From: ShadowMonkee <sshadowmonkeyy@gmail.com>
To: Marc Dietrich <marvin24@gmx.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: ac100@lists.launchpad.net, linux-tegra@vger.kernel.org,
linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org,
ShadowMonkee <sshadowmonkeyy@gmail.com>
Subject: [PATCH] staging: nvec: replace udelay with usleep_range
Date: Wed, 24 Dec 2025 12:16:51 +0100 [thread overview]
Message-ID: <20251224111651.217679-1-sshadowmonkeyy@gmail.com> (raw)
udelay() was used for a short delay in the NVEC I2C receive path.
Replace it with usleep_range(), which is preferred as it avoids
busy-waiting and allows the scheduler to run other tasks.
Signed-off-by: ShadowMonkee <sshadowmonkeyy@gmail.com>
---
drivers/staging/nvec/nvec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index 263774e6a78c..dd92f186e0db 100644
--- a/drivers/staging/nvec/nvec.c
+++ b/drivers/staging/nvec/nvec.c
@@ -648,7 +648,7 @@ 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(33, 34);
if (nvec->rx->data[0] != 0x01) {
dev_err(nvec->dev,
"Read without prior read command\n");
--
2.52.0
next reply other threads:[~2025-12-24 11:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-24 11:16 ShadowMonkee [this message]
2025-12-24 12:02 ` [PATCH] staging: nvec: replace udelay with usleep_range Greg Kroah-Hartman
2025-12-24 14:32 ` Marc Dietrich
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