From: Tony Lindgren <tony@atomide.com>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: "Rafael J . Wysocki" <rjw@rjwysocki.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-pm@vger.kernel.org,
Vincent Guittot <vincent.guittot@linaro.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Kevin Hilman <khilman@kernel.org>,
Vinod Koul <vinod.koul@intel.com>,
Viresh Kumar <viresh.kumar@linaro.org>,
Wolfram Sang <wsa@the-dreams.de>,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Russell King <linux@armlinux.org.uk>,
Mark Brown <broonie@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Sanyog Kale <sanyog.r.kale@intel.com>,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH 07/11] driver core: Respect all error codes from dev_pm_domain_attach()
Date: Mon, 14 May 2018 08:19:07 -0700 [thread overview]
Message-ID: <20180514151907.GK98604@atomide.com> (raw)
In-Reply-To: <1524732790-2234-8-git-send-email-ulf.hansson@linaro.org>
Ulf,
* Ulf Hansson <ulf.hansson@linaro.org> [180426 09:01]:
> The limitation of being able to check only for -EPROBE_DEFER from
> dev_pm_domain_attach() has been removed. Hence let's respect all error
> codes and bail out accordingly.
>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
> ---
> drivers/base/platform.c | 17 ++++++++---------
> 1 file changed, 8 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/base/platform.c b/drivers/base/platform.c
> index 8075ddc..9460139 100644
> --- a/drivers/base/platform.c
> +++ b/drivers/base/platform.c
> @@ -572,17 +572,16 @@ static int platform_drv_probe(struct device *_dev)
> return ret;
>
> ret = dev_pm_domain_attach(_dev, true);
> - if (ret != -EPROBE_DEFER) {
> - if (drv->probe) {
> - ret = drv->probe(dev);
> - if (ret)
> - dev_pm_domain_detach(_dev, true);
> - } else {
> - /* don't fail if just dev_pm_domain_attach failed */
> - ret = 0;
> - }
> + if (ret)
> + goto out;
> +
> + if (drv->probe) {
> + ret = drv->probe(dev);
> + if (ret)
> + dev_pm_domain_detach(_dev, true);
> }
>
> +out:
> if (drv->prevent_deferred_probe && ret == -EPROBE_DEFER) {
> dev_warn(_dev, "probe deferral not supported\n");
> ret = -ENXIO;
> --
Looks like this causes Linux next to not boot for me with device
probes failing with error -17. So that's at least omaps, looks
like kernelci has others failing too.
Reverting for 8c123c14bbba ("driver core: Respect all error codes from
dev_pm_domain_attach()") fixes the issue for me.
Sounds like something is missing, any ideas?
Regards,
Tony
next prev parent reply other threads:[~2018-05-14 15:19 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-26 8:52 [PATCH 00/11] PM / Domains: Fixup error paths with dev_pm_domain_attach() Ulf Hansson
2018-04-26 8:53 ` [PATCH 01/11] PM / Domains: Fix error path during attach in genpd Ulf Hansson
2018-04-26 8:53 ` [PATCH 02/11] PM / Domains: Drop comment in genpd about legacy Samsung DT binding Ulf Hansson
2018-04-26 8:53 ` [PATCH 03/11] PM / Domains: Drop redundant code in genpd while attaching devices Ulf Hansson
2018-04-26 8:53 ` [PATCH 04/11] PM / Domains: Check for existing PM domain in dev_pm_domain_attach() Ulf Hansson
2018-04-26 8:53 ` [PATCH 05/11] PM / Domains: Allow a better error handling of dev_pm_domain_attach() Ulf Hansson
2018-04-26 8:53 ` [PATCH 06/11] amba: Respect all error codes from dev_pm_domain_attach() Ulf Hansson
2018-04-26 8:53 ` [PATCH 07/11] driver core: " Ulf Hansson
2018-04-29 13:35 ` Greg Kroah-Hartman
2018-05-14 15:19 ` Tony Lindgren [this message]
2018-05-14 18:57 ` Ulf Hansson
2018-05-15 0:54 ` Tony Lindgren
2018-04-26 8:53 ` [PATCH 08/11] i2c: " Ulf Hansson
2018-04-26 9:03 ` Wolfram Sang
2018-04-26 8:53 ` [PATCH 09/11] mmc: sdio: " Ulf Hansson
2018-04-26 8:53 ` [PATCH 10/11] soundwire: " Ulf Hansson
2018-04-26 9:26 ` Vinod Koul
2018-04-26 8:53 ` [PATCH 11/11] spi: " Ulf Hansson
2018-04-26 11:39 ` Mark Brown
2018-05-02 12:31 ` [PATCH 00/11] PM / Domains: Fixup error paths with dev_pm_domain_attach() Ulf Hansson
2018-05-03 8:31 ` Rafael J. Wysocki
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