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Tue, 3 Mar 2020 10:10:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1583230263; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fq233vp5w5aZrfj8fLdkUXIRg6LJGgiJqm59yH0KHgM=; b=YcaiYwmbxiIQJFlUOMfvpIM/5o0pWSm7u28mzWYcp6DYSt/bDsx3zH5/bNlo0EDPsAvRmz 7hPnL/EitN0L4WRPLObXnt7euKlTOUoKU4BW435PlDzFah9ktpFcP2LNfaY5CPu/zFUFwK ob6weRHFElXY/NPjSnwq7zGFUwCnono= X-MC-Unique: AY_PeZpPPayfgUpz8w7kIQ-1 From: Jason Wang To: peter.maydell@linaro.org Subject: [PULL V2 06/23] dp8393x: Clear RRRA command register bit only when appropriate Date: Tue, 3 Mar 2020 18:10:25 +0800 Message-Id: <1583230242-14597-7-git-send-email-jasowang@redhat.com> In-Reply-To: <1583230242-14597-1-git-send-email-jasowang@redhat.com> References: <1583230242-14597-1-git-send-email-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jason Wang , qemu-devel@nongnu.org, Finn Thain Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Finn Thain It doesn't make sense to clear the command register bit unless the command was actually issued. Signed-off-by: Finn Thain Reviewed-by: Philippe Mathieu-Daud=C3=A9 Tested-by: Laurent Vivier Signed-off-by: Jason Wang --- hw/net/dp8393x.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c index 9604623..b5a9c6a 100644 --- a/hw/net/dp8393x.c +++ b/hw/net/dp8393x.c @@ -352,9 +352,6 @@ static void dp8393x_do_read_rra(dp8393xState *s) s->regs[SONIC_ISR] |=3D SONIC_ISR_RBE; dp8393x_update_irq(s); } - - /* Done */ - s->regs[SONIC_CR] &=3D ~SONIC_CR_RRRA; } =20 static void dp8393x_do_software_reset(dp8393xState *s) @@ -565,8 +562,10 @@ static void dp8393x_do_command(dp8393xState *s, uint16= _t command) dp8393x_do_start_timer(s); if (command & SONIC_CR_RST) dp8393x_do_software_reset(s); - if (command & SONIC_CR_RRRA) + if (command & SONIC_CR_RRRA) { dp8393x_do_read_rra(s); + s->regs[SONIC_CR] &=3D ~SONIC_CR_RRRA; + } if (command & SONIC_CR_LCAM) dp8393x_do_load_cam(s); } --=20 2.5.0