On Mon, 13 Apr 2009 14:05:15 +0800 Harry Ciao <[email protected]> wrote:
> Add edac_device_alloc_index(), because for MAPLE platform there may > exist several EDAC driver modules that could make use of > edac_device_ctl_info structure at the same time. The index allocation > for these structures should be taken care of by EDAC core. > From: Andrew Morton <[email protected]> keep things neat. Also avoids having global identifier device_index shadowed by local identifier device_index. Cc: Benjamin Herrenschmidt <[email protected]> Cc: Doug Thompson <[email protected]> Cc: Harry Ciao <[email protected]> Cc: Kumar Gala <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Paul Mackerras <[email protected]> Signed-off-by: Andrew Morton <[email protected]> --- drivers/edac/edac_device.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff -puN drivers/edac/amd8111_edac.c~edac-add-edac_device_alloc_index-cleanup drivers/edac/amd8111_edac.c diff -puN drivers/edac/edac_core.h~edac-add-edac_device_alloc_index-cleanup drivers/edac/edac_core.h diff -puN drivers/edac/edac_device.c~edac-add-edac_device_alloc_index-cleanup drivers/edac/edac_device.c --- a/drivers/edac/edac_device.c~edac-add-edac_device_alloc_index-cleanup +++ a/drivers/edac/edac_device.c @@ -37,7 +37,6 @@ */ static DEFINE_MUTEX(device_ctls_mutex); static LIST_HEAD(edac_device_list); -static atomic_t device_indexes = ATOMIC_INIT(0); #ifdef CONFIG_EDAC_DEBUG static void edac_device_dump_device(struct edac_device_ctl_info *edac_dev) @@ -499,6 +498,8 @@ void edac_device_reset_delay_period(stru */ int edac_device_alloc_index(void) { + static atomic_t device_indexes = ATOMIC_INIT(0); + return atomic_inc_return(&device_indexes) - 1; } EXPORT_SYMBOL_GPL(edac_device_alloc_index); _ _______________________________________________ Linuxppc-dev mailing list [email protected] https://ozlabs.org/mailman/listinfo/linuxppc-dev
