pca954x_pm 539 drivers/i2c/muxes/i2c-mux-pca954x.c static SIMPLE_DEV_PM_OPS(pca954x_pm, NULL, pca954x_resume); pca954x_pm 544 drivers/i2c/muxes/i2c-mux-pca954x.c .pm = &pca954x_pm,