On Mon, Sep 30, 2024 at 11:22:42AM +0800, Peng Fan (OSS) wrote:
From: Joy Zou joy.zou@nxp.com
Support NXP pmic pf0900
Reviewed-by: Ye Li ye.li@nxp.com Signed-off-by: Joy Zou joy.zou@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com
drivers/power/pmic/Kconfig | 15 ++ drivers/power/pmic/Makefile | 1 + drivers/power/pmic/pf0900.c | 174 +++++++++++++++++++++++ include/power/pf0900.h | 269 ++++++++++++++++++++++++++++++++++++ 4 files changed, 459 insertions(+) create mode 100644 drivers/power/pmic/pf0900.c create mode 100644 include/power/pf0900.h
No MAINTAINERS update for this file. And
[snip]
+static u8 crc8_j1850(u8 *data, u8 length) +{
- u8 t_crc;
- u8 i, j;
- t_crc = 0xFF;
- for (i = 0; i < length; i++) {
t_crc ^= data[i];for (j = 0; j < 8; j++) {if ((t_crc & 0x80) != 0) {t_crc <<= 1;t_crc ^= 0x1D;} else {t_crc <<= 1;}}- }
- return t_crc;
+}
This gets repeated in other drivers and I gather this is "CRC8 SAE J1850" algorithm? This should get put in lib/crc8.c and re-used as needed.