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[83.103.103.194]) by smtp.gmail.com with ESMTPSA id y81-v6sm5720290wmd.31.2018.05.17.06.07.29 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 17 May 2018 06:07:30 -0700 (PDT) From: Andrea Greco To: tobin@apporbit.com Cc: andrea.greco.gapmilano@gmail.com, Andrea Greco , Michael Grzeschik , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/4] arcnet: com20020: Fixup missing SLOWARB bit Date: Thu, 17 May 2018 15:07:13 +0200 Message-Id: <20180517130713.2839-1-andrea.greco.gapmilano@gmail.com> X-Mailer: git-send-email 2.14.3 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrea Greco If com20020 clock is major of 40Mhz SLOWARB bit is requested. Signed-off-by: Andrea Greco --- drivers/net/arcnet/com20020.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c index 2fd00d2dd6bf..f1de02f05305 100644 --- a/drivers/net/arcnet/com20020.c +++ b/drivers/net/arcnet/com20020.c @@ -102,6 +102,10 @@ int com20020_check(struct net_device *dev) lp->setup = lp->clockm ? 0 : (lp->clockp << 1); lp->setup2 = (lp->clockm << 4) | 8; + /* If clock is major of 40Mhz, SLOWARB bit must be set */ + if (lp->clockm > 1) + lp->setup2 |= SLOWARB; + /* CHECK: should we do this for SOHARD cards ? */ /* Enable P1Mode for backplane mode */ lp->setup = lp->setup | P1MODE; -- 2.14.3