Re: [PATCH] phy: brcm-sata: fix a timeout test in init

From: Vivek Gautam
Date: Tue Jun 20 2017 - 04:57:22 EST




On 06/20/2017 02:12 PM, Dan Carpenter wrote:
On Tue, Jun 20, 2017 at 01:56:35PM +0530, Vivek Gautam wrote:

On 06/19/2017 04:26 PM, Dan Carpenter wrote:
We want to timeout with try set to zero so this should be a pre-op
instead of post-op.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/phy/broadcom/phy-brcm-sata.c b/drivers/phy/broadcom/phy-brcm-sata.c
index ccbc3d994998..48fb016ce689 100644
--- a/drivers/phy/broadcom/phy-brcm-sata.c
+++ b/drivers/phy/broadcom/phy-brcm-sata.c
@@ -329,7 +329,7 @@ static int brcm_nsp_sata_init(struct brcm_sata_port *port)
/* Wait for pll_seq_done bit */
try = 50;
- while (try--) {
+ while (--try) {
Do we want to try reading the status 50 times? If yes, won't your change
break that? It will rather run the loop 49 times.

Yeah. I know. I'm pretty sure that 50 is a rough number, and not an
exact thing.

Right, I agree that this must be rough count.
nice catch btw.

Best regards
Vivek


regards,
dan carpenter


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