linux-kernel - [PATCH 3/7] rtlwifi: rtl8821ae: Remove unnecessary PME

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Date:   Fri, 17 Nov 2023 11:44:21 +0200
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     "John W. Linville" <linville@...driver.com>,
        Kalle Valo <kvalo@...nel.org>,
        Larry Finger <Larry.Finger@...inger.net>,
        linux-wireless@...r.kernel.org, Ping-Ke Shih <pkshih@...ltek.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-kernel@...r.kernel.org
Cc:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH 3/7] rtlwifi: rtl8821ae: Remove unnecessary PME_Status bit set

BIT(7) (PME_Status) is first checked and then set unnecessarily. Remove
the unnecessary setting for the bit that is already on and adjust the
comment related to it.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
---
 drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c
index 1633328bc3d1..6ae37d61a2a2 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c
@@ -2312,9 +2312,7 @@ static void _rtl8821ae_clear_pci_pme_status(struct ieee80211_hw *hw)
 		pci_read_config_byte(rtlpci->pdev, cap_pointer + 5, &pmcs_reg);
 
 		if (pmcs_reg & BIT(7)) {
-			/* PME event occured, clear the PM_Status by write 1 */
-			pmcs_reg = pmcs_reg | BIT(7);
-
+			/* Clear PME_Status with write */
 			pci_write_config_byte(rtlpci->pdev, cap_pointer + 5,
 					      pmcs_reg);
 			/* Read it back to check */
-- 
2.30.2