From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3D9943F86E1; Fri, 15 May 2026 16:09:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778861397; cv=none; b=qmnl+CtFDfdCYUaEVGqg9z595XkXlfAE93qD9ufZqhXF+7lcLcIDgBnEp0RfJNBK+0gsKKfDl+vn6lnI78FviAI5ym7uozja67dF70jIZaZ6BGHJb1IRMoFNunyV2IsO1spO31y+lZp4i+b8j2Gm2KmTgC5dw5WtWxi6gbLEiHo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778861397; c=relaxed/simple; bh=Q8nhbuuPrkw9PkbIxZW25eF9iu0z6DKJCZUi0jgDiAI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tpg8rx5TQif8BQTv28YfVAWKOM7DFYK2ElVvQ1DC+YV7vSxVT4Hu9jPFFxS3rWFdGcF3YBH9h5N/+oGh0kTlq6GOLh/R8ExKKsYUo1P1LjgO3pt8YwUtprvluhTdhXorMYRZmjoS+eiF5PO3QblL8EcKTghYhLsityjgXn5lf5s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Jy7KP8RT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Jy7KP8RT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA4EEC2BCB0; Fri, 15 May 2026 16:09:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1778861397; bh=Q8nhbuuPrkw9PkbIxZW25eF9iu0z6DKJCZUi0jgDiAI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Jy7KP8RTxIS10FVKvJ650vALxC+7GS3BHgg4WpaNoCTerjzDNE7mmpwImGM3HK9Rr J3QJJSt4AbXc0JzSUzMe+7YbqT28jIg2sPTSW6tbzuyCFqU9U6pWsbTPHCPICZveY4 QqSP2IuuuQ30v127oehdxMsAp0ximrvyUVqle63s= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Radu Pirea , Johan Hovold , Mark Brown Subject: [PATCH 6.6 313/474] spi: at91-usart: fix controller deregistration Date: Fri, 15 May 2026 17:47:02 +0200 Message-ID: <20260515154721.783359030@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260515154715.053014143@linuxfoundation.org> References: <20260515154715.053014143@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Johan Hovold commit 9acecc9bcff058eaef40fd7a4c3650e88b06b220 upstream. Make sure to deregister the controller before disabling and releasing underlying resources like clocks and DMA during driver unbind. Fixes: e1892546ff66 ("spi: at91-usart: Add driver for at91-usart as SPI") Cc: stable@vger.kernel.org # 4.20 Cc: Radu Pirea Signed-off-by: Johan Hovold Link: https://patch.msgid.link/20260409120419.388546-4-johan@kernel.org Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- drivers/spi/spi-at91-usart.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) --- a/drivers/spi/spi-at91-usart.c +++ b/drivers/spi/spi-at91-usart.c @@ -570,7 +570,7 @@ static int at91_usart_spi_probe(struct p spin_lock_init(&aus->lock); init_completion(&aus->xfer_completion); - ret = devm_spi_register_controller(&pdev->dev, controller); + ret = spi_register_controller(controller); if (ret) goto at91_usart_fail_register_controller; @@ -648,8 +648,14 @@ static void at91_usart_spi_remove(struct struct spi_controller *ctlr = platform_get_drvdata(pdev); struct at91_usart_spi *aus = spi_controller_get_devdata(ctlr); + spi_controller_get(ctlr); + + spi_unregister_controller(ctlr); + at91_usart_spi_release_dma(ctlr); clk_disable_unprepare(aus->clk); + + spi_controller_put(ctlr); } static const struct dev_pm_ops at91_usart_spi_pm_ops = {