From patchwork Mon Jul 29 14:25:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 11064007 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 92760912 for ; Mon, 29 Jul 2019 15:19:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7D73A262FF for ; Mon, 29 Jul 2019 15:19:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6EE9A28517; Mon, 29 Jul 2019 15:19:48 +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 178F0262FF for ; Mon, 29 Jul 2019 15:19:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387894AbfG2PTr (ORCPT ); Mon, 29 Jul 2019 11:19:47 -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 S2387854AbfG2PTr (ORCPT ); Mon, 29 Jul 2019 11:19:47 -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 x6TEP7Fj025574; Mon, 29 Jul 2019 17:25:07 +0300 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 29394622F0; Mon, 29 Jul 2019 17:25:07 +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 3/3] mtd: m25p80: add get Flash size callback support Date: Mon, 29 Jul 2019 17:25:04 +0300 Message-Id: <20190729142504.188336-4-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 get Flash size function support for passing Flash size through callback use to the spi layer. Add get Flash size function support Signed-off-by: Tomer Maimon --- drivers/mtd/devices/m25p80.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index c50888670250..fd14c8c6d8d8 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -151,6 +151,15 @@ static ssize_t m25p80_read(struct spi_nor *nor, loff_t from, size_t len, return len; } +/* Sending Flash size thourgh callback function to spi layer */ +size_t m25p80_get_flash_size(void *param) +{ + struct spi_mem *spimem = param; + struct m25p *flash = spi_mem_get_drvdata(spimem); + + return (u32)(flash->spi_nor.mtd.size >> 10) * 1024; +} + /* * board specific setup should have ensured the SPI clock used here * matches what the READ command supports, at least until this driver @@ -188,6 +197,9 @@ static int m25p_probe(struct spi_mem *spimem) spi_nor_set_flash_node(nor, spi->dev.of_node); nor->priv = flash; + spimem->callback = m25p80_get_flash_size; + spimem->callback_param = spimem; + spi_mem_set_drvdata(spimem, flash); flash->spimem = spimem;