From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Subject: [PATCH 1/2] i2c: designware: Never suspend i2c-busses used for accessing the system PMIC Date: Mon, 27 Feb 2017 10:38:29 +0100 Message-ID: <20170227093830.3416-2-hdegoede@redhat.com> References: <20170227093830.3416-1-hdegoede@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170227093830.3416-1-hdegoede@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jarkko Nikula , Wolfram Sang , Len Brown , Andy Shevchenko Cc: Takashi Iwai , "russianneuromancer @ ya . ru" , intel-gfx , Hans de Goede , linux-i2c@vger.kernel.org, Mika Westerberg List-Id: linux-i2c@vger.kernel.org Q3VycmVudGx5IHdlIGFyZSBhbHJlYWR5IHNldHRpbmcgYSBwbV9ydW50aW1lX2Rpc2FibGVkIGZs YWcgYW5kIGRpc2FibGluZwpydW50aW1lLXBtIGZvciBpMmMtYnVzc2VzIHVzZWQgZm9yIGFjY2Vz c2luZyB0aGUgc3lzdGVtIFBNSUMgb24geDg2LgpCdXQgdGhpcyBpcyBub3QgZW5vdWdoLCB0aGVy ZSBhcmUgQUNQSSBvcHJlZ2lvbnMgd2hpY2ggbWF5IHdhbnQgdG8gYWNjZXNzCnRoZSBQTUlDIGR1 cmluZyBsYXRlLXN1c3BlbmQgYW5kIGVhcmx5LXJlc3VtZSwgc28gd2UgbmVlZCB0byBjb21wbGV0 ZWx5CmRpc2FibGUgcG0gdG8gYmUgc2FmZS4KClRoaXMgY29tbWl0IHJlbmFtZXMgdGhlIGZsYWcg ZnJvbSBwbV9ydW50aW1lX2Rpc2FibGVkIHRvIHBtX2Rpc2FibGVkIGFuZAphZGRzIHRoZSBmb2xs b3dpbmcgbmV3IGJlaGF2aW9yIGlmIHRoZSBmbGFnIGlzIHNldDoKCjEpIENhbGwgZGV2X3BtX3N5 c2NvcmVfZGV2aWNlKGRldiwgdHJ1ZSkgd2hpY2ggZGlzYWJsZXMgbm9ybWFsIHN1c3BlbmQgLwog ICByZXN1bWUgYW5kIHJlbW92ZSB0aGUgcG1fcnVudGltZV9kaXNhYmxlZCBjaGVjayBmcm9tIGR3 X2kyY19wbGF0X3Jlc3VtZQogICBzaW5jZSB0aGF0IHdpbGwgbm93IG5ldmVyIGdldCBjYWxsZWQu IFRoaXMgZml4ZXMgc3VzcGVuZF9sYXRlIGhhbmRsZXJzCiAgIHdoaWNoIHVzZSBBQ1BJIFBNSUMg b3ByZWdpb25zIGNhdXNpbmcgZXJyb3JzIGxpa2UgdGhlc2U6CgogIFBNOiBTdXNwZW5kaW5nIHN5 c3RlbSAoZnJlZXplKQogIFBNOiBzdXNwZW5kIG9mIGRldmljZXMgY29tcGxldGUgYWZ0ZXIgMTEy Ny43NTEgbXNlY3MKICBpMmNfZGVzaWdud2FyZSA4MDg2MjJDMTowNjogdGltZW91dCB3YWl0aW5n IGZvciBidXMgcmVhZHkKICBBQ1BJIEV4Y2VwdGlvbjogQUVfRVJST1IsIFJldHVybmVkIGJ5IEhh bmRsZXIgZm9yIFtVc2VyRGVmaW5lZFJlZ2lvbl0KICBhY3BpIDgwODYwRjE0OjAyOiBGYWlsZWQg dG8gY2hhbmdlIHBvd2VyIHN0YXRlIHRvIEQzaG90CiAgUE06IGxhdGUgc3VzcGVuZCBvZiBkZXZp Y2VzIGZhaWxlZAoKMikgU2V0IElSUUZfTk9fU1VTUEVORCBpcnEgZmxhZy4gVGhpcyBmaXhlcyBy ZXN1bWVfZWFybHkgaGFuZGxlcnMgd2hpY2gKICAgaGFuZGxlcnMgd2hpY2ggdXNlIEFDUEkgUE1J QyBvcHJlZ2lvbnMgY2F1c2luZyBlcnJvcnMgbGlrZSB0aGVzZToKCiAgUE06IHJlc3VtZSBmcm9t IHN1c3BlbmQtdG8taWRsZQogIGkyY19kZXNpZ253YXJlIDgwODYyMkMxOjA2OiBjb250cm9sbGVy IHRpbWVkIG91dAogIEFDUEkgRXhjZXB0aW9uOiBBRV9FUlJPUiwgUmV0dXJuZWQgYnkgSGFuZGxl ciBmb3IgW1VzZXJEZWZpbmVkUmVnaW9uXQoKU2lnbmVkLW9mZi1ieTogSGFucyBkZSBHb2VkZSA8 aGRlZ29lZGVAcmVkaGF0LmNvbT4KLS0tCiBkcml2ZXJzL2kyYy9idXNzZXMvaTJjLWRlc2lnbndh cmUtYmF5dHJhaWwuYyB8ICAyICstCiBkcml2ZXJzL2kyYy9idXNzZXMvaTJjLWRlc2lnbndhcmUt Y29yZS5jICAgICB8IDEwICsrKysrKysrLS0KIGRyaXZlcnMvaTJjL2J1c3Nlcy9pMmMtZGVzaWdu d2FyZS1jb3JlLmggICAgIHwgIDQgKystLQogZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1kZXNpZ253 YXJlLXBsYXRkcnYuYyAgfCAxMCArKysrLS0tLS0tCiA0IGZpbGVzIGNoYW5nZWQsIDE1IGluc2Vy dGlvbnMoKyksIDExIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvaTJjL2J1c3Nl cy9pMmMtZGVzaWdud2FyZS1iYXl0cmFpbC5jIGIvZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1kZXNp Z253YXJlLWJheXRyYWlsLmMKaW5kZXggMTc0OWEwZi4uYjhjYzIyNiAxMDA2NDQKLS0tIGEvZHJp dmVycy9pMmMvYnVzc2VzL2kyYy1kZXNpZ253YXJlLWJheXRyYWlsLmMKKysrIGIvZHJpdmVycy9p MmMvYnVzc2VzL2kyYy1kZXNpZ253YXJlLWJheXRyYWlsLmMKQEAgLTE3MCw3ICsxNzAsNyBAQCBp bnQgaTJjX2R3X3Byb2JlX2xvY2tfc3VwcG9ydChzdHJ1Y3QgZHdfaTJjX2RldiAqZGV2KQogCWRl dl9pbmZvKGRldi0+ZGV2LCAiSTJDIGJ1cyBtYW5hZ2VkIGJ5IFBVTklUXG4iKTsKIAlkZXYtPmFj cXVpcmVfbG9jayA9IGJheXRyYWlsX2kyY19hY3F1aXJlOwogCWRldi0+cmVsZWFzZV9sb2NrID0g YmF5dHJhaWxfaTJjX3JlbGVhc2U7Ci0JZGV2LT5wbV9ydW50aW1lX2Rpc2FibGVkID0gdHJ1ZTsK KwlkZXYtPnBtX2Rpc2FibGVkID0gdHJ1ZTsKIAogCXBtX3Fvc19hZGRfcmVxdWVzdCgmZGV2LT5w bV9xb3MsIFBNX1FPU19DUFVfRE1BX0xBVEVOQ1ksCiAJCQkgICBQTV9RT1NfREVGQVVMVF9WQUxV RSk7CmRpZmYgLS1naXQgYS9kcml2ZXJzL2kyYy9idXNzZXMvaTJjLWRlc2lnbndhcmUtY29yZS5j IGIvZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1kZXNpZ253YXJlLWNvcmUuYwppbmRleCA4YzNiYTQy Li4zZDg2MDU5IDEwMDY0NAotLS0gYS9kcml2ZXJzL2kyYy9idXNzZXMvaTJjLWRlc2lnbndhcmUt Y29yZS5jCisrKyBiL2RyaXZlcnMvaTJjL2J1c3Nlcy9pMmMtZGVzaWdud2FyZS1jb3JlLmMKQEAg LTk2Miw2ICs5NjIsNyBAQCBFWFBPUlRfU1lNQk9MX0dQTChpMmNfZHdfcmVhZF9jb21wX3BhcmFt KTsKIGludCBpMmNfZHdfcHJvYmUoc3RydWN0IGR3X2kyY19kZXYgKmRldikKIHsKIAlzdHJ1Y3Qg aTJjX2FkYXB0ZXIgKmFkYXAgPSAmZGV2LT5hZGFwdGVyOworCXVuc2lnbmVkIGxvbmcgaXJxX2Zs YWdzOwogCWludCByOwogCXUzMiByZWc7CiAKQEAgLTk5OCw5ICs5OTksMTQgQEAgaW50IGkyY19k d19wcm9iZShzdHJ1Y3QgZHdfaTJjX2RldiAqZGV2KQogCWFkYXAtPmRldi5wYXJlbnQgPSBkZXYt PmRldjsKIAlpMmNfc2V0X2FkYXBkYXRhKGFkYXAsIGRldik7CiAKKwlpZiAoZGV2LT5wbV9kaXNh YmxlZCkgeworCQlkZXZfcG1fc3lzY29yZV9kZXZpY2UoZGV2LT5kZXYsIHRydWUpOworCQlpcnFf ZmxhZ3MgPSBJUlFGX05PX1NVU1BFTkQ7CisJfSBlbHNlCisJCWlycV9mbGFncyA9IElSUUZfU0hB UkVEIHwgSVJRRl9DT05EX1NVU1BFTkQ7CisKIAlpMmNfZHdfZGlzYWJsZV9pbnQoZGV2KTsKLQly ID0gZGV2bV9yZXF1ZXN0X2lycShkZXYtPmRldiwgZGV2LT5pcnEsIGkyY19kd19pc3IsCi0JCQkg ICAgIElSUUZfU0hBUkVEIHwgSVJRRl9DT05EX1NVU1BFTkQsCisJciA9IGRldm1fcmVxdWVzdF9p cnEoZGV2LT5kZXYsIGRldi0+aXJxLCBpMmNfZHdfaXNyLCBpcnFfZmxhZ3MsCiAJCQkgICAgIGRl dl9uYW1lKGRldi0+ZGV2KSwgZGV2KTsKIAlpZiAocikgewogCQlkZXZfZXJyKGRldi0+ZGV2LCAi ZmFpbHVyZSByZXF1ZXN0aW5nIGlycSAlaTogJWRcbiIsCmRpZmYgLS1naXQgYS9kcml2ZXJzL2ky Yy9idXNzZXMvaTJjLWRlc2lnbndhcmUtY29yZS5oIGIvZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1k ZXNpZ253YXJlLWNvcmUuaAppbmRleCBhOGU3NGNhLi5hNGFjNDczIDEwMDY0NAotLS0gYS9kcml2 ZXJzL2kyYy9idXNzZXMvaTJjLWRlc2lnbndhcmUtY29yZS5oCisrKyBiL2RyaXZlcnMvaTJjL2J1 c3Nlcy9pMmMtZGVzaWdud2FyZS1jb3JlLmgKQEAgLTc5LDcgKzc5LDcgQEAKICAqIEBwbV9xb3M6 IHBtX3Fvc19yZXF1ZXN0IHVzZWQgd2hpbGUgaG9sZGluZyBhIGhhcmR3YXJlIGxvY2sgb24gdGhl IGJ1cwogICogQGFjcXVpcmVfbG9jazogZnVuY3Rpb24gdG8gYWNxdWlyZSBhIGhhcmR3YXJlIGxv Y2sgb24gdGhlIGJ1cwogICogQHJlbGVhc2VfbG9jazogZnVuY3Rpb24gdG8gcmVsZWFzZSBhIGhh cmR3YXJlIGxvY2sgb24gdGhlIGJ1cwotICogQHBtX3J1bnRpbWVfZGlzYWJsZWQ6IHRydWUgaWYg cG0gcnVudGltZSBpcyBkaXNhYmxlZAorICogQHBtX2Rpc2FibGVkOiB0cnVlIGlmIHBvd2VyLW1h bmFnZW1lbnQgc2hvdWxkIGJlIGRpc2FibGVkIGZvciB0aGlzIGkyYy1idXMKICAqCiAgKiBIQ05U IGFuZCBMQ05UIHBhcmFtZXRlcnMgY2FuIGJlIHVzZWQgaWYgdGhlIHBsYXRmb3JtIGtub3dzIG1v cmUgYWNjdXJhdGUKICAqIHZhbHVlcyB0aGFuIHRoZSBvbmUgY29tcHV0ZWQgYmFzZWQgb25seSBv biB0aGUgaW5wdXQgY2xvY2sgZnJlcXVlbmN5LgpAQCAtMTI3LDcgKzEyNyw3IEBAIHN0cnVjdCBk d19pMmNfZGV2IHsKIAlzdHJ1Y3QgcG1fcW9zX3JlcXVlc3QJcG1fcW9zOwogCWludAkJCSgqYWNx dWlyZV9sb2NrKShzdHJ1Y3QgZHdfaTJjX2RldiAqZGV2KTsKIAl2b2lkCQkJKCpyZWxlYXNlX2xv Y2spKHN0cnVjdCBkd19pMmNfZGV2ICpkZXYpOwotCWJvb2wJCQlwbV9ydW50aW1lX2Rpc2FibGVk OworCWJvb2wJCQlwbV9kaXNhYmxlZDsKIAlib29sCQkJZHluYW1pY190YXJfdXBkYXRlX2VuYWJs ZWQ7CiB9OwogCmRpZmYgLS1naXQgYS9kcml2ZXJzL2kyYy9idXNzZXMvaTJjLWRlc2lnbndhcmUt cGxhdGRydi5jIGIvZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1kZXNpZ253YXJlLXBsYXRkcnYuYwpp bmRleCBkZjBmZjdkLi44ZWQ5NmRkIDEwMDY0NAotLS0gYS9kcml2ZXJzL2kyYy9idXNzZXMvaTJj LWRlc2lnbndhcmUtcGxhdGRydi5jCisrKyBiL2RyaXZlcnMvaTJjL2J1c3Nlcy9pMmMtZGVzaWdu d2FyZS1wbGF0ZHJ2LmMKQEAgLTI3Niw3ICsyNzYsNyBAQCBzdGF0aWMgaW50IGR3X2kyY19wbGF0 X3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCiAJQUNQSV9DT01QQU5JT05fU0VU KCZhZGFwLT5kZXYsIEFDUElfQ09NUEFOSU9OKCZwZGV2LT5kZXYpKTsKIAlhZGFwLT5kZXYub2Zf bm9kZSA9IHBkZXYtPmRldi5vZl9ub2RlOwogCi0JaWYgKGRldi0+cG1fcnVudGltZV9kaXNhYmxl ZCkgeworCWlmIChkZXYtPnBtX2Rpc2FibGVkKSB7CiAJCXBtX3J1bnRpbWVfZm9yYmlkKCZwZGV2 LT5kZXYpOwogCX0gZWxzZSB7CiAJCXBtX3J1bnRpbWVfc2V0X2F1dG9zdXNwZW5kX2RlbGF5KCZw ZGV2LT5kZXYsIDEwMDApOwpAQCAtMjg2LDcgKzI4Niw3IEBAIHN0YXRpYyBpbnQgZHdfaTJjX3Bs YXRfcHJvYmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikKIAl9CiAKIAlyID0gaTJjX2R3 X3Byb2JlKGRldik7Ci0JaWYgKHIgJiYgIWRldi0+cG1fcnVudGltZV9kaXNhYmxlZCkKKwlpZiAo ciAmJiAhZGV2LT5wbV9kaXNhYmxlZCkKIAkJcG1fcnVudGltZV9kaXNhYmxlKCZwZGV2LT5kZXYp OwogCiAJcmV0dXJuIHI7CkBAIC0zMDQsNyArMzA0LDcgQEAgc3RhdGljIGludCBkd19pMmNfcGxh dF9yZW1vdmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikKIAogCXBtX3J1bnRpbWVfZG9u dF91c2VfYXV0b3N1c3BlbmQoJnBkZXYtPmRldik7CiAJcG1fcnVudGltZV9wdXRfc3luYygmcGRl di0+ZGV2KTsKLQlpZiAoIWRldi0+cG1fcnVudGltZV9kaXNhYmxlZCkKKwlpZiAoIWRldi0+cG1f ZGlzYWJsZWQpCiAJCXBtX3J1bnRpbWVfZGlzYWJsZSgmcGRldi0+ZGV2KTsKIAogCWkyY19kd19y ZW1vdmVfbG9ja19zdXBwb3J0KGRldik7CkBAIC0zNTQsOSArMzU0LDcgQEAgc3RhdGljIGludCBk d19pMmNfcGxhdF9yZXN1bWUoc3RydWN0IGRldmljZSAqZGV2KQogCXN0cnVjdCBkd19pMmNfZGV2 ICppX2RldiA9IHBsYXRmb3JtX2dldF9kcnZkYXRhKHBkZXYpOwogCiAJaTJjX2R3X3BsYXRfcHJl cGFyZV9jbGsoaV9kZXYsIHRydWUpOwotCi0JaWYgKCFpX2Rldi0+cG1fcnVudGltZV9kaXNhYmxl ZCkKLQkJaTJjX2R3X2luaXQoaV9kZXYpOworCWkyY19kd19pbml0KGlfZGV2KTsKIAogCXJldHVy biAwOwogfQotLSAKMi45LjMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lu dGVsLWdmeAo=