| Message ID | 1377208917-16698-1-git-send-email-agust@denx.de |
|---|---|
| State | Awaiting Upstream, archived |
| Delegated to: | David Miller |
| Headers | show |
On 08/23/2013 12:01 AM, Anatolij Gustschin wrote: > From: Gerhard Sittig <gsi@denx.de> > > add a comment about the magic of deriving an MSCAN component index > from the peripheral's physical address / register offset > > Cc: linux-can@vger.kernel.org > Cc: netdev@vger.kernel.org > Signed-off-by: Gerhard Sittig <gsi@denx.de> Anatolij, I'm missung your S-o-b here. Can you repost both patches? Marc
On Fri, 23 Aug 2013 09:30:55 +0200 Marc Kleine-Budde <mkl@pengutronix.de> wrote: > On 08/23/2013 12:01 AM, Anatolij Gustschin wrote: > > From: Gerhard Sittig <gsi@denx.de> > > > > add a comment about the magic of deriving an MSCAN component index > > from the peripheral's physical address / register offset > > > > Cc: linux-can@vger.kernel.org > > Cc: netdev@vger.kernel.org > > Signed-off-by: Gerhard Sittig <gsi@denx.de> > > Anatolij, I'm missung your S-o-b here. Can you repost both patches? Yes, will do it. Anatolij -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c index 5b0ee8e..bc422ba 100644 --- a/drivers/net/can/mscan/mpc5xxx_can.c +++ b/drivers/net/can/mscan/mpc5xxx_can.c @@ -148,7 +148,10 @@ static u32 mpc512x_can_get_clock(struct platform_device *ofdev, goto exit_put; } - /* Determine the MSCAN device index from the physical address */ + /* Determine the MSCAN device index from the peripheral's + * physical address. Register address offsets against the + * IMMR base are: 0x1300, 0x1380, 0x2300, 0x2380 + */ pval = of_get_property(ofdev->dev.of_node, "reg", &plen); BUG_ON(!pval || plen < sizeof(*pval)); clockidx = (*pval & 0x80) ? 1 : 0;