Message ID | 20190118145805.6852-2-peter.maydell@linaro.org |
---|---|
State | New |
Headers | show
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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id e27sm92094561wra.67.2019.01.18.06.58.07 for <qemu-devel@nongnu.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 18 Jan 2019 06:58:08 -0800 (PST) From: Peter Maydell <peter.maydell@linaro.org> To: qemu-devel@nongnu.org Date: Fri, 18 Jan 2019 14:57:17 +0000 Message-Id: <20190118145805.6852-2-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190118145805.6852-1-peter.maydell@linaro.org> References: <20190118145805.6852-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::42e Subject: [Qemu-devel] [PULL 01/49] hw/char/stm32f2xx_usart: Do not update data register when device is disabled X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
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[PULL,01/49] hw/char/stm32f2xx_usart: Do not update data register when device is disabled
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diff --git a/hw/char/stm32f2xx_usart.c b/hw/char/stm32f2xx_usart.c index f3363a2952d..10392c70e2d 100644 --- a/hw/char/stm32f2xx_usart.c +++ b/hw/char/stm32f2xx_usart.c @@ -53,14 +53,13 @@ static void stm32f2xx_usart_receive(void *opaque, const uint8_t *buf, int size) { STM32F2XXUsartState *s = opaque; - s->usart_dr = *buf; - if (!(s->usart_cr1 & USART_CR1_UE && s->usart_cr1 & USART_CR1_RE)) { /* USART not enabled - drop the chars */ DB_PRINT("Dropping the chars\n"); return; } + s->usart_dr = *buf; s->usart_sr |= USART_SR_RXNE; if (s->usart_cr1 & USART_CR1_RXNEIE) {