From mboxrd@z Thu Jan 1 00:00:00 1970 From: Archit Taneja Subject: [PATCH 1/5] drm/i2c: adv7511: Fix mutex deadlock when interrupts are disabled Date: Mon, 27 Jul 2015 11:46:55 +0530 Message-ID: <1437977819-24199-2-git-send-email-architt@codeaurora.org> References: <1437977819-24199-1-git-send-email-architt@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1437977819-24199-1-git-send-email-architt@codeaurora.org> 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, lars@metafoo.de Cc: linux-arm-msm@vger.kernel.org, andy.green@linaro.org, srinivas.kandagatla@linaro.org, laurent.pinchart@ideasonboard.com List-Id: linux-arm-msm@vger.kernel.org V2hlbiB0aGUgYWR2NzUxMSBpMmMgY2xpZW50IGRvZXNuJ3QgaGF2ZSBhbiBpbnRlcnJ1cHQgbGlu ZSwgd2Ugb2JzZXJ2ZSBhCmRlYWRsb2NrIG9uIGNhdXNlZCBieSB0cnlpbmcgdG8gbG9jayBkcm0g ZGV2aWNlJ3MgbW9kZV9jb25maWcubXV0ZXggdHdpY2UKaW4gdGhlIHNhbWUgY29udGV4dC4KCkhl cmUgaXMgdGhlIHNlcXVlbmNlIHRoYXQgY2F1c2VzIGl0OgoKaW9jdGwgRFJNX0lPQ1RMX01PREVf R0VUQ09OTkVDVE9SIGZyb20gdXNlcnNwYWNlCiAgZHJtX21vZGVfZ2V0Y29ubmVjdG9yIChhY3F1 aXJlcyBtb2RlX2NvbmZpZyBtdXRleCkKICAgIGNvbm5lY3Rvci0+ZmlsbF9tb2RlcygpCiAgICBk cm1faGVscGVyX3Byb2JlX3NpbmdsZV9jb25uZWN0b3JfbW9kZXMKICAgICAgY29ubmVjdG9yX2Z1 bmNzLT5nZXRfbW9kZXMKCWFkdjc1MTFfZW5jb2Rlcl9nZXRfbW9kZXMKCSAgYWR2NzUxMV9nZXRf ZWRpZF9ibG9jawoJICAgIGFkdjc1MTFfaXJxX3Byb2Nlc3MKCSAgICAgIGRybV9oZWxwZXJfaHBk X2lycV9ldmVudCAoYWNxdWlyZXMgbW9kZV9jb25maWcgbXV0ZXggYWdhaW4pCgpJbiBhZHY3NTEx X2lycV9wcm9jZXNzLCBkb24ndCBjYWxsIGRybV9oZWxwZXJfaHBkX2lycV9ldmVudCB3aGVuIG5v dApjYWxsZWQgZnJvbSBpbnRlcnJ1cHQgY29udGV4dC4gSXQgZG9lc24ndCBzZXJ2ZSBhbnkgcHVy cG9zZSB0aGVyZSBhbnl3YXkuCgpTaWduZWQtb2ZmLWJ5OiBBcmNoaXQgVGFuZWphIDxhcmNoaXR0 QGNvZGVhdXJvcmEub3JnPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pMmMvYWR2NzUxMS5jIHwgOCAr KysrLS0tLQogMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkK CmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTJjL2Fkdjc1MTEuYyBiL2RyaXZlcnMvZ3B1 L2RybS9pMmMvYWR2NzUxMS5jCmluZGV4IDJhYWEzYzguLmNmNWJiMjkgMTAwNjQ0Ci0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9pMmMvYWR2NzUxMS5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pMmMvYWR2 NzUxMS5jCkBAIC00MjIsNyArNDIyLDcgQEAgc3RhdGljIGJvb2wgYWR2NzUxMV9ocGQoc3RydWN0 IGFkdjc1MTEgKmFkdjc1MTEpCiAJcmV0dXJuIGZhbHNlOwogfQogCi1zdGF0aWMgaW50IGFkdjc1 MTFfaXJxX3Byb2Nlc3Moc3RydWN0IGFkdjc1MTEgKmFkdjc1MTEpCitzdGF0aWMgaW50IGFkdjc1 MTFfaXJxX3Byb2Nlc3Moc3RydWN0IGFkdjc1MTEgKmFkdjc1MTEsIGJvb2wgcHJvY2Vzc19ocGQp CiB7CiAJdW5zaWduZWQgaW50IGlycTAsIGlycTE7CiAJaW50IHJldDsKQEAgLTQzOCw3ICs0Mzgs NyBAQCBzdGF0aWMgaW50IGFkdjc1MTFfaXJxX3Byb2Nlc3Moc3RydWN0IGFkdjc1MTEgKmFkdjc1 MTEpCiAJcmVnbWFwX3dyaXRlKGFkdjc1MTEtPnJlZ21hcCwgQURWNzUxMV9SRUdfSU5UKDApLCBp cnEwKTsKIAlyZWdtYXBfd3JpdGUoYWR2NzUxMS0+cmVnbWFwLCBBRFY3NTExX1JFR19JTlQoMSks IGlycTEpOwogCi0JaWYgKGlycTAgJiBBRFY3NTExX0lOVDBfSERQICYmIGFkdjc1MTEtPmVuY29k ZXIpCisJaWYgKHByb2Nlc3NfaHBkICYmIGlycTAgJiBBRFY3NTExX0lOVDBfSERQICYmIGFkdjc1 MTEtPmVuY29kZXIpCiAJCWRybV9oZWxwZXJfaHBkX2lycV9ldmVudChhZHY3NTExLT5lbmNvZGVy LT5kZXYpOwogCiAJaWYgKGlycTAgJiBBRFY3NTExX0lOVDBfRURJRF9SRUFEWSB8fCBpcnExICYg QURWNzUxMV9JTlQxX0REQ19FUlJPUikgewpAQCAtNDU2LDcgKzQ1Niw3IEBAIHN0YXRpYyBpcnFy ZXR1cm5fdCBhZHY3NTExX2lycV9oYW5kbGVyKGludCBpcnEsIHZvaWQgKmRldmlkKQogCXN0cnVj dCBhZHY3NTExICphZHY3NTExID0gZGV2aWQ7CiAJaW50IHJldDsKIAotCXJldCA9IGFkdjc1MTFf aXJxX3Byb2Nlc3MoYWR2NzUxMSk7CisJcmV0ID0gYWR2NzUxMV9pcnFfcHJvY2VzcyhhZHY3NTEx LCB0cnVlKTsKIAlyZXR1cm4gcmV0IDwgMCA/IElSUV9OT05FIDogSVJRX0hBTkRMRUQ7CiB9CiAK QEAgLTQ3Myw3ICs0NzMsNyBAQCBzdGF0aWMgaW50IGFkdjc1MTFfd2FpdF9mb3JfZWRpZChzdHJ1 Y3QgYWR2NzUxMSAqYWR2NzUxMSwgaW50IHRpbWVvdXQpCiAJCQkJYWR2NzUxMS0+ZWRpZF9yZWFk LCBtc2Vjc190b19qaWZmaWVzKHRpbWVvdXQpKTsKIAl9IGVsc2UgewogCQlmb3IgKDsgdGltZW91 dCA+IDA7IHRpbWVvdXQgLT0gMjUpIHsKLQkJCXJldCA9IGFkdjc1MTFfaXJxX3Byb2Nlc3MoYWR2 NzUxMSk7CisJCQlyZXQgPSBhZHY3NTExX2lycV9wcm9jZXNzKGFkdjc1MTEsIGZhbHNlKTsKIAkJ CWlmIChyZXQgPCAwKQogCQkJCWJyZWFrOwogCi0tIApUaGUgUXVhbGNvbW0gSW5ub3ZhdGlvbiBD ZW50ZXIsIEluYy4gaXMgYSBtZW1iZXIgb2YgdGhlIENvZGUgQXVyb3JhIEZvcnVtLApob3N0ZWQg YnkgVGhlIExpbnV4IEZvdW5kYXRpb24KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vZHJpLWRldmVsCg==