.readable_reg = tegra20_ac97_wr_rd_reg,
.volatile_reg = tegra20_ac97_volatile_reg,
.precious_reg = tegra20_ac97_precious_reg,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_FLAT,
};
static int tegra20_ac97_platform_probe(struct platform_device *pdev)