From: Andy Shevchenko Date: Mon, 2 Mar 2026 09:28:09 +0000 (+0100) Subject: lib: math: polynomial: remove link to non-exist file and fix spelling X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=118d86a32422c30861f75835ebb926289fc71941;p=thirdparty%2Fkernel%2Fstable.git lib: math: polynomial: remove link to non-exist file and fix spelling 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 Reviewed-by: Randy Dunlap Reviewed-by: Kuan-Wei Chiu Signed-off-by: Andrew Morton --- diff --git a/lib/math/polynomial.c b/lib/math/polynomial.c index 8c622099ef81..f26677cfeeff 100644 --- a/lib/math/polynomial.c +++ b/lib/math/polynomial.c @@ -16,16 +16,13 @@ #include /* - * 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) {