Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull a hwmon fix from Guenter Roeck:
"One patch, fixing DIV_ROUND_CLOSEST to support negative dividends.
While the changes are not in the drivers/hwmon directory, the problem
primarily affects hwmon drivers, and it makes sense to push the patch
through the hwmon tree."
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
linux/kernel.h: Fix DIV_ROUND_CLOSEST to support negative dividends
+10
-2
+10
-2
include/linux/kernel.h
+10
-2
include/linux/kernel.h
···
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__x - (__x % (y)); \
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} \
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)
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+
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/*
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* Divide positive or negative dividend by positive divisor and round
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* to closest integer. Result is undefined for negative divisors.
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*/
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#define DIV_ROUND_CLOSEST(x, divisor)( \
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{ \
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-
typeof(divisor) __divisor = divisor; \
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-
(((x) + ((__divisor) / 2)) / (__divisor)); \
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typeof(x) __x = x; \
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typeof(divisor) __d = divisor; \
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(((typeof(x))-1) >= 0 || (__x) >= 0) ? \
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(((__x) + ((__d) / 2)) / (__d)) : \
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(((__x) - ((__d) / 2)) / (__d)); \
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} \
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)
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