diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/ipmmu-vmsa.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 46906a763d69..331e86839a8c 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -770,8 +770,13 @@ static const struct soc_device_attribute soc_rcar_gen3_whitelist[] = { { /* sentinel */ } }; +static const char * const rcar_gen3_slave_whitelist[] = { +}; + static bool ipmmu_slave_whitelist(struct device *dev) { + unsigned int i; + /* * For R-Car Gen3 use a white list to opt-in slave devices. * For Other SoCs, this returns true anyway. @@ -783,7 +788,13 @@ static bool ipmmu_slave_whitelist(struct device *dev) if (!soc_device_match(soc_rcar_gen3_whitelist)) return false; - /* By default, do not allow use of IPMMU */ + /* Check whether this slave device can work with the IPMMU */ + for (i = 0; i < ARRAY_SIZE(rcar_gen3_slave_whitelist); i++) { + if (!strcmp(dev_name(dev), rcar_gen3_slave_whitelist[i])) + return true; + } + + /* Otherwise, do not allow use of IPMMU */ return false; } |