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Tue, 19 Jan 2021 16:12:41 +0000 Received: from mailout.easymail.ca ([64.68.200.34]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l1tcU-0000iK-Iu; Tue, 19 Jan 2021 16:12:39 +0000 Received: from localhost (localhost [127.0.0.1]) by mailout.easymail.ca (Postfix) with ESMTP id 31B8E2507D; Tue, 19 Jan 2021 16:12:36 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at emo06-pco.easydns.vpn Received: from mailout.easymail.ca ([127.0.0.1]) by localhost (emo06-pco.easydns.vpn [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Jj9WNVIByI26; Tue, 19 Jan 2021 16:12:35 +0000 (UTC) Received: from localhost.localdomain (unknown [108.162.141.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mailout.easymail.ca (Postfix) with ESMTPSA id CE5382502E; Tue, 19 Jan 2021 16:12:18 +0000 (UTC) From: Simon South To: tpiepho@gmail.com, thierry.reding@gmail.com, u.kleine-koenig@pengutronix.de, robin.murphy@arm.com, lee.jones@linaro.org, heiko@sntech.de, bbrezillon@kernel.org, david.wu@rock-chips.com, steven.liu@rock-chips.com, linux-pwm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: [PATCH v4 0/5] pwm: rockchip: Eliminate potential race condition when probing Date: Tue, 19 Jan 2021 11:12:04 -0500 Message-Id: X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210119_111238_627560_DE322321 X-CRM114-Status: GOOD ( 17.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: simon@simonsouth.net Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org VGhpcyBwYXRjaCBzZXJpZXMgZWxpbWluYXRlcyB0aGUgcmFjZSBjb25kaXRpb24gVHJlbnQgUGll cGhvCmlkZW50aWZpZWRbMF0gaW4gdGhlIFJvY2tjaGlwIFBXTSBkcml2ZXIncyByb2NrY2hpcF9w d21fcHJvYmUoKQpmdW5jdGlvbiwgYnkgbW92aW5nIGNvZGUgdGhhdCBjaGVja3Mgd2hldGhlciBh IGRldmljZSBpcyBlbmFibGVkIGFoZWFkCm9mIHRoZSBjb2RlIHRoYXQgcmVnaXN0ZXJzIGl0IHZp YSBwd21jaGlwX2FkZCgpLgoKSXQgaW5jbHVkZXMgc2V2ZXJhbCBvdGhlciBzbWFsbCBmaXhlcyBh bmQgaW1wcm92ZW1lbnRzIHRvIHRoZSBkcml2ZXIKYXMgd2VsbDogSXQgYWxzbwoKLSBGaXhlcyBh IHBvdGVudGlhbCBrZXJuZWwgaGFuZyBpbnRyb2R1Y2VkIGJ5IG15IGVhcmxpZXIgY29tbWl0CiAg NDU3Zjc0YWJiZWQwICgicHdtOiByb2NrY2hpcDogS2VlcCBlbmFibGVkIFBXTXMgcnVubmluZyB3 aGlsZQogIHByb2JpbmciKSBieSBlbnN1cmluZyBhIGRldmljZSdzIEFQQiBjbG9jayBpcyBlbmFi bGVkIGJlZm9yZSBpdHMKICByZWdpc3RlcnMgYXJlIGFjY2Vzc2VkOwoKLSBSZW1vdmVzIGEgc3Vw ZXJmbHVvdXMgY2FsbCB0byBjbGtfdW5wcmVwYXJlKCkgdGhhdCBjb3VsZCBwcm9kdWNlCiAgd2Fy bmluZ3MgZnJvbSB0aGUga2VybmVsOwoKLSBDbGFyaWZpZXMgZXJyb3IgbWVzc2FnZXMgZnJvbSB0 aGUgZHJpdmVyIGJ5IHJlcGxhY2luZyAiYnVzIGNsayIgd2l0aAogICJQV00gY2xrIjsgYW5kCgot IEVuc3VyZXMgdGhlIGRyaXZlciBlbmFibGVzIGEgY2xvY2sgYmVmb3JlIHF1ZXJ5aW5nIGl0cyBy YXRlIHdpdGgKICBjbGtfZ2V0X3JhdGUoKSwgYXMgc3RhdGVkIGFzIGEgcmVxdWlyZW1lbnQgaW4g dGhhdCBmdW5jdGlvbidzCiAgZG9jdW1lbnRhdGlvbi4KClRoaXMgdmVyc2lvbiBvZiB0aGUgc2Vy aWVzIGluY29ycG9yYXRlcyBVd2UgS2xlaW5lLUvDtm5pZydzIGZlZWRiYWNrIG9uCnYzIGFuZCBp bmNsdWRlcyB0aGVzZSBjaGFuZ2VzOgoKLSBQYXRjaCAxJ3MgY29tbWl0IG1lc3NhZ2UgaGFzIGJl ZW4gZWRpdGVkIHNsaWdodGx5IHRvIGltcHJvdmUKICByZWFkYWJpbGl0eSwgYW5kIHRoZSBlcnJv ciBtZXNzYWdlIHVwZGF0ZWQgYnkgdGhlIHBhdGNoIG5vdyByZWFkcwogICJwcmVwYXJlIGVuYWJs ZSIgcmF0aGVyIHRoYW4ganVzdCAiZW5hYmxlIiBmb3IgY29uc2lzdGVuY3kgd2l0aCB0aGUKICBl cnJvciBtZXNzYWdlIGFib3ZlIGl0IGluIHRoZSBjb2RlLgoKLSBQYXRjaCAzJ3MgY29tbWl0IG1l c3NhZ2Ugbm93IG1lbnRpb25zIGNvbnNpc3RlbmN5IHdpdGggdGhlIGRldmljZQogIHRyZWUuCgot IFBhdGNoIDQgaGFzIGJlZW4gc2ltcGxpZmllZCBhbmQgbm93IGp1c3QgbW92ZXMgdGhlIGRldmlj ZS1lbmFibGVkCiAgY2hlY2sgYWhlYWQgb2YgdGhlIGNhbGwgdG8gcHdtY2hpcF9hZGQoKS4gSXQg bm8gbG9uZ2VycyBjaGFuZ2VzIGFueQogIGVycm9yLWhhbmRsaW5nIGJlaGF2aW91ciwgYW5kIGFu IGV4dHJhbmVvdXMgcGFpciBvZiBwYXJlbnRoZXNlcyBoYXMKICBiZWVuIHJlbW92ZWQuCgpQYXRj aGVzIDIgYW5kIDUgYXJlIHVuY2hhbmdlZCBmcm9tIHYzLCB3aGlsZSB0aGUgcmVtYWluaW5nIDIg cGF0Y2hlcwpwcmVzZW50IGluIHYzICh3aGljaCByZW1vdmVkIGdvdG8gdGFyZ2V0cyBmcm9tIGFu ZCByZW9yZGVyZWQgc29tZQpvcGVyYXRpb25zIGluIHJvY2tjaGlwX3B3bV9wcm9iZSgpKSBoYXZl IGJlZW4gZHJvcHBlZC4KCkkndmUgdGVzdGVkIHRoZXNlIGNoYW5nZXMgb24gbXkgUGluZWJvb2sg UHJvIChSSzMzOTkgd2l0aCBhIFBXTS1kcml2ZW4KYmFja2xpZ2h0IGVuYWJsZWQgYnkgVS1Cb290 KSBhbmQgUk9DSzY0IChSSzMzMjgpIGFuZCB0aGV5IGFwcGVhciB0bwp3b3JrIGZpbmUuCgpbMF0g aHR0cHM6Ly93d3cuc3Bpbmljcy5uZXQvbGlzdHMvbGludXgtcHdtL21zZzE0NjExLmh0bWwKCi0t ClNpbW9uIFNvdXRoCnNpbW9uQHNpbW9uc291dGgubmV0CgoKU2ltb24gU291dGggKDUpOgogIHB3 bTogcm9ja2NoaXA6IEVuYWJsZSBBUEIgY2xvY2sgZHVyaW5nIHJlZ2lzdGVyIGFjY2VzcyB3aGls ZSBwcm9iaW5nCiAgcHdtOiByb2NrY2hpcDogcm9ja2NoaXBfcHdtX3Byb2JlKCk6IFJlbW92ZSBz dXBlcmZsdW91cwogICAgY2xrX3VucHJlcGFyZSgpCiAgcHdtOiByb2NrY2hpcDogUmVwbGFjZSAi YnVzIGNsayIgd2l0aCAiUFdNIGNsayIKICBwd206IHJvY2tjaGlwOiBFbGltaW5hdGUgcG90ZW50 aWFsIHJhY2UgY29uZGl0aW9uIHdoZW4gcHJvYmluZwogIHB3bTogcm9ja2NoaXA6IEVuYWJsZSBj bG9jayBiZWZvcmUgY2FsbGluZyBjbGtfZ2V0X3JhdGUoKQoKIGRyaXZlcnMvcHdtL3B3bS1yb2Nr Y2hpcC5jIHwgMzIgKysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0KIDEgZmlsZSBjaGFu Z2VkLCAyMyBpbnNlcnRpb25zKCspLCA5IGRlbGV0aW9ucygtKQoKLS0gCjIuMzAuMAoKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJu ZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRw Oi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK