From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [RESEND v2 04/10] gpio: stmpe: write int status register only when needed Date: Wed, 10 Aug 2016 09:29:22 +0100 Message-ID: <20160810082922.GJ1581@dell> References: <1470814755-19447-1-git-send-email-patrice.chotard@st.com> <1470814755-19447-5-git-send-email-patrice.chotard@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1470814755-19447-5-git-send-email-patrice.chotard@st.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: patrice.chotard@st.com Cc: gnurou@gmail.com, amelie.delaunay@st.com, vireshk@kernel.org, linus.walleij@linaro.org, linux-gpio@vger.kernel.org, thierry.reding@gmail.com, kernel@pengutronix.de, dinguyen@opensource.altera.com, shawnguo@kernel.org, shiraz.linux.kernel@gmail.com, linux-arm-kernel@lists.infradead.org List-Id: linux-gpio@vger.kernel.org T24gV2VkLCAxMCBBdWcgMjAxNiwgcGF0cmljZS5jaG90YXJkQHN0LmNvbSB3cm90ZToKCj4gRnJv bTogUGF0cmljZSBDaG90YXJkIDxwYXRyaWNlLmNob3RhcmRAc3QuY29tPgo+IAo+IE9uIFNUTVBF ODAxLzE4MDEgZGF0YXNoZWV0cywgaXQncyBtZW50aW9ubmVkIHdyaXRpbmcKPiBpbiBpbnRlcnJ1 cHQgc3RhdHVzIHJlZ2lzdGVyIGhhcyBubyBlZmZlY3QsIGJpdHMgYXJlCj4gY2xlYXJlZCB3aGVu IHJlYWRpbmcuCj4gCj4gU2lnbmVkLW9mZi1ieTogQW1lbGllIERFTEFVTkFZIDxhbWVsaWUuZGVs YXVuYXlAc3QuY29tPgo+IFNpZ25lZC1vZmYtYnk6IFBhdHJpY2UgQ2hvdGFyZCA8cGF0cmljZS5j aG90YXJkQHN0LmNvbT4KPiBSZXZpZXdlZC1ieTogTGludXMgV2FsbGVpaiA8bGludXMud2FsbGVp akBsaW5hcm8ub3JnPgo+IC0tLQo+ICBkcml2ZXJzL2dwaW8vZ3Bpby1zdG1wZS5jIHwgMTIgKysr KysrKystLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCA4IGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25z KC0pCgpBcHBsaWVkLCB0aGFua3MuCgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwaW8vZ3Bpby1z dG1wZS5jIGIvZHJpdmVycy9ncGlvL2dwaW8tc3RtcGUuYwo+IGluZGV4IGJmYzkxOGMuLjI3ODli ZGMgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncGlvL2dwaW8tc3RtcGUuYwo+ICsrKyBiL2RyaXZl cnMvZ3Bpby9ncGlvLXN0bXBlLmMKPiBAQCAtMzU1LDEyICszNTUsMTYgQEAgc3RhdGljIGlycXJl dHVybl90IHN0bXBlX2dwaW9faXJxKGludCBpcnEsIHZvaWQgKmRldikKPiAgCQkJc3RhdCAmPSB+ KDEgPDwgYml0KTsKPiAgCQl9Cj4gIAo+IC0JCXN0bXBlX3JlZ193cml0ZShzdG1wZSwgc3RhdG1z YnJlZyArIGksIHN0YXR1c1tpXSk7Cj4gLQo+IC0JCS8qIEVkZ2UgZGV0ZWN0IHJlZ2lzdGVyIGlz IG5vdCBwcmVzZW50IG9uIDgwMSBhbmQgMTgwMSAqLwo+IC0JCWlmIChzdG1wZS0+cGFydG51bSAh PSBTVE1QRTgwMSB8fCBzdG1wZS0+cGFydG51bSAhPSBTVE1QRTE4MDEpCj4gKwkJLyoKPiArCQkg KiBpbnRlcnJ1cHQgc3RhdHVzIHJlZ2lzdGVyIHdyaXRlIGhhcyBubyBlZmZlY3Qgb24KPiArCQkg KiA4MDEgYW5kIDE4MDEsIGJpdHMgYXJlIGNsZWFyZWQgd2hlbiByZWFkLgo+ICsJCSAqIEVkZ2Ug ZGV0ZWN0IHJlZ2lzdGVyIGlzIG5vdCBwcmVzZW50IG9uIDgwMSBhbmQgMTgwMQo+ICsJCSAqLwo+ ICsJCWlmIChzdG1wZS0+cGFydG51bSAhPSBTVE1QRTgwMSB8fCBzdG1wZS0+cGFydG51bSAhPSBT VE1QRTE4MDEpIHsKPiArCQkJc3RtcGVfcmVnX3dyaXRlKHN0bXBlLCBzdGF0bXNicmVnICsgaSwg c3RhdHVzW2ldKTsKPiAgCQkJc3RtcGVfcmVnX3dyaXRlKHN0bXBlLCBzdG1wZS0+cmVnc1tTVE1Q RV9JRFhfR1BFRFJfTVNCXQo+ICAJCQkJCSsgaSwgc3RhdHVzW2ldKTsKPiArCQl9Cj4gIAl9Cj4g IAo+ICAJcmV0dXJuIElSUV9IQU5ETEVEOwoKLS0gCkxlZSBKb25lcwpMaW5hcm8gU1RNaWNyb2Vs ZWN0cm9uaWNzIExhbmRpbmcgVGVhbSBMZWFkCkxpbmFyby5vcmcg4pSCIE9wZW4gc291cmNlIHNv ZnR3YXJlIGZvciBBUk0gU29DcwpGb2xsb3cgTGluYXJvOiBGYWNlYm9vayB8IFR3aXR0ZXIgfCBC bG9nCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51 eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVh ZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1h cm0ta2VybmVsCg==