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vme: change LM callback argument to void pointer

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Make the location monitor callback function prototype more useful by
changing the argument from an integer to a void pointer.

All VME bridge drivers were simply passing the location monitor index
(e.g. 0-3) as the argument to these callbacks. It is much more useful
to pass back a pointer to data that the callback-registering driver
cares about.

There appear to be no in-kernel callers of vme_lm_attach (or
vme_lme_request for that matter), so this change only affects the VME
subsystem and bridge drivers.

This has been tested with Tsi148 hardware, but the CA91Cx42 changes
have only been compiled.

Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Martyn Welch <martyn@welchs.me.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aaron Sierra
2016-04-29 16:41:02 -05:00
committed by Greg Kroah-Hartman
parent 655745b0d1
commit fa54b32680
8 changed files with 19 additions and 12 deletions
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3
drivers/vme/bridges/vme_tsi148.h
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@@ -38,7 +38,8 @@ struct tsi148_driver {
void __iomem *base; /* Base Address of device registers */
wait_queue_head_t dma_queue[2];
wait_queue_head_t iack_queue;
void (*lm_callback[4])(int); /* Called in interrupt handler */
void (*lm_callback[4])(void *); /* Called in interrupt handler */
void *lm_data[4];
void *crcsr_kernel;
dma_addr_t crcsr_bus;
struct vme_master_resource *flush_image;