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[2003:f1:33dd:a400:7cb8:8412:54cd:64fd]) by smtp.googlemail.com with ESMTPSA id o8sm12794540wra.4.2019.05.25.11.11.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 25 May 2019 11:11:55 -0700 (PDT) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, linux-pwm@vger.kernel.org, thierry.reding@gmail.com, u.kleine-koenig@pengutronix.de Subject: [PATCH 10/14] pwm: meson: simplify the calculation of the pre-divider and count Date: Sat, 25 May 2019 20:11:29 +0200 Message-Id: <20190525181133.4875-11-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190525181133.4875-1-martin.blumenstingl@googlemail.com> References: <20190525181133.4875-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190525_111157_756729_33423B01 X-CRM114-Status: GOOD ( 15.31 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Blumenstingl , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org UmVwbGFjZSB0aGUgbG9vcCB0byBjYWxjdWxhdGUgdGhlIHByZS1kaXZpZGVyIGFuZCBjb3VudCB3 aXRoIHR3bwpzZXBhcmF0ZSBkaXY2NF91NjQoKSBjYWxjdWxhdGlvbnMuIFRoaXMgbWFrZXMgdGhl IGNvZGUgZWFzaWVyIHRvIHJlYWQKYW5kIGltcHJvdmVzIHRoZSBwcmVjaXNpb24uCgpUd28gZXhh bXBsZSBjYXNlczoKMSkgMzIuNzY4a0h6IExQTyBjbG9jayBmb3IgdGhlIFNESU8gd2lmaSBjaGlw IG9uIEtoYWRhcyBWSU0KICAgY2xvY2sgaW5wdXQ6IDUwME1IeiAoRkNMS19ESVY0KQogICBwZXJp b2Q6IDMwNTE4bnMKICAgZHV0eSBjeWNsZTogMTUyNTlucwpvbGQgYWxnb3JpdGhtOiBwcmVfZGl2 PTAsIGNudD0xNTI1OQpuZXcgYWxnb3JpdGhtOiBwcmVfZGl2PTAsIGNudD0xNTI1OQoobm8gZGlm ZmVyZW5jZSBpbiBjYWxjdWxhdGVkIHZhbHVlcykKCjIpIFBXTSBMRUQgb24gS2hhZGFzIFZJTQog ICBjbG9jayBpbnB1dDogMjRNSHogKFhUQUwpCiAgIHBlcmlvZDogNzgxMjUwMG5zCiAgIGR1dHkg Y3ljbGU6IDc4MTI1MDBucwpvbGQgYWxnb3JpdGhtOiBwcmVfZGl2PTIsIGNudD02MjAwNApuZXcg YWxnb3JpdGhtOiBwcmVfZGl2PTIsIGNudD02MjUwMApVc2luZyBhIHNjb3BlICgyNE1IeiBzYW1w bGluZyByYXRlKSBzaG93cyB0aGUgYWN0dWFsIGRpZmZlcmVuY2U6Ci0gb2xkOiA3NzUzMDAwbnMs IG9mZiBieSAtNTk1MDBucyAoMC43NjE2JSkKLSBuZXc6IDc4MTUwMDBucywgb2ZmIGJ5ICsyNTAw bnMgKDAuMDMyJSkKClN1Z2dlc3RlZC1ieTogVXdlIEtsZWluZS1Lw7ZuaWcgPHUua2xlaW5lLWtv ZW5pZ0BwZW5ndXRyb25peC5kZT4KU2lnbmVkLW9mZi1ieTogTWFydGluIEJsdW1lbnN0aW5nbCA8 bWFydGluLmJsdW1lbnN0aW5nbEBnb29nbGVtYWlsLmNvbT4KLS0tCiBkcml2ZXJzL3B3bS9wd20t bWVzb24uYyB8IDI1ICsrKysrKysrKystLS0tLS0tLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAx MCBpbnNlcnRpb25zKCspLCAxNSBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL3B3 bS9wd20tbWVzb24uYyBiL2RyaXZlcnMvcHdtL3B3bS1tZXNvbi5jCmluZGV4IDI3OTE1ZDY0NzVl My4uOWFmYTFlNWFhZWJmIDEwMDY0NAotLS0gYS9kcml2ZXJzL3B3bS9wd20tbWVzb24uYworKysg Yi9kcml2ZXJzL3B3bS9wd20tbWVzb24uYwpAQCAtMTIsNiArMTIsNyBAQAogI2luY2x1ZGUgPGxp bnV4L2Vyci5oPgogI2luY2x1ZGUgPGxpbnV4L2lvLmg+CiAjaW5jbHVkZSA8bGludXgva2VybmVs Lmg+CisjaW5jbHVkZSA8bGludXgvbWF0aDY0Lmg+CiAjaW5jbHVkZSA8bGludXgvbW9kdWxlLmg+ CiAjaW5jbHVkZSA8bGludXgvb2YuaD4KICNpbmNsdWRlIDxsaW51eC9vZl9kZXZpY2UuaD4KQEAg LTE0NSw3ICsxNDYsNiBAQCBzdGF0aWMgaW50IG1lc29uX3B3bV9jYWxjKHN0cnVjdCBtZXNvbl9w d20gKm1lc29uLCBzdHJ1Y3QgcHdtX2RldmljZSAqcHdtLAogCXN0cnVjdCBtZXNvbl9wd21fY2hh bm5lbCAqY2hhbm5lbCA9IHB3bV9nZXRfY2hpcF9kYXRhKHB3bSk7CiAJdW5zaWduZWQgaW50IGR1 dHksIHBlcmlvZCwgcHJlX2RpdiwgY250LCBkdXR5X2NudDsKIAl1bnNpZ25lZCBsb25nIGZpbl9m cmVxID0gLTE7Ci0JdTY0IGZpbl9wczsKIAogCWR1dHkgPSBzdGF0ZS0+ZHV0eV9jeWNsZTsKIAlw ZXJpb2QgPSBzdGF0ZS0+cGVyaW9kOwpAQCAtMTY0LDI0ICsxNjQsMTkgQEAgc3RhdGljIGludCBt ZXNvbl9wd21fY2FsYyhzdHJ1Y3QgbWVzb25fcHdtICptZXNvbiwgc3RydWN0IHB3bV9kZXZpY2Ug KnB3bSwKIAl9CiAKIAlkZXZfZGJnKG1lc29uLT5jaGlwLmRldiwgImZpbl9mcmVxOiAlbHUgSHpc biIsIGZpbl9mcmVxKTsKLQlmaW5fcHMgPSAodTY0KU5TRUNfUEVSX1NFQyAqIDEwMDA7Ci0JZG9f ZGl2KGZpbl9wcywgZmluX2ZyZXEpOwotCi0JLyogQ2FsYyBwcmVfZGl2IHdpdGggdGhlIHBlcmlv ZCAqLwotCWZvciAocHJlX2RpdiA9IDA7IHByZV9kaXYgPD0gTUlTQ19DTEtfRElWX01BU0s7IHBy ZV9kaXYrKykgewotCQljbnQgPSBESVZfUk9VTkRfQ0xPU0VTVF9VTEwoKHU2NClwZXJpb2QgKiAx MDAwLAotCQkJCQkgICAgZmluX3BzICogKHByZV9kaXYgKyAxKSk7Ci0JCWRldl9kYmcobWVzb24t PmNoaXAuZGV2LCAiZmluX3BzPSVsbHUgcHJlX2Rpdj0ldSBjbnQ9JXVcbiIsCi0JCQlmaW5fcHMs IHByZV9kaXYsIGNudCk7Ci0JCWlmIChjbnQgPD0gMHhmZmZmKQotCQkJYnJlYWs7Ci0JfQogCisJ cHJlX2RpdiA9IGRpdjY0X3U2NChmaW5fZnJlcSAqICh1NjQpcGVyaW9kLCBOU0VDX1BFUl9TRUMg KiAweGZmZmZMTCk7CiAJaWYgKHByZV9kaXYgPiBNSVNDX0NMS19ESVZfTUFTSykgewogCQlkZXZf ZXJyKG1lc29uLT5jaGlwLmRldiwgInVuYWJsZSB0byBnZXQgcGVyaW9kIHByZV9kaXZcbiIpOwog CQlyZXR1cm4gLUVJTlZBTDsKIAl9CiAKKwljbnQgPSBkaXY2NF91NjQoZmluX2ZyZXEgKiAodTY0 KXBlcmlvZCwgTlNFQ19QRVJfU0VDICogKHByZV9kaXYgKyAxKSk7CisJaWYgKGNudCA+IDB4ZmZm ZikgeworCQlkZXZfZXJyKG1lc29uLT5jaGlwLmRldiwgInVuYWJsZSB0byBnZXQgcGVyaW9kIGNu dFxuIik7CisJCXJldHVybiAtRUlOVkFMOworCX0KKwogCWRldl9kYmcobWVzb24tPmNoaXAuZGV2 LCAicGVyaW9kPSV1IHByZV9kaXY9JXUgY250PSV1XG4iLCBwZXJpb2QsCiAJCXByZV9kaXYsIGNu dCk7CiAKQEAgLTE5NSw4ICsxOTAsOCBAQCBzdGF0aWMgaW50IG1lc29uX3B3bV9jYWxjKHN0cnVj dCBtZXNvbl9wd20gKm1lc29uLCBzdHJ1Y3QgcHdtX2RldmljZSAqcHdtLAogCQljaGFubmVsLT5s byA9IGNudDsKIAl9IGVsc2UgewogCQkvKiBUaGVuIGNoZWNrIGlzIHdlIGNhbiBoYXZlIHRoZSBk dXR5IHdpdGggdGhlIHNhbWUgcHJlX2RpdiAqLwotCQlkdXR5X2NudCA9IERJVl9ST1VORF9DTE9T RVNUX1VMTCgodTY0KWR1dHkgKiAxMDAwLAotCQkJCQkJIGZpbl9wcyAqIChwcmVfZGl2ICsgMSkp OworCQlkdXR5X2NudCA9IGRpdjY0X3U2NChmaW5fZnJlcSAqICh1NjQpZHV0eSwKKwkJCQkgICAg IE5TRUNfUEVSX1NFQyAqIChwcmVfZGl2ICsgMSkpOwogCQlpZiAoZHV0eV9jbnQgPiAweGZmZmYp IHsKIAkJCWRldl9lcnIobWVzb24tPmNoaXAuZGV2LCAidW5hYmxlIHRvIGdldCBkdXR5IGN5Y2xl XG4iKTsKIAkJCXJldHVybiAtRUlOVkFMOwotLSAKMi4yMS4wCgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYW1sb2dpYyBtYWlsaW5nIGxpc3QK bGludXgtYW1sb2dpY0BsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQu b3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYW1sb2dpYwo=