media: atomisp: reduce debug printk rate when IRQs are received

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Currently, when an EOF IRQ is received, it generates two messages:

	[   59.191893] atomisp-isp2 0000:00:03.0: irq:0x200000
	[   59.191913] atomisp-isp2 0000:00:03.0: atomisp_isr EOF exp_id 142, asd 0

Flooding the dmesg with lots of messages per second. The same
pattern happens for all other IRQs.

Change the logic for printing just one message per IRQ and
rate-limit those, as, for debugging purposes, it is usually
interesting to know that IRQs are being received, but not
displaying every single one.

Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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This commit is contained in:

Mauro Carvalho Chehab 2020-05-21 09:05:11 +02:00

parent 8ef6b8a67b

commit aaebb65476

1 changed files with 16 additions and 7 deletions

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drivers/staging/media/atomisp/pci/atomisp_cmd.c

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