diff options
| -rw-r--r-- | drivers/soc/aspeed/aspeed-lpc-snoop.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/soc/aspeed/aspeed-lpc-snoop.c b/drivers/soc/aspeed/aspeed-lpc-snoop.c index fc3a2c41cc10..ca7536213e09 100644 --- a/drivers/soc/aspeed/aspeed-lpc-snoop.c +++ b/drivers/soc/aspeed/aspeed-lpc-snoop.c @@ -186,10 +186,9 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop, struct device *dev, int channel, u16 lpc_port) { - int rc = 0; + const struct aspeed_lpc_snoop_model_data *model_data; u32 hicr5_en, snpwadr_mask, snpwadr_shift, hicrb_en; - const struct aspeed_lpc_snoop_model_data *model_data = - of_device_get_match_data(dev); + int rc = 0; if (WARN_ON(lpc_snoop->chan[channel].enabled)) return -EBUSY; @@ -236,9 +235,10 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop, regmap_update_bits(lpc_snoop->regmap, HICR5, hicr5_en, hicr5_en); regmap_update_bits(lpc_snoop->regmap, SNPWADR, snpwadr_mask, lpc_port << snpwadr_shift); - if (model_data->has_hicrb_ensnp) - regmap_update_bits(lpc_snoop->regmap, HICRB, - hicrb_en, hicrb_en); + + model_data = of_device_get_match_data(dev); + if (model_data && model_data->has_hicrb_ensnp) + regmap_update_bits(lpc_snoop->regmap, HICRB, hicrb_en, hicrb_en); lpc_snoop->chan[channel].enabled = true; |