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lib: math: polynomial: remove link to non-exist file and fix spelling

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The Baikal SoC and platform support was dropped from the kernel, remove
the reference to non-exist file.  While at it, fix spelling.

Link: https://lkml.kernel.org/r/20260302092831.2267785-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Andy Shevchenko 2026-03-02 10:28:09 +01:00 committed by Andrew Morton
parent 512e19a82b
commit 118d86a324
1 changed files with 8 additions and 12 deletions
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20
lib/math/polynomial.c
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@ -16,16 +16,13 @@
#include <linux/polynomial.h>
/*
* Originally this was part of drivers/hwmon/bt1-pvt.c.
* There the following conversion is used and should serve as an example here:
* The following conversion is an example:
*
* The original translation formulae of the temperature (in degrees of Celsius)
* to PVT data and vice-versa are following:
*
* N = 1.8322e-8*(T^4) + 2.343e-5*(T^3) + 8.7018e-3*(T^2) + 3.9269*(T^1) +
* 1.7204e2
* T = -1.6743e-11*(N^4) + 8.1542e-8*(N^3) + -1.8201e-4*(N^2) +
* 3.1020e-1*(N^1) - 4.838e1
* N = 1.8322e-8*(T^4) + 2.343e-5*(T^3) + 8.7018e-3*(T^2) + 3.9269*(T^1) + 1.7204e2
* T = -1.6743e-11*(N^4) + 8.1542e-8*(N^3) + -1.8201e-4*(N^2) + 3.1020e-1*(N^1) - 4.838e1
*
* where T = [-48.380, 147.438]C and N = [0, 1023].
*
@ -36,10 +33,9 @@
* formulae to accept millidegrees of Celsius. Here what they look like after
* the alterations:
*
* N = (18322e-20*(T^4) + 2343e-13*(T^3) + 87018e-9*(T^2) + 39269e-3*T +
* 17204e2) / 1e4
* T = -16743e-12*(D^4) + 81542e-9*(D^3) - 182010e-6*(D^2) + 310200e-3*D -
* 48380
* N = (18322e-20*(T^4) + 2343e-13*(T^3) + 87018e-9*(T^2) + 39269e-3*T + 17204e2) / 1e4
* T = -16743e-12*(D^4) + 81542e-9*(D^3) - 182010e-6*(D^2) + 310200e-3*D - 48380
*
* where T = [-48380, 147438] mC and N = [0, 1023].
*
* static const struct polynomial poly_temp_to_N = {
@ -69,13 +65,13 @@
* polynomial_calc - calculate a polynomial using integer arithmetic
*
* @poly: pointer to the descriptor of the polynomial
* @data: input value of the polynimal
* @data: input value of the polynomial
*
* Calculate the result of a polynomial using only integer arithmetic. For
* this to work without too much loss of precision the coefficients has to
* be altered. This is called factor redistribution.
*
* Returns the result of the polynomial calculation.
* Return: the result of the polynomial calculation.
*/
long polynomial_calc(const struct polynomial *poly, long data)
{