From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marta Lofstedt Subject: [PATCH 2/6] backlight: use spin-lock to protect device list Date: Mon, 24 Oct 2016 16:08:49 +0300 Message-ID: <20161024130853.13124-3-marta.lofstedt@intel.com> References: <1410364463-12692-1-git-send-email-dh.herrmann@gmail.com> <20161024130853.13124-1-marta.lofstedt@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9814F6E417 for ; Mon, 24 Oct 2016 13:06:05 +0000 (UTC) In-Reply-To: <20161024130853.13124-1-marta.lofstedt@intel.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 List-Id: dri-devel@lists.freedesktop.org RnJvbTogRGF2aWQgSGVycm1hbm4gPGRoLmhlcnJtYW5uIGF0IGdtYWlsLmNvbT4KClRoZXJlIGlz IHJlYWxseSBubyByZWFzb24gdG8gdXNlIGEgbXV0ZXggdG8gcHJvdGVjdCBhIHNpbXBsZSBsaXN0 LiBDb252ZXJ0CnRoZSBsaXN0LWxvY2sgdG8gYSBzaW1wbGUgc3BpbmxvY2sgaW5zdGVhZC4KClRo ZSBzcGluLWxvY2tzIHByZXBhcmUgZm9yIGEgYmFja2xpZ2h0X2ZpbmQoKSBoZWxwZXIsIHdoaWNo IHNob3VsZApwcmVmZXJhYmx5IGJlIHVzYWJsZSBmcm9tIGF0b21pYyBjb250ZXh0LiBBIG11dGV4 IHdvdWxkIHByZXZlbnQgdGhhdCwgc28KdXNlIGFuIGlycS1zYXZlIHNwaW5sb2NrIGluc3RlYWQu CgpTaWduZWQtb2ZmLWJ5OiBEYXZpZCBIZXJybWFubiA8ZGguaGVycm1hbm4gYXQgZ21haWwuY29t PgotLS0KIGRyaXZlcnMvdmlkZW8vYmFja2xpZ2h0L2JhY2tsaWdodC5jIHwgMTYgKysrKysrKysr LS0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDkgaW5zZXJ0aW9ucygrKSwgNyBkZWxldGlvbnMoLSkK CmRpZmYgLS1naXQgYS9kcml2ZXJzL3ZpZGVvL2JhY2tsaWdodC9iYWNrbGlnaHQuYyBiL2RyaXZl cnMvdmlkZW8vYmFja2xpZ2h0L2JhY2tsaWdodC5jCmluZGV4IDM3ZjYxNzMuLjcxNmMwOTEgMTAw NjQ0Ci0tLSBhL2RyaXZlcnMvdmlkZW8vYmFja2xpZ2h0L2JhY2tsaWdodC5jCisrKyBiL2RyaXZl cnMvdmlkZW8vYmFja2xpZ2h0L2JhY2tsaWdodC5jCkBAIC0xNiwxMyArMTYsMTQgQEAKICNpbmNs dWRlIDxsaW51eC9lcnIuaD4KICNpbmNsdWRlIDxsaW51eC9mYi5oPgogI2luY2x1ZGUgPGxpbnV4 L3NsYWIuaD4KKyNpbmNsdWRlIDxsaW51eC9zcGlubG9jay5oPgogCiAjaWZkZWYgQ09ORklHX1BN QUNfQkFDS0xJR0hUCiAjaW5jbHVkZSA8YXNtL2JhY2tsaWdodC5oPgogI2VuZGlmCiAKIHN0YXRp YyBMSVNUX0hFQUQoYmFja2xpZ2h0X2Rldl9saXN0KTsKLXN0YXRpYyBERUZJTkVfTVVURVgoYmFj a2xpZ2h0X2Rldl9saXN0X211dGV4KTsKK3N0YXRpYyBERUZJTkVfU1BJTkxPQ0soYmFja2xpZ2h0 X2Rldl9saXN0X2xvY2spOwogc3RhdGljIEJMT0NLSU5HX05PVElGSUVSX0hFQUQoYmFja2xpZ2h0 X25vdGlmaWVyKTsKIAogc3RhdGljIGNvbnN0IGNoYXIgKmNvbnN0IGJhY2tsaWdodF90eXBlc1td ID0gewpAQCAtMzc4LDkgKzM3OSw5IEBAIHN0cnVjdCBiYWNrbGlnaHRfZGV2aWNlICpiYWNrbGln aHRfZGV2aWNlX3JlZ2lzdGVyKGNvbnN0IGNoYXIgKm5hbWUsCiAJbXV0ZXhfdW5sb2NrKCZwbWFj X2JhY2tsaWdodF9tdXRleCk7CiAjZW5kaWYKIAotCW11dGV4X2xvY2soJmJhY2tsaWdodF9kZXZf bGlzdF9tdXRleCk7CisJc3Bpbl9sb2NrX2lycSgmYmFja2xpZ2h0X2Rldl9saXN0X2xvY2spOwog CWxpc3RfYWRkKCZuZXdfYmQtPmVudHJ5LCAmYmFja2xpZ2h0X2Rldl9saXN0KTsKLQltdXRleF91 bmxvY2soJmJhY2tsaWdodF9kZXZfbGlzdF9tdXRleCk7CisJc3Bpbl91bmxvY2tfaXJxKCZiYWNr bGlnaHRfZGV2X2xpc3RfbG9jayk7CiAKIAlibG9ja2luZ19ub3RpZmllcl9jYWxsX2NoYWluKCZi YWNrbGlnaHRfbm90aWZpZXIsCiAJCQkJICAgICBCQUNLTElHSFRfUkVHSVNURVJFRCwgbmV3X2Jk KTsKQEAgLTM5MywxNSArMzk0LDE2IEBAIHN0cnVjdCBiYWNrbGlnaHRfZGV2aWNlICpiYWNrbGln aHRfZGV2aWNlX2dldF9ieV90eXBlKGVudW0gYmFja2xpZ2h0X3R5cGUgdHlwZSkKIHsKIAlib29s IGZvdW5kID0gZmFsc2U7CiAJc3RydWN0IGJhY2tsaWdodF9kZXZpY2UgKmJkOworCXVuc2lnbmVk IGxvbmcgZmxhZ3M7CiAKLQltdXRleF9sb2NrKCZiYWNrbGlnaHRfZGV2X2xpc3RfbXV0ZXgpOwor CXNwaW5fbG9ja19pcnFzYXZlKCZiYWNrbGlnaHRfZGV2X2xpc3RfbG9jaywgZmxhZ3MpOwogCWxp c3RfZm9yX2VhY2hfZW50cnkoYmQsICZiYWNrbGlnaHRfZGV2X2xpc3QsIGVudHJ5KSB7CiAJCWlm IChiZC0+cHJvcHMudHlwZSA9PSB0eXBlKSB7CiAJCQlmb3VuZCA9IHRydWU7CiAJCQlicmVhazsK IAkJfQogCX0KLQltdXRleF91bmxvY2soJmJhY2tsaWdodF9kZXZfbGlzdF9tdXRleCk7CisJc3Bp bl91bmxvY2tfaXJxcmVzdG9yZSgmYmFja2xpZ2h0X2Rldl9saXN0X2xvY2ssIGZsYWdzKTsKIAog CXJldHVybiBmb3VuZCA/IGJkIDogTlVMTDsKIH0KQEAgLTQxOCw5ICs0MjAsOSBAQCB2b2lkIGJh Y2tsaWdodF9kZXZpY2VfdW5yZWdpc3RlcihzdHJ1Y3QgYmFja2xpZ2h0X2RldmljZSAqYmQpCiAJ aWYgKCFiZCkKIAkJcmV0dXJuOwogCi0JbXV0ZXhfbG9jaygmYmFja2xpZ2h0X2Rldl9saXN0X211 dGV4KTsKKwlzcGluX2xvY2tfaXJxKCZiYWNrbGlnaHRfZGV2X2xpc3RfbG9jayk7CiAJbGlzdF9k ZWwoJmJkLT5lbnRyeSk7Ci0JbXV0ZXhfdW5sb2NrKCZiYWNrbGlnaHRfZGV2X2xpc3RfbXV0ZXgp OworCXNwaW5fdW5sb2NrX2lycSgmYmFja2xpZ2h0X2Rldl9saXN0X2xvY2spOwogCiAjaWZkZWYg Q09ORklHX1BNQUNfQkFDS0xJR0hUCiAJbXV0ZXhfbG9jaygmcG1hY19iYWNrbGlnaHRfbXV0ZXgp OwotLSAKMi45LjMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZl bAo=