From: Thomas Wismer Date: Mon, 6 Oct 2025 20:40:29 +0000 (+0200) Subject: net: pse-pd: tps23881: Fix current measurement scaling X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=2c95a756e0cfc19af6d0b32b0c6cf3bada334998;p=users%2Fhch%2Fmisc.git net: pse-pd: tps23881: Fix current measurement scaling The TPS23881 improves on the TPS23880 with current sense resistors reduced from 255 mOhm to 200 mOhm. This has a direct impact on the scaling of the current measurement. However, the latest TPS23881 data sheet from May 2023 still shows the scaling of the TPS23880 model. Fixes: 7f076ce3f1733 ("net: pse-pd: tps23881: Add support for power limit and measurement features") Signed-off-by: Thomas Wismer Acked-by: Kory Maincent Link: https://patch.msgid.link/20251006204029.7169-2-thomas@wismer.xyz Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/pse-pd/tps23881.c b/drivers/net/pse-pd/tps23881.c index 63f8f43062bc..b724b222ab44 100644 --- a/drivers/net/pse-pd/tps23881.c +++ b/drivers/net/pse-pd/tps23881.c @@ -62,7 +62,7 @@ #define TPS23881_REG_SRAM_DATA 0x61 #define TPS23881_UV_STEP 3662 -#define TPS23881_NA_STEP 70190 +#define TPS23881_NA_STEP 89500 #define TPS23881_MW_STEP 500 #define TPS23881_MIN_PI_PW_LIMIT_MW 2000