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authorBongsu Jeon <bongsu.jeon@samsung.com>2020-12-15 07:54:00 +0100
committerJakub Kicinski <kuba@kernel.org>2020-12-16 22:09:35 +0100
commit7ec27c9e97f26b5a1d7d07dd825069a45067868a (patch)
tree8869acb249a676fae9fd13373ac843415e4d785e /drivers/nfc/s3fwrn5
parentphy: fix kdoc warning (diff)
downloadlinux-7ec27c9e97f26b5a1d7d07dd825069a45067868a.tar.xz
linux-7ec27c9e97f26b5a1d7d07dd825069a45067868a.zip
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>
Diffstat (limited to 'drivers/nfc/s3fwrn5')
-rw-r--r--drivers/nfc/s3fwrn5/phy_common.c3
1 files changed, 2 insertions, 1 deletions
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);