sgi_gbe
if (!request_mem_region(GBE_BASE, sizeof(struct sgi_gbe), "GBE")) {
gbe = (struct sgi_gbe *) devm_ioremap(&p_dev->dev, GBE_BASE,
sizeof(struct sgi_gbe));
release_mem_region(GBE_BASE, sizeof(struct sgi_gbe));
release_mem_region(GBE_BASE, sizeof(struct sgi_gbe));
static struct sgi_gbe *gbe;
fix->mmio_len = sizeof(struct sgi_gbe);