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Thu, 28 May 2020 16:32:05 +0200 (CEST) From: =?UTF-8?q?Pali=20Roh=C3=A1r?= To: Thomas Petazzoni , Lorenzo Pieralisi , Andrew Murray , Bjorn Helgaas , =?UTF-8?q?Marek=20Beh=C3=BAn?= , Remi Pommarel , Tomasz Maciej Nowak , Xogium Subject: [PATCH] PCI: aardvark: Don't touch PCIe registers if no card connected Date: Thu, 28 May 2020 16:31:41 +0200 Message-Id: <20200528143141.29956-1-pali@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200528_073209_912735_D8EC3D1F X-CRM114-Status: GOOD ( 12.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org V2hlbiB0aGVyZSBpcyBubyBQQ0llIGNhcmQgY29ubmVjdGVkIGFuZCBhZHZrX3BjaWVfcmRfY29u ZigpIG9yCmFkdmtfcGNpZV93cl9jb25mKCkgaXMgY2FsbGVkIGZvciBQQ0kgYnVzIHdoaWNoIGRv ZXNuJ3QgYmVsb25nIHRvIGVtdWxhdGVkCnJvb3QgYnJpZGdlLCB0aGUgYWFyZHZhcmsgZHJpdmVy IHRocm93cyB0aGUgZm9sbG93aW5nIGVycm9yIG1lc3NhZ2U6CgogIGFkdmstcGNpZSBkMDA3MDAw MC5wY2llOiBjb25maWcgcmVhZC93cml0ZSB0aW1lZCBvdXQKCk9idmlvdXNseSBhY2Nlc3Npbmcg UENJZSByZWdpc3RlcnMgb2YgZGlzY29ubmVjdGVkIGNhcmQgaXMgbm90IHBvc3NpYmxlLgoKRXh0 ZW5kIGNoZWNrIGluIGFkdmtfcGNpZV92YWxpZF9kZXZpY2UoKSBmdW5jdGlvbiBmb3IgdmFsaWRh dGluZwphdmFpbGFiaWxpdHkgb2YgUENJZSBidXMuIElmIFBDSWUgbGluayBpcyBkb3duLCB0aGVu IHRoZSBkZXZpY2UgaXMgbWFya2VkCmFzIE5vdCBGb3VuZCBhbmQgdGhlIGRyaXZlciBkb2VzIG5v dCB0cnkgdG8gYWNjZXNzIHRoZXNlIHJlZ2lzdGVycy4KClNpZ25lZC1vZmYtYnk6IFBhbGkgUm9o w6FyIDxwYWxpQGtlcm5lbC5vcmc+Ci0tLQogZHJpdmVycy9wY2kvY29udHJvbGxlci9wY2ktYWFy ZHZhcmsuYyB8IDMgKysrCiAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspCgpkaWZmIC0t Z2l0IGEvZHJpdmVycy9wY2kvY29udHJvbGxlci9wY2ktYWFyZHZhcmsuYyBiL2RyaXZlcnMvcGNp L2NvbnRyb2xsZXIvcGNpLWFhcmR2YXJrLmMKaW5kZXggOTBmZjI5MWMyNGYwLi41M2E0Y2ZkN2Qz NzcgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvcGNpL2NvbnRyb2xsZXIvcGNpLWFhcmR2YXJrLmMKKysr IGIvZHJpdmVycy9wY2kvY29udHJvbGxlci9wY2ktYWFyZHZhcmsuYwpAQCAtNjQ0LDYgKzY0NCw5 IEBAIHN0YXRpYyBib29sIGFkdmtfcGNpZV92YWxpZF9kZXZpY2Uoc3RydWN0IGFkdmtfcGNpZSAq cGNpZSwgc3RydWN0IHBjaV9idXMgKmJ1cywKIAlpZiAoKGJ1cy0+bnVtYmVyID09IHBjaWUtPnJv b3RfYnVzX25yKSAmJiBQQ0lfU0xPVChkZXZmbikgIT0gMCkKIAkJcmV0dXJuIGZhbHNlOwogCisJ aWYgKGJ1cy0+bnVtYmVyICE9IHBjaWUtPnJvb3RfYnVzX25yICYmICFhZHZrX3BjaWVfbGlua191 cChwY2llKSkKKwkJcmV0dXJuIGZhbHNlOworCiAJcmV0dXJuIHRydWU7CiB9CiAKLS0gCjIuMjAu MQoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4 LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFk Lm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFy bS1rZXJuZWwK