From efe20b73c5caefa68509ad076d4f6459c4a17420 Mon Sep 17 00:00:00 2001
From: Martin Kaiser <martin@kaiser.cx>
Date: Sat, 9 Apr 2022 18:32:10 +0200
Subject: [PATCH] staging: r8188eu: improve timeout handling in iol_execute
Use the standard kernel functions to define and check the timeout in
iol_execute.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220409163212.241122-9-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/r8188eu/hal/rtl8188e_hal_init.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/r8188eu/hal/rtl8188e_hal_init.c b/drivers/staging/r8188eu/hal/rtl8188e_hal_init.c
index 609138887b255..efdadfb619051 100644
--- a/drivers/staging/r8188eu/hal/rtl8188e_hal_init.c
+++ b/drivers/staging/r8188eu/hal/rtl8188e_hal_init.c
@@ -33,17 +33,16 @@ static s32 iol_execute(struct adapter *padapter, u8 control)
{
s32 status = _FAIL;
u8 reg_0x88 = 0;
- u32 start = 0, passing_time = 0;
+ unsigned long timeout;
control = control & 0x0f;
reg_0x88 = rtw_read8(padapter, REG_HMEBOX_E0);
rtw_write8(padapter, REG_HMEBOX_E0, reg_0x88 | control);
- start = jiffies;
+ timeout = jiffies + msecs_to_jiffies(1000);
while ((reg_0x88 = rtw_read8(padapter, REG_HMEBOX_E0)) & control &&
- (passing_time = rtw_get_passing_time_ms(start)) < 1000) {
+ time_before(jiffies, timeout))
;
- }
reg_0x88 = rtw_read8(padapter, REG_HMEBOX_E0);
status = (reg_0x88 & control) ? _FAIL : _SUCCESS;
--
2.30.2