Re: [PATCH v4 4/4] media: platform: synopsys: Add support for hdmi input driver
flat view
From: Markus Elfring <hidden>
Date: 2024-07-21 15:07:12
Also in:
linux-devicetree, linux-media, linux-rockchip, lkml
…
quoted hunk
+++ b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c@@ -0,0 +1,2763 @@
…
+static void hdmirx_writel(struct snps_hdmirx_dev *hdmirx_dev, int reg, u32 val)
+{…
quoted hunk
+ spin_lock_irqsave(&hdmirx_dev->rst_lock, lock_flags); + writel(val, hdmirx_dev->regs + reg); + spin_unlock_irqrestore(&hdmirx_dev->rst_lock, lock_flags); +}
… Under which circumstances would you become interested to apply a statement like “guard(spinlock_irqsave)(&hdmirx_dev->rst_lock);”? https://elixir.bootlin.com/linux/v6.10/source/include/linux/spinlock.h#L574 Regards, Markus