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[PATCH 1/3] wl1251: fix TSF calculation

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Cast MSB part of current TSF to u64 to prevent loss of most
significant bits. MSB should also be shifted by 32.

Patch based on old maemo patch by:
Yuri Kululin <ext-yuri.kululin@xxxxxxxxx>
Yuri Ershov <ext-yuri.ershov@xxxxxxxxx>

Signed-off-by: Grazvydas Ignotas <notasas@xxxxxxxxx>
---
 drivers/net/wireless/ti/wl1251/acx.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/ti/wl1251/acx.c b/drivers/net/wireless/ti/wl1251/acx.c
index ad87a1a..db6430c 100644
--- a/drivers/net/wireless/ti/wl1251/acx.c
+++ b/drivers/net/wireless/ti/wl1251/acx.c
@@ -869,7 +869,7 @@ int wl1251_acx_tsf_info(struct wl1251 *wl, u64 *mactime)
 	}
 
 	*mactime = tsf_info->current_tsf_lsb |
-		(tsf_info->current_tsf_msb << 31);
+		((u64)tsf_info->current_tsf_msb << 32);
 
 out:
 	kfree(tsf_info);
-- 
1.7.0.4

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