Re: [PATCH v3 1/7] mfd: syscon: Add reference counting and device managed support
From: Markus Elfring <hidden>
Date: 2024-07-11 16:10:15
Also in:
linux-arm-kernel, linux-devicetree, linux-pci, lkml
…
quoted hunk ↗ jump to hunk
+++ b/drivers/mfd/syscon.c
…
+static struct syscon *syscon_from_regmap(struct regmap *regmap)
+{+ struct syscon *entry, *syscon = NULL; + + spin_lock(&syscon_list_slock); + + list_for_each_entry(entry, &syscon_list, list)
…
+ spin_unlock(&syscon_list_slock); + + return syscon; +}
… Under which circumstances would you become interested to apply a statement like “guard(spinlock)(&syscon_list_slock);”? https://elixir.bootlin.com/linux/v6.10-rc7/source/include/linux/spinlock.h#L561 Regards, Markus