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 8ACA63F4132 for ; Fri, 15 May 2026 05:31:38 +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=1778823098; cv=none; b=ubnYMGMXXomxJcfgY+fPLMFvdDQjUoGsAQDPeMPIAU/nosxbjZbHjxxpzfMju5QdLAKH5d9GYccJqVLuHHyJfrOYak8aakMNPnF+dFJq/U3wefbHt5ViziiNCPskxTGNMksZUK6LoJ17JdDbVh4FVkzRlYGhhfNsZwq23EoKO5A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778823098; c=relaxed/simple; bh=+n5flqB2PyT05kOQJywCGdL5ulK3yn7qRaB2ICfiA2Y=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=XVIi7H+qAVdhckO8BH371YpjoAWYhgmyg62vIkRB6AcHhF1gtqZLn8fAQ4vJDcR8eQhOqJwsByqrknaWZlNTQT3wQ4MZyp3hPlTEC8ZIE+78+PqC08BkzFkMF79MTRWFvYevksaWKiob8EZq3FNxmZIoIoUEWe91MyuS3SxTvjk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=h3Wj+62+; 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="h3Wj+62+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 22299C2BCB0; Fri, 15 May 2026 05:31:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1778823098; bh=+n5flqB2PyT05kOQJywCGdL5ulK3yn7qRaB2ICfiA2Y=; h=Subject:To:Cc:From:Date:From; b=h3Wj+62+Gi6+6O+76k3NLxPDTJzmdHID6L5UCh4320Gmcigld0bbYeJtWlizXR0Bi oXizYeG6RVN/aQS03WsmIxoNEIFUnSSFMwLI4zNrFDnjfT/Z1rkWtSI6YVJM830C2m y4yU9KBR31PCFlSwHFm4shVHb+ZMN3JmcSNIDjAA= Subject: FAILED: patch "[PATCH] spi: lantiq-ssc: fix controller deregistration" failed to apply to 6.1-stable tree To: johan@kernel.org,broonie@kernel.org,hauke@hauke-m.de Cc: From: Date: Fri, 15 May 2026 07:31:42 +0200 Message-ID: <2026051542-chamomile-silenced-f4e4@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x b99206710d032c16b7f8b75e4bc18414d8e4b9f4 # git commit -s git send-email --to '' --in-reply-to '2026051542-chamomile-silenced-f4e4@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From b99206710d032c16b7f8b75e4bc18414d8e4b9f4 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 9 Apr 2026 14:04:15 +0200 Subject: [PATCH] spi: lantiq-ssc: fix controller deregistration Make sure to deregister the controller before releasing underlying resources like clocks during driver unbind. Fixes: 17f84b793c01 ("spi: lantiq-ssc: add support for Lantiq SSC SPI controller") Cc: stable@vger.kernel.org # 4.11 Cc: Hauke Mehrtens Signed-off-by: Johan Hovold Link: https://patch.msgid.link/20260409120419.388546-17-johan@kernel.org Signed-off-by: Mark Brown diff --git a/drivers/spi/spi-lantiq-ssc.c b/drivers/spi/spi-lantiq-ssc.c index f83cb63c9d0c..75b9af8cb5db 100644 --- a/drivers/spi/spi-lantiq-ssc.c +++ b/drivers/spi/spi-lantiq-ssc.c @@ -994,7 +994,7 @@ static int lantiq_ssc_probe(struct platform_device *pdev) "Lantiq SSC SPI controller (Rev %i, TXFS %u, RXFS %u, DMA %u)\n", revision, spi->tx_fifo_size, spi->rx_fifo_size, supports_dma); - err = devm_spi_register_controller(dev, host); + err = spi_register_controller(host); if (err) { dev_err(dev, "failed to register spi host\n"); goto err_wq_destroy; @@ -1016,6 +1016,10 @@ static void lantiq_ssc_remove(struct platform_device *pdev) { struct lantiq_ssc_spi *spi = platform_get_drvdata(pdev); + spi_controller_get(spi->host); + + spi_unregister_controller(spi->host); + lantiq_ssc_writel(spi, 0, LTQ_SPI_IRNEN); lantiq_ssc_writel(spi, 0, LTQ_SPI_CLC); rx_fifo_flush(spi); @@ -1024,6 +1028,8 @@ static void lantiq_ssc_remove(struct platform_device *pdev) destroy_workqueue(spi->wq); clk_put(spi->fpi_clk); + + spi_controller_put(spi->host); } static struct platform_driver lantiq_ssc_driver = {