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Sun, 10 Mar 2024 06:10:52 -0700 (PDT) Received: from thinkpad ([120.138.12.86]) by smtp.gmail.com with ESMTPSA id i14-20020a17090332ce00b001dd621111e2sm2642256plr.194.2024.03.10.06.10.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 Mar 2024 06:10:51 -0700 (PDT) Date: Sun, 10 Mar 2024 18:40:43 +0530 From: Manivannan Sadhasivam To: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= Cc: Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Bjorn Helgaas , Heiko Stuebner , Lei Chuanhua , Jesper Nilsson , Nobuhiro Iwamatsu , Yoshihiro Shimoda , Serge Semin , Damien Le Moal , Rob Herring , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH v2] PCI: dw-rockchip: Add error messages in .probe()s error paths Message-ID: <20240310131043.GD3390@thinkpad> References: <20240227141256.413055-2-ukleinek@debian.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240227141256.413055-2-ukleinek@debian.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240310_061106_524709_C0F2CF78 X-CRM114-Status: GOOD ( 23.67 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org T24gVHVlLCBGZWIgMjcsIDIwMjQgYXQgMDM6MTI6NTRQTSArMDEwMCwgVXdlIEtsZWluZS1Lw7Zu aWcgd3JvdGU6Cj4gRHJpdmVycyB0aGF0IHNpbGVudGx5IGZhaWwgdG8gcHJvYmUgcHJvdmlkZSBh IGJhZCB1c2VyIGV4cGVyaWVuY2UgYW5kCj4gbWFrZSBpdCB1bm5lY2Vzc2FyaWx5IGhhcmQgdG8g ZGVidWcgc3VjaCBhIGZhaWx1cmUuIEZpeCBpdCBieSB1c2luZwo+IGRldl9lcnJfcHJvYmUoKSBp bnN0ZWFkIG9mIGEgcGxhaW4gcmV0dXJuLgo+IAo+IFJldmlld2VkLWJ5OiBIZWlrbyBTdHVlYm5l ciA8aGVpa29Ac250ZWNoLmRlPgo+IFNpZ25lZC1vZmYtYnk6IFV3ZSBLbGVpbmUtS8O2bmlnIDx1 a2xlaW5la0BkZWJpYW4ub3JnPgoKUmV2aWV3ZWQtYnk6IE1hbml2YW5uYW4gU2FkaGFzaXZhbSA8 bWFuaXZhbm5hbi5zYWRoYXNpdmFtQGxpbmFyby5vcmc+CgotIE1hbmkKCj4gLS0tCj4gSGVsbG8s Cj4gCj4gY2hhbmdlcyBzaW5jZSAoaW1wbGljaXQpIHYxLCBzZW50IHdpdGggTWVzc2FnZS1JZDoK PiAyMDI0MDIyNzExMTgzNy4zOTU0MjItMi11a2xlaW5la0BkZWJpYW4ub3JnOgo+IAo+ICAtIHVz ZSBkZXYgaW5zdGVhZCBvZiByb2NrY2hpcC0+cGNpLmRldiBhcyBub3RpY2VkIGJ5IFNlcmdlIFNl bWluLgo+ICAtIGFkZGVkIFJldmlld2VkLWJ5OiB0YWcgZm9yIEhlaWtvLiBJIGFzc3VtZSBoZSBh Z3JlZXMgdG8gYWJvdmUKPiAgICBpbXByb3ZlbWVudCBhbmQgYWRkaW5nIHRoZSB0YWcgZGVzcGl0 ZSB0aGUgY2hhbmdlIGlzIGZpbmUuCj4gCj4gQmVzdCByZWdhcmRzCj4gVXdlCj4gCj4gIGRyaXZl cnMvcGNpL2NvbnRyb2xsZXIvZHdjL3BjaWUtZHctcm9ja2NoaXAuYyB8IDIxICsrKysrKysrKysr Ky0tLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDEzIGluc2VydGlvbnMoKyksIDggZGVsZXRpb25z KC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvcGNpL2NvbnRyb2xsZXIvZHdjL3BjaWUtZHct cm9ja2NoaXAuYyBiL2RyaXZlcnMvcGNpL2NvbnRyb2xsZXIvZHdjL3BjaWUtZHctcm9ja2NoaXAu Ywo+IGluZGV4IGQ2ODQyMTQxZDM4NC4uYTEzY2E4M2NlMjYwIDEwMDY0NAo+IC0tLSBhL2RyaXZl cnMvcGNpL2NvbnRyb2xsZXIvZHdjL3BjaWUtZHctcm9ja2NoaXAuYwo+ICsrKyBiL2RyaXZlcnMv cGNpL2NvbnRyb2xsZXIvZHdjL3BjaWUtZHctcm9ja2NoaXAuYwo+IEBAIC0yMjUsMTEgKzIyNSwx NSBAQCBzdGF0aWMgaW50IHJvY2tjaGlwX3BjaWVfY2xrX2luaXQoc3RydWN0IHJvY2tjaGlwX3Bj aWUgKnJvY2tjaGlwKQo+ICAKPiAgCXJldCA9IGRldm1fY2xrX2J1bGtfZ2V0X2FsbChkZXYsICZy b2NrY2hpcC0+Y2xrcyk7Cj4gIAlpZiAocmV0IDwgMCkKPiAtCQlyZXR1cm4gcmV0Owo+ICsJCXJl dHVybiBkZXZfZXJyX3Byb2JlKGRldiwgcmV0LCAiZmFpbGVkIHRvIGdldCBjbG9ja3NcbiIpOwo+ ICAKPiAgCXJvY2tjaGlwLT5jbGtfY250ID0gcmV0Owo+ICAKPiAtCXJldHVybiBjbGtfYnVsa19w cmVwYXJlX2VuYWJsZShyb2NrY2hpcC0+Y2xrX2NudCwgcm9ja2NoaXAtPmNsa3MpOwo+ICsJcmV0 ID0gY2xrX2J1bGtfcHJlcGFyZV9lbmFibGUocm9ja2NoaXAtPmNsa19jbnQsIHJvY2tjaGlwLT5j bGtzKTsKPiArCWlmIChyZXQpCj4gKwkJcmV0dXJuIGRldl9lcnJfcHJvYmUoZGV2LCByZXQsICJm YWlsZWQgdG8gZW5hYmxlIGNsb2Nrc1xuIik7Cj4gKwo+ICsJcmV0dXJuIDA7Cj4gIH0KPiAgCj4g IHN0YXRpYyBpbnQgcm9ja2NoaXBfcGNpZV9yZXNvdXJjZV9nZXQoc3RydWN0IHBsYXRmb3JtX2Rl dmljZSAqcGRldiwKPiBAQCAtMjM3LDEyICsyNDEsMTQgQEAgc3RhdGljIGludCByb2NrY2hpcF9w Y2llX3Jlc291cmNlX2dldChzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2LAo+ICB7Cj4gIAly b2NrY2hpcC0+YXBiX2Jhc2UgPSBkZXZtX3BsYXRmb3JtX2lvcmVtYXBfcmVzb3VyY2VfYnluYW1l KHBkZXYsICJhcGIiKTsKPiAgCWlmIChJU19FUlIocm9ja2NoaXAtPmFwYl9iYXNlKSkKPiAtCQly ZXR1cm4gUFRSX0VSUihyb2NrY2hpcC0+YXBiX2Jhc2UpOwo+ICsJCXJldHVybiBkZXZfZXJyX3By b2JlKCZwZGV2LT5kZXYsIFBUUl9FUlIocm9ja2NoaXAtPmFwYl9iYXNlKSwKPiArCQkJCSAgICAg ImZhaWxlZCB0byBtYXAgYXBiIHJlZ2lzdGVyc1xuIik7Cj4gIAo+ICAJcm9ja2NoaXAtPnJzdF9n cGlvID0gZGV2bV9ncGlvZF9nZXRfb3B0aW9uYWwoJnBkZXYtPmRldiwgInJlc2V0IiwKPiAgCQkJ CQkJICAgICBHUElPRF9PVVRfSElHSCk7Cj4gIAlpZiAoSVNfRVJSKHJvY2tjaGlwLT5yc3RfZ3Bp bykpCj4gLQkJcmV0dXJuIFBUUl9FUlIocm9ja2NoaXAtPnJzdF9ncGlvKTsKPiArCQlyZXR1cm4g ZGV2X2Vycl9wcm9iZSgmcGRldi0+ZGV2LCBQVFJfRVJSKHJvY2tjaGlwLT5yc3RfZ3BpbyksCj4g KwkJCQkgICAgICJmYWlsZWQgdG8gZ2V0IHJlc2V0IGdwaW9cbiIpOwo+ICAKPiAgCXJvY2tjaGlw LT5yc3QgPSBkZXZtX3Jlc2V0X2NvbnRyb2xfYXJyYXlfZ2V0X2V4Y2x1c2l2ZSgmcGRldi0+ZGV2 KTsKPiAgCWlmIChJU19FUlIocm9ja2NoaXAtPnJzdCkpCj4gQEAgLTMyMCwxMCArMzI2LDkgQEAg c3RhdGljIGludCByb2NrY2hpcF9wY2llX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBk ZXYpCj4gIAkJcm9ja2NoaXAtPnZwY2llM3YzID0gTlVMTDsKPiAgCX0gZWxzZSB7Cj4gIAkJcmV0 ID0gcmVndWxhdG9yX2VuYWJsZShyb2NrY2hpcC0+dnBjaWUzdjMpOwo+IC0JCWlmIChyZXQpIHsK PiAtCQkJZGV2X2VycihkZXYsICJmYWlsZWQgdG8gZW5hYmxlIHZwY2llM3YzIHJlZ3VsYXRvclxu Iik7Cj4gLQkJCXJldHVybiByZXQ7Cj4gLQkJfQo+ICsJCWlmIChyZXQpCj4gKwkJCXJldHVybiBk ZXZfZXJyX3Byb2JlKGRldiwgcmV0LAo+ICsJCQkJCSAgICAgImZhaWxlZCB0byBlbmFibGUgdnBj aWUzdjMgcmVndWxhdG9yXG4iKTsKPiAgCX0KPiAgCj4gIAlyZXQgPSByb2NrY2hpcF9wY2llX3Bo eV9pbml0KHJvY2tjaGlwKTsKPiAKPiBiYXNlLWNvbW1pdDogNjYxMzQ3NmUyMjVlMDkwY2M5YWFk NDliZTdmYTUwNGUyOTBkZDMzZAo+IC0tIAo+IDIuNDMuMAo+IAoKLS0gCuCuruCuo+Cuv+CuteCu o+CvjeCuo+CuqeCvjSDgrprgrqTgrr7grprgrr/grrXgrq7gr40KCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LXJvY2tjaGlwIG1haWxpbmcgbGlz dApMaW51eC1yb2NrY2hpcEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRl YWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcm9ja2NoaXAK