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wl1251: fix TSF calculation
authorGrazvydas Ignotas <notasas@gmail.com>
Sat, 16 Jun 2012 19:26:46 +0000 (22:26 +0300)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 20 Jun 2012 18:10:24 +0000 (14:10 -0400)
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@nokia.com>
Yuri Ershov <ext-yuri.ershov@nokia.com>

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/ti/wl1251/acx.c patch | blob | blame | history

diff --git a/drivers/net/wireless/ti/wl1251/acx.c b/drivers/net/wireless/ti/wl1251/acx.c
index ad87a1ac6462aab40befe12db72eef99fcc52f5b..db6430c1a08414650a894d3e8a6d41c57cba1711 100644 (file)
--- 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);