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authorArnd Bergmann <arnd@arndb.de>2022-04-07 13:57:30 +0200
committerArnd Bergmann <arnd@arndb.de>2022-04-07 13:57:30 +0200
commitbc22bb224b3c1cbea868c3efa5466014b6a29d59 (patch)
treed02b63e2ab18a9d2050fba4a344d87608381a861 /arch/arm
parentf455742ae2caf270a4b874f7f1dd86e56c5eeb95 (diff)
parent42a997f0bde1da0cce14a4768bb190b5030513eb (diff)
downloadlinux-bc22bb224b3c1cbea868c3efa5466014b6a29d59.tar.bz2
Merge tag 'vexpress-fixes-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
ARM Vexpress fixes for 5.18 Couple of fixes to address negative array index access and kernel-doc build warnings. * tag 'vexpress-fixes-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: ARM: vexpress/spc: Fix all the kernel-doc build warnings ARM: vexpress/spc: Fix kernel-doc build warning for ve_spc_cpu_in_wfi ARM: vexpress/spc: Avoid negative array index when !SMP Link: https://lore.kernel.org/r/20220407110828.1436206-1-sudeep.holla@arm.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-vexpress/spc.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/arch/arm/mach-vexpress/spc.c b/arch/arm/mach-vexpress/spc.c
index 1da11bdb1dfb..6e6985e756af 100644
--- a/arch/arm/mach-vexpress/spc.c
+++ b/arch/arm/mach-vexpress/spc.c
@@ -122,13 +122,13 @@ static inline bool cluster_is_a15(u32 cluster)
}
/**
- * ve_spc_global_wakeup_irq()
+ * ve_spc_global_wakeup_irq() - sets/clears global wakeup IRQs
+ *
+ * @set: if true, global wake-up IRQs are set, if false they are cleared
*
* Function to set/clear global wakeup IRQs. Not protected by locking since
* it might be used in code paths where normal cacheable locks are not
* working. Locking must be provided by the caller to ensure atomicity.
- *
- * @set: if true, global wake-up IRQs are set, if false they are cleared
*/
void ve_spc_global_wakeup_irq(bool set)
{
@@ -145,15 +145,15 @@ void ve_spc_global_wakeup_irq(bool set)
}
/**
- * ve_spc_cpu_wakeup_irq()
- *
- * Function to set/clear per-CPU wake-up IRQs. Not protected by locking since
- * it might be used in code paths where normal cacheable locks are not
- * working. Locking must be provided by the caller to ensure atomicity.
+ * ve_spc_cpu_wakeup_irq() - sets/clears per-CPU wake-up IRQs
*
* @cluster: mpidr[15:8] bitfield describing cluster affinity level
* @cpu: mpidr[7:0] bitfield describing cpu affinity level
* @set: if true, wake-up IRQs are set, if false they are cleared
+ *
+ * Function to set/clear per-CPU wake-up IRQs. Not protected by locking since
+ * it might be used in code paths where normal cacheable locks are not
+ * working. Locking must be provided by the caller to ensure atomicity.
*/
void ve_spc_cpu_wakeup_irq(u32 cluster, u32 cpu, bool set)
{
@@ -200,14 +200,14 @@ void ve_spc_set_resume_addr(u32 cluster, u32 cpu, u32 addr)
}
/**
- * ve_spc_powerdown()
+ * ve_spc_powerdown() - enables/disables cluster powerdown
+ *
+ * @cluster: mpidr[15:8] bitfield describing cluster affinity level
+ * @enable: if true enables powerdown, if false disables it
*
* Function to enable/disable cluster powerdown. Not protected by locking
* since it might be used in code paths where normal cacheable locks are not
* working. Locking must be provided by the caller to ensure atomicity.
- *
- * @cluster: mpidr[15:8] bitfield describing cluster affinity level
- * @enable: if true enables powerdown, if false disables it
*/
void ve_spc_powerdown(u32 cluster, bool enable)
{
@@ -228,7 +228,7 @@ static u32 standbywfi_cpu_mask(u32 cpu, u32 cluster)
}
/**
- * ve_spc_cpu_in_wfi(u32 cpu, u32 cluster)
+ * ve_spc_cpu_in_wfi() - Checks if the specified CPU is in WFI or not
*
* @cpu: mpidr[7:0] bitfield describing CPU affinity level within cluster
* @cluster: mpidr[15:8] bitfield describing cluster affinity level
@@ -580,7 +580,7 @@ static int __init ve_spc_clk_init(void)
}
cluster = topology_physical_package_id(cpu_dev->id);
- if (init_opp_table[cluster])
+ if (cluster < 0 || init_opp_table[cluster])
continue;
if (ve_init_opp_table(cpu_dev))