The driver tries to round up the specified timeout cycles to
the next power of 2 value. But this is done wrongly.
Correcting this here.

Reported-by: Nishanth Menon <n...@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
---
 drivers/memory/emif.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c
index df08736..622638c 100644
--- a/drivers/memory/emif.c
+++ b/drivers/memory/emif.c
@@ -732,9 +732,9 @@ static u32 get_pwr_mgmt_ctrl(u32 freq, struct emif_data 
*emif, u32 ip_rev)
        if (timeout < 16) {
                timeout = 0;
        } else {
-               timeout = __fls(timeout) - 3;
                if (timeout & (timeout - 1))
-                       timeout++;
+                       timeout <<= 1;
+               timeout = __fls(timeout) - 3;
        }
 
        switch (lpmode) {
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to