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zynqmp: pm: Reverse logic for detecting that the PMU firmware is loaded 

Use positive logic (pm_up instead of pm_down) to check whether PMU
services are available. This change also puts the variable into the
BSS section rather than the Data section as the variable is now
initialized to 0 rather than 1.

Signed-off-by: Will Wong <WILLW@xilinx.com>
Signed-off-by: Stefan Krsmanovic <stefan.krsmanovic@aggios.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
This commit is contained in:
Siva Durga Prasad Paladugu 2018-04-30 19:39:49 +05:30
parent 756e7f2825
commit 3d512f0b32
1 changed files with 4 additions and 4 deletions
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8
plat/xilinx/zynqmp/pm_service/pm_svc_main.c
View File

@ -22,8 +22,8 @@
#define PM_SET_SUSPEND_MODE 0xa02
#define PM_GET_TRUSTZONE_VERSION 0xa03
/* 0 - UP, !0 - DOWN */
static int32_t pm_down = !0;
/* !0 - UP, 0 - DOWN */
static int32_t pm_up = 0;
/**
* pm_context - Structure which contains data for power management
@ -67,7 +67,7 @@ int pm_setup(void)
ret = status;
}
pm_down = status;
pm_up = !status;
return ret;
}
@ -96,7 +96,7 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
uint32_t pm_arg[4];
/* Handle case where PM wasn't initialized properly */
if (pm_down)
if (!pm_up)
SMC_RET1(handle, SMC_UNK);
pm_arg[0] = (uint32_t)x1;