From mboxrd@z Thu Jan 1 00:00:00 1970 From: majianpeng Subject: Re: Re: [PATCH V2] mmc: omap_hsmmc: Fix sleep too long in ISR context. Date: Thu, 22 Aug 2013 20:03:16 +0800 Message-ID: <201308222003128470850@gmail.com> References: <201308071805022428282@gmail.com> <5213BAD0.8030406@yahoo.es>, <5214F55E.6020408@ti.com> Reply-To: majianpeng Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Sender: linux-mmc-owner@vger.kernel.org To: balajitk , Hein Tibosch Cc: cjb , Felipe Balbi , linux-mmc , linux-omap , mayuzheng , Santosh Shilimkar , Tony Lindgren List-Id: linux-omap@vger.kernel.org Pk9uIFdlZG5lc2RheSAyMSBBdWd1c3QgMjAxMyAxMjoyMiBBTSwgSGVpbiBUaWJvc2NoIHdyb3Rl Og0KPj4gSGksDQo+Pg0KPj4gWyBhZGRlZCBzb21lIHBlb3BsZSBmcm9tIFRJIF0NCj4+DQo+PiBP biA4LzcvMjAxMyA2OjA1IFBNLCBtYWppYW5wZW5nIHdyb3RlOg0KPj4+IFYyOg0KPj4+IAljbGVh biB1cCBjb2RlLg0KPj4+IFYxOg0KPj4+IAl3d3cubWFpbC1hcmNoaXZlLmNvbS9saW51eC1vbWFw QHZnZXIuLi4vbXNnOTMyMzkuaHRtbOKAjg0KPj4+DQo+Pj4NCj4+PiBXZSBmb3VuZCBhIHByb2Js ZW0gd2hlbiB3ZSByZW1vdmVkIGEgd29ya2luZyBzZCBjYXJkIHRoYXQgdGhlIGlycWFjdGlvbg0K Pj4+IG9mIG9tYXBfaHNtbWMgY2FuIHNsZWVwIHRvIDMuNnMuIFRoaXMgY2F1c2Ugb3VyIHdhdGNo ZG9nIHRvIHdvcmsuDQo+Pj4gSW4gZnVuYyBvbWFwX2hzbW1jX3Jlc2V0X2NvbnRyb2xsZXJfZnNt LCBpdCBzaG91bGQgd2F0Y2ggYSAwLT4xDQo+Pj4gdHJhbnNpdGlvbi5CdXQgYXZvaWRpbmcgZW5k bGVzcyB3YWl0aW5nLCBpdCB1c2VkIGxvb3BzX3Blcl9qaWZmeSBhcyB0aGUgdGltZXIuDQo+Pg0K Pj4gVHJpZWQgb24gYSBPTUFQNDQ2MDoNCj4+IFRoaXMgY2FuIGVhc2lseSBiZSByZXBsaWNhdGVk OiBqdXN0IHdpdGhkcmF3IGFuIFNELWNhcmQgYW5kIHRoZSBrZXJuZWwNCj4+IHdpbGwgZ2V0IGJs b2NrZWQgZHVyaW5nIG1vcmUgdGhhbiAzIHNlY29uZHMuDQo+PiBDYWxsaW5nIE9NQVBfSFNNTUNf UkVBRCgpIGluIHRoaXMgbG9vcCBtYWtlcyBpdCBsYXN0IHNvIGxvbmcuDQo+Pg0KPj4gVGhlIGZ1 bmN0aW9uIHdhaXRzIGZvciBhIDA9PjEsIGZvbGxvd2VkIGJ5IGEgMT0+MCB0cmFuc2l0aW9uLg0K Pj4gVGhlIHZhbHVlIG9mIDEgYWx3YXlzIGNvbWVzLCBidXQgaW4gbW9zdCBjYXNlcyB0aGUgY29k ZSBpcyBqdXN0IHRvbw0KPj4gc2xvdyB0byBkZXRlY3QgaXQuIFRoZSBmaXJzdCBsb29wIHdpbGwg b25seSBzdG9wIHdoZW4gKGkgPT0gbGltaXQpDQo+Pg0KPj4+IFRoZSBjb2RlIGlzOg0KPj4+PiB3 aGlsZSAoKCEoT01BUF9IU01NQ19SRUFEKGhvc3QtPmJhc2UsIFNZU0NUTCkgJiBiaXQpKQ0KPj4+ PiAgICAgICAgICAgICAgICAgJiYgKGkrKyA8IGxpbWl0KSkNCj4+Pj4gICAgICAgICAgICAgICAg ICAgICAgICAgY3B1X3JlbGF4KCk7DQo+Pj4gQnV0IGdlbmVyYW5seSBsb29wc19wZXJfamlmZnkg YXMgYSB0aW1lcixpdCBzaG91bGQgbGlrZToNCj4+Pj4gICB3aGlsZShpKysgPCBsaW1pdCkNCj4+ Pj4gY3B1X3JlbGF4KCk7DQo+Pj4gSSBmb3VuZCBmb3IgdGhlIGxvbmcgdGltZSBjYXNlLCB0aGUg d2hpbGUtb3BlYXRpb24gc3RvcGVkIGJlY2F1c2UgJ2kgPT0gbGltaXQnLg0KPj4+IEJlY2F1c2Ug YWRkZWQgc29tZSBjb2RlLCBzbyB0aGUgZHVyYXRpb24gYmVjYW1lIHRvbyBsb25nZXIgdGhhbg0K Pj4+IE1NQ19USU1FT1VfVVMoMjBtcykuDQo+Pj4NCj4+PiBUaGUgc29mdHdhcmUgY2FuJ3QgbW9u aXRvciB0aGUgdHJhbnNpdGlvbiBvZiBoYXJkd2FyZSBmb3IgdGhpIGNhc2UuDQo+Pj4NCj4+PiBC ZWNhc3VlIHRob3NlIGNvZGVzIGluIElTUiBjb250ZXh0LCBpdCBjYW4ndCB1c2UgdGltZXJfYmVm b3JlL2FmdGVyLg0KPj4+IEkgZGl2aXZlZCB0aGUgdGltZSBpbnRvIDFtcyBhbmQgdXNlZCB1ZGVs YXkoMSkgdG8gaW5zdGVhZC4NCj4+PiBJdCB3aWxsIGNhdXNlIGRvIGFkZGl0aW9uYWwgdWRlbGF5 KDEpLkJ1dCBmcm9tIG15IHRlc3QsaXQgbG9va3MgZ29vZC4NCj4+Pg0KPj4+IFJlcG9ydGVkLWJ5 OiBZdXpoZW5nIE1hIDxtYXl1emhlbmdAa2VkYWNvbS5jb20+DQo+Pj4gVGVzdGVkLWJ5OiBZdXpo ZW5nIE1hIDxtYXl1emhlbmdAa2VkYWNvbS5jb20+DQo+Pj4gUmV2aWV3ZWQtYnk6IEhlaW4gVGli b3NjaCA8aGVpbl90aWJvc2NoQHlhaG9vLmVzPg0KPj4+IFNpZ25lZC1vZmYtYnk6IEppYW5wZW5n IE1hIDxtYWppYW5wZW5nQGdtYWlsLmNvbT4NCj4+PiAtLS0NCj4+PiAgIGRyaXZlcnMvbW1jL2hv c3Qvb21hcF9oc21tYy5jIHwgMjUgKysrKysrKysrKystLS0tLS0tLS0tLS0tLQ0KPj4+ICAgMSBm aWxlIGNoYW5nZWQsIDExIGluc2VydGlvbnMoKyksIDE0IGRlbGV0aW9ucygtKQ0KPj4+DQo+Pj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvbW1jL2hvc3Qvb21hcF9oc21tYy5jIGIvZHJpdmVycy9tbWMv aG9zdC9vbWFwX2hzbW1jLmMNCj4+PiBpbmRleCAxODY1MzIxLi5iYmRhNWVkIDEwMDY0NA0KPj4+ IC0tLSBhL2RyaXZlcnMvbW1jL2hvc3Qvb21hcF9oc21tYy5jDQo+Pj4gKysrIGIvZHJpdmVycy9t bWMvaG9zdC9vbWFwX2hzbW1jLmMNCj4+PiBAQCAtOTczLDkgKzk3Myw4IEBAIHN0YXRpYyBpbmxp bmUgdm9pZCBvbWFwX2hzbW1jX2RiZ19yZXBvcnRfaXJxKHN0cnVjdCBvbWFwX2hzbW1jX2hvc3Qg Kmhvc3QsDQo+Pj4gICBzdGF0aWMgaW5saW5lIHZvaWQgb21hcF9oc21tY19yZXNldF9jb250cm9s bGVyX2ZzbShzdHJ1Y3Qgb21hcF9oc21tY19ob3N0ICpob3N0LA0KPj4+ICAgCQkJCQkJICAgdW5z aWduZWQgbG9uZyBiaXQpDQo+Pj4gICB7DQo+Pj4gLQl1bnNpZ25lZCBsb25nIGkgPSAwOw0KPj4+ IC0JdW5zaWduZWQgbG9uZyBsaW1pdCA9IChsb29wc19wZXJfamlmZnkgKg0KPj4+IC0JCQkJbXNl Y3NfdG9famlmZmllcyhNTUNfVElNRU9VVF9NUykpOw0KPj4+ICsJLypjaGFuZ2UgdG8gMW1zLHNv IHdlIGNhbiB1c2UgdWRlbGF5KDEpKi8NCj4+PiArCXVuc2lnbmVkIGxvbmcgbGltaXQgPSBNTUNf VElNRU9VVF9NUyAqIDEwMDA7DQo+Pj4NCj4+PiAgIAlPTUFQX0hTTU1DX1dSSVRFKGhvc3QtPmJh c2UsIFNZU0NUTCwNCj4+PiAgIAkJCSBPTUFQX0hTTU1DX1JFQUQoaG9zdC0+YmFzZSwgU1lTQ1RM KSB8IGJpdCk7DQo+Pg0KPj4gQ2hlY2tlZCBoZXJlOiB0aGUgU1JDLWJpdCBpbmRlZWQgYmVjb21l cyBoaWdoLg0KPj4gQWZ0ZXIgdGhlIHRlc3QgJ2ZlYXR1cmVzICYgSFNNTUNfSEFTX1VQREFURURf UkVTRVQnLCB0aGUgYml0IGhhcw0KPj4gYmVjb21lIGxvdyBhZ2FpbiBhbHJlYWR5Lg0KPj4gQ2hh bmdpbmcgdG8gb3JkZXIgb2Ygc3RhdGVtZW50cyB3b3JrZWQgZm9yIG1lLCBidXQgZm9yIEppYW5w ZW5nIE1hDQo+PiB0aGlzIGRpZG4ndCB3b3JrICh0aW1pbmdzIGFyZSAnb24gdGhlIGVkZ2UnKS4N Cj4NCj5JIHRoaW5rIDEtPjAgdHJhbnNpdGlvbiBpcyBtaXNzZWQgc29tZXRpbWVzIGFuZCB3YWl0 aW5nIHVudGlsIHRpbWVvdXQsDQo+SmlhbnBlbmcgTWEsIHdoaWNoIFNvQyBhcmUgeW91IHRlc3Rp bmcgPw0KPg0KSGksIA0KCW15IHNvcyBpcyBETTgxMDcuDQpUaGFua3MhDQpKaWFucGVuZyBNYSEN Cg==