From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH 01/36] clk: Introduce clk_try_parent() Date: Tue, 20 Jan 2015 11:48:20 +0100 Message-ID: <1421750935-4023-2-git-send-email-thierry.reding@gmail.com> References: <1421750935-4023-1-git-send-email-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1421750935-4023-1-git-send-email-thierry.reding@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org Cc: linux-tegra@vger.kernel.org, Mike Turquette , Stephen Boyd , Russell King , linux-kernel@vger.kernel.org List-Id: linux-tegra@vger.kernel.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KClRoaXMgbmV3IGZ1bmN0 aW9uIGlzIHNpbWlsYXIgdG8gY2xrX3NldF9wYXJlbnQoKSwgZXhjZXB0IHRoYXQgaXQgZG9lc24n dAphY3R1YWxseSBjaGFuZ2UgdGhlIHBhcmVudC4gSXQgbWVyZWx5IGNoZWNrcyB0aGF0IHRoZSBn aXZlbiBwYXJlbnQgY2xvY2sKY2FuIGJlIGEgcGFyZW50IGZvciB0aGUgZ2l2ZW4gY2xvY2suCgpB IHNpdHVhdGlvbiB3aGVyZSB0aGlzIGlzIHVzZWZ1bCBpcyB0byBjaGVjayB0aGF0IGEgcGFydGlj dWxhciBzZXR1cCBpcwp2YWxpZCBiZWZvcmUgc3dpdGNoaW5nIHRvIGl0LiBPbmUgc3BlY2lmaWMg dXNlLWNhc2UgZm9yIHRoaXMgaXMgYXRvbWljCm1vZGVzZXR0aW5nIGluIHRoZSBEUk0gZnJhbWV3 b3JrIHdoZXJlIHNldHRpbmcgYSBtb2RlIGlzIGRpdmlkZWQgaW50byBhCmNoZWNrIHBoYXNlIHdo ZXJlIGEgZ2l2ZW4gY29uZmlndXJhdGlvbiBpcyB2YWxpZGF0ZWQgYmVmb3JlIGFwcGx5aW5nCmNo YW5nZXMgdG8gdGhlIGhhcmR3YXJlLgoKQ2M6IFJ1c3NlbGwgS2luZyA8bGludXhAYXJtLmxpbnV4 Lm9yZy51az4KQ2M6IE1pa2UgVHVycXVldHRlIDxtdHVycXVldHRlQGxpbmFyby5vcmc+CkNjOiBT dGVwaGVuIEJveWQgPHNib3lkQGNvZGVhdXJvcmEub3JnPgpTaWduZWQtb2ZmLWJ5OiBUaGllcnJ5 IFJlZGluZyA8dHJlZGluZ0BudmlkaWEuY29tPgotLS0KIGRyaXZlcnMvY2xrL2Nsay5jICAgfCAz NiArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKIGluY2x1ZGUvbGludXgvY2xr LmggfCAxNCArKysrKysrKysrKysrKwogMiBmaWxlcyBjaGFuZ2VkLCA1MCBpbnNlcnRpb25zKCsp CgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9jbGsvY2xrLmMgYi9kcml2ZXJzL2Nsay9jbGsuYwppbmRl eCBhZjA2YjczNzdkMzcuLjI5NzkxMDgxNWRlYSAxMDA2NDQKLS0tIGEvZHJpdmVycy9jbGsvY2xr LmMKKysrIGIvZHJpdmVycy9jbGsvY2xrLmMKQEAgLTE2NzIsNiArMTY3Miw0MiBAQCB2b2lkIF9f Y2xrX3JlcGFyZW50KHN0cnVjdCBjbGsgKmNsaywgc3RydWN0IGNsayAqbmV3X3BhcmVudCkKIH0K IAogLyoqCisgKiBjbGtfdHJ5X3BhcmVudCAtIGNoZWNrIGlmIGEgY2xvY2sgY2FuIGJlIHRoZSBw YXJlbnQgY2xvY2sgc291cmNlIG9mIGFub3RoZXIKKyAqIEBjbGs6IGNsb2NrIHNvdXJjZQorICog QHBhcmVudDogcGFyZW50IGNsb2NrIHNvdXJjZQorICoKKyAqIFRoaXMgaXMgbGlrZSBjbGtfc2V0 X3BhcmVudCgpLCBleGNlcHQgdGhhdCBpdCBvbmx5IGNoZWNrcyB0aGF0IHBhcmVudCBjYW4KKyAq IGJlIHRoZSBwYXJlbnQgY2xvY2sgc291cmNlIGZvciBjbG9jay4KKyAqCisgKiBSZXR1cm5zIHN1 Y2Nlc3MgKDApIG9yIG5lZ2F0aXZlIGVycm5vLgorICovCitpbnQgY2xrX3RyeV9wYXJlbnQoc3Ry dWN0IGNsayAqY2xrLCBzdHJ1Y3QgY2xrICpwYXJlbnQpCit7CisJaW50IGVyciA9IDA7CisKKwlp ZiAoIWNsayB8fCAhcGFyZW50KQorCQlyZXR1cm4gLUVJTlZBTDsKKworCWlmICgoY2xrLT5udW1f cGFyZW50cyA+IDEpICYmICFjbGstPm9wcy0+c2V0X3BhcmVudCkKKwkJcmV0dXJuIC1FTk9TWVM7 CisKKwljbGtfcHJlcGFyZV9sb2NrKCk7CisKKwlpZiAoY2xrLT5wYXJlbnQgPT0gcGFyZW50KQor CQlnb3RvIHVubG9jazsKKworCWVyciA9IGNsa19mZXRjaF9wYXJlbnRfaW5kZXgoY2xrLCBwYXJl bnQpOworCWlmIChlcnIgPiAwKQorCQllcnIgPSAwOworCit1bmxvY2s6CisJY2xrX3ByZXBhcmVf dW5sb2NrKCk7CisKKwlyZXR1cm4gZXJyOworfQorRVhQT1JUX1NZTUJPTF9HUEwoY2xrX3RyeV9w YXJlbnQpOworCisvKioKICAqIGNsa19zZXRfcGFyZW50IC0gc3dpdGNoIHRoZSBwYXJlbnQgb2Yg YSBtdXggY2xrCiAgKiBAY2xrOiB0aGUgbXV4IGNsayB3aG9zZSBpbnB1dCB3ZSBhcmUgc3dpdGNo aW5nCiAgKiBAcGFyZW50OiB0aGUgbmV3IGlucHV0IHRvIGNsawpkaWZmIC0tZ2l0IGEvaW5jbHVk ZS9saW51eC9jbGsuaCBiL2luY2x1ZGUvbGludXgvY2xrLmgKaW5kZXggZmIxYWM2NWYxMjdjLi45 NGRhOGM2OGE1MTUgMTAwNjQ0Ci0tLSBhL2luY2x1ZGUvbGludXgvY2xrLmgKKysrIGIvaW5jbHVk ZS9saW51eC9jbGsuaApAQCAtMzI4LDYgKzMyOCwxNSBAQCBsb25nIGNsa19yb3VuZF9yYXRlKHN0 cnVjdCBjbGsgKmNsaywgdW5zaWduZWQgbG9uZyByYXRlKTsKIGludCBjbGtfc2V0X3JhdGUoc3Ry dWN0IGNsayAqY2xrLCB1bnNpZ25lZCBsb25nIHJhdGUpOwogCiAvKioKKyAqIGNsa190cnlfcGFy ZW50IC0gY2hlY2sgaWYgYSBjbG9jayBjYW4gYmUgdGhlIHBhcmVudCBjbG9jayBzb3VyY2Ugb2Yg YW5vdGhlcgorICogQGNsazogY2xvY2sgc291cmNlCisgKiBAcGFyZW50OiBwYXJlbnQgY2xvY2sg c291cmNlCisgKgorICogUmV0dXJucyBzdWNjZXNzICgwKSBvciBuZWdhdGl2ZSBlcnJuby4KKyAq LworaW50IGNsa190cnlfcGFyZW50KHN0cnVjdCBjbGsgKmNsaywgc3RydWN0IGNsayAqcGFyZW50 KTsKKworLyoqCiAgKiBjbGtfc2V0X3BhcmVudCAtIHNldCB0aGUgcGFyZW50IGNsb2NrIHNvdXJj ZSBmb3IgdGhpcyBjbG9jawogICogQGNsazogY2xvY2sgc291cmNlCiAgKiBAcGFyZW50OiBwYXJl bnQgY2xvY2sgc291cmNlCkBAIC00MDAsNiArNDA5LDExIEBAIHN0YXRpYyBpbmxpbmUgbG9uZyBj bGtfcm91bmRfcmF0ZShzdHJ1Y3QgY2xrICpjbGssIHVuc2lnbmVkIGxvbmcgcmF0ZSkKIAlyZXR1 cm4gMDsKIH0KIAorc3RhdGljIGlubGluZSBpbnQgY2xrX3RyeV9wYXJlbnQoc3RydWN0IGNsayAq Y2xrLCBzdHJ1Y3QgY2xrICpwYXJlbnQpCit7CisJcmV0dXJuIDA7Cit9CisKIHN0YXRpYyBpbmxp bmUgaW50IGNsa19zZXRfcGFyZW50KHN0cnVjdCBjbGsgKmNsaywgc3RydWN0IGNsayAqcGFyZW50 KQogewogCXJldHVybiAwOwotLSAKMi4xLjMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vZHJpLWRldmVsCg==