From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1X1WNz-0002CQ-FZ for barebox@lists.infradead.org; Mon, 30 Jun 2014 07:52:24 +0000 From: Steffen Trumtrar Date: Mon, 30 Jun 2014 09:51:56 +0200 Message-Id: <1404114716-27533-1-git-send-email-s.trumtrar@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] regulator: fixed: add always-on property To: barebox@lists.infradead.org Cc: Steffen Trumtrar Support the "regulator-always-on" property for fixed regulators. The regulator gets enabled on probe and subsequent disable calls are ignored. Signed-off-by: Steffen Trumtrar --- drivers/regulator/fixed.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 7e64919..2515d3e 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -27,6 +27,7 @@ struct regulator_fixed { int gpio; int active_low; + int always_on; struct regulator_dev rdev; }; @@ -44,6 +45,9 @@ static int regulator_fixed_disable(struct regulator_dev *rdev) { struct regulator_fixed *fix = container_of(rdev, struct regulator_fixed, rdev); + if (fix->always_on) + return 0; + if (!gpio_is_valid(fix->gpio)) return 0; @@ -79,6 +83,11 @@ static int regulator_fixed_probe(struct device_d *dev) fix->rdev.ops = &fixed_ops; + if (of_find_property(dev->device_node, "regulator-always-on", NULL)) { + fix->always_on = 1; + regulator_fixed_enable(&fix->rdev); + } + ret = of_regulator_register(&fix->rdev, dev->device_node); if (ret) return ret; -- 2.0.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox