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e08dc44162
freebsd-dev/sys/arm
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Andriy Gapon e08dc44162 aw_pwm: add a check and some comments related to long periods 
The hardware supports periods as long as 196 seconds[*] when using the
maximal prescaling of 72000 and maximum cycle count of 2^16.

But the code becomes incorrect when the period length approaches 1 second.
That's because of things like NS_PER_SEC / period.

[*] At the same time I must note that the KPI provides for maximum
period of about 4 seconds (2^32 nanoseconds).

MFC after:	2 weeks
2020-09-25 07:41:51 +00:00
..
allwinner aw_pwm: add a check and some comments related to long periods 2020-09-25 07:41:51 +00:00
altera/socfpga arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
amlogic/aml8726 arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
annapurna/alpine arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
arm Sparsify the vm_page_dump bitmap 2020-09-21 22:21:59 +00:00
broadcom/bcm2835 bcm2838_pci.c: Respect DMA limits of controller. 2020-09-12 23:49:43 +00:00
cloudabi32 Use uintptr_t instead of register_t * for the stack base. 2019-12-03 23:17:54 +00:00
conf Switch from SCTP to SCTP_SUPPORT in GENERIC configs. 2020-07-16 15:09:04 +00:00
freescale arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
include Add a vmparam.h constant indicating pmap support for large pages. 2020-09-23 19:34:21 +00:00
linux arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
mv arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
nvidia arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
qemu arm: Add kern_clocksource.c directly in files.arm 2019-04-16 20:04:22 +00:00
rockchip arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
samsung/exynos arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
ti arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
versatile arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00
xilinx arm: clean up empty lines in .c and .h files 2020-09-01 21:17:24 +00:00