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Tue, 23 Aug 2022 11:50:35 -0700 (PDT) Date: Tue, 23 Aug 2022 11:50:32 -0700 From: Brian Norris To: Chen Jeffy Cc: Doug Anderson , Heiko Stuebner , "open list:ARM/Rockchip SoC..." , Bartosz Golaszewski , Linus Walleij , LKML , "open list:GPIO SUBSYSTEM" , Linux ARM Subject: Re: [PATCH 2/2] gpio/rockchip: Toggle edge trigger mode after acking Message-ID: References: <20220820095933.20234-1-jeffy.chen@rock-chips.com> <20220820095933.20234-2-jeffy.chen@rock-chips.com> <5cb0a457-b667-76e5-d383-6e93457d5d12@rock-chips.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <5cb0a457-b667-76e5-d383-6e93457d5d12@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220823_115037_677202_DCD2BE39 X-CRM114-Status: GOOD ( 25.29 ) 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 SGksCgpPbiBUdWUsIEF1ZyAyMywgMjAyMiBhdCAxMDo1MDoxNkFNICswODAwLCBKZWZmeSBDaGVu IHdyb3RlOgo+IE9uIDgvMjMg5pif5pyf5LqMIDE6MDgsIERvdWcgQW5kZXJzb24gd3JvdGU6Cj4g PiBJJ20gaGFwcHkgdG8gbGV0IG90aGVycyBzYXkgZm9yIHN1cmUsIGJ1dCBmcm9tIG15IHBvaW50 IG9mIHZpZXcgSSdtCj4gPiBub3QgY29udmluY2VkLiBJdCBmZWVscyBsaWtlIHdpdGggeW91ciBu ZXcgY29kZSB5b3UgY291bGQgbG9zZSBlZGdlcy4KCkkgd29uJ3QgY2xhaW0gdG8ga25vdyBmb3Ig c3VyZSBlaXRoZXIsIGJ1dCBJJ20gdHJ5aW5nIHRvIGZvbGxvdyBhbG9uZywKYmVjYXVzZSB3ZSd2 ZSBkZWFsdCB3aXRoIHZhcmlvdXMgc29ydHMgb2YgbmFzdHkgbG9naWNhbCBlcnJvcnMgaW4gdGhl CmdwaW8gYW5kL29yIGlycWNoaXAgYXJlYXMgaGVyZSA6KQoKPiA+IC4uLmluIG90aGVyIHdvcmRz IGFuIGVkZ2UgaGFwcGVuZWQgX2FmdGVyXyB0aGUgSVJRIGhhbmRsZXIgcmFuIGJ1dCB3ZQo+ID4g ZGlkbid0IGNhbGwgdGhlIElSUSBoYW5kbGVyIGFnYWluLiBJIGRvbid0IHRoaW5rIHRoaXMgaXMg cmlnaHQuCgpJIGJlbGlldmUgRG91ZyBoYXMgaWRlbnRpZmllZCBvbmUgcHJvYmxlbSBjb3JyZWN0 bHkgLS0gdGhhdCB3ZSBjYW4ndApoYW5kbGUgdGhlIGJvdGgtZWRnZSB0b2dnbGluZyBlbnRpcmVs eSBhZnRlciB0aGUgYWNrK2Rpc3BhdGNoLgoKKG91dC1vZi1vcmRlciBxdW90ZTopCj4gU28gaWYg YW4gZWRnZSBjb21lIGluIGJldHdlZW4sIHRoYXQgbmV3IElSUSBzdGF0dXMgd291bGQgYmUgYWNr ZWQoY2xlYXJlZCkKPiBpbiB0aGUgZm9sbG93aW5nIEdQSU8gaXJxIGhhbmRsZXIgYXMgd2VsbCBh cyB0aGUgb2xkIG9uZSwgd2l0aG91dCB0cmlnZ2VyaW5nCj4gYW5vdGhlciBJUlEgZGVtdXgoKSB0 byB0b2dnbGUgdGhlIHRyaWdnZXIgbW9kZS4KCkkgYmVsaWV2ZSBKZWZmeSBoYXMgaWRlbnRpZmll ZCBhbm90aGVyIC0tIHRoYXQgd2UgY2FuJ3QgaGFuZGxlIHRoZQpib3RoLWVkZ2UgdG9nZ2xpbmcg ZW50aXJlbHkgYmVmb3JlIHRoZSBhY2srZGlzcGF0Y2guCgo+IFJpZ2h0LCBzbyBndWVzc2luZyB3 ZSBjb3VsZCBzb21laG93IG1vdmUgdGhlIElSUSBhY2sgaW50byB0aGUgdG9nZ2xpbmcgZmxvdwo+ IHRvIG1ha2Ugc3VyZSB0aGF0IGl0IHdvdWxkIG5vdCBjbGVhciB0aGUgbmV3IElSUT8KClRoaXMg c291bmRzIGxpa2Ugd2UgbmVlZCB0aGUgdG9nZ2xpbmcgdG8gaGFwcGVuIHdpdGhpbiB0aGUgLmly cV9hY2soKQpjYWxsYmFjaywgaW4gYmV0d2VlbiB0aGUgQUNLIGFuZCB0aGUgY2hhaW4gZGlzcGF0 Y2guCgpJJ20gbm90IHN1cmUgSSd2ZSBmdWxseSB3YWxrZWQgdGhyb3VnaCB0aGlzIHlldCwgYnV0 IHdvdWxkIGl0IHN1ZmZpY2UgdG8KbW92ZSB0aGUgJ3RvZ2dsZV9lZGdlX21vZGUnIGxvb3AgaW50 byBpcnFfYWNrKCksIHJpZ2h0IGFmdGVyIHdyaXRpbmcgdGhlCkVPSSByZWdpc3Rlcj8gVGhhdCB3 YXkgd2UncmUgaW4gb25lIG9mIHRoZXNlIGNhc2VzIHdpdGhpbiBpcnFfYWNrKCk6CgooMSkgbm8g ZnVydGhlciBlZGdlcyBvY2N1cnJlZCBhZnRlciB0aGUgQUNLL0VJTyB3cml0ZTogdGhlIHRvZ2ds ZS1sb29wCndpbGwgdG9nZ2xlIGNvcnJlY3RseSwgYW5kIHRoZW4gd2UgZGlzcGF0Y2ggdGhlIGNo YWluZWQgaGFuZGxlci4KCigyKSBvbmUgb3IgbW9yZSBhZGRpdGlvbmFsIGVkZ2VzIG9jY3VycmVk IGFmdGVyIHRoZSBBQ0svRUlPIHdyaXRlCihwb3NzaWJseSBkdXJpbmcgdGhlIHRvZ2dsZS1sb29w KTogdGhlIGxvb3Agb25seSBleGl0cyB3aGVuIHdlJ3JlIHN1cmUKdGhpbmdzIGhhdmUgcXVpZXNj ZWQsIHNvIGZ1dHVyZSBlZGdlcyB3aWxsIHRvZ2dsZSBjb3JyZWN0bHkgKGkuZS4sCnBvbGFyaXR5 IGlzIGNvcnJlY3QpLiBXZSBjb250aW51ZSB0byBkaXNwYXRjaCB0aGUgY2hhaW5lZCBoYW5kbGVy ICh3aGljaAoiaGFuZGxlcyIgYWxsIHRoZXNlIGVkZ2UocykpLiBXZSBtYXkgc3RpbGwgaGF2ZSBs ZWF2ZSBhbiBJUlEgcGVuZGluZyAoaWYKbWFueSBlZGdlcyBoYXBwZW4sIHJhY2luZyB3aXRoIHRo ZSB0b2dnbGUgbG9vcCkgYW5kIGZpcmUgYWdhaW4gc2hvcnRseSwKYnV0IHRoYXQncyBPSy4KCkRv ZXMgdGhpcyBtYWtlIHNlbnNlIHRvIGFueW9uZSBlbHNlPwoKPiBBbmQgaXQgbG9va3MgbGlrZSB0 aGVyZSBhcmUgcXVpdGUgYSBmZXcgZHJpdmVycyBoYXZpbmcgdGhpcyBraW5kIG9mIG5lZWQsCj4g d291bGQgaXQgbWFrZSBzZW5zZSB0byBoYW5kbGUgaXQgaW4gdGhlIGZyYW1ld29yaz8KCkkgc3Vw cG9zZSBpdCB3b3VsZCBiZSBwb3NzaWJsZSB0byBpbXBsZW1lbnQgdGhlIGFib3ZlIGFzIGEgZ2Vu ZXJhbAppcnFfZ2NfYWNrKigpIGhlbHBlciwgaW5zdGVhZCBvZiBvcGVuLWNvZGluZyBpdCwgYWx0 aG91Z2ggaXQgbWlnaHQgbmVlZAp0aGUgaXJxY2hpcCBmcmFtZXdvcmsgdG8gZ2FpbiBhIGJldHRl ciB1bmRlcnN0YW5kaW5nIG9mIGEgY2hpcCdzCnBvbGFyaXR5IHJlZ2lzdGVyLgoKQnJpYW4KCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1r ZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpo dHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJu ZWwK