All of lore.kernel.org
 help / color / mirror / Atom feed
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@01.org, Marc Kleine-Budde <mkl@pengutronix.de>
Cc: kbuild-all@01.org, linux-can@vger.kernel.org
Subject: [mkl-can-next:testing 9/14] drivers/net/can/flexcan.c:1262 flexcan_open() warn: should '1 << (priv->tx_mb_idx)' be a 64 bit type?
Date: Tue, 5 Mar 2019 15:39:10 +0300	[thread overview]
Message-ID: <20190305123909.GH13452@kadam> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git testing
head:   3871ad024254a4ee2b330b52b15a5f3fb5ae077b
commit: c0ba9ac65ff1850978b6181318366814bcc5f1c8 [9/14] can: flexcan: introduce struct flexcan_priv::tx_mask and make use of it

smatch warnings:
drivers/net/can/flexcan.c:1262 flexcan_open() warn: should '1 << (priv->tx_mb_idx)' be a 64 bit type?

# https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git/commit/?id=c0ba9ac65ff1850978b6181318366814bcc5f1c8
git remote add mkl-can-next https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git
git remote update mkl-can-next
git checkout c0ba9ac65ff1850978b6181318366814bcc5f1c8
vim +1262 drivers/net/can/flexcan.c

0517961cc Pankaj Bansal     2018-11-23  1250  	priv->mb_size = sizeof(struct flexcan_mb) + CAN_MAX_DLEN;
6cbf76028 Pankaj Bansal     2018-08-28  1251  	priv->mb_count = (sizeof(priv->regs->mb[0]) / priv->mb_size) +
6cbf76028 Pankaj Bansal     2018-08-28  1252  			 (sizeof(priv->regs->mb[1]) / priv->mb_size);
0517961cc Pankaj Bansal     2018-11-23  1253  
5156c7b11 Pankaj Bansal     2018-08-13  1254  	if (priv->devtype_data->quirks & FLEXCAN_QUIRK_USE_OFF_TIMESTAMP)
0517961cc Pankaj Bansal     2018-11-23  1255  		priv->tx_mb_reserved =
0517961cc Pankaj Bansal     2018-11-23  1256  			flexcan_get_mb(priv, FLEXCAN_TX_MB_RESERVED_OFF_TIMESTAMP);
5156c7b11 Pankaj Bansal     2018-08-13  1257  	else
0517961cc Pankaj Bansal     2018-11-23  1258  		priv->tx_mb_reserved =
0517961cc Pankaj Bansal     2018-11-23  1259  			flexcan_get_mb(priv, FLEXCAN_TX_MB_RESERVED_OFF_FIFO);
0517961cc Pankaj Bansal     2018-11-23  1260  	priv->tx_mb_idx = priv->mb_count - 1;
0517961cc Pankaj Bansal     2018-11-23  1261  	priv->tx_mb = flexcan_get_mb(priv, priv->tx_mb_idx);
c0ba9ac65 Marc Kleine-Budde 2019-03-01 @1262  	priv->tx_mask = FLEXCAN_IFLAG_MB(priv->tx_mb_idx);
                                                ^^^^^^^^^^^^^
Presumably ->tx_mask is a u64?  Could it be made an unsigned long
instead?

5156c7b11 Pankaj Bansal     2018-08-13  1263  
5156c7b11 Pankaj Bansal     2018-08-13  1264  	priv->offload.mailbox_read = flexcan_mailbox_read;
5156c7b11 Pankaj Bansal     2018-08-13  1265  

                 reply	other threads:[~2019-03-05 12:39 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=20190305123909.GH13452@kadam \
    --to=dan.carpenter@oracle.com \
    --cc=kbuild-all@01.org \
    --cc=kbuild@01.org \
    --cc=linux-can@vger.kernel.org \
    --cc=mkl@pengutronix.de \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.