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, Russell King <rmk+kernel@arm.linux.org.uk>, Linus Walleij <linus.walleij@linaro.org>, Ulf Hansson <ulf.hansson@linaro.org>, linux-acpi@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, Tomeu Vizoso <tomeu.vizoso@collabora.com> Subject: [PATCH v7 16/20] phy: core: Probe phy providers on demand Date: Tue, 29 Sep 2015 11:10:54 +0200 [thread overview] Message-ID: <1443517859-30376-17-git-send-email-tomeu.vizoso@collabora.com> (raw) In-Reply-To: <1443517859-30376-1-git-send-email-tomeu.vizoso@collabora.com> When looking up a phy provider 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/phy/phy-core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index fc48fac003a6..94e90031d7f3 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -18,6 +18,7 @@ #include <linux/device.h> #include <linux/slab.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/phy/phy.h> #include <linux/idr.h> #include <linux/pm_runtime.h> @@ -363,6 +364,8 @@ static struct phy *_of_phy_get(struct device_node *np, int index) if (ret) return ERR_PTR(-ENODEV); + of_device_probe(args.np); + mutex_lock(&phy_provider_mutex); phy_provider = of_phy_provider_lookup(args.np); if (IS_ERR(phy_provider) || !try_module_get(phy_provider->owner)) { -- 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 v7 16/20] phy: core: Probe phy providers on demand Date: Tue, 29 Sep 2015 11:10:54 +0200 [thread overview] Message-ID: <1443517859-30376-17-git-send-email-tomeu.vizoso@collabora.com> (raw) In-Reply-To: <1443517859-30376-1-git-send-email-tomeu.vizoso@collabora.com> When looking up a phy provider 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/phy/phy-core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index fc48fac003a6..94e90031d7f3 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -18,6 +18,7 @@ #include <linux/device.h> #include <linux/slab.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/phy/phy.h> #include <linux/idr.h> #include <linux/pm_runtime.h> @@ -363,6 +364,8 @@ static struct phy *_of_phy_get(struct device_node *np, int index) if (ret) return ERR_PTR(-ENODEV); + of_device_probe(args.np); + mutex_lock(&phy_provider_mutex); phy_provider = of_phy_provider_lookup(args.np); if (IS_ERR(phy_provider) || !try_module_get(phy_provider->owner)) { -- 2.4.3
next prev parent reply other threads:[~2015-09-29 9:12 UTC|newest] Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-09-29 9:10 [PATCH v7 0/20] On-demand device probing Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 01/20] driver core: handle -EPROBE_DEFER from bus_type.match() Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-10-17 6:51 ` Greg Kroah-Hartman 2015-10-17 6:51 ` Greg Kroah-Hartman 2015-09-29 9:10 ` [PATCH v7 02/20] ARM: amba: Move reading of periphid to amba_match() Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 04/20] of: add function to allow probing a device from a OF node Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-10-17 6:53 ` Greg Kroah-Hartman 2015-10-17 6:53 ` Greg Kroah-Hartman 2015-09-29 9:10 ` [PATCH v7 05/20] gpio: Probe GPIO drivers on demand Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 06/20] pinctrl: Probe pinctrl devices " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 07/20] regulator: core: Probe regulators " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 09/20] drm/tegra: Probe dpaux devices " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 10/20] i2c: core: Probe i2c adapters and " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso [not found] ` <1443517859-30376-1-git-send-email-tomeu.vizoso-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> 2015-09-29 9:10 ` [PATCH v7 03/20] of/platform: Point to struct device from device node Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 08/20] drm: Probe panels on demand Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 11/20] pwm: Probe PWM chip devices " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 17/20] dma: of: Probe DMA controllers " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 12/20] backlight: Probe backlight devices " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 13/20] usb: phy: Probe phy " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-10-17 6:55 ` Greg Kroah-Hartman 2015-10-17 6:55 ` Greg Kroah-Hartman 2015-09-29 9:10 ` [PATCH v7 14/20] clk: Probe clk providers " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 15/20] pinctrl: Probe pinctrl devices " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso [this message] 2015-09-29 9:10 ` [PATCH v7 16/20] phy: core: Probe phy providers " Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 18/20] power-supply: Probe power supplies " Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-09-29 9:10 ` [PATCH v7 19/20] driver core: Allow deferring probes until late init Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso [not found] ` <1443517859-30376-20-git-send-email-tomeu.vizoso-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> 2015-10-14 23:12 ` Frank Rowand 2015-10-14 23:12 ` Frank Rowand 2015-10-14 23:12 ` Frank Rowand 2015-09-29 9:10 ` [PATCH v7 20/20] of/platform: Defer probes of registered devices Tomeu Vizoso 2015-09-29 9:10 ` Tomeu Vizoso 2015-10-14 23:12 ` Frank Rowand 2015-10-14 23:12 ` Frank Rowand
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