From: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
To: Wolfgang Grandegger <wg@grandegger.com>,
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
Date: Tue, 07 Dec 2010 20:06:42 +0900 [thread overview]
Message-ID: <4CFE1542.1050809@dsn.okisemi.com> (raw)
Currently, these two functions spec(returned value) is unnatural.
Thus, change the return value's spec
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
---
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
reply other threads:[~2010-12-07 11:03 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4CFE1542.1050809@dsn.okisemi.com \
--to=tomoya-linux@dsn.okisemi.com \
--cc=andrew.chih.howe.khor@intel.com \
--cc=joel.clark@intel.com \
--cc=kok.howg.ewe@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=margie.foster@intel.com \
--cc=netdev@vger.kernel.org \
--cc=qi.wang@intel.com \
--cc=socketcan-core@lists.berlios.de \
--cc=wg@grandegger.com \
--cc=yong.y.wang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox