From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomoya MORINAGA Subject: [PATCH net-next-2.6 v9 07/20] pch_can: Change functions type Date: Mon, 13 Dec 2010 15:24:13 +0900 Message-ID: <1292221467-8039-7-git-send-email-tomoya-linux@dsn.okisemi.com> References: <1292221467-8039-1-git-send-email-tomoya-linux@dsn.okisemi.com> <1292221467-8039-2-git-send-email-tomoya-linux@dsn.okisemi.com> <1292221467-8039-3-git-send-email-tomoya-linux@dsn.okisemi.com> <1292221467-8039-4-git-send-email-tomoya-linux@dsn.okisemi.com> <1292221467-8039-5-git-send-email-tomoya-linux@dsn.okisemi.com> <1292221467-8039-6-git-send-email-tomoya-linux@dsn.okisemi.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: andrew.chih.howe.khor-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, qi.wang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, margie.foster-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, yong.y.wang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, kok.howg.ewe-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, joel.clark-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org To: wg-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org, w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, chripell-VaTbYqLCNhc@public.gmane.org, 21cnbao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, socketcan-core-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TZUIDd8j+nm9g@public.gmane.org Return-path: In-Reply-To: <1292221467-8039-6-git-send-email-tomoya-linux-ECg8zkTtlr0C6LszWs/t0g@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: socketcan-core-bounces-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org Errors-To: socketcan-core-bounces-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org List-Id: netdev.vger.kernel.org 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