From dbf053c42994460d5228e6cef3f69d3c91e52a92 Mon Sep 17 00:00:00 2001 From: Oded Gabbay Date: Sun, 13 Sep 2020 15:35:33 +0300 Subject: [PATCH] habanalabs/gaudi: remove axi drain support AXI drain is broken in GAUDI so remove support for enabling it. Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/gaudi/gaudi.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 6f7f6ad..2c10e3f 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -2885,22 +2885,6 @@ static void gaudi_pre_hw_init(struct hl_device *hdev) */ RREG32(mmPCIE_WRAP_LBW_PROT_OVR); - if (hdev->axi_drain) { - WREG32(mmPCIE_WRAP_LBW_DRAIN_CFG, - 1 << PCIE_WRAP_LBW_DRAIN_CFG_EN_SHIFT); - WREG32(mmPCIE_WRAP_HBW_DRAIN_CFG, - 1 << PCIE_WRAP_HBW_DRAIN_CFG_EN_SHIFT); - - /* Perform read to flush the DRAIN cfg */ - RREG32(mmPCIE_WRAP_HBW_DRAIN_CFG); - } else { - WREG32(mmPCIE_WRAP_LBW_DRAIN_CFG, 0); - WREG32(mmPCIE_WRAP_HBW_DRAIN_CFG, 0); - - /* Perform read to flush the DRAIN cfg */ - RREG32(mmPCIE_WRAP_HBW_DRAIN_CFG); - } - /* Configure the reset registers. Must be done as early as possible * in case we fail during H/W initialization */ -- 2.7.4