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[86.27.177.88]) by smtp.gmail.com with ESMTPSA id t16sm2741411wmq.43.2022.02.14.06.30.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Feb 2022 06:30:14 -0800 (PST) Date: Mon, 14 Feb 2022 14:30:12 +0000 From: Lee Jones To: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= Cc: Maxime Coquelin , linux-kernel@vger.kernel.org, Alexandre Torgue , kernel@pengutronix.de, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] mfd: stmfx: Improve error message triggered by regulator fault in .remove() Message-ID: References: <20220207081709.27288-1-u.kleine-koenig@pengutronix.de> <20220214140639.jmdldyne6ffq4dlq@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220214140639.jmdldyne6ffq4dlq@pengutronix.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220214_063016_504572_B4DD52CD X-CRM114-Status: GOOD ( 29.48 ) 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 T24gTW9uLCAxNCBGZWIgMjAyMiwgVXdlIEtsZWluZS1Lw7ZuaWcgd3JvdGU6Cgo+IE9uIE1vbiwg RmViIDE0LCAyMDIyIGF0IDAxOjQ2OjM3UE0gKzAwMDAsIExlZSBKb25lcyB3cm90ZToKPiA+IE9u IE1vbiwgMDcgRmViIDIwMjIsIFV3ZSBLbGVpbmUtS8O2bmlnIHdyb3RlOgo+ID4gCj4gPiA+IFJl dHVybmluZyBhIG5vbi16ZXJvIHZhbHVlIGluIGFuIGkyYyByZW1vdmUgY2FsbGJhY2sgcmVzdWx0 cyBpbiB0aGUgaTJjCj4gPiA+IGNvcmUgZW1pdHRpbmcgYSB2ZXJ5IGdlbmVyaWMgZXJyb3IgbWVz c2FnZSAoInJlbW92ZSBmYWlsZWQgKC1FU09NRVRISU5HKSwKPiA+ID4gd2lsbCBiZSBpZ25vcmVk IikgYW5kIGFzIHRoZSBtZXNzYWdlIGluZGljYXRlcyBub3QgZnVydGhlciBlcnJvciBoYW5kbGlu Zwo+ID4gPiBpcyBkb25lLgo+ID4gPiAKPiA+ID4gSW5zdGVhZCBlbWl0IGEgbW9yZSBzcGVjaWZp YyBlcnJvciBtZXNzYWdlIGFuZCB0aGVuIHJldHVybiB6ZXJvIGluCj4gPiA+IC5yZW1vdmUoKS4K PiA+ID4gCj4gPiA+IFRoZSBsb25nLXRlcm0gZ29hbCBpcyB0byBtYWtlIHRoZSBpMmMgcmVtb3Zl IHByb3RvdHlwZSByZXR1cm4gdm9pZCwgbWFraW5nCj4gPiA+IGFsbCBpbXBsZW1lbnRhdGlvbnMg cmV0dXJuIDAgaXMgcHJlcGFyYXRvcnkgd29yayBmb3IgdGhpcyBjaGFuZ2UuCj4gPiA+IAo+ID4g PiBTaWduZWQtb2ZmLWJ5OiBVd2UgS2xlaW5lLUvDtm5pZyA8dS5rbGVpbmUta29lbmlnQHBlbmd1 dHJvbml4LmRlPgo+ID4gPiAtLS0KPiA+ID4gIGRyaXZlcnMvbWZkL3N0bWZ4LmMgfCAxNiArKysr KysrKysrKy0tLS0tCj4gPiA+ICAxIGZpbGUgY2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKSwgNSBk ZWxldGlvbnMoLSkKPiA+ID4gCj4gPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL21mZC9zdG1meC5j IGIvZHJpdmVycy9tZmQvc3RtZnguYwo+ID4gPiBpbmRleCBlMDk1YTM5MzAxNDIuLjE2NjMxYzY3 NWYyZiAxMDA2NDQKPiA+ID4gLS0tIGEvZHJpdmVycy9tZmQvc3RtZnguYwo+ID4gPiArKysgYi9k cml2ZXJzL21mZC9zdG1meC5jCj4gPiA+IEBAIC0zOTIsMTcgKzM5MiwyMSBAQCBzdGF0aWMgaW50 IHN0bWZ4X2NoaXBfaW5pdChzdHJ1Y3QgaTJjX2NsaWVudCAqY2xpZW50KQo+ID4gPiAgCXJldHVy biByZXQ7Cj4gPiA+ICB9Cj4gPiA+ICAKPiA+ID4gLXN0YXRpYyBpbnQgc3RtZnhfY2hpcF9leGl0 KHN0cnVjdCBpMmNfY2xpZW50ICpjbGllbnQpCj4gPiA+ICtzdGF0aWMgdm9pZCBzdG1meF9jaGlw X2V4aXQoc3RydWN0IGkyY19jbGllbnQgKmNsaWVudCkKPiA+ID4gIHsKPiA+ID4gIAlzdHJ1Y3Qg c3RtZnggKnN0bWZ4ID0gaTJjX2dldF9jbGllbnRkYXRhKGNsaWVudCk7Cj4gPiA+ICAKPiA+ID4g IAlyZWdtYXBfd3JpdGUoc3RtZngtPm1hcCwgU1RNRlhfUkVHX0lSUV9TUkNfRU4sIDApOwo+ID4g PiAgCXJlZ21hcF93cml0ZShzdG1meC0+bWFwLCBTVE1GWF9SRUdfU1lTX0NUUkwsIDApOwo+ID4g PiAgCj4gPiA+IC0JaWYgKHN0bWZ4LT52ZGQpCj4gPiA+IC0JCXJldHVybiByZWd1bGF0b3JfZGlz YWJsZShzdG1meC0+dmRkKTsKPiA+ID4gKwlpZiAoc3RtZngtPnZkZCkgewo+ID4gPiArCQlpbnQg cmV0ID0gcmVndWxhdG9yX2Rpc2FibGUoc3RtZngtPnZkZCk7Cj4gPiA+ICAKPiA+ID4gLQlyZXR1 cm4gMDsKPiA+ID4gKwkJaWYgKHJldCkKPiA+IAo+ID4gTml0OiBQcmVtaXNlIG9mIHRoZSBwYXRj aCBpcyBmaW5lLCBidXQgcGxlYXNlIGNhbiB5b3UgdXNlIHRoZSBzdGFuZGFyZAo+ID4gZnVuY3Rp b24gY2FsbCwgY2hlY2sgdGhlIHJldHVybiB2YWx1ZSBmb3JtYXQgcGxlYXNlLiAgU29tZXRoaW5n IGFib3V0Cj4gPiB0aGlzIGlzIHRyaWdnZXJpbmcgbXkgT0NEISA6KQo+ID4gCj4gPiAgICAgIAlp bnQgcmV0Owo+ID4gCj4gPiAJcmV0ID0gcmVndWxhdG9yX2Rpc2FibGUoc3RtZngtPnZkZCk7Cj4g PiAJaWYgKHJldCkKPiA+IAkJZG9fdGhpbmcoKTsKPiAKPiBOb3Qgc3VyZSBJIHVuZGVyc3RhbmQg eW91IGNvcnJlY3RseS4gRG8geW91IHdhbnQganVzdDoKPiAKPiAgCXJlZ21hcF93cml0ZShzdG1m eC0+bWFwLCBTVE1GWF9SRUdfU1lTX0NUUkwsIDApOwo+ICAKPiAgCWlmIChzdG1meC0+dmRkKSB7 Cj4gLQkJaW50IHJldCA9IHJlZ3VsYXRvcl9kaXNhYmxlKHN0bWZ4LT52ZGQpOwo+ICsJCWludCBy ZXQ7Cj4gKwo+ICsJCXJldCA9IHJlZ3VsYXRvcl9kaXNhYmxlKHN0bWZ4LT52ZGQpOwo+ICAJCWlm IChyZXQpCj4gIC4uLgo+IAo+IHNxdWFzaGVkIGludG8gdGhlIHBhdGNoPwoKRWZmZWN0aXZlbHks IHllcyBwbGVhc2UuCgpUaGUgZGlmZiB3b3VsZCBsb29rIGxpa2U6Cgo+ID4gPiAtCWlmIChzdG1m eC0+dmRkKQo+ID4gPiAtCQlyZXR1cm4gcmVndWxhdG9yX2Rpc2FibGUoc3RtZngtPnZkZCk7Cj4g PiA+ICsJaWYgKHN0bWZ4LT52ZGQpIHsKPiA+ID4gKwkJaW50IHJldDsKPiA+ID4gKwo+ID4gPiAr CQlyZXQgPSByZWd1bGF0b3JfZGlzYWJsZShzdG1meC0+dmRkKTsKPiA+ID4gLQo+ID4gPiAtCXJl dHVybiAwOwo+ID4gPiArCQlpZiAocmV0KQoKVGhhbmtzLgoKLS0gCkxlZSBKb25lcyBb5p2O55C8 5pavXQpQcmluY2lwYWwgVGVjaG5pY2FsIExlYWQgLSBEZXZlbG9wZXIgU2VydmljZXMKTGluYXJv Lm9yZyDilIIgT3BlbiBzb3VyY2Ugc29mdHdhcmUgZm9yIEFybSBTb0NzCkZvbGxvdyBMaW5hcm86 IEZhY2Vib29rIHwgVHdpdHRlciB8IEJsb2cKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFy bS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK