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[82.127.142.33]) by smtp.gmail.com with ESMTPSA id q25sm6662665wra.3.2019.11.08.00.45.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Nov 2019 00:45:28 -0800 (PST) From: =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= To: Thierry Reding , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Philipp Zabel Subject: [PATCH v4 3/7] pwm: sun4i: Add an optional probe for bus clock Date: Fri, 8 Nov 2019 09:45:13 +0100 Message-Id: <20191108084517.21617-4-peron.clem@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191108084517.21617-1-peron.clem@gmail.com> References: <20191108084517.21617-1-peron.clem@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191108_004531_109156_4AFABD82 X-CRM114-Status: GOOD ( 17.38 ) 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: linux-pwm@vger.kernel.org, Jernej Skrabec , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org RnJvbTogSmVybmVqIFNrcmFiZWMgPGplcm5lai5za3JhYmVjQHNpb2wubmV0PgoKSDYgUFdNIGNv cmUgbmVlZHMgYnVzIGNsb2NrIHRvIGJlIGVuYWJsZWQgaW4gb3JkZXIgdG8gd29yay4KCkFkZCBh biBvcHRpb25hbCBwcm9iZSBmb3IgaXQgYW5kIGEgZmFsbGJhY2sgZm9yIHByZXZpb3VzCmJpbmRp bmdzIHdpdGhvdXQgbmFtZSBvbiBtb2R1bGUgY2xvY2suCgpTaWduZWQtb2ZmLWJ5OiBKZXJuZWog U2tyYWJlYyA8amVybmVqLnNrcmFiZWNAc2lvbC5uZXQ+ClNpZ25lZC1vZmYtYnk6IENsw6ltZW50 IFDDqXJvbiA8cGVyb24uY2xlbUBnbWFpbC5jb20+Ci0tLQogZHJpdmVycy9wd20vcHdtLXN1bjRp LmMgfCA0OCArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKystLQogMSBmaWxl IGNoYW5nZWQsIDQ2IGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEv ZHJpdmVycy9wd20vcHdtLXN1bjRpLmMgYi9kcml2ZXJzL3B3bS9wd20tc3VuNGkuYwppbmRleCAy YjlhMmE3ODU5MWYuLmExMDAyMmQ2YzBmZCAxMDA2NDQKLS0tIGEvZHJpdmVycy9wd20vcHdtLXN1 bjRpLmMKKysrIGIvZHJpdmVycy9wd20vcHdtLXN1bjRpLmMKQEAgLTc4LDYgKzc4LDcgQEAgc3Ry dWN0IHN1bjRpX3B3bV9kYXRhIHsKIAogc3RydWN0IHN1bjRpX3B3bV9jaGlwIHsKIAlzdHJ1Y3Qg cHdtX2NoaXAgY2hpcDsKKwlzdHJ1Y3QgY2xrICpidXNfY2xrOwogCXN0cnVjdCBjbGsgKmNsazsK IAlzdHJ1Y3QgcmVzZXRfY29udHJvbCAqcnN0OwogCXZvaWQgX19pb21lbSAqYmFzZTsKQEAgLTM2 Myw5ICszNjQsMzggQEAgc3RhdGljIGludCBzdW40aV9wd21fcHJvYmUoc3RydWN0IHBsYXRmb3Jt X2RldmljZSAqcGRldikKIAlpZiAoSVNfRVJSKHB3bS0+YmFzZSkpCiAJCXJldHVybiBQVFJfRVJS KHB3bS0+YmFzZSk7CiAKLQlwd20tPmNsayA9IGRldm1fY2xrX2dldCgmcGRldi0+ZGV2LCBOVUxM KTsKLQlpZiAoSVNfRVJSKHB3bS0+Y2xrKSkKKwkvKiBHZXQgYWxsIGNsb2NrcyBhbmQgcmVzZXQg bGluZSAqLworCXB3bS0+Y2xrID0gZGV2bV9jbGtfZ2V0X29wdGlvbmFsKCZwZGV2LT5kZXYsICJt b2QiKTsKKwlpZiAoSVNfRVJSKHB3bS0+Y2xrKSkgeworCQlpZiAoUFRSX0VSUihwd20tPnJzdCkg IT0gLUVQUk9CRV9ERUZFUikKKwkJCWRldl9lcnIoJnBkZXYtPmRldiwgImdldCBjbG9jayBmYWls ZWQgJXBlXG4iLAorCQkJCXB3bS0+Y2xrKTsKIAkJcmV0dXJuIFBUUl9FUlIocHdtLT5jbGspOwor CX0KKworCS8qCisJICogRmFsbGJhY2sgZm9yIG9sZCBkdGJzIHdpdGggYSBzaW5nbGUgY2xvY2sg YW5kIG5vIG5hbWUuCisJICogSWYgYSBwYXJlbnQgaGFzIGEgY2xvY2stbmFtZSBjYWxsZWQgIm1v ZCIgd2hlcmVhcyB0aGUKKwkgKiBjdXJyZW50IG5vZGUgaXMgdW5uYW1lZCB0aGUgY2xvY2sgcmVm ZXJlbmNlIHdpbGwgYmUKKwkgKiBpbmNvcnJlY3RseSBvYnRhaW5lZCBhbmQgd2lsbCBub3QgZ28g aW50byB0aGlzIGZhbGxiYWNrLgorCSAqLworCWlmICghcHdtLT5jbGspIHsKKwkJcHdtLT5jbGsg PSBkZXZtX2Nsa19nZXQoJnBkZXYtPmRldiwgTlVMTCk7CisJCWlmIChJU19FUlIocHdtLT5jbGsp KSB7CisJCQlpZiAoUFRSX0VSUihwd20tPnJzdCkgIT0gLUVQUk9CRV9ERUZFUikKKwkJCQlkZXZf ZXJyKCZwZGV2LT5kZXYsICJnZXQgY2xvY2sgZmFpbGVkICVwZVxuIiwKKwkJCQkJcHdtLT5jbGsp OworCQkJcmV0dXJuIFBUUl9FUlIocHdtLT5jbGspOworCQl9CisJfQorCisJcHdtLT5idXNfY2xr ID0gZGV2bV9jbGtfZ2V0X29wdGlvbmFsKCZwZGV2LT5kZXYsICJidXMiKTsKKwlpZiAoSVNfRVJS KHB3bS0+YnVzX2NsaykpIHsKKwkJaWYgKFBUUl9FUlIocHdtLT5yc3QpICE9IC1FUFJPQkVfREVG RVIpCisJCQlkZXZfZXJyKCZwZGV2LT5kZXYsICJnZXQgYnVzX2Nsb2NrIGZhaWxlZCAlcGVcbiIs CisJCQkJcHdtLT5idXNfY2xrKTsKKwkJcmV0dXJuIFBUUl9FUlIocHdtLT5idXNfY2xrKTsKKwl9 CiAKIAlwd20tPnJzdCA9IGRldm1fcmVzZXRfY29udHJvbF9nZXRfb3B0aW9uYWxfc2hhcmVkKCZw ZGV2LT5kZXYsIE5VTEwpOwogCWlmIChJU19FUlIocHdtLT5yc3QpKSB7CkBAIC0zODIsNiArNDEy LDE3IEBAIHN0YXRpYyBpbnQgc3VuNGlfcHdtX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2Ug KnBkZXYpCiAJCXJldHVybiByZXQ7CiAJfQogCisJLyoKKwkgKiBXZSdyZSBrZWVwaW5nIHRoZSBi dXMgY2xvY2sgb24gZm9yIHRoZSBzYWtlIG9mIHNpbXBsaWNpdHkuCisJICogQWN0dWFsbHkgaXQg b25seSBuZWVkcyB0byBiZSBvbiBmb3IgaGFyZHdhcmUgcmVnaXN0ZXIKKwkgKiBhY2Nlc3Nlcy4K KwkgKi8KKwlyZXQgPSBjbGtfcHJlcGFyZV9lbmFibGUocHdtLT5idXNfY2xrKTsKKwlpZiAocmV0 KSB7CisJCWRldl9lcnIoJnBkZXYtPmRldiwgIkNhbm5vdCBwcmVwYXJlIGFuZCBlbmFibGUgYnVz X2Nsa1xuIik7CisJCWdvdG8gZXJyX2J1czsKKwl9CisKIAlwd20tPmNoaXAuZGV2ID0gJnBkZXYt PmRldjsKIAlwd20tPmNoaXAub3BzID0gJnN1bjRpX3B3bV9vcHM7CiAJcHdtLT5jaGlwLmJhc2Ug PSAtMTsKQEAgLTQwMiw2ICs0NDMsOCBAQCBzdGF0aWMgaW50IHN1bjRpX3B3bV9wcm9iZShzdHJ1 Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQogCXJldHVybiAwOwogCiBlcnJfcHdtX2FkZDoKKwlj bGtfZGlzYWJsZV91bnByZXBhcmUocHdtLT5idXNfY2xrKTsKK2Vycl9idXM6CiAJcmVzZXRfY29u dHJvbF9hc3NlcnQocHdtLT5yc3QpOwogCiAJcmV0dXJuIHJldDsKQEAgLTQxNiw2ICs0NTksNyBA QCBzdGF0aWMgaW50IHN1bjRpX3B3bV9yZW1vdmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRl dikKIAlpZiAocmV0KQogCQlyZXR1cm4gcmV0OwogCisJY2xrX2Rpc2FibGVfdW5wcmVwYXJlKHB3 bS0+YnVzX2Nsayk7CiAJcmVzZXRfY29udHJvbF9hc3NlcnQocHdtLT5yc3QpOwogCiAJcmV0dXJu IDA7Ci0tIAoyLjIwLjEKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxp c3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0 aW5mby9saW51eC1hcm0ta2VybmVsCg==