From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Shevchenko Subject: [PATCH v3 2/9] Revert "ACPI / LPSS: allow to use specific PM domain during ->probe()" Date: Fri, 4 Dec 2015 23:49:18 +0200 Message-ID: <1449265765-9393-3-git-send-email-andriy.shevchenko@linux.intel.com> References: <1449265765-9393-1-git-send-email-andriy.shevchenko@linux.intel.com> Return-path: In-Reply-To: <1449265765-9393-1-git-send-email-andriy.shevchenko@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: "Rafael J . Wysocki" , linux-acpi@vger.kernel.org, Vinod Koul , dmaengine@vger.kernel.org, Thomas Gleixner , Greg Kroah-Hartman , Jarkko Nikula , linux-kernel@vger.kernel.org, Mika Westerberg Cc: Andy Shevchenko List-Id: linux-acpi@vger.kernel.org The specific power domain can't be used in a way provided by the commit 01ac170ba29a, i.e. pointer to platform device is a subject to change during unbound / bind cycle. This reverts commit 01ac170ba29a9903ee590e1ef2d8e6b27b49a16c. Fixes: 3df2da968744 (Revert "ACPI / LPSS: introduce a 'proxy' device to power on LPSS for DMA") Signed-off-by: Andy Shevchenko --- drivers/acpi/acpi_lpss.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index f9e0d09..da0e276 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -705,8 +705,13 @@ static int acpi_lpss_platform_notify(struct notifier_block *nb, } switch (action) { - case BUS_NOTIFY_ADD_DEVICE: + case BUS_NOTIFY_BOUND_DRIVER: pdev->dev.pm_domain = &acpi_lpss_pm_domain; + break; + case BUS_NOTIFY_UNBOUND_DRIVER: + pdev->dev.pm_domain = NULL; + break; + case BUS_NOTIFY_ADD_DEVICE: if (pdata->dev_desc->flags & LPSS_LTR) return sysfs_create_group(&pdev->dev.kobj, &lpss_attr_group); @@ -714,7 +719,6 @@ static int acpi_lpss_platform_notify(struct notifier_block *nb, case BUS_NOTIFY_DEL_DEVICE: if (pdata->dev_desc->flags & LPSS_LTR) sysfs_remove_group(&pdev->dev.kobj, &lpss_attr_group); - pdev->dev.pm_domain = NULL; break; default: break; -- 2.6.2