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Date: Mon, 26 Aug 2013 17:10:07 +0200
From: Iker Pedrosa <ikerpedrosam@...il.com>
To: pavel@....cz
Cc: gregkh@...uxfoundation.org, ikerpedrosam@...il.com,
justinmattock@...il.com, harsh1kumar@...il.com,
dan.carpenter@...cle.com, mujeeb.adil@...il.com,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 08/24] Staging: winbond: reg: changed sleep function from msleep to usleep
According to the documentation it is not recommended to use msleep for 1ms - 20ms because it may sleep longer than 20ms. So, it is recommended to use usleep instead.
Signed-off-by: Iker Pedrosa <ikerpedrosam@...il.com>
---
drivers/staging/winbond/reg.c | 52 +++++++++++++++++++++----------------------
1 file changed, 26 insertions(+), 26 deletions(-)
diff --git a/drivers/staging/winbond/reg.c b/drivers/staging/winbond/reg.c
index 80b4b34..61916f5 100644
--- a/drivers/staging/winbond/reg.c
+++ b/drivers/staging/winbond/reg.c
@@ -890,9 +890,9 @@ void Uxx_power_on_procedure(struct hw_data *pHwData)
else {
Wb35Reg_WriteSync(pHwData, 0x03f4, 0xFF5807FF);
Wb35Reg_WriteSync(pHwData, 0x03d4, 0x80); /* regulator on only */
- msleep(10);
+ usleep(10000);
Wb35Reg_WriteSync(pHwData, 0x03d4, 0xb8); /* REG_ON RF_RSTN on, and */
- msleep(10);
+ usleep(10000);
ltmp = 0x4968;
if ((pHwData->phy_type == RF_WB_242) ||
(RF_WB_242_1 == pHwData->phy_type))
@@ -905,7 +905,7 @@ void Uxx_power_on_procedure(struct hw_data *pHwData)
Wb35Reg_ReadSync(pHwData, 0x03d0, <mp);
loop = 500; /* Wait for 5 second */
while (!(ltmp & 0x20) && loop--) {
- msleep(10);
+ usleep(10000);
if (!Wb35Reg_ReadSync(pHwData, 0x03d0, <mp))
break;
}
@@ -914,7 +914,7 @@ void Uxx_power_on_procedure(struct hw_data *pHwData)
}
Wb35Reg_WriteSync(pHwData, 0x03b0, 1); /* Reset hardware first */
- msleep(10);
+ usleep(10000);
/* Set burst write delay */
Wb35Reg_WriteSync(pHwData, 0x03f8, 0x7ff);
@@ -1055,18 +1055,18 @@ void RFSynthesizer_initial(struct hw_data *pHwData)
case RF_AIROHA_2230:
ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse((0x07 << 20) | 0xE168E, 20);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(10);
+ usleep(10000);
ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse(al2230_rf_data[7], 20);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(10);
+ usleep(10000);
case RF_AIROHA_2230S:
Wb35Reg_WriteSync(pHwData, 0x03d4, 0x80); /* regulator on only */
- msleep(10);
+ usleep(10000);
Wb35Reg_WriteSync(pHwData, 0x03d4, 0xa0); /* PLL_PD REF_PD set to 0 */
- msleep(10);
+ usleep(10000);
Wb35Reg_WriteSync(pHwData, 0x03d4, 0xe0); /* MLK_EN */
Wb35Reg_WriteSync(pHwData, 0x03b0, 1); /* Reset hardware first */
- msleep(10);
+ usleep(10000);
/* ========================================================= */
/* The follow code doesn't use the burst-write mode */
@@ -1077,15 +1077,15 @@ void RFSynthesizer_initial(struct hw_data *pHwData)
Wb35Reg_WriteSync(pHwData, 0x105c, ltmp);
pHwData->reg.BB50 |= 0x13; /* (MASK_IQCAL_MODE|MASK_CALIB_START) */
Wb35Reg_WriteSync(pHwData, 0x1050, pHwData->reg.BB50);
- msleep(5);
+ usleep(5000);
ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse((0x0F << 20) | 0xF01B0, 20);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(5);
+ usleep(5000);
ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse((0x0F << 20) | 0xF01E0, 20);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(5);
+ usleep(5000);
ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse((0x0F << 20) | 0xF01A0, 20);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
@@ -1102,13 +1102,13 @@ void RFSynthesizer_initial(struct hw_data *pHwData)
/* 2.4GHz */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x9ABA8F;
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(5);
+ usleep(5000);
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x3ABA8F;
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(5);
+ usleep(5000);
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x1ABA8F;
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(5);
+ usleep(5000);
/* 5GHz */
Wb35Reg_WriteSync(pHwData, 0x03dc, 0x00000000);
@@ -1119,20 +1119,20 @@ void RFSynthesizer_initial(struct hw_data *pHwData)
/* Write to register. number must less and equal than 16 */
for (i = 0; i < number; i++)
Wb35Reg_WriteSync(pHwData, 0x0864, pltmp[i]);
- msleep(5);
+ usleep(5000);
Wb35Reg_WriteSync(pHwData, 0x03dc, 0x00000080);
pr_debug("* PLL_ON high\n");
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x9ABA8F;
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(5);
+ usleep(5000);
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x3ABA8F;
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(5);
+ usleep(5000);
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x12BACF;
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(5);
+ usleep(5000);
break;
case RF_WB_242:
case RF_WB_242_1:
@@ -1147,11 +1147,11 @@ void RFSynthesizer_initial(struct hw_data *pHwData)
/* Calibration (1a.0). Synthesizer reset */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x0F<<24) | 0x00101E, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(5);
+ usleep(5000);
/* Calibration (1a). VCO frequency calibration mode ; waiting 2msec VCO calibration time */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFE69c0, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(2);
+ usleep(2000);
/* ----- Calibration (2). TX baseband Gm-C filter auto-tuning */
/* Calibration (2a). turn off ENCAL signal */
@@ -1210,7 +1210,7 @@ void RFSynthesizer_initial(struct hw_data *pHwData)
/* Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFF6DC0, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(2);
+ usleep(2000);
/* Calibration (5f). turn off ENCAL signal */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
@@ -1222,7 +1222,7 @@ void RFSynthesizer_initial(struct hw_data *pHwData)
/* Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFF6DC0, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(2);
+ usleep(2000);
/* Calibration (5f). turn off ENCAL signal */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
@@ -1234,7 +1234,7 @@ void RFSynthesizer_initial(struct hw_data *pHwData)
/* Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFF6DC0, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(2);
+ usleep(2000);
/* Calibration (5f). turn off ENCAL signal */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
@@ -1246,7 +1246,7 @@ void RFSynthesizer_initial(struct hw_data *pHwData)
/* Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFF6DC0, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(2);
+ usleep(2000);
/* Calibration (5f). turn off ENCAL signal */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xFAEDC0, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
@@ -1258,7 +1258,7 @@ void RFSynthesizer_initial(struct hw_data *pHwData)
/* 0x00 0xF86100 ; 3E184 ; Switch RF chip to normal mode */
ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse((0x00<<24) | 0xF86100, 24);
Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
- msleep(5);
+ usleep(5000);
break;
}
}
--
1.8.1.2
--
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