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spmi: do not use bus internal data

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The variable p is a data structure which is used by the driver core
internally and it is not expected that busses will be directly accessing
these driver core internal only data.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sudip Mukherjee 2016-03-07 17:05:50 +05:30 committed by Greg Kroah-Hartman
parent 7ff4bdd454
commit 47f55b74cf
1 changed files with 10 additions and 2 deletions
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12
drivers/spmi/spmi.c
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@ -25,6 +25,7 @@
#define CREATE_TRACE_POINTS
#include <trace/events/spmi.h>
static bool is_registered;
static DEFINE_IDA(ctrl_ida);
static void spmi_dev_release(struct device *dev)
@ -507,7 +508,7 @@ int spmi_controller_add(struct spmi_controller *ctrl)
int ret;
/* Can't register until after driver model init */
if (WARN_ON(!spmi_bus_type.p))
if (WARN_ON(!is_registered))
return -EAGAIN;
ret = device_add(&ctrl->dev);
@ -576,7 +577,14 @@ module_exit(spmi_exit);
static int __init spmi_init(void)
{
return bus_register(&spmi_bus_type);
int ret;
ret = bus_register(&spmi_bus_type);
if (ret)
return ret;
is_registered = true;
return 0;
}
postcore_initcall(spmi_init);