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Terpstra" Subject: [PATCH 3/7] pwm: sifive: Reduce time the controller lock is held Date: Thu, 21 Jul 2022 12:31:25 +0200 Message-Id: <20220721103129.304697-3-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220721103129.304697-1-u.kleine-koenig@pengutronix.de> References: <20220721103129.304697-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2153; h=from:subject; bh=J40tL02o9FO4AFx8pwx3mZeFbRQCIoDJSyD9wHvo7Bo=; b=owEBbQGS/pANAwAKAcH8FHityuwJAcsmYgBi2Srys/0egwS0iYQbrd+sk9wZXWLS+eWFR8ARYEas Y8+EXc2JATMEAAEKAB0WIQR+cioWkBis/z50pAvB/BR4rcrsCQUCYtkq8gAKCRDB/BR4rcrsCcG1B/ 4ipirIA6LplygiukGiSZZJ+OP+ym5swDwJGcI5D7TWYk/jD+kmQTsvzSnbG2mCSIP16fp1MyZKacCf 96W3WZvxXLQBs4XkAP60pZ2YX/5puZJE77TNMepcAAD18FENyT6EwnfYeeWy3Ben9qjUepVX3iyhhR 7qIlP6yK+fkUnH7ml5OgvkVCTf3sOwYoMoiEEPafbAMlJImjxDxy0OvQagk4X9KQCYkxBfJ8Y4QpUM goss5DoYNMsC3TruNIMaLoeWecmB6+mZgTh3xNE8vgg+4KqT4yQyW1BrjVzIjhhiWAX3a1ZkGJ4X+q FmnEpj4OvVzXhVtxEisAM8PTwPpApB X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-riscv@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220721_033147_575450_E974A2EB X-CRM114-Status: GOOD ( 14.04 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org VGhlIGxvY2sgaXMgb25seSB0byBzZXJpYWxpemUgYWNjZXNzIGFuZCB1cGRhdGUgdG8gdXNlcl9j b3VudCBhbmQKYXBwcm94X3BlcmlvZCBiZXR3ZWVuIGRpZmZlcmVudCBQV01zIHNlcnZlZCBieSB0 aGUgc2FtZSBwd21fY2hpcC4KU28gdGhlIGxvY2sgbmVlZHMgb25seSB0byBiZSB0YWtlbiBkdXJp bmcgdGhlIGNoZWNrIGlmIHRoZSAoY2hpcCBnbG9iYWwpCnBlcmlvZCBjYW4gYW5kL29yIG5lZWRz IHRvIGJlIGNoYW5nZWQuCgpTaWduZWQtb2ZmLWJ5OiBVd2UgS2xlaW5lLUvDtm5pZyA8dS5rbGVp bmUta29lbmlnQHBlbmd1dHJvbml4LmRlPgotLS0KIGRyaXZlcnMvcHdtL3B3bS1zaWZpdmUuYyB8 IDggKysrKystLS0KIDEgZmlsZSBjaGFuZ2VkLCA1IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25z KC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9wd20vcHdtLXNpZml2ZS5jIGIvZHJpdmVycy9wd20v cHdtLXNpZml2ZS5jCmluZGV4IDkxY2Y5MGJkNDA4My4uNjAxN2UzMTFhODc5IDEwMDY0NAotLS0g YS9kcml2ZXJzL3B3bS9wd20tc2lmaXZlLmMKKysrIGIvZHJpdmVycy9wd20vcHdtLXNpZml2ZS5j CkBAIC00MSw3ICs0MSw3IEBACiAKIHN0cnVjdCBwd21fc2lmaXZlX2RkYXRhIHsKIAlzdHJ1Y3Qg cHdtX2NoaXAJY2hpcDsKLQlzdHJ1Y3QgbXV0ZXggbG9jazsgLyogbG9jayB0byBwcm90ZWN0IHVz ZXJfY291bnQgKi8KKwlzdHJ1Y3QgbXV0ZXggbG9jazsgLyogbG9jayB0byBwcm90ZWN0IHVzZXJf Y291bnQgYW5kIGFwcHJveF9wZXJpb2QgKi8KIAlzdHJ1Y3Qgbm90aWZpZXJfYmxvY2sgbm90aWZp ZXI7CiAJc3RydWN0IGNsayAqY2xrOwogCXZvaWQgX19pb21lbSAqcmVnczsKQEAgLTc2LDYgKzc2 LDcgQEAgc3RhdGljIHZvaWQgcHdtX3NpZml2ZV9mcmVlKHN0cnVjdCBwd21fY2hpcCAqY2hpcCwg c3RydWN0IHB3bV9kZXZpY2UgKnB3bSkKIAltdXRleF91bmxvY2soJmRkYXRhLT5sb2NrKTsKIH0K IAorLyogQ2FsbGVkIGhvbGRpbmcgZGRhdGEtPmxvY2sgKi8KIHN0YXRpYyB2b2lkIHB3bV9zaWZp dmVfdXBkYXRlX2Nsb2NrKHN0cnVjdCBwd21fc2lmaXZlX2RkYXRhICpkZGF0YSwKIAkJCQkgICAg dW5zaWduZWQgbG9uZyByYXRlKQogewpAQCAtMTQ0LDcgKzE0NSw2IEBAIHN0YXRpYyBpbnQgcHdt X3NpZml2ZV9hcHBseShzdHJ1Y3QgcHdtX2NoaXAgKmNoaXAsIHN0cnVjdCBwd21fZGV2aWNlICpw d20sCiAJCXJldHVybiByZXQ7CiAJfQogCi0JbXV0ZXhfbG9jaygmZGRhdGEtPmxvY2spOwogCWN1 cl9zdGF0ZSA9IHB3bS0+c3RhdGU7CiAJZW5hYmxlZCA9IGN1cl9zdGF0ZS5lbmFibGVkOwogCkBA IC0xNjMsMTQgKzE2MywxNyBAQCBzdGF0aWMgaW50IHB3bV9zaWZpdmVfYXBwbHkoc3RydWN0IHB3 bV9jaGlwICpjaGlwLCBzdHJ1Y3QgcHdtX2RldmljZSAqcHdtLAogCS8qIFRoZSBoYXJkd2FyZSBj YW5ub3QgZ2VuZXJhdGUgYSAxMDAlIGR1dHkgY3ljbGUgKi8KIAlmcmFjID0gbWluKGZyYWMsICgx VSA8PCBQV01fU0lGSVZFX0NNUFdJRFRIKSAtIDEpOwogCisJbXV0ZXhfbG9jaygmZGRhdGEtPmxv Y2spOwogCWlmIChzdGF0ZS0+cGVyaW9kICE9IGRkYXRhLT5hcHByb3hfcGVyaW9kKSB7CiAJCWlm IChkZGF0YS0+dXNlcl9jb3VudCAhPSAxKSB7CisJCQltdXRleF91bmxvY2soJmRkYXRhLT5sb2Nr KTsKIAkJCXJldCA9IC1FQlVTWTsKIAkJCWdvdG8gZXhpdDsKIAkJfQogCQlkZGF0YS0+YXBwcm94 X3BlcmlvZCA9IHN0YXRlLT5wZXJpb2Q7CiAJCXB3bV9zaWZpdmVfdXBkYXRlX2Nsb2NrKGRkYXRh LCBjbGtfZ2V0X3JhdGUoZGRhdGEtPmNsaykpOwogCX0KKwltdXRleF91bmxvY2soJmRkYXRhLT5s b2NrKTsKIAogCXdyaXRlbChmcmFjLCBkZGF0YS0+cmVncyArIFBXTV9TSUZJVkVfUFdNQ01QKHB3 bS0+aHdwd20pKTsKIApAQCAtMTg1LDcgKzE4OCw2IEBAIHN0YXRpYyBpbnQgcHdtX3NpZml2ZV9h cHBseShzdHJ1Y3QgcHdtX2NoaXAgKmNoaXAsIHN0cnVjdCBwd21fZGV2aWNlICpwd20sCiAKIGV4 aXQ6CiAJY2xrX2Rpc2FibGUoZGRhdGEtPmNsayk7Ci0JbXV0ZXhfdW5sb2NrKCZkZGF0YS0+bG9j ayk7CiAJcmV0dXJuIHJldDsKIH0KIAotLSAKMi4zNi4xCgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4 LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFp bG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo=