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[194.187.74.233]) by smtp.gmail.com with ESMTPSA id 22-20020a170906301600b006f52dbc192bsm1490672ejz.37.2022.06.11.13.47.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Jun 2022 13:47:09 -0700 (PDT) From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= To: Srinivas Kandagatla , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: Tom Rini , Ahmad Fatoum , linux-arm-kernel@lists.infradead.org, u-boot@lists.denx.de, devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Subject: [PATCH V3 1/2] mtd: allow getting MTD device associated with a specific DT node Date: Sat, 11 Jun 2022 22:46:50 +0200 Message-Id: <20220611204651.19947-1-zajec5@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220611_134712_565758_F2E4BB83 X-CRM114-Status: GOOD ( 13.20 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org RnJvbTogUmFmYcWCIE1pxYJlY2tpIDxyYWZhbEBtaWxlY2tpLnBsPgoKTVREIHN1YnN5c3RlbSBB UEkgYWxsb3dzIGludGVyYWN0aW5nIHdpdGggTVREIGRldmljZXMgKGUuZy4gcmVhZGluZywKd3Jp dGluZywgaGFuZGxpbmcgYmFkIGJsb2NrcykuIFNvIGZhciBhIHJhbmRvbSBkcml2ZXIgY291bGQg Z2V0IE1URApkZXZpY2Ugb25seSBieSBpdHMgbmFtZSAoZ2V0X210ZF9kZXZpY2Vfbm0oKSkuIFRo aXMgY2hhbmdlIGFsbG93cwpnZXR0aW5nIHRoZW0gYWxzbyBieSBhIERUIG5vZGUuCgpUaGlzIEFQ SSBpcyByZXF1aXJlZCBmb3IgZHJpdmVycyBoYW5kbGluZyBEVCBkZWZpbmVkIE1URCBwYXJ0aXRp b25zIGluIGEKc3BlY2lmaWMgd2F5IChlLmcuIFUtQm9vdCAoc3ViKXBhcnRpdGlvbiB3aXRoIGVu dmlyb25tZW50IHZhcmlhYmxlcykuCgpTaWduZWQtb2ZmLWJ5OiBSYWZhxYIgTWnFgmVja2kgPHJh ZmFsQG1pbGVja2kucGw+Ci0tLQpWMzogRmlyc3QgaW50cm9kdWN0aW9uIG9mIG9mX2dldF9tdGRf ZGV2aWNlX2J5X25vZGUoKQoKbXRkIG1haW50YWluZXJzOiBwbGVhc2UgbGV0IGtub3cgaG93IHdv dWxkIHlvdSBsaWtlIHRoaXMgcGF0Y2gKcHJvY2Vzc2VkLiBXb3VsZCB0aGF0IGJlIE9LIGZvciB5 b3UgdG8gUmV2aWV3L0FjayBpdCBhbmQgbGV0IGl0IGdvCnRocm91Z2ggTlZNRU0gdHJlZT8KLS0t CiBkcml2ZXJzL210ZC9tdGRjb3JlLmMgICB8IDI4ICsrKysrKysrKysrKysrKysrKysrKysrKysr KysKIGluY2x1ZGUvbGludXgvbXRkL210ZC5oIHwgIDEgKwogMiBmaWxlcyBjaGFuZ2VkLCAyOSBp bnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9tdGQvbXRkY29yZS5jIGIvZHJpdmVy cy9tdGQvbXRkY29yZS5jCmluZGV4IDllYjA2ODBkYjMxMi4uN2RjMjE0MjcxYzg1IDEwMDY0NAot LS0gYS9kcml2ZXJzL210ZC9tdGRjb3JlLmMKKysrIGIvZHJpdmVycy9tdGQvbXRkY29yZS5jCkBA IC0xMTU0LDYgKzExNTQsMzQgQEAgaW50IF9fZ2V0X210ZF9kZXZpY2Uoc3RydWN0IG10ZF9pbmZv ICptdGQpCiB9CiBFWFBPUlRfU1lNQk9MX0dQTChfX2dldF9tdGRfZGV2aWNlKTsKIAorLyoqCisg KiBvZl9nZXRfbXRkX2RldmljZV9ieV9ub2RlIC0gb2J0YWluIGFuIE1URCBkZXZpY2UgYXNzb2Np YXRlZCB3aXRoIGEgZ2l2ZW4gbm9kZQorICoKKyAqIEBucDogZGV2aWNlIHRyZWUgbm9kZQorICov CitzdHJ1Y3QgbXRkX2luZm8gKm9mX2dldF9tdGRfZGV2aWNlX2J5X25vZGUoc3RydWN0IGRldmlj ZV9ub2RlICpucCkKK3sKKwlzdHJ1Y3QgbXRkX2luZm8gKm10ZCA9IE5VTEw7CisJc3RydWN0IG10 ZF9pbmZvICp0bXA7CisJaW50IGVycjsKKworCW11dGV4X2xvY2soJm10ZF90YWJsZV9tdXRleCk7 CisKKwllcnIgPSAtRU5PREVWOworCW10ZF9mb3JfZWFjaF9kZXZpY2UodG1wKSB7CisJCWlmICht dGRfZ2V0X29mX25vZGUodG1wKSA9PSBucCkgeworCQkJbXRkID0gdG1wOworCQkJZXJyID0gX19n ZXRfbXRkX2RldmljZShtdGQpOworCQkJYnJlYWs7CisJCX0KKwl9CisKKwltdXRleF91bmxvY2so Jm10ZF90YWJsZV9tdXRleCk7CisKKwlyZXR1cm4gZXJyID8gRVJSX1BUUihlcnIpIDogbXRkOwor fQorRVhQT1JUX1NZTUJPTF9HUEwob2ZfZ2V0X210ZF9kZXZpY2VfYnlfbm9kZSk7CisKIC8qKgog ICoJZ2V0X210ZF9kZXZpY2Vfbm0gLSBvYnRhaW4gYSB2YWxpZGF0ZWQgaGFuZGxlIGZvciBhbiBN VEQgZGV2aWNlIGJ5CiAgKglkZXZpY2UgbmFtZQpkaWZmIC0tZ2l0IGEvaW5jbHVkZS9saW51eC9t dGQvbXRkLmggYi9pbmNsdWRlL2xpbnV4L210ZC9tdGQuaAppbmRleCA5NTVhZWUxNGIwZjcuLjZm Yzg0MWNlZWYzMSAxMDA2NDQKLS0tIGEvaW5jbHVkZS9saW51eC9tdGQvbXRkLmgKKysrIGIvaW5j bHVkZS9saW51eC9tdGQvbXRkLmgKQEAgLTY3Nyw2ICs2NzcsNyBAQCBleHRlcm4gaW50IG10ZF9k ZXZpY2VfdW5yZWdpc3RlcihzdHJ1Y3QgbXRkX2luZm8gKm1hc3Rlcik7CiBleHRlcm4gc3RydWN0 IG10ZF9pbmZvICpnZXRfbXRkX2RldmljZShzdHJ1Y3QgbXRkX2luZm8gKm10ZCwgaW50IG51bSk7 CiBleHRlcm4gaW50IF9fZ2V0X210ZF9kZXZpY2Uoc3RydWN0IG10ZF9pbmZvICptdGQpOwogZXh0 ZXJuIHZvaWQgX19wdXRfbXRkX2RldmljZShzdHJ1Y3QgbXRkX2luZm8gKm10ZCk7CitleHRlcm4g c3RydWN0IG10ZF9pbmZvICpvZl9nZXRfbXRkX2RldmljZV9ieV9ub2RlKHN0cnVjdCBkZXZpY2Vf bm9kZSAqbnApOwogZXh0ZXJuIHN0cnVjdCBtdGRfaW5mbyAqZ2V0X210ZF9kZXZpY2Vfbm0oY29u c3QgY2hhciAqbmFtZSk7CiBleHRlcm4gdm9pZCBwdXRfbXRkX2RldmljZShzdHJ1Y3QgbXRkX2lu Zm8gKm10ZCk7CiAKLS0gCjIuMzQuMQoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpMaW51eCBNVEQgZGlzY3Vzc2lvbiBtYWlsaW5nIGxpc3QK aHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1tdGQvCg==