From mboxrd@z Thu Jan 1 00:00:00 1970 From: Faiz Abbas Subject: [PATCH v3 3/3] mmc: sdhci_am654: Print error message if the DLL fails to lock Date: Tue, 28 May 2019 15:29:28 +0530 Message-ID: <20190528095928.26452-4-faiz_abbas@ti.com> References: <20190528095928.26452-1-faiz_abbas@ti.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190528095928.26452-1-faiz_abbas@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org Cc: ulf.hansson@linaro.org, adrian.hunter@intel.com, faiz_abbas@ti.com List-Id: linux-mmc@vger.kernel.org Print an error message and return if DLL fails to lock. Signed-off-by: Faiz Abbas --- drivers/mmc/host/sdhci_am654.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c index 3c32d9fb6e1e..d0b20780dd0f 100644 --- a/drivers/mmc/host/sdhci_am654.c +++ b/drivers/mmc/host/sdhci_am654.c @@ -137,6 +137,11 @@ static void sdhci_am654_set_clock(struct sdhci_host *host, unsigned int clock) ret = regmap_read_poll_timeout(sdhci_am654->base, PHY_STAT1, val, val & DLLRDY_MASK, 1000, 1000000); + if (ret) { + dev_err(mmc_dev(host->mmc), "DLL failed to relock\n"); + return; + } + sdhci_am654->dll_on = true; } } -- 2.19.2