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Sun, 03 Nov 2019 12:33:47 -0800 (PST) From: =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= To: Thierry Reding , =?UTF-8?q?=27Uwe=20Kleine-K=C3=B6nig=27?= , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai Subject: [PATCH v2 3/7] pwm: sun4i: Add an optional probe for bus clock Date: Sun, 3 Nov 2019 21:33:30 +0100 Message-Id: <20191103203334.10539-4-peron.clem@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191103203334.10539-1-peron.clem@gmail.com> References: <20191103203334.10539-1-peron.clem@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191103_123351_140071_EE8CED71 X-CRM114-Status: GOOD ( 14.39 ) 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, =?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 LmMgfCAzNiArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKIDEgZmlsZSBjaGFu Z2VkLCAzNiBpbnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9wd20vcHdtLXN1bjRp LmMgYi9kcml2ZXJzL3B3bS9wd20tc3VuNGkuYwppbmRleCBkMTk0YjhlYmRiMDAuLmI1ZTdhYzM2 NGY1OSAxMDA2NDQKLS0tIGEvZHJpdmVycy9wd20vcHdtLXN1bjRpLmMKKysrIGIvZHJpdmVycy9w d20vcHdtLXN1bjRpLmMKQEAgLTc4LDYgKzc4LDcgQEAgc3RydWN0IHN1bjRpX3B3bV9kYXRhIHsK IAogc3RydWN0IHN1bjRpX3B3bV9jaGlwIHsKIAlzdHJ1Y3QgcHdtX2NoaXAgY2hpcDsKKwlzdHJ1 Y3QgY2xrICpidXNfY2xrOwogCXN0cnVjdCBjbGsgKmNsazsKIAlzdHJ1Y3QgcmVzZXRfY29udHJv bCAqcnN0OwogCXZvaWQgX19pb21lbSAqYmFzZTsKQEAgLTM2Nyw2ICszNjgsMzEgQEAgc3RhdGlj IGludCBzdW40aV9wd21fcHJvYmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikKIAlpZiAo SVNfRVJSKHB3bS0+Y2xrKSkKIAkJcmV0dXJuIFBUUl9FUlIocHdtLT5jbGspOwogCisJLyogR2V0 IGFsbCBjbG9ja3MgYW5kIHJlc2V0IGxpbmUgKi8KKwlwd20tPmNsayA9IGRldm1fY2xrX2dldF9v cHRpb25hbCgmcGRldi0+ZGV2LCAibW9kIik7CisJaWYgKElTX0VSUihwd20tPmNsaykpIHsKKwkJ ZGV2X2VycigmcGRldi0+ZGV2LCAiZ2V0IGNsb2NrIGZhaWxlZCAlbGRcbiIsCisJCQlQVFJfRVJS KHB3bS0+Y2xrKSk7CisJCXJldHVybiBQVFJfRVJSKHB3bS0+Y2xrKTsKKwl9CisKKwkvKiBGYWxs YmFjayBmb3Igb2xkIGR0YnMgd2l0aCBhIHNpbmdsZSBjbG9jayBhbmQgbm8gbmFtZSAqLworCWlm ICghcHdtLT5jbGspIHsKKwkJcHdtLT5jbGsgPSBkZXZtX2Nsa19nZXQoJnBkZXYtPmRldiwgTlVM TCk7CisJCWlmIChJU19FUlIocHdtLT5jbGspKSB7CisJCQlkZXZfZXJyKCZwZGV2LT5kZXYsICJn ZXQgY2xvY2sgZmFpbGVkICVsZFxuIiwKKwkJCQlQVFJfRVJSKHB3bS0+Y2xrKSk7CisJCQlyZXR1 cm4gUFRSX0VSUihwd20tPmNsayk7CisJCX0KKwl9CisKKwlwd20tPmJ1c19jbGsgPSBkZXZtX2Ns a19nZXRfb3B0aW9uYWwoJnBkZXYtPmRldiwgImJ1cyIpOworCWlmIChJU19FUlIocHdtLT5idXNf Y2xrKSkgeworCQlkZXZfZXJyKCZwZGV2LT5kZXYsICJnZXQgYnVzX2Nsb2NrIGZhaWxlZCAlbGRc biIsCisJCQlQVFJfRVJSKHB3bS0+YnVzX2NsaykpOworCQlyZXR1cm4gUFRSX0VSUihwd20tPmJ1 c19jbGspOworCX0KKwogCXB3bS0+cnN0ID0gZGV2bV9yZXNldF9jb250cm9sX2dldF9vcHRpb25h bCgmcGRldi0+ZGV2LCBOVUxMKTsKIAlpZiAoSVNfRVJSKHB3bS0+cnN0KSkgewogCQlpZiAoUFRS X0VSUihwd20tPnJzdCkgPT0gLUVQUk9CRV9ERUZFUikKQEAgLTM4MSw2ICs0MDcsMTMgQEAgc3Rh dGljIGludCBzdW40aV9wd21fcHJvYmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikKIAkJ cmV0dXJuIHJldDsKIAl9CiAKKwkvKiBFbmFibGUgYnVzIGNsb2NrICovCisJcmV0ID0gY2xrX3By ZXBhcmVfZW5hYmxlKHB3bS0+YnVzX2Nsayk7CisJaWYgKHJldCkgeworCQlkZXZfZXJyKCZwZGV2 LT5kZXYsICJDYW5ub3QgcHJlcGFyZV9lbmFibGUgYnVzX2Nsa1xuIik7CisJCWdvdG8gZXJyX2J1 czsKKwl9CisKIAlwd20tPmNoaXAuZGV2ID0gJnBkZXYtPmRldjsKIAlwd20tPmNoaXAub3BzID0g JnN1bjRpX3B3bV9vcHM7CiAJcHdtLT5jaGlwLmJhc2UgPSAtMTsKQEAgLTQwMSw2ICs0MzQsOCBA QCBzdGF0aWMgaW50IHN1bjRpX3B3bV9wcm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2 KQogCXJldHVybiAwOwogCiBlcnJfcHdtX2FkZDoKKwljbGtfZGlzYWJsZV91bnByZXBhcmUocHdt LT5idXNfY2xrKTsKK2Vycl9idXM6CiAJcmVzZXRfY29udHJvbF9hc3NlcnQocHdtLT5yc3QpOwog CiAJcmV0dXJuIHJldDsKQEAgLTQxNSw2ICs0NTAsNyBAQCBzdGF0aWMgaW50IHN1bjRpX3B3bV9y ZW1vdmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikKIAlpZiAocmV0KQogCQlyZXR1cm4g cmV0OwogCisJY2xrX2Rpc2FibGVfdW5wcmVwYXJlKHB3bS0+YnVzX2Nsayk7CiAJcmVzZXRfY29u dHJvbF9hc3NlcnQocHdtLT5yc3QpOwogCiAJcmV0dXJuIDA7Ci0tIAoyLjIwLjEKCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVs IG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDov L2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==