Messages in this thread Patch in this message | | | From | Lokesh Vutla <> | Subject | [PATCH 1/8] memory: emif: Correct the lpmode timeout calculation | Date | Mon, 11 Mar 2013 10:35:58 +0530 |
| |
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 <nm@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@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
| |