From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-we0-f173.google.com ([74.125.82.173]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WQati-0003p9-0M for linux-mtd@lists.infradead.org; Thu, 20 Mar 2014 11:12:40 +0000 Received: by mail-we0-f173.google.com with SMTP id w61so462290wes.4 for ; Thu, 20 Mar 2014 04:12:08 -0700 (PDT) From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, computersforpeace@gmail.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> In-Reply-To: <1395313907-25318-1-git-send-email-lee.jones@linaro.org> References: <1395313907-25318-1-git-send-email-lee.jones@linaro.org> Cc: linux-mtd@lists.infradead.org, dwmw2@infradead.org, lee.jones@linaro.org, kernel@stlinux.com, angus.clark@st.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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