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[1/9] memory: emif: Correct the lpmode timeout calculation

Message ID 1355123358-5273-2-git-send-email-lokeshvutla@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Lokesh Vutla Dec. 10, 2012, 7:09 a.m. UTC 
The driver tries to round up the specified timeout cycles to
next power of 2 value. But this is done wrongly.
Correcting this here.

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

diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c
index 06d31c9..8589aba 100644
--- a/drivers/memory/emif.c
+++ b/drivers/memory/emif.c
@@ -731,9 +731,9 @@  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) {