neponset_drvdata
static struct neponset_drvdata *nep;
struct neponset_drvdata *n = nep;
struct neponset_drvdata *d = irq_desc_get_handler_data(desc);
struct neponset_drvdata *d;
struct neponset_drvdata *d = platform_get_drvdata(dev);
struct neponset_drvdata *d = dev_get_drvdata(dev);