From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: [PATCH] mfd: syscon: Fix syscon name for device tree Date: Mon, 7 Jan 2019 16:05:58 -0800 Message-ID: <20190108000558.54914-1-tony@atomide.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Lee Jones Cc: linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, Jeffy Chen List-Id: linux-omap@vger.kernel.org I'm now seeing the following error on omap5 during boot: (NULL device *): Failed to create dummy-scm_conf@0 debugfs directory This is because we have two separate scm_conf syscon regions in the dts. Let's fix the issue by setting a proper name if syscon is configured via device tree. See also related fix for commit 500f9ff518cf ("mfd: syscon: Set name of regmap_config"). Cc: Jeffy Chen Signed-off-by: Tony Lindgren --- drivers/mfd/syscon.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -241,6 +241,8 @@ static int syscon_probe(struct platform_device *pdev) syscon_config.max_register = res->end - res->start - 3; if (pdata) syscon_config.name = pdata->label; + else + syscon_config.name = dev_name(dev); syscon->regmap = devm_regmap_init_mmio(dev, base, &syscon_config); if (IS_ERR(syscon->regmap)) { dev_err(dev, "regmap init failed\n"); -- 2.20.1