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Wed, 28 Mar 2018 15:39:41 +0100 (BST) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eucas1p1.samsung.com (KnoxPortal) with ESMTP id 20180328143940eucas1p16cbfab79a8ac143fe1c43243fd2b3ec1~gHHkIcXCj0407404074eucas1p1s; Wed, 28 Mar 2018 14:39:40 +0000 (GMT) X-AuditID: cbfec7f5-f95739c0000028a9-00-5abba92cdf9d Received: from eusync4.samsung.com ( [203.254.199.214]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 42.AF.04178.C29ABBA5; Wed, 28 Mar 2018 15:39:40 +0100 (BST) Received: from AMDC2765.digital.local ([106.116.147.25]) by eusync4.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0P6B00LAO21ZY9A0@eusync4.samsung.com>; Wed, 28 Mar 2018 15:39:40 +0100 (BST) From: Marek Szyprowski To: linux-input@vger.kernel.org Cc: Marek Szyprowski , Dmitry Torokhov , Andi Shyti , Chanwoo Choi , Bartlomiej Zolnierkiewicz Subject: [PATCH v2] Input: stmfts - use async probe & suspend/resume to avoid 2s delay Date: Wed, 28 Mar 2018 16:39:29 +0200 Message-id: <20180328143929.2937-1-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.15.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprHIsWRmVeSWpSXmKPExsWy7djP87q6K3dHGSzYymSx+MdzJouNM9az Wlz/8pzV4vCiF4wWNz99Y7VYe+QuuwObx/Uln5g9ds66y+7Rt2UVo8fnTXIBLFFcNimpOZll qUX6dglcGcsn/mAq2M1R8WL3X9YGxh72LkZODgkBE4lzl1ezdjFycQgJrGCU2H77LDuE85lR ou/7AiaYqltz70MlljFK/O2GcRqYJN78XgpWxSZgKNH1touti5GDQ0RAXuLWEVOQMLPAXUaJ fY1KILawQITE74crWEFsFgFViZOdl1hAbF4BG4mp7T+YIZbJSyz+vpMNZL6EwFVWiVOvQByQ hIvE2y+trBC2sMSr41ugfpCR6Ow4CHVpPdDVR5ggmnsYJfa2TIVKWEscPn6RFeIiPolJ26Yz gxwqIcAr0dEmBFHiIbH25F+o+Y4S/ZsXgrUKCcRK/Djzn3ECo+QCRoZVjOKppcW56anFxnmp 5XrFibnFpXnpesn5uZsYgbF2+t/xrzsY9/1JOsQowMGoxMNrsWh3lBBrYllxZe4hRgkOZiUR 3vcaQCHelMTKqtSi/Pii0pzU4kOM0hwsSuK8cRp1UUIC6YklqdmpqQWpRTBZJg5OqQbG661r p+7gSFqaHSL6fe9yCdbTKhpHujYUv+udz/707sHJPD6T1sn+P/3Z+UJXuRmzq8RfzVuf2Hf8 Pn6diZdddZXFYj/xZYKtxp88L1qe1L1+Pz3ISff9esllfy94/6y4wTYxZ8bEzG16c8SYxUvY /4s4e1bxrp0e7Dgrol5Fp279vz++RrbrlViKMxINtZiLihMBqTp+8rECAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrEJMWRmVeSWpSXmKPExsVy+t/xa7o6K3dHGbzbym2x+MdzJouNM9az Wlz/8pzV4vCiF4wWNz99Y7VYe+QuuwObx/Uln5g9ds66y+7Rt2UVo8fnTXIBLFFcNimpOZll qUX6dglcGcsn/mAq2M1R8WL3X9YGxh72LkZODgkBE4lbc++D2UICSxglztwogrCbmCS2H+QC sdkEDCW63naxdTFycIgIyEvcOmIKEmYWuMso8fG+CogtLBAhceFtNwuIzSKgKnGy8xKYzStg IzG1/QczxCp5icXfd7JNYORawMiwilEktbQ4Nz232FCvODG3uDQvXS85P3cTI9Dn24793LyD 8dLG4EOMAhyMSjy8Fot2RwmxJpYVV+YeYpTgYFYS4X2vARTiTUmsrEotyo8vKs1JLT7EKM3B oiTOe96gMkpIID2xJDU7NbUgtQgmy8TBKdXAKFQrVjxrxrOe6aH+c+98PiL2svDdn4ouv8mn 7Q1m+0R57894dpB1cXPGJZMa+Q9T/p2b01XP/9R135l0UR2Zl+v93kVxXDQ7+lH+7lufuA/9 j444cJ5oPTjTxLc4pd5fK1RVJf3UdZPF+azGezdNkGHMcz+s6vjg0D/rAxcnSHWeZf6wZWHE SiWW4oxEQy3mouJEADZKIwH1AQAA X-CMS-MailID: 20180328143940eucas1p16cbfab79a8ac143fe1c43243fd2b3ec1 X-Msg-Generator: CA CMS-TYPE: 201P X-CMS-RootMailID: 20180328143940eucas1p16cbfab79a8ac143fe1c43243fd2b3ec1 X-RootMTR: 20180328143940eucas1p16cbfab79a8ac143fe1c43243fd2b3ec1 References: Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Executing stmfts_power_on() function lasts over 2 seconds, what significantly slows down the boot and resume processes if driver is compiled in. Avoid this delay by forcing this driver to be probed and suspended/resumed asynchronously. Signed-off-by: Marek Szyprowski --- drivers/input/touchscreen/stmfts.c | 2 ++ 1 file changed, 2 insertions(+) -- 2.15.0 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c index efdb1a75a163..40c833db150a 100644 --- a/drivers/input/touchscreen/stmfts.c +++ b/drivers/input/touchscreen/stmfts.c @@ -730,6 +730,7 @@ static int stmfts_probe(struct i2c_client *client, return err; pm_runtime_enable(&client->dev); + device_enable_async_suspend(&client->dev); return 0; } @@ -805,6 +806,7 @@ static struct i2c_driver stmfts_driver = { .name = STMFTS_DEV_NAME, .of_match_table = of_match_ptr(stmfts_of_match), .pm = &stmfts_pm_ops, + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = stmfts_probe, .remove = stmfts_remove,