Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755471Ab0LGLD6 (ORCPT ); Tue, 7 Dec 2010 06:03:58 -0500 Received: from sm-d311v.smileserver.ne.jp ([203.211.202.206]:18166 "EHLO sm-d311v.smileserver.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755347Ab0LGLD4 (ORCPT ); Tue, 7 Dec 2010 06:03:56 -0500 Message-ID: <4CFE1542.1050809@dsn.okisemi.com> Date: Tue, 07 Dec 2010 20:06:42 +0900 From: Tomoya MORINAGA User-Agent: Mozilla/5.0 (X11; U; Linux i686; ja; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6 MIME-Version: 1.0 To: Wolfgang Grandegger , socketcan-core@lists.berlios.de, netdev@vger.kernel.org, linux-kernel@vger.kernel.org CC: qi.wang@intel.com, yong.y.wang@intel.com, andrew.chih.howe.khor@intel.com, joel.clark@intel.com, kok.howg.ewe@intel.com, margie.foster@intel.com Subject: [PATCH net-next-2.6 v8 07/20] CAN : Change functions type Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2810 Lines: 73 Currently, these two functions spec(returned value) is unnatural. Thus, change the return value's spec Signed-off-by: Tomoya MORINAGA --- drivers/net/can/pch_can.c | 18 ++++++++++-------- 1 files changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index dd9ce16..c6c0842 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -1025,10 +1025,10 @@ static void pch_can_set_int_custom(struct pch_can_priv *priv) } /* This function retrieves interrupt enabled for the CAN device. */ -static void pch_can_get_int_enables(struct pch_can_priv *priv, u32 *enables) +static u32 pch_can_get_int_enables(struct pch_can_priv *priv) { /* Obtaining the status of IE, SIE and EIE interrupt bits. */ - *enables = ((ioread32(&priv->regs->cont) & PCH_CTRL_IE_SIE_EIE) >> 1); + return (ioread32(&priv->regs->cont) & PCH_CTRL_IE_SIE_EIE) >> 1; } static u32 pch_can_get_rxtx_ir(struct pch_can_priv *priv, u32 buff_num, @@ -1069,16 +1069,18 @@ static void pch_can_set_rx_buffer_link(struct pch_can_priv *priv, pch_can_rw_msg_obj(&priv->regs->ifregs[0].creq, buffer_num); } -static void pch_can_get_rx_buffer_link(struct pch_can_priv *priv, - u32 buffer_num, u32 *link) +static u32 pch_can_get_rx_buffer_link(struct pch_can_priv *priv, u32 buffer_num) { + u32 link; + iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[0].cmask); pch_can_rw_msg_obj(&priv->regs->ifregs[0].creq, buffer_num); if (ioread32(&priv->regs->ifregs[0].mcont) & PCH_IF_MCONT_EOB) - *link = 0; + link = 0; else - *link = 1; + link = 1; + return link; } static int pch_can_get_buffer_status(struct pch_can_priv *priv) @@ -1115,7 +1117,7 @@ static int pch_can_suspend(struct pci_dev *pdev, pm_message_t state) dev_err(&pdev->dev, "%s -> Transmission time out.\n", __func__); /* Save interrupt configuration and then disable them */ - pch_can_get_int_enables(priv, &(priv->int_enables)); + priv->int_enables = pch_can_get_int_enables(priv); pch_can_set_int_enables(priv, PCH_CAN_DISABLE); /* Save Tx buffer enable state */ @@ -1128,7 +1130,7 @@ static int pch_can_suspend(struct pci_dev *pdev, pm_message_t state) /* Save Rx buffer enable state */ for (i = PCH_RX_OBJ_START; i <= PCH_RX_OBJ_END; i++) { priv->rx_enable[i] = pch_can_get_rxtx_ir(priv, i, PCH_RX_IFREG); - pch_can_get_rx_buffer_link(priv, i, &priv->rx_link[i]); + priv->rx_link[i] = pch_can_get_rx_buffer_link(priv, i); } /* Disable all Receive buffers */ -- 1.6.0.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/