From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51875) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciPfc-0002I8-IK for qemu-devel@nongnu.org; Mon, 27 Feb 2017 13:05:13 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ciPfa-0001qo-Oi for qemu-devel@nongnu.org; Mon, 27 Feb 2017 13:05:11 -0500 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:48677) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ciPfa-0001lG-In for qemu-devel@nongnu.org; Mon, 27 Feb 2017 13:05:10 -0500 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.84_2) (envelope-from ) id 1ciPfZ-0002Os-Dx for qemu-devel@nongnu.org; Mon, 27 Feb 2017 18:05:09 +0000 From: Peter Maydell Date: Mon, 27 Feb 2017 18:04:47 +0000 Message-Id: <1488218699-31035-19-git-send-email-peter.maydell@linaro.org> In-Reply-To: <1488218699-31035-1-git-send-email-peter.maydell@linaro.org> References: <1488218699-31035-1-git-send-email-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PULL 18/30] armv7m: Remove unused armv7m_nvic_acknowledge_irq() return value List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Having armv7m_nvic_acknowledge_irq() return the new value of env->v7m.exception and its one caller assign the return value back to env->v7m.exception is pointless. Just make the return type void instead. Signed-off-by: Peter Maydell Reviewed-by: Alex Bennée --- target/arm/cpu.h | 2 +- hw/intc/armv7m_nvic.c | 4 +--- target/arm/helper.c | 2 +- 3 files changed, 3 insertions(+), 5 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 649f237..68ad00c 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1365,7 +1365,7 @@ static inline bool armv7m_nvic_can_take_pending_exception(void *opaque) } #endif void armv7m_nvic_set_pending(void *opaque, int irq); -int armv7m_nvic_acknowledge_irq(void *opaque); +void armv7m_nvic_acknowledge_irq(void *opaque); void armv7m_nvic_complete_irq(void *opaque, int irq); /* Interface for defining coprocessor registers. diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c index 479acfc..9336bca 100644 --- a/hw/intc/armv7m_nvic.c +++ b/hw/intc/armv7m_nvic.c @@ -412,7 +412,7 @@ void armv7m_nvic_set_pending(void *opaque, int irq) } /* Make pending IRQ active. */ -int armv7m_nvic_acknowledge_irq(void *opaque) +void armv7m_nvic_acknowledge_irq(void *opaque) { NVICState *s = (NVICState *)opaque; CPUARMState *env = &s->cpu->env; @@ -439,8 +439,6 @@ int armv7m_nvic_acknowledge_irq(void *opaque) env->v7m.exception = s->vectpending; nvic_irq_update(s); - - return env->v7m.exception; } void armv7m_nvic_complete_irq(void *opaque, int irq) diff --git a/target/arm/helper.c b/target/arm/helper.c index 2fc6802..85d1364 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -6142,7 +6142,7 @@ void arm_v7m_cpu_do_interrupt(CPUState *cs) armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_DEBUG); return; case EXCP_IRQ: - env->v7m.exception = armv7m_nvic_acknowledge_irq(env->nvic); + armv7m_nvic_acknowledge_irq(env->nvic); break; case EXCP_EXCEPTION_EXIT: do_v7m_exception_exit(env); -- 2.7.4