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rapidio: add udev notification

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Add RapidIO-specific modalias generation to enable udev notifications
about RapidIO-specific events.

The RapidIO modalias string format is shown below:

"rapidio:vNNNNdNNNNavNNNNadNNNN"

Where:
v  - Device Vendor ID (16 bit),
d  - Device ID (16 bit),
av - Assembly Vendor ID (16 bit),
ad - Assembly ID (16 bit),

as they are reported in corresponding Capability Registers (CARs)
of each RapidIO device.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Andre van Herk <andre.van.herk@Prodrive.nl>
Cc: Micha Nelissen <micha.nelissen@Prodrive.nl>
Cc: Stef van Os <stef.van.os@Prodrive.nl>
Cc: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexandre Bounine 2013-07-03 15:08:58 -07:00 • committed by Linus Torvalds
parent fdf90abc00
commit 3bdbb62fe9
7 changed files with 74 additions and 17 deletions
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16
include/linux/rio.h
View file

@ -20,6 +20,7 @@
#include <linux/errno.h>
#include <linux/device.h>
#include <linux/rio_regs.h>
#include <linux/mod_devicetable.h>
#ifdef CONFIG_RAPIDIO_DMA_ENGINE
#include <linux/dmaengine.h>
#endif
@ -396,21 +397,6 @@ struct rio_driver {
#define to_rio_driver(drv) container_of(drv,struct rio_driver, driver)
/**
* struct rio_device_id - RIO device identifier
* @did: RIO device ID
* @vid: RIO vendor ID
* @asm_did: RIO assembly device ID
* @asm_vid: RIO assembly vendor ID
*
* Identifies a RIO device based on both the device/vendor IDs and
* the assembly device/vendor IDs.
*/
struct rio_device_id {
u16 did, vid;
u16 asm_did, asm_vid;
};
union rio_pw_msg {
struct {
u32 comptag; /* Component Tag CSR */