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| author | Sudip Mukherjee <sudipm.mukherjee@gmail.com> | 2016-03-07 17:05:50 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-30 14:15:56 -0700 |
| commit | 47f55b74cfb28cbd3328ffd5c4c0f7a14da36498 (patch) | |
| tree | 6692441e028bcbf74ac20f87cf2cc9425da96bc4 | |
| parent | 7ff4bdd45448936363dc6dc6c851112b5c08e209 (diff) | |
| download | linux-47f55b74cfb28cbd3328ffd5c4c0f7a14da36498.tar.bz2 | |
spmi: do not use bus internal data
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>
| -rw-r--r-- | drivers/spmi/spmi.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c index 6b3da1bb0d63..2b9b0941d9eb 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -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); |