From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx48voyqtDWlcO2bYmdjKQ+kAiYY2rsQHTl25ozxfwANyCqEqKcr9m35jtr91EiYQDvgP/s/0 ARC-Seal: i=1; a=rsa-sha256; t=1523399387; cv=none; d=google.com; s=arc-20160816; b=f3uKkE4hykbP7B5Uzt/nqX49lhx1jSpIDIgx/KMIvwj88D7kRzIp4cmvTxkFKLBIO6 ggltypOrbGC+ShPCnGiSTox6NKtNjoPLDp0Wqqca7vLaG1i+WQK627+o1M13JYvEUgUT Ilc+0g9EdnfEiXISJi/7jchMfJk2SyAgg2rWsYhQRvN2Zp1xLWap0ZFJKNC3EUgx78LA 5HOUXbZib0FuqlDWilwgML29RrCUJYpalRACfYJ7LBApuKBstxB/QHxRfdqvEXVEZgbY 5f+yVcPgHJW989ampUAbNf96j0M2cdpBCLRtx9wxh+T7Pu8/6lONbTZZEtb9MwBBsOYH IS+g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=YpRmibwjH0mT8G77tgp2F45z8xCETfvwjVgyPS8byiA=; b=SqX8/v5ku4FsmP2R14AHmDwHUrXFImBj//OVZxg8H7FxfZjUYDLm+4mSA2RXyn9BRx t3Yti709uaim9euXHHAZRodUR0lC3kLxWEgaVaEcMhffZ2lC+fH2GfiKUX9/Xto+VjYA fVooQRf0noMEwbpu9OJ1QU+A257YjYPy/vsxDr8tHel57vIw/tRli8BtIiJ9kzjydTRm PqDbyn0asz2ZsFVhT5eXyvdp3M3Y2VPAwWesuJof6Z/9avbJMm9zLz2f+POI+O7sOXLX 2MefpaEmI5Nseg0gr6+cpG11q9yEcPkQNGnWUMTS6B+qqAt54idFTM0+x1lWETkTz6lA Jevw== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stefan Wahren , Lukas Wunner , Marcel Holtmann Subject: [PATCH 4.15 089/168] Bluetooth: hci_bcm: Make shutdown and device wake GPIO optional Date: Wed, 11 Apr 2018 00:23:51 +0200 Message-Id: <20180410212804.054618580@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180410212800.144079021@linuxfoundation.org> References: <20180410212800.144079021@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1597400036426027296?= X-GMAIL-MSGID: =?utf-8?q?1597400036426027296?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Stefan Wahren commit ab2f336cb7e629de74d8af06bcaf6b15e4230e19 upstream. According to the devicetree binding the shutdown and device wake GPIOs are optional. Since commit 3e81a4ca51a1 ("Bluetooth: hci_bcm: Mandate presence of shutdown and device wake GPIO") this driver won't probe anymore on Raspberry Pi 3 and Zero W (no device wake GPIO connected). So fix this regression by reverting this commit partially. Fixes: 3e81a4ca51a1 ("Bluetooth: hci_bcm: Mandate presence of shutdown and device wake GPIO") Signed-off-by: Stefan Wahren Reviewed-by: Lukas Wunner Signed-off-by: Marcel Holtmann Signed-off-by: Greg Kroah-Hartman --- drivers/bluetooth/hci_bcm.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -775,12 +775,13 @@ static int bcm_get_resources(struct bcm_ dev->clk = devm_clk_get(dev->dev, NULL); - dev->device_wakeup = devm_gpiod_get(dev->dev, "device-wakeup", - GPIOD_OUT_LOW); + dev->device_wakeup = devm_gpiod_get_optional(dev->dev, "device-wakeup", + GPIOD_OUT_LOW); if (IS_ERR(dev->device_wakeup)) return PTR_ERR(dev->device_wakeup); - dev->shutdown = devm_gpiod_get(dev->dev, "shutdown", GPIOD_OUT_LOW); + dev->shutdown = devm_gpiod_get_optional(dev->dev, "shutdown", + GPIOD_OUT_LOW); if (IS_ERR(dev->shutdown)) return PTR_ERR(dev->shutdown);