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Thu, 21 Nov 2019 11:59:14 -0800 (PST) From: =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= To: Thierry Reding , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Maxime Ripard , Chen-Yu Tsai , Philipp Zabel Subject: [PATCH v8 4/6] pwm: sun4i: Always calculate params when applying new parameters Date: Thu, 21 Nov 2019 20:59:00 +0100 Message-Id: <20191121195902.6906-5-peron.clem@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191121195902.6906-1-peron.clem@gmail.com> References: <20191121195902.6906-1-peron.clem@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191121_115916_637210_1389A18F X-CRM114-Status: GOOD ( 15.84 ) 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, linux-sunxi@googlegroups.com, =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= , linux-kernel@vger.kernel.org, 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 QnlwYXNzIG1vZGUgd2lsbCByZXF1aXJlIHRvIGJlIHJlLWNhbGN1bGF0ZWQgd2hlbiB0aGUgcHdt IHN0YXRlCmlzIGNoYW5nZWQuCgpSZW1vdmUgdGhlIGNvbmRpdGlvbiBzbyBwd21fc3VuNGlfY2Fs Y3VsYXRlIGlzIGFsd2F5cyBjYWxsZWQuCgpTaWduZWQtb2ZmLWJ5OiBDbMOpbWVudCBQw6lyb24g PHBlcm9uLmNsZW1AZ21haWwuY29tPgotLS0KIGRyaXZlcnMvcHdtL3B3bS1zdW40aS5jIHwgNTIg KysrKysrKysrKysrKysrKysrLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2Vk LCAyMyBpbnNlcnRpb25zKCspLCAyOSBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJz L3B3bS9wd20tc3VuNGkuYyBiL2RyaXZlcnMvcHdtL3B3bS1zdW40aS5jCmluZGV4IDY2YmVmZDhk NmY5Yy4uMWZhMjA1NzQxOWZiIDEwMDY0NAotLS0gYS9kcml2ZXJzL3B3bS9wd20tc3VuNGkuYwor KysgYi9kcml2ZXJzL3B3bS9wd20tc3VuNGkuYwpAQCAtMjAyLDkgKzIwMiw5IEBAIHN0YXRpYyBp bnQgc3VuNGlfcHdtX2FwcGx5KHN0cnVjdCBwd21fY2hpcCAqY2hpcCwgc3RydWN0IHB3bV9kZXZp Y2UgKnB3bSwKIHsKIAlzdHJ1Y3Qgc3VuNGlfcHdtX2NoaXAgKnN1bjRpX3B3bSA9IHRvX3N1bjRp X3B3bV9jaGlwKGNoaXApOwogCXN0cnVjdCBwd21fc3RhdGUgY3N0YXRlOwotCXUzMiBjdHJsOwor CXUzMiBjdHJsLCBkdXR5LCBwZXJpb2QsIHZhbDsKIAlpbnQgcmV0OwotCXVuc2lnbmVkIGludCBk ZWxheV91czsKKwl1bnNpZ25lZCBpbnQgZGVsYXlfdXMsIHByZXNjYWxlcjsKIAl1bnNpZ25lZCBs b25nIG5vdzsKIAogCXB3bV9nZXRfc3RhdGUocHdtLCAmY3N0YXRlKTsKQEAgLTIyMCw0MyArMjIw LDM3IEBAIHN0YXRpYyBpbnQgc3VuNGlfcHdtX2FwcGx5KHN0cnVjdCBwd21fY2hpcCAqY2hpcCwg c3RydWN0IHB3bV9kZXZpY2UgKnB3bSwKIAlzcGluX2xvY2soJnN1bjRpX3B3bS0+Y3RybF9sb2Nr KTsKIAljdHJsID0gc3VuNGlfcHdtX3JlYWRsKHN1bjRpX3B3bSwgUFdNX0NUUkxfUkVHKTsKIAot CWlmICgoY3N0YXRlLnBlcmlvZCAhPSBzdGF0ZS0+cGVyaW9kKSB8fAotCSAgICAoY3N0YXRlLmR1 dHlfY3ljbGUgIT0gc3RhdGUtPmR1dHlfY3ljbGUpKSB7Ci0JCXUzMiBwZXJpb2QsIGR1dHksIHZh bDsKLQkJdW5zaWduZWQgaW50IHByZXNjYWxlcjsKLQotCQlyZXQgPSBzdW40aV9wd21fY2FsY3Vs YXRlKHN1bjRpX3B3bSwgc3RhdGUsCi0JCQkJCSAgJmR1dHksICZwZXJpb2QsICZwcmVzY2FsZXIp OwotCQlpZiAocmV0KSB7Ci0JCQlkZXZfZXJyKGNoaXAtPmRldiwgInBlcmlvZCBleGNlZWRzIHRo ZSBtYXhpbXVtIHZhbHVlXG4iKTsKLQkJCXNwaW5fdW5sb2NrKCZzdW40aV9wd20tPmN0cmxfbG9j ayk7Ci0JCQlpZiAoIWNzdGF0ZS5lbmFibGVkKQotCQkJCWNsa19kaXNhYmxlX3VucHJlcGFyZShz dW40aV9wd20tPmNsayk7Ci0JCQlyZXR1cm4gcmV0OwotCQl9Ci0KLQkJaWYgKFBXTV9SRUdfUFJF U0NBTChjdHJsLCBwd20tPmh3cHdtKSAhPSBwcmVzY2FsZXIpIHsKLQkJCS8qIFByZXNjYWxlciBj aGFuZ2VkLCB0aGUgY2xvY2sgaGFzIHRvIGJlIGdhdGVkICovCi0JCQljdHJsICY9IH5CSVRfQ0go UFdNX0NMS19HQVRJTkcsIHB3bS0+aHdwd20pOwotCQkJc3VuNGlfcHdtX3dyaXRlbChzdW40aV9w d20sIGN0cmwsIFBXTV9DVFJMX1JFRyk7CisJcmV0ID0gc3VuNGlfcHdtX2NhbGN1bGF0ZShzdW40 aV9wd20sIHN0YXRlLCAmZHV0eSwgJnBlcmlvZCwgJnByZXNjYWxlcik7CisJaWYgKHJldCkgewor CQlkZXZfZXJyKGNoaXAtPmRldiwgInBlcmlvZCBleGNlZWRzIHRoZSBtYXhpbXVtIHZhbHVlXG4i KTsKKwkJc3Bpbl91bmxvY2soJnN1bjRpX3B3bS0+Y3RybF9sb2NrKTsKKwkJaWYgKCFjc3RhdGUu ZW5hYmxlZCkKKwkJCWNsa19kaXNhYmxlX3VucHJlcGFyZShzdW40aV9wd20tPmNsayk7CisJCXJl dHVybiByZXQ7CisJfQogCi0JCQljdHJsICY9IH5CSVRfQ0goUFdNX1BSRVNDQUxfTUFTSywgcHdt LT5od3B3bSk7Ci0JCQljdHJsIHw9IEJJVF9DSChwcmVzY2FsZXIsIHB3bS0+aHdwd20pOwotCQl9 CisJaWYgKFBXTV9SRUdfUFJFU0NBTChjdHJsLCBwd20tPmh3cHdtKSAhPSBwcmVzY2FsZXIpIHsK KwkJLyogUHJlc2NhbGVyIGNoYW5nZWQsIHRoZSBjbG9jayBoYXMgdG8gYmUgZ2F0ZWQgKi8KKwkJ Y3RybCAmPSB+QklUX0NIKFBXTV9DTEtfR0FUSU5HLCBwd20tPmh3cHdtKTsKKwkJc3VuNGlfcHdt X3dyaXRlbChzdW40aV9wd20sIGN0cmwsIFBXTV9DVFJMX1JFRyk7CiAKLQkJdmFsID0gKGR1dHkg JiBQV01fRFRZX01BU0spIHwgUFdNX1BSRChwZXJpb2QpOwotCQlzdW40aV9wd21fd3JpdGVsKHN1 bjRpX3B3bSwgdmFsLCBQV01fQ0hfUFJEKHB3bS0+aHdwd20pKTsKLQkJc3VuNGlfcHdtLT5uZXh0 X3BlcmlvZFtwd20tPmh3cHdtXSA9IGppZmZpZXMgKwotCQkJdXNlY3NfdG9famlmZmllcyhjc3Rh dGUucGVyaW9kIC8gMTAwMCArIDEpOwotCQlzdW40aV9wd20tPm5lZWRzX2RlbGF5W3B3bS0+aHdw d21dID0gdHJ1ZTsKKwkJY3RybCAmPSB+QklUX0NIKFBXTV9QUkVTQ0FMX01BU0ssIHB3bS0+aHdw d20pOworCQljdHJsIHw9IEJJVF9DSChwcmVzY2FsZXIsIHB3bS0+aHdwd20pOwogCX0KIAorCXZh bCA9IChkdXR5ICYgUFdNX0RUWV9NQVNLKSB8IFBXTV9QUkQocGVyaW9kKTsKKwlzdW40aV9wd21f d3JpdGVsKHN1bjRpX3B3bSwgdmFsLCBQV01fQ0hfUFJEKHB3bS0+aHdwd20pKTsKKwlzdW40aV9w d20tPm5leHRfcGVyaW9kW3B3bS0+aHdwd21dID0gamlmZmllcyArCisJCXVzZWNzX3RvX2ppZmZp ZXMoY3N0YXRlLnBlcmlvZCAvIDEwMDAgKyAxKTsKKwlzdW40aV9wd20tPm5lZWRzX2RlbGF5W3B3 bS0+aHdwd21dID0gdHJ1ZTsKKwogCWlmIChzdGF0ZS0+cG9sYXJpdHkgIT0gUFdNX1BPTEFSSVRZ X05PUk1BTCkKIAkJY3RybCAmPSB+QklUX0NIKFBXTV9BQ1RfU1RBVEUsIHB3bS0+aHdwd20pOwog CWVsc2UKIAkJY3RybCB8PSBCSVRfQ0goUFdNX0FDVF9TVEFURSwgcHdtLT5od3B3bSk7CiAKIAlj dHJsIHw9IEJJVF9DSChQV01fQ0xLX0dBVElORywgcHdtLT5od3B3bSk7CisKIAlpZiAoc3RhdGUt PmVuYWJsZWQpIHsKIAkJY3RybCB8PSBCSVRfQ0goUFdNX0VOLCBwd20tPmh3cHdtKTsKIAl9IGVs c2UgaWYgKCFzdW40aV9wd20tPm5lZWRzX2RlbGF5W3B3bS0+aHdwd21dKSB7Ci0tIAoyLjIwLjEK CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1h cm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5v cmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0t a2VybmVsCg==