From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BC64DC433EF for ; Sun, 20 Feb 2022 19:44:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xvYq+v5qVmByOtgNUxs+6v1xgYR/WdJv9CXQZsG5ZIY=; b=YKvfThaVA5v3+P zLOBSAy0j7H+nbPBkB8+aEAp/BzGRkWma9R3cNN9cv4TA7PeHOc+euiaJ8geuB2oTarLN6zbdqeQY DUzVy0c2xtb5cpeJViUpciC/WRb/h30xfVdePUhGLT5mIcb6ObWfdYnXsgDEenoeM+KviqekJQ924 RQx5CbP7jqDXx3POTb54VbO0c+oVJZcr2ruwTMzHz+hLlB/Zkm2Pn0Vxl70f29ytPrfwilHrtyMgO jRH4+VMoLu3HV4chuVA23OHPH8+wCRFBeNqiglXasjMeGI/FZ0QsmMh+iXDhy4KDcTS5rA/axBguo 5kRSUkZ7WnbBREfIT6Qg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nLs6c-002FI8-H6; Sun, 20 Feb 2022 19:42:51 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nLrye-002BQF-K3 for linux-arm-kernel@lists.infradead.org; Sun, 20 Feb 2022 19:34:38 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 4BE14B80DB6; Sun, 20 Feb 2022 19:34:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2327DC36AE2; Sun, 20 Feb 2022 19:34:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645385674; bh=Yk4h7+6wOvhJPfvPdF/6j11Ecoy3msqIfaKocxRvsyA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c2O5paZfjIqr9KmrrhqvUKnxdmaa0wPzAODPkX7SAOnrIYl09uLJaEjTib1Nky3GL +i9Ahri204IGa3IG+pBEqyNCj/h7ISO3NOb3axU0vloT9vASJbythfcpN7zd6Bna80 PCeUoEyqLIdQLG6/F6g57XstrY/ryFhkjPxDu9BWp3vA+5DnDQOIXLV/fnoQo/DtFm I/VnuIui2zFetFljgdjAqkQbvwsr6a1P5OxKlFv51bMD9LYNgwkIyuc+73Z3YDOgzM lMWBckMDA7nHHVzzW9GCoEWpKv3edCJm97+RH2MGqtRkKz+bRfRknuL5LcpRxTlFkA eH7bU3lAlwggg== From: =?UTF-8?q?Marek=20Beh=C3=BAn?= To: Lorenzo Pieralisi , Bjorn Helgaas Cc: =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Marc Zyngier , pali@kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Gregory CLEMENT , =?UTF-8?q?Marek=20Beh=C3=BAn?= Subject: [PATCH 18/18] PCI: aardvark: Optimize PCIe card reset via GPIO Date: Sun, 20 Feb 2022 20:33:46 +0100 Message-Id: <20220220193346.23789-19-kabel@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220220193346.23789-1-kabel@kernel.org> References: <20220220193346.23789-1-kabel@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220220_113436_858498_96D99098 X-CRM114-Status: GOOD ( 15.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org RnJvbTogUGFsaSBSb2jDoXIgPHBhbGlAa2VybmVsLm9yZz4KCkN1cnJlbnRseSB3ZSBhbHdheXMg YXNzZXJ0IHJlc2V0IEdQSU8gKGlmIGl0IGlzIGF2YWlsYWJsZSkgZm9yIH4xMG1zLgpCdXQgaWYg dGhlIEdQSU8gd2FzIGFzc2VydGVkIGJlZm9yZSBkcml2ZXIgcHJvYmUgKGJ5IGJvb3Rsb2FkZXIg Zm9yCmV4YW1wbGUpLCB3ZSBkbyBub3QgbmVlZCB0byB3YWl0IHRoZXNlIDEwbXMuCgpBc3NlcnQg cmVzZXQgR1BJTyBmb3IgMTBtcyBvbmx5IGlmIGl0IHdhc24ndCBhc3NlcnRlZC4KCldlIG5lZWQg dG8gZ2V0IHRoZSBHUElPIHdpdGggZmxhZyBHUElPRF9GTEFHU19CSVRfRElSX09VVCBpbnN0ZWFk IG9mCkdQSU9EX09VVF9MT1csIHNvIHRoYXQgaXQncyB2YWx1ZSBpc24ndCBjaGFuZ2VkIHdoZW4g Z2V0dGluZyBpdC4KClNpZ25lZC1vZmYtYnk6IFBhbGkgUm9ow6FyIDxwYWxpQGtlcm5lbC5vcmc+ ClNpZ25lZC1vZmYtYnk6IE1hcmVrIEJlaMO6biA8a2FiZWxAa2VybmVsLm9yZz4KLS0tCiBkcml2 ZXJzL3BjaS9jb250cm9sbGVyL3BjaS1hYXJkdmFyay5jIHwgMTcgKysrKysrKysrKysrLS0tLS0K IDEgZmlsZSBjaGFuZ2VkLCAxMiBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQoKZGlmZiAt LWdpdCBhL2RyaXZlcnMvcGNpL2NvbnRyb2xsZXIvcGNpLWFhcmR2YXJrLmMgYi9kcml2ZXJzL3Bj aS9jb250cm9sbGVyL3BjaS1hYXJkdmFyay5jCmluZGV4IDA1NmY0OWQwZTNhNC4uODBlYjZlOTg5 MjNmIDEwMDY0NAotLS0gYS9kcml2ZXJzL3BjaS9jb250cm9sbGVyL3BjaS1hYXJkdmFyay5jCisr KyBiL2RyaXZlcnMvcGNpL2NvbnRyb2xsZXIvcGNpLWFhcmR2YXJrLmMKQEAgLTQzMSwxMCArNDMx LDE3IEBAIHN0YXRpYyB2b2lkIGFkdmtfcGNpZV9pc3N1ZV9wZXJzdChzdHJ1Y3QgYWR2a19wY2ll ICpwY2llKQogCWlmICghcGNpZS0+cmVzZXRfZ3BpbykKIAkJcmV0dXJuOwogCi0JLyogMTBtcyBk ZWxheSBpcyBuZWVkZWQgZm9yIHNvbWUgY2FyZHMgKi8KLQlkZXZfaW5mbygmcGNpZS0+cGRldi0+ ZGV2LCAiaXNzdWluZyBQRVJTVCB2aWEgcmVzZXQgR1BJTyBmb3IgMTBtc1xuIik7Ci0JZ3Bpb2Rf c2V0X3ZhbHVlX2NhbnNsZWVwKHBjaWUtPnJlc2V0X2dwaW8sIDEpOwotCXVzbGVlcF9yYW5nZSgx MDAwMCwgMTEwMDApOworCS8qCisJICogQXNzZXJ0IFBFUlNUIyBmb3IgYXQgbGVhc3QgMTBtcyBp ZiBpdCB3YXNuJ3QgYXNzZXJ0ZWQgeWV0IChpdCBjb3VsZAorCSAqIGhhdmUgYmVlbiBhc3NlcnRl ZCBieSBib290bG9hZGVyIG9yIGJ5IEdQSU8gZHJpdmVyLCBmb3IgZXhhbXBsZSkuCisJICovCisJ aWYgKCFncGlvZF9nZXRfdmFsdWUocGNpZS0+cmVzZXRfZ3BpbykpIHsKKwkJZGV2X2luZm8oJnBj aWUtPnBkZXYtPmRldiwgImlzc3VpbmcgUEVSU1QgdmlhIHJlc2V0IEdQSU8gZm9yIDEwbXNcbiIp OworCQlncGlvZF9zZXRfdmFsdWVfY2Fuc2xlZXAocGNpZS0+cmVzZXRfZ3BpbywgMSk7CisJCXVz bGVlcF9yYW5nZSgxMDAwMCwgMTEwMDApOworCX0KKworCS8qIERlLWFzc2VydCBQRVJTVCMgKi8K IAlncGlvZF9zZXRfdmFsdWVfY2Fuc2xlZXAocGNpZS0+cmVzZXRfZ3BpbywgMCk7CiB9CiAKQEAg LTIwNDksNyArMjA1Niw3IEBAIHN0YXRpYyBpbnQgYWR2a19wY2llX3Byb2JlKHN0cnVjdCBwbGF0 Zm9ybV9kZXZpY2UgKnBkZXYpCiAKIAlwY2llLT5yZXNldF9ncGlvID0gZGV2bV9ncGlvZF9nZXRf ZnJvbV9vZl9ub2RlKGRldiwgZGV2LT5vZl9ub2RlLAogCQkJCQkJICAgICAgICJyZXNldC1ncGlv cyIsIDAsCi0JCQkJCQkgICAgICAgR1BJT0RfT1VUX0xPVywKKwkJCQkJCSAgICAgICBHUElPRF9G TEFHU19CSVRfRElSX09VVCwKIAkJCQkJCSAgICAgICAicGNpZTEtcmVzZXQiKTsKIAlyZXQgPSBQ VFJfRVJSX09SX1pFUk8ocGNpZS0+cmVzZXRfZ3Bpbyk7CiAJaWYgKHJldCkgewotLSAKMi4zNC4x CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgt YXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQu b3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJt LWtlcm5lbAo=