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| author | Hai Nguyen Pham <hai.pham.ud@renesas.com> | 2019-03-07 13:11:25 +0700 |
|---|---|---|
| committer | Ryo Kataoka <ryo.kataoka.wt@renesas.com> | 2019-03-22 20:50:34 +0900 |
| commit | adc2d8f520e43ae9345d68363087bbd1149f4623 (patch) | |
| tree | 41a8efc2102a3c7260b83f4e5232f4295360d851 | |
| parent | 53043d1897d2f75cbdb428c40e452df110d9eeba (diff) | |
| download | renesas-bsp-adc2d8f520e43ae9345d68363087bbd1149f4623.tar.gz | |
iommu/ipmmu-vmsa: Bypass whitelist check for unsupported SoCs
Whitelist check is specific for Renesas R-Car Gen3 SoCs only.
Bypass the check for other SoCs.
Signed-off-by: Hai Nguyen Pham <hai.pham.ud@renesas.com>
| -rw-r--r-- | drivers/iommu/ipmmu-vmsa.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index ccfec5873fc4b..47de9c5ec188d 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -1080,6 +1080,13 @@ static bool ipmmu_slave_whitelist(struct device *dev, u32 *ids) goto exit; } + /* + * For R-Car Gen3 SoCs, use a white list to check the uTLB set up + * For other SoCs, return true + */ + if (!mmu->features->whitelist) + return true; + if (!mmu->whitelist[0]) { pr_debug("%s Whitelist not found on %s!!!\n", __func__, dev_name(mmu->dev)); |