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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <1570375708-26965-2-git-send-email-wahrenst@gmx.net> Content-Language: en-US X-Provags-ID: V03:K1:vAXNLeW3B5iKlKv7LnAYxXpah2Ujax35yKaou7peYeveOh8Bfl3 GTIPS1NaeC1cJMdYa36LsyR2STBODHsoycgoEwP+G8542RYkQdxAElrhEXuxdsnUAi7liOa wS4SGlI/65Cfkj4tunClj/0XRjXDjXgbch8NLBUgrVl6ju/3d7+odcsqVyjjlzKviPYagej T90QqRJzev5JXtZ2v7BrA== X-UI-Out-Filterresults: notjunk:1;V03:K0:l0Db7FcBGjg=:hmFyfv8GJVBu2/f7ZYVktW +w0zVc66B4C+HVAS7xaHvknZQLMrFqjMpdYkpeGI6K04XCKsehHsd2qbcegFsbgAzWaLQb7/I s97Cn+q7A9zXVoEAr0PcgrMbtk4P/MtNLJCwVQhswCJTeAME2J3pOPUyYaB5VyVVwrJzTNMDl ErdUyAB94ss8MhvXSpnPn6k5fDldXBw/rwa5LcwCko6LG9BgZzzHbdYxxti9Qav7595QV5jH7 7BFzzD2guwuQq015jZ+7/Rh/0PR9HC+O9r2ghnqeci8VFuV1os7987Y5e9At1w8Rgx8M2wpQL rAIkNvXNqb1ydhSwnF+GaDRk3MMXO6H06wFdsn5xe9zlVSxivqCcovCyV1zu32pajQ6bGPdFY y1mH362ZOmQlvz9KJKo2XCuwWoEHEebGTBjcoTlAdnGKCluFN1/ZV7o42NNA4rdGLdbozyJT1 1K7f1lh9ozWeITqvE/94z3OlPwU981hf9VefeiaqZrveTyDJDUnZx7AFq6ZtXPPVoGpZn9EtM oIN8OWvtkxdWCBNx42W9QccbpAN5dTWJQskTtouWHprsPKzSV4gt5aIHNaX1EHlecRilymf1X JA6jc9wFZei14X5c2MRLplkqusAtMsfsRTa0/OjAEDxhXuBXM8246Huu8tKOrPPG69UuheGWd P0+s0nBt5scqkvt4cJufHbDt55mTisBcn0t+f4rsxudJFgAhV7N1mtZEYQ/LPR6SQEAcP/ZOu OjkO1XsXVh9fD0i83NFO/COJ9aYSgk+GgczG9ZTvWe0+BHg/DtN45oVOG7q/ZG8N32BOXziCL 3ADOdOCC85JLkwyPdrLAQfXyLR00d4XkRaVVmMPYq4xTw28su8UPL1oVsjNGE5GTik2/A/fN8 sB1ikho0gVcRPGECVX/YDrA/2gfyxYOKrgRXGyfyBO31PGepRk8c/NUFrcLvhE+2RU0jIhLnr FvEpE1v6UuDr2pMTREBg9JUQGUUY5Am9nzqVC3mso1gxwrELwwCdjiT0g3fQ19S9dM5EKVYJ8 03o/n+I0B2QTNj1AWtTtpZ0hCMyJN6PmtzQph6eHND9FwzDprXFEukwbw26aRbce92xmD5v2A aluqXeVDGrduL93uJjNvOLVkOq/CG+bP3GUPEbNYPFgQeN0BEMW5vPrSYK4hjh3MeLL2+yuF6 W4lvWPuGx6B2WhD1qZJDHZ6WoneErPBb9ZsYh5dhGai4p/RAsMzcXXncc5oSqexRtNz5EF1D0 JlG0n5UaTnvPLiIeV7WQmDVTCMcuJN+2EoPkHWVT6Mvxf6HrK4kZfmJzewkY= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191020_142312_884263_3A73AC85 X-CRM114-Status: GOOD ( 18.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, linux-bluetooth@vger.kernel.org, Catalin Marinas , Eric Anholt , Rob Herring , bcm-kernel-feedback-list@broadcom.com, Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Marcel, hi Johan, Am 06.10.19 um 17:28 schrieb Stefan Wahren: > The RPi 4 uses the hardware handshake lines for CYW43455, but the chip > doesn't react to HCI requests during DT probe. The reason is the inproper > handling of the RTS line during startup. According to the startup > signaling sequence in the CYW43455 datasheet, the hosts RTS line must > be driven after BT_REG_ON and BT_HOST_WAKE. > > Signed-off-by: Stefan Wahren > --- > drivers/bluetooth/hci_bcm.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c > index 7646636..0f73f6a 100644 > --- a/drivers/bluetooth/hci_bcm.c > +++ b/drivers/bluetooth/hci_bcm.c > @@ -445,9 +445,11 @@ static int bcm_open(struct hci_uart *hu) > > out: > if (bcm->dev) { > + hci_uart_set_flow_control(hu, true); > hu->init_speed = bcm->dev->init_speed; > hu->oper_speed = bcm->dev->oper_speed; > err = bcm_gpio_set_power(bcm->dev, true); > + hci_uart_set_flow_control(hu, false); > if (err) > goto err_unset_hu; > } > -- > 2.7.4 would be nice to get some feedback about this. Regards Stefan _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel