From patchwork Mon Jul 29 14:25:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 11064009 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8F0DE1398 for ; Mon, 29 Jul 2019 15:19:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7E7E2262FF for ; Mon, 29 Jul 2019 15:19:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7212628517; Mon, 29 Jul 2019 15:19:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1CC2D262FF for ; Mon, 29 Jul 2019 15:19:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387913AbfG2PTt (ORCPT ); Mon, 29 Jul 2019 11:19:49 -0400 Received: from 212.199.177.27.static.012.net.il ([212.199.177.27]:40097 "EHLO herzl.nuvoton.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2387854AbfG2PTt (ORCPT ); Mon, 29 Jul 2019 11:19:49 -0400 X-Greylist: delayed 3197 seconds by postgrey-1.27 at vger.kernel.org; Mon, 29 Jul 2019 11:19:46 EDT Received: from taln60.nuvoton.co.il (ntil-fw [212.199.177.25]) by herzl.nuvoton.co.il (8.13.8/8.13.8) with ESMTP id x6TEP6lN025573; Mon, 29 Jul 2019 17:25:06 +0300 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id C3EFF622ED; Mon, 29 Jul 2019 17:25:06 +0300 (IDT) From: Tomer Maimon To: broonie@kernel.org, dwmw2@infradead.org, computersforpeace@gmail.com, marek.vasut@gmail.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, bbrezillon@kernel.org, yogeshnarayan.gaur@nxp.com, tudor.ambarus@microchip.com, gregkh@linuxfoundation.org, frieder.schrempf@exceet.de, tglx@linutronix.de Cc: linux-spi@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Tomer Maimon Subject: [RFC v1 2/3] spi: spi-mem: add callback function to spi-mem device Date: Mon, 29 Jul 2019 17:25:03 +0300 Message-Id: <20190729142504.188336-3-tmaimon77@gmail.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190729142504.188336-1-tmaimon77@gmail.com> References: <20190729142504.188336-1-tmaimon77@gmail.com> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add callback function support to the spi-mem device for passing an argument from the spi-mem layer to the spi layer. Signed-off-by: Tomer Maimon --- include/linux/spi/spi-mem.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index 5f7d20bd2b09..b9841a9030be 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -13,6 +13,8 @@ #include +typedef size_t (*spi_mem_callback)(void *spi_mem_param); + #define SPI_MEM_OP_CMD(__opcode, __buswidth) \ { \ .buswidth = __buswidth, \ @@ -172,6 +174,9 @@ struct spi_mem_dirmap_desc { * @spi: the underlying SPI device * @drvpriv: spi_mem_driver private data * @name: name of the SPI memory device + * @callback: routine for passing an argument from the + * spi-mem layer to the spi layer. + * @callback_param: general parameter to pass to the callback routine * * Extra information that describe the SPI memory device and may be needed by * the controller to properly handle this device should be placed here. @@ -183,6 +188,8 @@ struct spi_mem { struct spi_device *spi; void *drvpriv; const char *name; + spi_mem_callback callback; + void *callback_param; }; /**