From: Bongsu Jeon <bongsu.jeon@samsung.com>
Date: Tue, 15 Dec 2020 06:54:00 +0000 (+0900)
Subject: nfc: s3fwrn5: Remove the delay for NFC sleep
X-Git-Tag: v5.15~2127^2~12^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7ec27c9e97f26b5a1d7d07dd825069a45067868a;p=platform%2Fkernel%2Flinux-starfive.git

nfc: s3fwrn5: Remove the delay for NFC sleep

Remove the delay for NFC sleep because the delay is only needed to
guarantee that the NFC is awake.

Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/drivers/nfc/s3fwrn5/phy_common.c b/drivers/nfc/s3fwrn5/phy_common.c
index 497b02b30ae7..81318478d5fd 100644
--- a/drivers/nfc/s3fwrn5/phy_common.c
+++ b/drivers/nfc/s3fwrn5/phy_common.c
@@ -20,7 +20,8 @@ void s3fwrn5_phy_set_wake(void *phy_id, bool wake)
 
 	mutex_lock(&phy->mutex);
 	gpio_set_value(phy->gpio_fw_wake, wake);
-	msleep(S3FWRN5_EN_WAIT_TIME);
+	if (wake)
+		msleep(S3FWRN5_EN_WAIT_TIME);
 	mutex_unlock(&phy->mutex);
 }
 EXPORT_SYMBOL(s3fwrn5_phy_set_wake);