From f74346a04b79c9a5e50a2ee5e923b94195975d17 Mon Sep 17 00:00:00 2001
From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Date: Mon, 24 Mar 2014 16:25:04 -0700
Subject: [PATCH] HID: hid-sensor-hub: fix sleeping function called from
 invalid context

Fix issue with the sleeping calling hid_hw_request under spinlock.
When i2c is used as HID transport, this is calling kmalloc, which
can sleep. So remove call to this function while under spinlock.
 [ 1067.021961] Call Trace:
 [ 1067.021970]  [<ffffffff8192f5f2>] dump_stack+0x4d/0x6f
 [ 1067.021976]  [<ffffffff811109f2>] __might_sleep+0xd2/0xf0
 [ 1067.021981]  [<ffffffff811ea15b>] __kmalloc+0xeb/0x200
 [ 1067.021989]  [<ffffffff816e0cb3>] ? hid_alloc_report_buf+0x23/0x30
 [ 1067.021993]  [<ffffffff816e0cb3>] hid_alloc_report_buf+0x23/0x30
 [ 1067.021997]  [<ffffffff816f4cb7>] i2c_hid_request+0x57/0x110
 [ 1067.022006]  [<ffffffffa02bc61c>] sensor_hub_input_attr_get_raw_value+0xbc/0x100 [hid_sensor_hub]

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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