From patchwork Mon Apr 3 15:47:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 13198381 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA339C761A6 for ; Mon, 3 Apr 2023 15:55:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233093AbjDCPz1 (ORCPT ); Mon, 3 Apr 2023 11:55:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232582AbjDCPzN (ORCPT ); Mon, 3 Apr 2023 11:55:13 -0400 Received: from aposti.net (aposti.net [89.234.176.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C64844AC; Mon, 3 Apr 2023 08:54:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1680536901; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=beF+K1NHWP/zsnX7POz8yyiiOBr7zCFi5ikb61FvcI4=; b=rEQlu75pE1XlxvEiW2Vp6Q2DrJqFlXQRWGAGO/qViDKRDquUpd4KRJ2jtCkCphUkqIMmkc kCibghuDBjplYnoTYkLj+VJLDOiOKickpRJaP+TywS3SWmlYLN2xIf8YpVNxnxU3wY3Pj7 8OG7sKOHPKMOxagqrUvT8h8+0YtaZik= From: Paul Cercueil To: Jonathan Cameron , Lars-Peter Clausen , Vinod Koul , Michael Hennerich , =?utf-8?q?Nuno_S=C3=A1?= , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= Cc: linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, linux-iio@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, Alexandru Ardelean , Alexandru Ardelean , Paul Cercueil Subject: [PATCH v3 08/11] iio: buffer-dma: split iio_dma_buffer_fileio_free() function Date: Mon, 3 Apr 2023 17:47:57 +0200 Message-Id: <20230403154800.215924-9-paul@crapouillou.net> In-Reply-To: <20230403154800.215924-1-paul@crapouillou.net> References: <20230403154800.215924-1-paul@crapouillou.net> MIME-Version: 1.0 X-Spam: Yes Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Alexandru Ardelean This change splits the logic into a separate function, which will be re-used later. Signed-off-by: Alexandru Ardelean Cc: Alexandru Ardelean Signed-off-by: Paul Cercueil --- drivers/iio/buffer/industrialio-buffer-dma.c | 43 +++++++++++--------- 1 file changed, 24 insertions(+), 19 deletions(-) diff --git a/drivers/iio/buffer/industrialio-buffer-dma.c b/drivers/iio/buffer/industrialio-buffer-dma.c index 86eced458236..e14814e0d4c8 100644 --- a/drivers/iio/buffer/industrialio-buffer-dma.c +++ b/drivers/iio/buffer/industrialio-buffer-dma.c @@ -374,6 +374,29 @@ int iio_dma_buffer_request_update(struct iio_buffer *buffer) } EXPORT_SYMBOL_GPL(iio_dma_buffer_request_update); +static void iio_dma_buffer_fileio_free(struct iio_dma_buffer_queue *queue) +{ + unsigned int i; + + spin_lock_irq(&queue->list_lock); + for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { + if (!queue->fileio.blocks[i]) + continue; + queue->fileio.blocks[i]->state = IIO_BLOCK_STATE_DEAD; + } + spin_unlock_irq(&queue->list_lock); + + INIT_LIST_HEAD(&queue->incoming); + + for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { + if (!queue->fileio.blocks[i]) + continue; + iio_buffer_block_put(queue->fileio.blocks[i]); + queue->fileio.blocks[i] = NULL; + } + queue->fileio.active_block = NULL; +} + static void iio_dma_buffer_submit_block(struct iio_dma_buffer_queue *queue, struct iio_dma_buffer_block *block) { @@ -695,27 +718,9 @@ EXPORT_SYMBOL_GPL(iio_dma_buffer_init); */ void iio_dma_buffer_exit(struct iio_dma_buffer_queue *queue) { - unsigned int i; - mutex_lock(&queue->lock); - spin_lock_irq(&queue->list_lock); - for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { - if (!queue->fileio.blocks[i]) - continue; - queue->fileio.blocks[i]->state = IIO_BLOCK_STATE_DEAD; - } - spin_unlock_irq(&queue->list_lock); - - INIT_LIST_HEAD(&queue->incoming); - - for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { - if (!queue->fileio.blocks[i]) - continue; - iio_buffer_block_put(queue->fileio.blocks[i]); - queue->fileio.blocks[i] = NULL; - } - queue->fileio.active_block = NULL; + iio_dma_buffer_fileio_free(queue); queue->ops = NULL; mutex_unlock(&queue->lock);