59de6e246f
After a relatively short time, there is an multiplication overflow
when multiplying (now - buft_start) with hda_bytes_per_second().
While the uptime now - buft_start only overflows after 2**63 ns
= 292.27 years, this happens hda_bytes_per_second() times faster
with the multiplication. At 44100 samples/s * 2 channels
* 2 bytes/channel = 176400 bytes/s that is 14.52 hours. After the
multiplication overflow the affected audio stream stalls.
Replace the multiplication and following division with muldiv64()
to prevent a multiplication overflow.
Fixes:
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.. | ||
9pfs | ||
acpi | ||
adc | ||
alpha | ||
arm | ||
audio | ||
avr | ||
block | ||
char | ||
core | ||
cpu | ||
cris | ||
cxl | ||
display | ||
dma | ||
gpio | ||
hppa | ||
hyperv | ||
i2c | ||
i386 | ||
ide | ||
input | ||
intc | ||
ipack | ||
ipmi | ||
isa | ||
loongarch | ||
m68k | ||
mem | ||
microblaze | ||
mips | ||
misc | ||
net | ||
nios2 | ||
nubus | ||
nvme | ||
nvram | ||
openrisc | ||
pci | ||
pci-bridge | ||
pci-host | ||
pcmcia | ||
ppc | ||
rdma | ||
remote | ||
riscv | ||
rtc | ||
rx | ||
s390x | ||
scsi | ||
sd | ||
sensor | ||
sh4 | ||
smbios | ||
sparc | ||
sparc64 | ||
ssi | ||
timer | ||
tpm | ||
tricore | ||
usb | ||
vfio | ||
virtio | ||
watchdog | ||
xen | ||
xenpv | ||
xtensa | ||
Kconfig | ||
meson.build |