From patchwork Sun May 3 14:31:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 244919 List-Id: U-Boot discussion From: peng.fan at nxp.com (Peng Fan) Date: Sun, 3 May 2020 22:31:47 +0800 Subject: [PATCH 2/2] misc: scu: Increase the timeout for MU communication In-Reply-To: <20200503143147.16144-1-peng.fan@nxp.com> References: <20200503143147.16144-1-peng.fan@nxp.com> Message-ID: <20200503143147.16144-2-peng.fan@nxp.com> From: Ye Li When power on some sources in Video system, current timeout 10ms is too short and returns before SCU response. So increase the timeout to 1s. Signed-off-by: Ye Li Signed-off-by: Peng Fan --- drivers/misc/imx8/scu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/misc/imx8/scu.c b/drivers/misc/imx8/scu.c index a7654a7817..6916b754f6 100644 --- a/drivers/misc/imx8/scu.c +++ b/drivers/misc/imx8/scu.c @@ -74,7 +74,7 @@ static int mu_hal_receivemsg(struct mu_type *base, u32 reg_index, u32 *msg) assert(reg_index < MU_TR_COUNT); /* Wait RX register to be full. */ - ret = readl_poll_timeout(&base->sr, val, val & mask, 10000); + ret = readl_poll_timeout(&base->sr, val, val & mask, 1000000); if (ret < 0) { printf("%s timeout\n", __func__); return -ETIMEDOUT;