According to Documentation/timers/timers-howto.txt, a driver should
use usleep_range() instead of udelay() on NON-ATOMIC CONTEXT if
"SLEEPING FOR ~USECS OR SMALL MSECS ( 10us - 20ms)".
Since the .hardware_init() and .power_ctrl() will run on NON-ATOMIC
CONTEXT, this patch replaces udelay() with usleep_range().
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
---
drivers/usb/renesas_usbhs/rcar3.c | 2 +-
drivers/usb/renesas_usbhs/rza.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/renesas_usbhs/rcar3.c b/drivers/usb/renesas_usbhs/rcar3.c
index aa38204..5e730e9 100644
--- a/drivers/usb/renesas_usbhs/rcar3.c
+++ b/drivers/usb/renesas_usbhs/rcar3.c
@@ -59,7 +59,7 @@ static int usbhs_rcar3_power_ctrl(struct platform_device *pdev,
if (enable) {
usbhs_bset(priv, LPSTS, LPSTS_SUSPM, LPSTS_SUSPM);
/* The controller on R-Car Gen3 needs to wait up to 45 usec */
- udelay(45);
+ usleep_range(45, 90);
} else {
usbhs_bset(priv, LPSTS, LPSTS_SUSPM, 0);
}
diff --git a/drivers/usb/renesas_usbhs/rza.c b/drivers/usb/renesas_usbhs/rza.c
index 5b28725..8c739bd 100644
--- a/drivers/usb/renesas_usbhs/rza.c
+++ b/drivers/usb/renesas_usbhs/rza.c
@@ -35,7 +35,7 @@ static int usbhs_rza1_hardware_init(struct platform_device *pdev)
/* Enable USB PLL (NOTE: ch0 controls both ch0 and ch1) */
usbhs_bset(priv, SYSCFG, UPLLE, UPLLE);
- udelay(1000);
+ usleep_range(1000, 2000);
usbhs_bset(priv, SUSPMODE, SUSPM, SUSPM);
return 0;
--
1.9.1
