From: Oded Gabbay Date: Thu, 28 Feb 2019 08:46:13 +0000 (+0200) Subject: habanalabs: fix mmu cache registers init X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1e7c1ec14b03fa80783a6263084b2525c57592a1;p=linux.git 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 5780041abe32a..5444cd0824b44 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,