From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wang Xiao W Subject: [PATCH 13/28] fm10k: 1558 DIR_NEGATIVE bit is actually DIR_POSITIVE Date: Thu, 10 Sep 2015 12:38:22 +0800 Message-ID: <1441859917-26475-14-git-send-email-xiao.w.wang@intel.com> References: <1441859917-26475-1-git-send-email-xiao.w.wang@intel.com> Cc: Wang Xiao W To: dev@dpdk.org Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id D654491AA for ; Thu, 10 Sep 2015 06:39:15 +0200 (CEST) In-Reply-To: <1441859917-26475-1-git-send-email-xiao.w.wang@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The SYSTIME_CFG.Adjust field has a Direction bit to indicate whether the adjustment is positive or negative. However, we incorrectly read the documentation and the direction bit should be set 1 when positive, not when negative. Signed-off-by: Wang Xiao W --- drivers/net/fm10k/base/fm10k_pf.c | 4 ++-- drivers/net/fm10k/base/fm10k_type.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/fm10k/base/fm10k_pf.c b/drivers/net/fm10k/base/fm10k_pf.c index eb1adc9..86283fa 100644 --- a/drivers/net/fm10k/base/fm10k_pf.c +++ b/drivers/net/fm10k/base/fm10k_pf.c @@ -1927,8 +1927,8 @@ STATIC s32 fm10k_adjust_systime_pf(struct fm10k_hw *hw, s32 ppb) if (systime_adjust > FM10K_SW_SYSTIME_ADJUST_MASK) return FM10K_ERR_PARAM; - if (ppb < 0) - systime_adjust |= FM10K_SW_SYSTIME_ADJUST_DIR_NEGATIVE; + if (ppb > 0) + systime_adjust |= FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE; FM10K_WRITE_SW_REG(hw, FM10K_SW_SYSTIME_ADJUST, (u32)systime_adjust); diff --git a/drivers/net/fm10k/base/fm10k_type.h b/drivers/net/fm10k/base/fm10k_type.h index a0e5f79..7966a03 100644 --- a/drivers/net/fm10k/base/fm10k_type.h +++ b/drivers/net/fm10k/base/fm10k_type.h @@ -486,7 +486,7 @@ struct fm10k_hw; #define FM10K_SW_SYSTIME_CFG_ADJUST_MASK 0xFF000000 #define FM10K_SW_SYSTIME_ADJUST 0x0224D #define FM10K_SW_SYSTIME_ADJUST_MASK 0x3FFFFFFF -#define FM10K_SW_SYSTIME_ADJUST_DIR_NEGATIVE 0x80000000 +#define FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE 0x80000000 #define FM10K_SW_SYSTIME_PULSE(_n) ((_n) + 0x02252) #ifndef ETH_ALEN -- 1.9.3