Lines Matching refs:butterfly
3 * parport-to-butterfly adapter
26 * See Documentation/spi/butterfly.rst for information about how to build
44 static inline struct butterfly *spidev_to_pp(struct spi_device *spi)
49 struct butterfly {
59 struct spi_device *butterfly;
69 struct butterfly *pp = spidev_to_pp(spi);
85 struct butterfly *pp = spidev_to_pp(spi);
100 struct butterfly *pp = spidev_to_pp(spi);
113 struct butterfly *pp = spidev_to_pp(spi);
174 static struct butterfly *butterfly;
180 struct butterfly *pp;
185 if (butterfly || !dev)
188 /* REVISIT: this just _assumes_ a butterfly is there ... no probe,
272 butterfly = pp;
285 pr_debug("%s: butterfly probe, fail %d\n", p->name, status);
290 struct butterfly *pp;
293 * the parport to the "struct butterfly" associated with it?
296 if (!butterfly || butterfly->port != p)
298 pp = butterfly;
299 butterfly = NULL;