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 DA9802236E0; Mon, 2 Jun 2025 14:12:17 +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=1748873538; cv=none; b=AsAdx5e9JiRskiQttHzRgbrkVmIIU1IrUAO8fsSFuUgkmxzZVDUhbIrBOALEkFPKg/TLcEqFC5fF4rdJs1twY/v/Hwr7bNNC5vKwUn+uskHgj5WtIpIRKn3IVtCvKCY1p4hCKSdrf6/3xuSPhgZCWqEd/NhMeOZ+00HQojtauAs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748873538; c=relaxed/simple; bh=2Qi+C3wRoamAH5+FPBNDdyaa0ZN9bt34kmOkDcJKKC4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=a5E9kY6pux8/Vp0rPgO1GBzOoAkhqZkJzzC0EvDwiJS5O8qXl8um4Dpew+Te0pTbaN3EiQTyCgcAwgAFvYNfMQDb65Ao8W2Mdt0mzj+nXN8I2CTEgMs+XxI2fzoSCTLKVuxorNanFWjX5HTOA/zNQuHA5IZNO1HoFlm2JGn9MLU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=u+HSu27i; 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="u+HSu27i" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE2ADC4CEEB; Mon, 2 Jun 2025 14:12:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1748873537; bh=2Qi+C3wRoamAH5+FPBNDdyaa0ZN9bt34kmOkDcJKKC4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u+HSu27iR93TzpUgLI9rkXtjr5hD6ZHBtsGrOA3+nbwyEWtvx80AyDADBVbu7wsAU DHoHSfd9V0datQJdn75RnkmsW1I4AFwkp1ih2zfmOsQFkNGFoRon4Bhg7LGdhArvCb tMHIUJLwVg4KJL+6cYA2TZEUbQJwCh+MAdRTistU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Viresh Kumar , Sudeep Holla , Sasha Levin Subject: [PATCH 6.6 171/444] firmware: arm_ffa: Set dma_mask for ffa devices Date: Mon, 2 Jun 2025 15:43:55 +0200 Message-ID: <20250602134347.841428245@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250602134340.906731340@linuxfoundation.org> References: <20250602134340.906731340@linuxfoundation.org> User-Agent: quilt/0.68 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: Viresh Kumar [ Upstream commit cc0aac7ca17e0ea3ca84b552fc79f3e86fd07f53 ] Set dma_mask for FFA devices, otherwise DMA allocation using the device pointer lead to following warning: WARNING: CPU: 1 PID: 1 at kernel/dma/mapping.c:597 dma_alloc_attrs+0xe0/0x124 Signed-off-by: Viresh Kumar Message-Id: Signed-off-by: Sudeep Holla Signed-off-by: Sasha Levin --- drivers/firmware/arm_ffa/bus.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c index 7865438b36960..d885e1381072a 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -191,6 +191,7 @@ struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id, dev = &ffa_dev->dev; dev->bus = &ffa_bus_type; dev->release = ffa_release_device; + dev->dma_mask = &dev->coherent_dma_mask; dev_set_name(&ffa_dev->dev, "arm-ffa-%d", id); ffa_dev->id = id; -- 2.39.5