ]

This patch adds a Qualcomm specific quirk to the arm_smccc_smc call.

On Qualcomm ARM64 platforms, the SMC call can return before it has
completed.  If this occurs, the call can be restarted, but it requires
using the returned session ID value from the interrupted SMC call.

The quirk stores off the session ID from the interrupted call in the
quirk structure so that it can be used by the caller.

This patch folds in a fix given by Sricharan R:
https://lkml.org/lkml/2016/9/28/272

Signed-off-by: Andy Gross <andy.gross@linaro.org>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2017-04-12 12:41:21 +02:00
..
boot arm64: dts: hisi: fix hip06 sas am-max-trans quirk 2017-04-12 12:41:16 +02:00
configs ZTE arm64 defconfig updates for 4.9: 2016-09-19 22:35:21 +02:00
crypto crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes 2017-02-09 08:08:26 +01:00
include arm/arm64: KVM: Enforce unconditional flush to PoC when mapping to stage-2 2017-03-12 06:41:47 +01:00
kernel firmware: qcom: scm: Fix interrupted SCM calls 2017-04-12 12:41:21 +02:00
kvm arm64: KVM: VHE: Clear HCR_TGE when invalidating guest TLBs 2017-03-22 12:43:39 +01:00
lib Merge branch 'work.uaccess' into for-linus 2016-10-14 20:42:44 -04:00
mm arm64: mm: unaligned access by user-land should be received as SIGBUS 2017-04-12 12:41:11 +02:00
net arm64: bpf: optimize LD_ABS, LD_IND 2016-06-10 23:11:50 -07:00
xen arm/xen: add support for vm_assist hypercall 2016-07-06 10:42:14 +01:00
Kconfig irqchip/gicv3-its: Add workaround for QDF2400 ITS erratum 0065 2017-03-22 12:43:39 +01:00
Kconfig.debug arm64: always enable DEBUG_RODATA and remove the Kconfig option 2016-08-26 10:13:41 +01:00
Kconfig.platforms arm64: uniphier: select ARCH_HAS_RESET_CONTROLLER 2016-10-22 18:25:52 +09:00
Makefile arm64: kernel: force ET_DYN ELF type for CONFIG_RELOCATABLE=y 2016-10-20 11:37:25 +01:00