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| author |   Oded Gabbay <oded.gabbay@gmail.com> | 2019-02-28 10:46:13 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-28 13:04:59 +0100 |
| commit | 1e7c1ec14b03fa80783a6263084b2525c57592a1 (patch) | |
| tree | adf8cbb14eda6a4f28f7a4f34da7123b74fcb09c /drivers/misc | |
| parent | habanalabs: disable CPU access on timeouts (diff) | |
| download | linux-dev-1e7c1ec14b03fa80783a6263084b2525c57592a1.tar.xz linux-dev-1e7c1ec14b03fa80783a6263084b2525c57592a1.zip | |
habanalabs: fix mmu cache registers init
This patch fix an incorrect initialization of the MMU cache registers. The
shift operation was done in the wrong direction.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/habanalabs/goya/goya.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 5780041abe32..5444cd0824b4 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -2675,8 +2675,9 @@ static int goya_mmu_init(struct hl_device *hdev) goya->hw_cap_initialized |= HW_CAP_MMU; /* init MMU cache manage page */ - WREG32(mmSTLB_CACHE_INV_BASE_39_8, MMU_CACHE_MNG_ADDR >> 8); - WREG32(mmSTLB_CACHE_INV_BASE_49_40, MMU_CACHE_MNG_ADDR << 40); + WREG32(mmSTLB_CACHE_INV_BASE_39_8, + lower_32_bits(MMU_CACHE_MNG_ADDR >> 8)); + WREG32(mmSTLB_CACHE_INV_BASE_49_40, MMU_CACHE_MNG_ADDR >> 40); /* Remove follower feature due to performance bug */ WREG32_AND(mmSTLB_STLB_FEATURE_EN, |