From mboxrd@z Thu Jan 1 00:00:00 1970 From: "sxauwsk@163.com" Subject: [PATCH] i2c: cadence: try reset when master receive error interrupts Date: Sat, 16 Feb 2019 15:50:19 +0800 Message-ID: <2019021615501780626817@163.com> References: <20190129195214.30272-1-sxauwsk@163.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: Shubhrajyoti Datta Cc: linux-kernel , Shubhrajyoti Datta , "michal.simek" , linux-arm-kernel , linux-i2c List-Id: linux-i2c@vger.kernel.org PkhpIFN4YXV3c2ssCj4KPk9uIFdlZCwgSmFuIDMwLCAyMDE5IGF0IDM6MTMgUE0gc3hhdXdzayA8 c3hhdXdza0AxNjMuY29tPiB3cm90ZToKPj4KPj4gV2hlbiB0aGUgYWRhcHRlciByZWNlaXZlIGVy cm9yIGludGVycnVwdHMsIHN1Y2ggYXMgTkFDSywgYXJiaXRyYXRpb24gbG9zdCwKPj4gY2Ruc19p MmNfbWFzdGVyX3hmZXIgcmV0dXJuIHRvIHRoZSBjYWxsZXIgZGlyZWN0bHkgaW5zdGVhZCBvZiBy ZXN1bWluZwo+PiB0aGUgYWRhcHRlciB3aGljaCByZXN1bHRlZCBpbiB0aGUgYWRhcHRlciBiZWlu ZyBvdXQgb2YgY29udHJvbC4KPj4KPj4gU28gd2hlbiBkcml2ZXIgZGV0ZWN0IGVycl9zdGF0dXMg dGhlbiB0cnkgdG8gcmVwYWlyIGFuZCBmaXggaXQuCj4+Cj4+IFNpZ25lZC1vZmYtYnk6IHN4YXV3 c2sgPHN4YXV3c2tAMTYzLmNvbT4KPj4gLS0tCj4+wqAgZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1j YWRlbmNlLmMgfCAxMiArKysrKysrLS0tLS0KPj7CoCAxIGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRp b25zKCspLCA1IGRlbGV0aW9ucygtKQo+Pgo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9pMmMvYnVz c2VzL2kyYy1jYWRlbmNlLmMgYi9kcml2ZXJzL2kyYy9idXNzZXMvaTJjLWNhZGVuY2UuYwo+PiBp bmRleCBiMTM2MDU3MTgyOTEuLmUxMDA0OGQ3NTI0YSAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9p MmMvYnVzc2VzL2kyYy1jYWRlbmNlLmMKPj4gKysrIGIvZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1j YWRlbmNlLmMKPj4gQEAgLTU0OCwxMCArNTQ4LDYgQEAgc3RhdGljIGludCBjZG5zX2kyY19wcm9j ZXNzX21zZyhzdHJ1Y3QgY2Ruc19pMmMgKmlkLCBzdHJ1Y3QgaTJjX21zZyAqbXNnLAo+PsKgwqDC oMKgwqDCoMKgwqAgY2Ruc19pMmNfd3JpdGVyZWcoQ0ROU19JMkNfSVhSX0FMTF9JTlRSX01BU0ss Cj4+wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBD RE5TX0kyQ19JRFJfT0ZGU0VUKTsKPj4KPj4gLcKgwqDCoMKgwqDCoCAvKiBJZiBpdCBpcyBidXMg YXJiaXRyYXRpb24gZXJyb3IsIHRyeSBhZ2FpbiAqLwo+PiAtwqDCoMKgwqDCoMKgIGlmIChpZC0+ ZXJyX3N0YXR1cyAmIENETlNfSTJDX0lYUl9BUkJfTE9TVCkKPj4gLcKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqAgcmV0dXJuIC1FQUdBSU47Cj4+IC0KPj7CoMKgwqDCoMKgwqDCoMKgIHJldHVy biAwOwo+PsKgIH0KPj4KPj4gQEAgLTYxNywxMyArNjEzLDE5IEBAIHN0YXRpYyBpbnQgY2Ruc19p MmNfbWFzdGVyX3hmZXIoc3RydWN0IGkyY19hZGFwdGVyICphZGFwLCBzdHJ1Y3QgaTJjX21zZyAq bXNncywKPj7CoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAg aWQtPmJ1c19ob2xkX2ZsYWcgPSAwOwo+Pgo+PsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgIHJldCA9IGNkbnNfaTJjX3Byb2Nlc3NfbXNnKGlkLCBtc2dzLCBhZGFwKTsKPj4gLcKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgaWYgKHJldCkKPj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqAgaWYgKCFyZXQpCj4+wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgIGdvdG8gb3V0Owo+Pgo+SW4gY2FzZcKgIHRoZSBBcmJpdHJhdGlvbiBlcnJv ciBoYXBwZW5kwqAgdGhlIGNkbnNfaTJjX3Byb2Nlc3NfbXNnIHdvdWxkIHJldHVybiAwCj5hbmQg d2Ugd2lsbCBtaXNzIHRoZSBjaGVja8KgIGJlbG93Lgo+Cj5BbSBJIG1pc3Npbmcgc29tZXRoaW5n ID8KPgo+PsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIC8qIFJlcG9ydCB0aGUgb3Ro ZXIgZXJyb3IgaW50ZXJydXB0cyB0byBhcHBsaWNhdGlvbiAqLwo+PsKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgIGlmIChpZC0+ZXJyX3N0YXR1cykgewo+PsKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBjZG5zX2kyY19tYXN0ZXJfcmVzZXQoYWRh cCk7Cj4+Cj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAv KiBJZiBpdCBpcyBidXMgYXJiaXRyYXRpb24gZXJyb3IsIHRyeSBhZ2FpbiAqLwo+PiArwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgaWYgKGlkLT5lcnJfc3RhdHVz ICYgQ0ROU19JMkNfSVhSX0FSQl9MT1NUKSB7Cj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcmV0ID0gLUVBR0FJTjsKPj4gK8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oCBnb3RvIG91dDsKPj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgIH0KPj4gKwo+PsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoCBpZiAoaWQtPmVycl9zdGF0dXMgJiBDRE5TX0kyQ19JWFJfTkFDSykgewo+PsKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAg cmV0ID0gLUVOWElPOwo+PsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgZ290byBvdXQ7Cj4+IC0tCj4+IDIuMTkuMgo+Pgo+PiAK CkluIGNkbnNfaTJjX3Byb2Nlc3NfbXNnIHByb2Nlc3MsIHdoZW4gZGV0ZWN0IGFyYml0cmF0aW9u IGxvc3QgZXJyb3IgcmV0dXJuIC1FQUdBSU4gdG8gwqBjZG5zX2kyY19tYXN0ZXJfeGZlciwgwqBu b3QgcmV0dXJuIDAKdGhhdCBtZWFuIGNkbnNfaTJjX3Byb2Nlc3NfbXNnIMKganVzdCBnbyBvdXQg aWdub3JlIGVycm9yIGNoZWNrIGFuZCDCoHByb2JsZW0gb2NjdXIsIFNvIHdlIHNob3VsZCBkbyBz b21ldGhpbmcgd2hlbiBhcmJpdHJhdGlvbiBlcnJvciBkZXRlY3QuCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBs aXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5m cmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK