From: Tomeu Vizoso <tomeu.vizoso@collabora.com> To: linux-kernel@vger.kernel.org Cc: Rob Herring <robh+dt@kernel.org>, Stephen Warren <swarren@wwwdotorg.org>, Javier Martinez Canillas <javier@osg.samsung.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Mark Brown <broonie@kernel.org>, Thierry Reding <thierry.reding@gmail.com>, Alan Stern <stern@rowland.harvard.edu>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, linux-arm-kernel@lists.infradead.org, Dmitry Torokhov <dmitry.torokhov@gmail.com>, devicetree@vger.kernel.org, Linus Walleij <linus.walleij@linaro.org>, linux-acpi@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, Tomeu Vizoso <tomeu.vizoso@collabora.com> Subject: [PATCH v6 19/22] power-supply: Probe power supplies on demand Date: Mon, 21 Sep 2015 16:02:59 +0200 [thread overview] Message-ID: <1442844182-27787-20-git-send-email-tomeu.vizoso@collabora.com> (raw) In-Reply-To: <1442844182-27787-1-git-send-email-tomeu.vizoso@collabora.com> When looking up a power supply through its OF node, probe it if it hasn't already. The goal is to reduce deferred probes to a minimum, as it makes it very cumbersome to find out why a device failed to probe, and can introduce very big delays in when a critical device is probed. Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> --- drivers/power/power_supply_core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 456987c88baa..80bc89f4ae89 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -19,6 +19,7 @@ #include <linux/err.h> #include <linux/power_supply.h> #include <linux/thermal.h> +#include <linux/of_device.h> #include "power_supply.h" /* exported for the APM Power driver, APM emulation */ @@ -206,6 +207,8 @@ static int power_supply_find_supply_from_node(struct device_node *supply_node) { int error; + of_device_probe(supply_node); + /* * class_for_each_device() either returns its own errors or values * returned by __power_supply_find_supply_from_node(). -- 2.4.3
WARNING: multiple messages have this Message-ID (diff)
From: tomeu.vizoso@collabora.com (Tomeu Vizoso) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 19/22] power-supply: Probe power supplies on demand Date: Mon, 21 Sep 2015 16:02:59 +0200 [thread overview] Message-ID: <1442844182-27787-20-git-send-email-tomeu.vizoso@collabora.com> (raw) In-Reply-To: <1442844182-27787-1-git-send-email-tomeu.vizoso@collabora.com> When looking up a power supply through its OF node, probe it if it hasn't already. The goal is to reduce deferred probes to a minimum, as it makes it very cumbersome to find out why a device failed to probe, and can introduce very big delays in when a critical device is probed. Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> --- drivers/power/power_supply_core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 456987c88baa..80bc89f4ae89 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -19,6 +19,7 @@ #include <linux/err.h> #include <linux/power_supply.h> #include <linux/thermal.h> +#include <linux/of_device.h> #include "power_supply.h" /* exported for the APM Power driver, APM emulation */ @@ -206,6 +207,8 @@ static int power_supply_find_supply_from_node(struct device_node *supply_node) { int error; + of_device_probe(supply_node); + /* * class_for_each_device() either returns its own errors or values * returned by __power_supply_find_supply_from_node(). -- 2.4.3
next prev parent reply other threads:[~2015-09-21 14:02 UTC|newest] Thread overview: 200+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-09-21 14:02 [PATCH v6 0/22] On-demand device probing Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 01/22] driver core: handle -EPROBE_DEFER from bus_type.match() Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-10-22 1:00 ` Rafael J. Wysocki 2015-10-22 1:00 ` Rafael J. Wysocki 2015-09-21 14:02 ` [PATCH v6 02/22] ARM: amba: Move reading of periphid to amba_match() Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 03/22] of/platform: Point to struct device from device node Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-22 0:39 ` Rob Herring 2015-09-22 0:39 ` Rob Herring 2015-09-22 0:39 ` Rob Herring [not found] ` <CAL_JsqK5CH+a-xQYcocqPb0XqV3F1shC48YQxsTFf9sXjx_xHQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-09-22 6:45 ` Tomeu Vizoso 2015-09-22 6:45 ` Tomeu Vizoso 2015-09-22 6:45 ` Tomeu Vizoso [not found] ` <1442844182-27787-4-git-send-email-tomeu.vizoso-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> 2015-10-22 1:02 ` Rafael J. Wysocki 2015-10-22 1:02 ` Rafael J. Wysocki 2015-10-22 1:02 ` Rafael J. Wysocki 2015-10-22 13:01 ` Tomeu Vizoso 2015-10-22 13:01 ` Tomeu Vizoso 2015-10-22 13:01 ` Tomeu Vizoso 2015-10-24 13:57 ` Rafael J. Wysocki 2015-10-24 13:57 ` Rafael J. Wysocki 2015-10-24 13:57 ` Rafael J. Wysocki 2015-10-27 14:48 ` Tomeu Vizoso 2015-10-27 14:48 ` Tomeu Vizoso 2015-10-27 14:48 ` Tomeu Vizoso 2015-10-27 15:43 ` Rafael J. Wysocki 2015-10-27 15:43 ` Rafael J. Wysocki 2015-10-27 15:43 ` Rafael J. Wysocki 2015-10-27 21:24 ` Rob Herring 2015-10-27 21:24 ` Rob Herring 2015-10-27 21:24 ` Rob Herring 2015-09-21 14:02 ` [PATCH v6 04/22] of: add function to allow probing a device from a OF node Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso [not found] ` <1442844182-27787-5-git-send-email-tomeu.vizoso-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> 2015-10-22 1:06 ` Rafael J. Wysocki 2015-10-22 1:06 ` Rafael J. Wysocki 2015-10-22 1:06 ` Rafael J. Wysocki [not found] ` <10119606.2TraDKGPVy-sKB8Sp2ER+y1GS7QM15AGw@public.gmane.org> 2015-10-22 13:03 ` Tomeu Vizoso 2015-10-22 13:03 ` Tomeu Vizoso 2015-10-22 13:03 ` Tomeu Vizoso 2015-10-22 23:54 ` Mark Brown 2015-10-22 23:54 ` Mark Brown 2015-10-22 23:54 ` Mark Brown 2015-10-24 14:28 ` Rafael J. Wysocki 2015-10-24 14:28 ` Rafael J. Wysocki 2015-10-24 14:28 ` Rafael J. Wysocki 2015-10-24 13:55 ` Rafael J. Wysocki 2015-10-24 13:55 ` Rafael J. Wysocki 2015-10-24 13:55 ` Rafael J. Wysocki 2015-10-24 20:09 ` Rob Herring 2015-10-24 20:09 ` Rob Herring 2015-10-24 20:09 ` Rob Herring 2015-10-26 0:13 ` Mark Brown 2015-10-26 0:13 ` Mark Brown 2015-10-26 0:13 ` Mark Brown 2015-10-26 0:15 ` Dmitry Torokhov 2015-10-26 0:15 ` Dmitry Torokhov 2015-10-26 0:15 ` Dmitry Torokhov [not found] ` <20151026001301.GT29919-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> 2015-10-26 2:48 ` Rafael J. Wysocki 2015-10-26 2:48 ` Rafael J. Wysocki 2015-10-26 2:48 ` Rafael J. Wysocki 2015-10-26 3:09 ` Mark Brown 2015-10-26 3:09 ` Mark Brown 2015-10-26 3:09 ` Mark Brown 2015-10-26 8:16 ` Geert Uytterhoeven 2015-10-26 8:16 ` Geert Uytterhoeven 2015-10-26 8:16 ` Geert Uytterhoeven 2015-10-27 14:46 ` Tomeu Vizoso 2015-10-27 14:46 ` Tomeu Vizoso 2015-10-27 14:46 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 05/22] gpio: Probe GPIO drivers on demand Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 06/22] gpio: Probe pinctrl devices " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 07/22] regulator: core: Remove regulator_list Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 19:38 ` Mark Brown 2015-09-21 19:38 ` Mark Brown [not found] ` <20150921193803.GB30445-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> 2015-09-22 7:21 ` Tomeu Vizoso 2015-09-22 7:21 ` Tomeu Vizoso 2015-09-22 7:21 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 08/22] regulator: core: Probe regulators on demand Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso [not found] ` <1442844182-27787-9-git-send-email-tomeu.vizoso-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> 2015-09-21 19:39 ` Mark Brown 2015-09-21 19:39 ` Mark Brown 2015-09-21 19:39 ` Mark Brown 2015-09-21 14:02 ` [PATCH v6 09/22] drm: Probe panels " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 10/22] drm/tegra: Probe dpaux devices " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 11/22] i2c: core: Probe i2c adapters and " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 12/22] pwm: Probe PWM chip " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 13/22] backlight: Probe backlight " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 14/22] usb: phy: Probe phy " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 15/22] clk: Probe clk providers " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso [not found] ` <1442844182-27787-1-git-send-email-tomeu.vizoso-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> 2015-09-21 14:02 ` [PATCH v6 16/22] pinctrl: Probe pinctrl devices " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 17/22] phy: core: Probe phy providers " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` [PATCH v6 18/22] dma: of: Probe DMA controllers " Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso 2015-09-21 14:02 ` Tomeu Vizoso [this message] 2015-09-21 14:02 ` [PATCH v6 19/22] power-supply: Probe power supplies " Tomeu Vizoso 2015-09-21 14:03 ` [PATCH v6 20/22] driver core: Allow deferring probes until late init Tomeu Vizoso 2015-09-21 14:03 ` Tomeu Vizoso 2015-09-26 18:15 ` Rob Herring 2015-09-26 18:15 ` Rob Herring 2015-09-29 8:05 ` Tomeu Vizoso 2015-09-29 8:05 ` Tomeu Vizoso 2015-09-29 8:05 ` Tomeu Vizoso 2015-09-29 16:58 ` Rob Herring 2015-09-29 16:58 ` Rob Herring 2015-09-29 16:58 ` Rob Herring 2015-09-21 14:03 ` [PATCH v6 21/22] driver core: Start processing deferred probes earlier Tomeu Vizoso 2015-09-21 14:03 ` Tomeu Vizoso 2015-10-05 23:52 ` Frank Rowand 2015-10-05 23:52 ` Frank Rowand 2015-10-06 2:49 ` Rob Herring 2015-10-06 2:49 ` Rob Herring 2015-10-06 2:49 ` Rob Herring [not found] ` <CAL_JsqKBKSsvEuoufc=xesSvcA1bf-X43O0YOvuntUJE5NYCJA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-10-06 10:45 ` Mark Brown 2015-10-06 10:45 ` Mark Brown 2015-10-06 10:45 ` Mark Brown 2015-09-21 14:03 ` [PATCH v6 22/22] of/platform: Defer probes of registered devices Tomeu Vizoso 2015-09-21 14:03 ` Tomeu Vizoso 2015-10-21 5:54 ` Scott Wood 2015-10-21 5:54 ` Scott Wood 2015-10-21 5:54 ` Scott Wood 2015-10-21 13:44 ` Rob Herring 2015-10-21 13:44 ` Rob Herring 2015-10-21 13:44 ` Rob Herring [not found] ` <CAL_JsqLhZmc8cEC+tFJ25KLe0bQZsWmrRWGBMQake9VN6OjvdQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-10-21 22:51 ` Scott Wood 2015-10-21 22:51 ` Scott Wood 2015-10-21 22:51 ` Scott Wood 2015-10-21 22:51 ` Scott Wood [not found] ` <1445467912.701.90.camel-KZfg59tc24xl57MIdRCFDg@public.gmane.org> 2015-10-22 13:04 ` Tomeu Vizoso 2015-10-22 13:04 ` Tomeu Vizoso 2015-10-22 13:04 ` Tomeu Vizoso 2015-10-22 13:04 ` Tomeu Vizoso 2015-10-22 21:27 ` Scott Wood 2015-10-22 21:27 ` Scott Wood 2015-10-22 21:27 ` Scott Wood [not found] ` <1445549230.701.116.camel-KZfg59tc24xl57MIdRCFDg@public.gmane.org> 2015-10-24 13:51 ` Rafael J. Wysocki 2015-10-24 13:51 ` Rafael J. Wysocki 2015-10-24 13:51 ` Rafael J. Wysocki 2015-10-24 13:51 ` Rafael J. Wysocki 2015-10-28 14:40 ` Tomeu Vizoso 2015-10-28 14:40 ` Tomeu Vizoso 2015-10-28 14:40 ` Tomeu Vizoso 2015-10-29 4:17 ` Rob Herring 2015-10-29 4:17 ` Rob Herring 2015-10-29 4:17 ` Rob Herring [not found] ` <CAAObsKDR6pTEDK-G+jw+cr9MD-XoZqU8niqvDFHqFM0ve-+Smw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-10-29 16:06 ` Scott Wood 2015-10-29 16:06 ` Scott Wood 2015-10-29 16:06 ` Scott Wood 2015-10-29 16:06 ` Scott Wood [not found] ` <1445406845.701.55.camel-KZfg59tc24xl57MIdRCFDg@public.gmane.org> 2015-10-22 0:34 ` Michael Ellerman 2015-10-22 0:34 ` Michael Ellerman 2015-10-22 0:34 ` Michael Ellerman 2015-10-22 0:34 ` Michael Ellerman 2015-09-26 18:17 ` [PATCH v6 0/22] On-demand device probing Rob Herring 2015-09-26 18:17 ` Rob Herring 2015-09-26 18:17 ` Rob Herring [not found] ` <5606E120.3070305-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> 2015-09-26 19:22 ` Greg Kroah-Hartman 2015-09-26 19:22 ` Greg Kroah-Hartman 2015-09-26 19:22 ` Greg Kroah-Hartman [not found] ` <20150926192218.GA15657-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org> 2015-09-30 10:09 ` Tomeu Vizoso 2015-09-30 10:09 ` Tomeu Vizoso 2015-09-30 10:09 ` Tomeu Vizoso 2015-09-30 10:23 ` Greg Kroah-Hartman 2015-09-30 10:23 ` Greg Kroah-Hartman 2015-09-30 10:23 ` Greg Kroah-Hartman 2015-09-29 8:08 ` Tomeu Vizoso 2015-09-29 8:08 ` Tomeu Vizoso 2015-09-29 8:08 ` Tomeu Vizoso 2015-10-13 19:57 ` Tomeu Vizoso 2015-10-13 19:57 ` Tomeu Vizoso 2015-10-13 19:57 ` Tomeu Vizoso 2015-10-13 21:21 ` Rob Herring 2015-10-13 21:21 ` Rob Herring 2015-10-13 21:21 ` Rob Herring
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