From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757821AbaCTLMM (ORCPT ); Thu, 20 Mar 2014 07:12:12 -0400 Received: from mail-we0-f175.google.com ([74.125.82.175]:41704 "EHLO mail-we0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757544AbaCTLMJ (ORCPT ); Thu, 20 Mar 2014 07:12:09 -0400 From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, computersforpeace@gmail.com Cc: lee.jones@linaro.org, kernel@stlinux.com, linux-mtd@lists.infradead.org, dwmw2@infradead.org, angus.clark@st.com Subject: [PATCH 4/5] mtd: st_spi_fsm: Allow loop to run at least once before giving up CPU Date: Thu, 20 Mar 2014 11:11:46 +0000 Message-Id: <1395313907-25318-5-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1395313907-25318-1-git-send-email-lee.jones@linaro.org> References: <1395313907-25318-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Reported-by: Brian Norris Signed-off-by: Lee Jones --- drivers/mtd/devices/st_spi_fsm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c index 9de753d..921b44a 100644 --- a/drivers/mtd/devices/st_spi_fsm.c +++ b/drivers/mtd/devices/st_spi_fsm.c @@ -860,8 +860,6 @@ static uint8_t stfsm_wait_busy(struct stfsm *fsm) */ deadline = jiffies + FLASH_MAX_BUSY_WAIT; while (!timeout) { - cond_resched(); - if (time_after_eq(jiffies, deadline)) timeout = 1; @@ -880,6 +878,8 @@ static uint8_t stfsm_wait_busy(struct stfsm *fsm) if (!timeout) /* Restart */ writel(seq->seq_cfg, fsm->base + SPI_FAST_SEQ_CFG); + + cond_resched(); } dev_err(fsm->dev, "timeout on wait_busy\n"); -- 1.8.3.2