Re: [PATCH 2/2] Staging: nvec: nvec: fixed check style issues

From: Marc Dietrich
Date: Mon Dec 17 2018 - 14:55:47 EST



Hi,

On Mon, 17 Dec 2018, Greg KH wrote:

On Sun, Dec 16, 2018 at 08:57:43AM -0800, Amir Mahdi Ghorbanian wrote:
@@ -626,7 +628,7 @@ static irqreturn_t nvec_interrupt(int irq, void *dev)
break;
case 2: /* first byte after command */
if (status == (I2C_SL_IRQ | RNW | RCVD)) {
- udelay(33);
+ usleep_range(0, 33);

Why is this a valid range to sleep for for this device? Have you been
able to verify/test this?

oh no, not again. Why does this come up again every half year? This udelay is a workaround for a hw bug which only seldom triggers (if it triggers at all). Secondly, this is in interrupt context, so *sleep timers are no go, afaik.

Marc