From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753739AbbBYQDD (ORCPT ); Wed, 25 Feb 2015 11:03:03 -0500 Received: from sauhun.de ([89.238.76.85]:37993 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753705AbbBYQDB (ORCPT ); Wed, 25 Feb 2015 11:03:01 -0500 From: Wolfram Sang To: linux-i2c@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-mips@linux-mips.org, Benjamin Herrenschmidt , Ludovic Desroches , Yingjoe Chen , Eddie Huang , Wolfram Sang , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, linux-kernel@vger.kernel.org Subject: [RFC V2 12/12] i2c: bcm-iproc: make use of the new infrastructure for quirks Date: Wed, 25 Feb 2015 17:02:03 +0100 Message-Id: <1424880126-15047-13-git-send-email-wsa@the-dreams.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1424880126-15047-1-git-send-email-wsa@the-dreams.de> References: <1424880126-15047-1-git-send-email-wsa@the-dreams.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Wolfram Sang Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-bcm-iproc.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c index d3c89157b33774..f9f2c2082151e2 100644 --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -160,14 +160,6 @@ static int bcm_iproc_i2c_xfer_single_msg(struct bcm_iproc_i2c_dev *iproc_i2c, u32 val; unsigned long time_left = msecs_to_jiffies(I2C_TIMEOUT_MESC); - /* need to reserve one byte in the FIFO for the slave address */ - if (msg->len > M_TX_RX_FIFO_SIZE - 1) { - dev_err(iproc_i2c->device, - "only support data length up to %u bytes\n", - M_TX_RX_FIFO_SIZE - 1); - return -EOPNOTSUPP; - } - /* check if bus is busy */ if (!!(readl(iproc_i2c->base + M_CMD_OFFSET) & BIT(M_CMD_START_BUSY_SHIFT))) { @@ -287,6 +279,12 @@ static const struct i2c_algorithm bcm_iproc_algo = { .functionality = bcm_iproc_i2c_functionality, }; +static struct i2c_adapter_quirks bcm_iproc_i2c_quirks = { + /* need to reserve one byte in the FIFO for the slave address */ + .max_read_len = M_TX_RX_FIFO_SIZE - 1, + .max_write_len = M_TX_RX_FIFO_SIZE - 1, +}; + static int bcm_iproc_i2c_cfg_speed(struct bcm_iproc_i2c_dev *iproc_i2c) { unsigned int bus_speed; @@ -413,6 +411,7 @@ static int bcm_iproc_i2c_probe(struct platform_device *pdev) i2c_set_adapdata(adap, iproc_i2c); strlcpy(adap->name, "Broadcom iProc I2C adapter", sizeof(adap->name)); adap->algo = &bcm_iproc_algo; + adap->quirks = &bcm_iproc_i2c_quirks; adap->dev.parent = &pdev->dev; adap->dev.of_node = pdev->dev.of_node; -- 2.1.4