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From: Alex Elder <elder@linaro.org>
To: davem@davemloft.net,
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	pabeni@redhat.com
Cc: mka@chromium.org,
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	elder@kernel.org,
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Subject: [PATCH net-next 2/6] net: ipa: kill IPA_POWER_FLAG_SYSTEM
Date: Fri, 23 Feb 2024 07:39:26 -0600
Message-Id: <20240223133930.582041-3-elder@linaro.org>
In-Reply-To: <20240223133930.582041-1-elder@linaro.org>
References: <20240223133930.582041-1-elder@linaro.org>
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The SYSTEM IPA power flag is set, cleared, and tested.  But nothing
happens based on its value when tested, so it serves no purpose.
Get rid of this flag.

Signed-off-by: Alex Elder <elder@linaro.org>
---
Note: checkpatch warns: braces {} are not necessary...

 drivers/net/ipa/ipa_power.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ipa/ipa_power.c b/drivers/net/ipa/ipa_power.c
index 694bc71e0a170..be9e859e853fb 100644
--- a/drivers/net/ipa/ipa_power.c
+++ b/drivers/net/ipa/ipa_power.c
@@ -37,12 +37,10 @@
 /**
  * enum ipa_power_flag - IPA power flags
  * @IPA_POWER_FLAG_RESUMED:	Whether resume from suspend has been signaled
- * @IPA_POWER_FLAG_SYSTEM:	Hardware is system (not runtime) suspended
  * @IPA_POWER_FLAG_COUNT:	Number of defined power flags
  */
 enum ipa_power_flag {
 	IPA_POWER_FLAG_RESUMED,
-	IPA_POWER_FLAG_SYSTEM,
 	IPA_POWER_FLAG_COUNT,		/* Last; not a flag */
 };
 
@@ -173,8 +171,6 @@ static int ipa_suspend(struct device *dev)
 {
 	struct ipa *ipa = dev_get_drvdata(dev);
 
-	__set_bit(IPA_POWER_FLAG_SYSTEM, ipa->power->flags);
-
 	/* Increment the disable depth to ensure that the IRQ won't
 	 * be re-enabled until the matching _enable call in
 	 * ipa_resume(). We do this to ensure that the interrupt
@@ -196,8 +192,6 @@ static int ipa_resume(struct device *dev)
 
 	ret = pm_runtime_force_resume(dev);
 
-	__clear_bit(IPA_POWER_FLAG_SYSTEM, ipa->power->flags);
-
 	/* Now that PM runtime is enabled again it's safe
 	 * to turn the IRQ back on and process any data
 	 * that was received during suspend.
@@ -219,10 +213,9 @@ void ipa_power_suspend_handler(struct ipa *ipa, enum ipa_irq_id irq_id)
 	 * just to handle the interrupt, so we're done.  If we are in a
 	 * system suspend, trigger a system resume.
 	 */
-	if (!__test_and_set_bit(IPA_POWER_FLAG_RESUMED, ipa->power->flags))
-		if (test_bit(IPA_POWER_FLAG_SYSTEM, ipa->power->flags)) {
-			;
-		}
+	if (!__test_and_set_bit(IPA_POWER_FLAG_RESUMED, ipa->power->flags)) {
+		;
+	}
 
 	/* Acknowledge/clear the suspend interrupt on all endpoints */
 	ipa_interrupt_suspend_clear_all(ipa->interrupt);
-- 
2.40.1