Re: [PATCH v7 2/3] firmware: add Exynos ACPM protocol driver
From: Markus Elfring <hidden>
Date: 2025-02-08 15:31:34
Also in:
linux-arm-kernel, linux-samsung-soc, lkml
…
quoted hunk ↗ jump to hunk
+++ b/drivers/firmware/samsung/exynos-acpm.c@@ -0,0 +1,771 @@
…
+static int acpm_dequeue_by_polling(struct acpm_chan *achan,
+ const struct acpm_xfer *xfer)
+{…
+ do {
+ mutex_lock(&achan->rx_lock);
+ ret = acpm_get_rx(achan, xfer);
+ mutex_unlock(&achan->rx_lock);… Under which circumstances would you become interested to apply a statement like “guard(mutex)(&achan->rx_lock);”? https://elixir.bootlin.com/linux/v6.13.1/source/include/linux/mutex.h#L201 Regards, Markus