* [PATCH] ppc64: add MODALIAS= for vio bus
@ 2005-10-30 21:39 Olaf Hering
2005-10-31 2:48 ` Stephen Rothwell
2005-11-05 12:13 ` Olaf Hering
0 siblings, 2 replies; 4+ messages in thread
From: Olaf Hering @ 2005-10-30 21:39 UTC (permalink / raw)
To: Paul Mackeras, Andrew Morton; +Cc: linuxppc64-dev, linux-kernel
A non-broken udev would autoload also the drivers for devices on the
pseries vio bus, like ibmveth, ibmvscsic and hvsc. This is similar to
pci, usb and ieee1394:
/lib/modules/`uname -r`/modules.alias
alias vio:TvscsiSIBM,v-scsi* ibmvscsic
alias vio:TnetworkSIBM,l-lan* ibmveth
alias vio:Tserial-serverShvterm2* hvcs
/events/debug.00004.pci.add.1394:MODALIAS='pci:v00001014d00000188sv00000000sd00000000bc06sc04i0f'
/events/debug.00005.pci.add.1509:MODALIAS='pci:v00008086d00001229sv00001014sd000001FFbc02sc00i00'
/events/debug.00026.vio.add.1519:MODALIAS='vio:TserialShvterm1'
/events/debug.00027.vio.add.1446:MODALIAS='vio:TvscsiSIBM,v-scsi'
/events/debug.00028.vio.add.1451:MODALIAS='vio:TnetworkSIBM,l-lan'
modprobe -v vio:TnetworkSIBM,l-lan
insmod /lib/modules/2.6.14-20051030_vio-ppc64/kernel/drivers/net/ibmveth.ko
Signed-off-by: Olaf Hering <olh@suse.de>
arch/ppc64/kernel/vio.c | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+)
Index: linux-2.6.14-olh/arch/ppc64/kernel/vio.c
===================================================================
--- linux-2.6.14-olh.orig/arch/ppc64/kernel/vio.c
+++ linux-2.6.14-olh/arch/ppc64/kernel/vio.c
@@ -21,6 +21,7 @@
#include <asm/iommu.h>
#include <asm/dma.h>
#include <asm/vio.h>
+#include <asm/prom.h>
static const struct vio_device_id *vio_match_device(
const struct vio_device_id *, const struct vio_dev *);
@@ -255,7 +256,33 @@ static int vio_bus_match(struct device *
return (ids != NULL) && (vio_match_device(ids, vio_dev) != NULL);
}
+static int pseries_vio_hotplug (struct device *dev, char **envp, int num_envp,
+ char *buffer, int buffer_size)
+{
+ const struct vio_dev *vio_dev = to_vio_dev(dev);
+ char *cp;
+ int length;
+
+ if (!num_envp)
+ return -ENOMEM;
+
+ if (!vio_dev->dev.platform_data)
+ return -ENODEV;
+ cp = (char *)get_property(vio_dev->dev.platform_data, "compatible", &length);
+ if (!cp)
+ return -ENODEV;
+
+ envp[0] = buffer;
+ length = scnprintf (buffer, buffer_size, "MODALIAS=vio:T%sS%s",
+ vio_dev->type, cp);
+ if (buffer_size - length <= 0)
+ return -ENOMEM;
+ envp[1] = NULL;
+ return 0;
+}
+
struct bus_type vio_bus_type = {
.name = "vio",
+ .hotplug = pseries_vio_hotplug,
.match = vio_bus_match,
};
--
short story of a lazy sysadmin:
alias appserv=wotan
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] ppc64: add MODALIAS= for vio bus
2005-10-30 21:39 [PATCH] ppc64: add MODALIAS= for vio bus Olaf Hering
@ 2005-10-31 2:48 ` Stephen Rothwell
2005-10-31 7:38 ` Olaf Hering
2005-11-05 12:13 ` Olaf Hering
1 sibling, 1 reply; 4+ messages in thread
From: Stephen Rothwell @ 2005-10-31 2:48 UTC (permalink / raw)
To: Olaf Hering; +Cc: paulus, akpm, linuxppc64-dev, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 653 bytes --]
Hi Olaf,
This patch breaks lagacy iSeries i.e. it won't link (iSeries has no get_property()).
It may be easier to redo this patch against Paulus' merge tree.
A couple of trivial comments:
On Sun, 30 Oct 2005 22:39:00 +0100 Olaf Hering <olh@suse.de> wrote:
>
> +static int pseries_vio_hotplug (struct device *dev, char **envp, int num_envp,
^
No space here, please.
> + length = scnprintf (buffer, buffer_size, "MODALIAS=vio:T%sS%s",
^
No space here either, please.
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
[-- Attachment #2: Type: application/pgp-signature, Size: 189 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] ppc64: add MODALIAS= for vio bus
2005-10-31 2:48 ` Stephen Rothwell
@ 2005-10-31 7:38 ` Olaf Hering
0 siblings, 0 replies; 4+ messages in thread
From: Olaf Hering @ 2005-10-31 7:38 UTC (permalink / raw)
To: Stephen Rothwell; +Cc: paulus, akpm, linuxppc64-dev, linux-kernel
On Mon, Oct 31, Stephen Rothwell wrote:
> Hi Olaf,
>
> This patch breaks lagacy iSeries i.e. it won't link (iSeries has no get_property()).
> It may be easier to redo this patch against Paulus' merge tree.
Can you fix it up, why is there no get_property for iseries, yet?
iseries_veth should be autoloaded in a similar way.
Maybe it should just go into a CONFIG_PSERIES or whatever.
> A couple of trivial comments:
>
> On Sun, 30 Oct 2005 22:39:00 +0100 Olaf Hering <olh@suse.de> wrote:
> >
> > +static int pseries_vio_hotplug (struct device *dev, char **envp, int num_envp,
> ^
> No space here, please.
>
> > + length = scnprintf (buffer, buffer_size, "MODALIAS=vio:T%sS%s",
> ^
> No space here either, please.
I copied it from macio_asic.c.
--
short story of a lazy sysadmin:
alias appserv=wotan
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] ppc64: add MODALIAS= for vio bus
2005-10-30 21:39 [PATCH] ppc64: add MODALIAS= for vio bus Olaf Hering
2005-10-31 2:48 ` Stephen Rothwell
@ 2005-11-05 12:13 ` Olaf Hering
1 sibling, 0 replies; 4+ messages in thread
From: Olaf Hering @ 2005-11-05 12:13 UTC (permalink / raw)
To: Paul Mackeras, Andrew Morton; +Cc: linuxppc64-dev, linux-kernel
A non-broken udev would autoload also the drivers for devices on the
pseries vio bus, like ibmveth, ibmvscsic and hvsc. This is similar to
pci, usb and ieee1394:
/lib/modules/`uname -r`/modules.alias
alias vio:TvscsiSIBM,v-scsi* ibmvscsic
alias vio:TnetworkSIBM,l-lan* ibmveth
alias vio:Tserial-serverShvterm2* hvcs
/events/debug.00004.pci.add.1394:MODALIAS='pci:v00001014d00000188sv00000000sd00000000bc06sc04i0f'
/events/debug.00005.pci.add.1509:MODALIAS='pci:v00008086d00001229sv00001014sd000001FFbc02sc00i00'
/events/debug.00026.vio.add.1519:MODALIAS='vio:TserialShvterm1'
/events/debug.00027.vio.add.1446:MODALIAS='vio:TvscsiSIBM,v-scsi'
/events/debug.00028.vio.add.1451:MODALIAS='vio:TnetworkSIBM,l-lan'
modprobe -v vio:TnetworkSIBM,l-lan
insmod /lib/modules/2.6.14-20051030_vio-ppc64/kernel/drivers/net/ibmveth.ko
Signed-off-by: Olaf Hering <olh@suse.de>
arch/powerpc/kernel/vio.c | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+)
Index: linux-2.6.14-olh/arch/powerpc/kernel/vio.c
===================================================================
--- linux-2.6.14-olh.orig/arch/powerpc/kernel/vio.c
+++ linux-2.6.14-olh/arch/powerpc/kernel/vio.c
@@ -21,6 +21,7 @@
#include <asm/iommu.h>
#include <asm/dma.h>
#include <asm/vio.h>
+#include <asm/prom.h>
static const struct vio_device_id *vio_match_device(
const struct vio_device_id *, const struct vio_dev *);
@@ -265,7 +266,33 @@ static int vio_bus_match(struct device *
return (ids != NULL) && (vio_match_device(ids, vio_dev) != NULL);
}
+static int vio_hotplug(struct device *dev, char **envp, int num_envp,
+ char *buffer, int buffer_size)
+{
+ const struct vio_dev *vio_dev = to_vio_dev(dev);
+ char *cp;
+ int length;
+
+ if (!num_envp)
+ return -ENOMEM;
+
+ if (!vio_dev->dev.platform_data)
+ return -ENODEV;
+ cp = (char *)get_property(vio_dev->dev.platform_data, "compatible", &length);
+ if (!cp)
+ return -ENODEV;
+
+ envp[0] = buffer;
+ length = scnprintf(buffer, buffer_size, "MODALIAS=vio:T%sS%s",
+ vio_dev->type, cp);
+ if (buffer_size - length <= 0)
+ return -ENOMEM;
+ envp[1] = NULL;
+ return 0;
+}
+
struct bus_type vio_bus_type = {
.name = "vio",
+ .hotplug = vio_hotplug,
.match = vio_bus_match,
};
--
short story of a lazy sysadmin:
alias appserv=wotan
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2005-11-05 12:13 UTC | newest]
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2005-10-30 21:39 [PATCH] ppc64: add MODALIAS= for vio bus Olaf Hering
2005-10-31 2:48 ` Stephen Rothwell
2005-10-31 7:38 ` Olaf Hering
2005-11-05 12:13 ` Olaf Hering
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