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PSCI: Rework generic code to conform to coding guidelines
This patch reworks the PSCI generic implementation to conform to ARM
Trusted Firmware coding guidelines as described here:
https://github.com/ARM-software/arm-trusted-firmware/wiki

This patch also reviews the use of signed data types within PSCI
Generic code and replaces them with their unsigned counterparts wherever
they are not appropriate. The PSCI_INVALID_DATA macro which was defined
to -1 is now replaced with PSCI_INVALID_PWR_LVL macro which is defined
to PLAT_MAX_PWR_LVL + 1.

Change-Id: Iaea422d0e46fc314e0b173c2b4c16e0d56b2515a
WIP_v2.3-LS master v2.2-LS v2.4-LS v2.3-rc2 v2.3-rc1 v2.3-rc0 v2.3 v2.2-rc2 v2.2-rc1 v2.2-rc0 v2.2 v2.1-rc1 v2.1-rc0 v2.1 v2.0-rc0 v2.0 v1.6-rc1 v1.6-rc0 v1.6 v1.5-rc3 v1.5-rc2 v1.5-rc1 v1.5-rc0 v1.5 v1.4-rc0 v1.4 v1.3_rc2 v1.3_rc1 v1.3-rc0 v1.3 v1.2-rc0 v1.2
1 parent 58523c0 commit 9d070b9928b874700395ca48780ce2c88b70e588
@Soby Mathew Soby Mathew authored on 29 Jul 2015
Achin Gupta committed on 13 Aug 2015
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include/bl31/services/psci.h
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include/bl31/services/psci_compat.h
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services/std_svc/psci/psci_common.c
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services/std_svc/psci/psci_helpers.S
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services/std_svc/psci/psci_main.c
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services/std_svc/psci/psci_off.c
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services/std_svc/psci/psci_on.c
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services/std_svc/psci/psci_private.h
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services/std_svc/psci/psci_setup.c
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services/std_svc/psci/psci_suspend.c