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From: Raag Jadav <raag.jadav@intel.com>
To: u.kleine-koenig@pengutronix.de, jarkko.nikula@linux.intel.com,
	mika.westerberg@linux.intel.com,
	andriy.shevchenko@linux.intel.com
Cc: linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Raag Jadav <raag.jadav@intel.com>
Subject: [PATCH v1 2/2] pwm: lpss: drop redundant runtime PM handles
Date: Mon, 12 Feb 2024 11:40:37 +0530	[thread overview]
Message-ID: <20240212061037.4271-3-raag.jadav@intel.com> (raw)
In-Reply-To: <20240212061037.4271-1-raag.jadav@intel.com>

We no longer need empty runtime PM handles for PCI devices after commit
c5eb1190074c ("PCI / PM: Allow runtime PM without callback functions").
Drop them and let PCI core take care of power state transitions.

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/pwm/pwm-lpss-pci.c | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/drivers/pwm/pwm-lpss-pci.c b/drivers/pwm/pwm-lpss-pci.c
index b4134bee2863..51efe37e23fe 100644
--- a/drivers/pwm/pwm-lpss-pci.c
+++ b/drivers/pwm/pwm-lpss-pci.c
@@ -48,25 +48,6 @@ static void pwm_lpss_remove_pci(struct pci_dev *pdev)
 	pm_runtime_get_sync(&pdev->dev);
 }
 
-static int pwm_lpss_runtime_suspend_pci(struct device *dev)
-{
-	/*
-	 * The PCI core will handle transition to D3 automatically. We only
-	 * need to provide runtime PM hooks for that to happen.
-	 */
-	return 0;
-}
-
-static int pwm_lpss_runtime_resume_pci(struct device *dev)
-{
-	return 0;
-}
-
-static DEFINE_RUNTIME_DEV_PM_OPS(pwm_lpss_pci_pm,
-				 pwm_lpss_runtime_suspend_pci,
-				 pwm_lpss_runtime_resume_pci,
-				 NULL);
-
 static const struct pci_device_id pwm_lpss_pci_ids[] = {
 	{ PCI_VDEVICE(INTEL, 0x0ac8), (unsigned long)&pwm_lpss_bxt_info},
 	{ PCI_VDEVICE(INTEL, 0x0f08), (unsigned long)&pwm_lpss_byt_info},
@@ -86,9 +67,6 @@ static struct pci_driver pwm_lpss_driver_pci = {
 	.id_table = pwm_lpss_pci_ids,
 	.probe = pwm_lpss_probe_pci,
 	.remove = pwm_lpss_remove_pci,
-	.driver = {
-		.pm = pm_ptr(&pwm_lpss_pci_pm),
-	},
 };
 module_pci_driver(pwm_lpss_driver_pci);
 
-- 
2.35.3


  parent reply	other threads:[~2024-02-12  6:10 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-12  6:10 [PATCH v1 0/2] LPSS PWM cleanups Raag Jadav
2024-02-12  6:10 ` [PATCH v1 1/2] pwm: lpss: use devm_pm_runtime_enable() helper Raag Jadav
2024-02-12  6:10 ` Raag Jadav [this message]
2024-02-14  7:04   ` [PATCH v1 2/2] pwm: lpss: drop redundant runtime PM handles Jarkko Nikula
2024-02-14  9:32     ` Raag Jadav
2024-02-12  7:14 ` [PATCH v1 0/2] LPSS PWM cleanups Uwe Kleine-König

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