From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Yang Subject: [PATCH v5] i2c: imx: make bus recovery through pinctrl optional Date: Fri, 19 Aug 2016 17:05:22 -0500 Message-ID: <1471644322-22670-1-git-send-email-leoyang.li@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Wolfram Sang , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Gao Pan , Li Yang List-Id: linux-gpio@vger.kernel.org U2luY2UgY29tbWl0IDFjNGI2YzNiY2YzMCAoImkyYzogaW14OiBpbXBsZW1lbnQgYnVzIHJlY292 ZXJ5IikgdGhlCmRyaXZlciBzdGFydHMgdG8gdXNlIGdwaW8vcGluY3RybCB0byBkbyBpMmMgYnVz IHJlY292ZXJ5LiAgQnV0IHBpbmN0cmwKaXMgbm90IGFsd2F5cyBhdmFpbGFibGUgZm9yIHBsYXRm b3JtcyB3aXRoIHRoaXMgY29udHJvbGxlciBzdWNoIGFzIGxzMTAyMWEKYW5kIGxzMTA0M2EsIGFu ZCB0aGUgZGV2aWNlIHRyZWUgYmluZGluZyBhbHNvIG1lbnRpb25lZCB0aGlzIGdwaW8gYmFzZWQK cmVjb3ZlcnkgbWVjaGFuaXNtIGFzIG9wdGlvbmFsLiAgVGhlIHBhdGNoIG1ha2VzIGl0IHJlYWxs eSBvcHRpb25hbCB0aGF0CnRoZSBwcm9iZSBmdW5jdGlvbiB3b24ndCBiYWlsb3V0IGJ1dCBqdXN0 IGRpc2FibGUgdGhlIGJ1cyByZWNvdmVyeSBmdW5jdGlvbgp3aGVuIHBpbmN0cmwgaXMgbm90IGF2 YWlsYWJsZS4KClNpZ25lZC1vZmYtYnk6IExpIFlhbmcgPGxlb3lhbmcubGlAbnhwLmNvbT4KQ2M6 IEdhbyBQYW4gPHBhbmR5Lmdhb0BueHAuY29tPgpDYzogVXdlIEtsZWluZS1Lw7ZuaWcgPHUua2xl aW5lLWtvZW5pZ0BwZW5ndXRyb25peC5kZT4KQWNrZWQtYnk6IExpbnVzIFdhbGxlaWogPGxpbnVz LndhbGxlaWpAbGluYXJvLm9yZz4KLS0tCnY1OgpSZXZlcnQgdGhlIGxhc3QgbWludXRlIGNoYW5n ZSBvZiByZWNvdmVyeSBpbmZvIGluaXRpYWxpemF0aW9uIHRpbWluZywgaXQKd2lsbCBjYXVzZSBw cm9ibGVtIGlmIGluaXRpYWxpemVkIGFmdGVyIGkyY19hZGRfbnVtYmVyZWRfYWRhcHRlcigpCgp2 NDoKUmVtb3ZlIHRoZSB1c2Ugb2YgSVNfRVJSX09SX05VTEwKTW92ZSB0aGUgY29uZGl0aW9uIGp1 ZGdlbWVudCB0byBpMmNfaW14X2luaXRfcmVjb3ZlcnlfaW5mbygpCkNoYW5nZSB0aGUgdGltaW5n IG9mIHJlY292ZXJ5IGluaXRpYWxpemF0aW9uIHRvIGJlIGFmdGVyIGJ1cyByZWdpc3RyYXRpb24K CnYzOgpSZWJhc2VkIHRvIFdvbGZyYW0ncyBmb3ItbmV4dCBicmFuY2gKQWRkZWQgYWNrZWQtYnkg ZnJvbSBMaW51cyBXYWxsZWlqClVwZGF0ZSB0byB1c2UgbmV3IG54cCBlbWFpbCBhZGRyZXNzZXMg ZHVlIHRvIGNvbXBhbnkgbWVyZ2UKCiBkcml2ZXJzL2kyYy9idXNzZXMvaTJjLWlteC5jIHwgMTUg KysrKysrKysrKysrKystCiAxIGZpbGUgY2hhbmdlZCwgMTQgaW5zZXJ0aW9ucygrKSwgMSBkZWxl dGlvbigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvaTJjL2J1c3Nlcy9pMmMtaW14LmMgYi9kcml2 ZXJzL2kyYy9idXNzZXMvaTJjLWlteC5jCmluZGV4IDE4NDRiYzkuLjdhZTc5OTIgMTAwNjQ0Ci0t LSBhL2RyaXZlcnMvaTJjL2J1c3Nlcy9pMmMtaW14LmMKKysrIGIvZHJpdmVycy9pMmMvYnVzc2Vz L2kyYy1pbXguYwpAQCAtOTg5LDYgKzk4OSwxNSBAQCBzdGF0aWMgdm9pZCBpMmNfaW14X2luaXRf cmVjb3ZlcnlfaW5mbyhzdHJ1Y3QgaW14X2kyY19zdHJ1Y3QgKmkyY19pbXgsCiB7CiAJc3RydWN0 IGkyY19idXNfcmVjb3ZlcnlfaW5mbyAqcmluZm8gPSAmaTJjX2lteC0+cmluZm87CiAKKwkvKiBp ZiBwaW5jdHJsIGlzIG5vdCBzdXBwb3J0ZWQgb24gdGhlIHN5c3RlbSAqLworCWlmIChJU19FUlIo aTJjX2lteC0+cGluY3RybCkpCisJCWkyY19pbXgtPnBpbmN0cmwgPSBOVUxMOworCisJaWYgKCFp MmNfaW14LT5waW5jdHJsKSB7CisJCWRldl9pbmZvKCZwZGV2LT5kZXYsICJjYW4ndCBnZXQgcGlu Y3RybCwgYnVzIHJlY292ZXJ5IG5vdCBzdXBwb3J0ZWRcbiIpOworCQlyZXR1cm47CisJfQorCiAJ aTJjX2lteC0+cGluY3RybF9waW5zX2RlZmF1bHQgPSBwaW5jdHJsX2xvb2t1cF9zdGF0ZShpMmNf aW14LT5waW5jdHJsLAogCQkJUElOQ1RSTF9TVEFURV9ERUZBVUxUKTsKIAlpMmNfaW14LT5waW5j dHJsX3BpbnNfZ3BpbyA9IHBpbmN0cmxfbG9va3VwX3N0YXRlKGkyY19pbXgtPnBpbmN0cmwsCkBA IC0xMDgxLDggKzEwOTAsMTEgQEAgc3RhdGljIGludCBpMmNfaW14X3Byb2JlKHN0cnVjdCBwbGF0 Zm9ybV9kZXZpY2UgKnBkZXYpCiAJCXJldHVybiByZXQ7CiAJfQogCisJLyogb3B0aW9uYWwgYnVz IHJlY292ZXJ5IGZlYXR1cmUgdGhyb3VnaCBwaW5jdHJsICovCiAJaTJjX2lteC0+cGluY3RybCA9 IGRldm1fcGluY3RybF9nZXQoJnBkZXYtPmRldik7Ci0JaWYgKElTX0VSUihpMmNfaW14LT5waW5j dHJsKSkgeworCS8qIGJhaWxvdXQgb24gLUVOT01FTSBvciAtRVBST0JFX0RFRkVSLCBjb250aW51 ZSBmb3Igb3RoZXIgZXJyb3JzICovCisJaWYgKFBUUl9FUlIoaTJjX2lteC0+cGluY3RybCkgPT0g LUVOT01FTSB8fAorCQkJUFRSX0VSUihpMmNfaW14LT5waW5jdHJsKSA9PSAtRVBST0JFX0RFRkVS KSB7CiAJCXJldCA9IFBUUl9FUlIoaTJjX2lteC0+cGluY3RybCk7CiAJCWdvdG8gY2xrX2Rpc2Fi bGU7CiAJfQpAQCAtMTEyNSw2ICsxMTM3LDcgQEAgc3RhdGljIGludCBpMmNfaW14X3Byb2JlKHN0 cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCiAJCQlpMmNfaW14LCBJTVhfSTJDX0kyQ1IpOwog CWlteF9pMmNfd3JpdGVfcmVnKGkyY19pbXgtPmh3ZGF0YS0+aTJzcl9jbHJfb3Bjb2RlLCBpMmNf aW14LCBJTVhfSTJDX0kyU1IpOwogCisJLyogSW5pdCBidXMgcmVjb3ZlcnkgaW5mbyBpZiBzdXBw b3J0ZWQgKi8KIAlpMmNfaW14X2luaXRfcmVjb3ZlcnlfaW5mbyhpMmNfaW14LCBwZGV2KTsKIAog CS8qIEFkZCBJMkMgYWRhcHRlciAqLwotLSAKMS45LjAKCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdAps aW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVh ZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==