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path: root/drivers/net/wireless/rt2x00/rt73usb.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt73usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index fff8386e816b..83cc0147f698 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -134,11 +134,8 @@ static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev,
134 * Wait until the BBP becomes ready. 134 * Wait until the BBP becomes ready.
135 */ 135 */
136 reg = rt73usb_bbp_check(rt2x00dev); 136 reg = rt73usb_bbp_check(rt2x00dev);
137 if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { 137 if (rt2x00_get_field32(reg, PHY_CSR3_BUSY))
138 ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n"); 138 goto exit_fail;
139 mutex_unlock(&rt2x00dev->usb_cache_mutex);
140 return;
141 }
142 139
143 /* 140 /*
144 * Write the data into the BBP. 141 * Write the data into the BBP.
@@ -151,6 +148,13 @@ static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev,
151 148
152 rt73usb_register_write_lock(rt2x00dev, PHY_CSR3, reg); 149 rt73usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
153 mutex_unlock(&rt2x00dev->usb_cache_mutex); 150 mutex_unlock(&rt2x00dev->usb_cache_mutex);
151
152 return;
153
154exit_fail:
155 mutex_unlock(&rt2x00dev->usb_cache_mutex);
156
157 ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n");
154} 158}
155 159
156static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, 160static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
@@ -164,11 +168,8 @@ static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
164 * Wait until the BBP becomes ready. 168 * Wait until the BBP becomes ready.
165 */ 169 */
166 reg = rt73usb_bbp_check(rt2x00dev); 170 reg = rt73usb_bbp_check(rt2x00dev);
167 if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { 171 if (rt2x00_get_field32(reg, PHY_CSR3_BUSY))
168 ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); 172 goto exit_fail;
169 mutex_unlock(&rt2x00dev->usb_cache_mutex);
170 return;
171 }
172 173
173 /* 174 /*
174 * Write the request into the BBP. 175 * Write the request into the BBP.
@@ -184,14 +185,19 @@ static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
184 * Wait until the BBP becomes ready. 185 * Wait until the BBP becomes ready.
185 */ 186 */
186 reg = rt73usb_bbp_check(rt2x00dev); 187 reg = rt73usb_bbp_check(rt2x00dev);
187 if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { 188 if (rt2x00_get_field32(reg, PHY_CSR3_BUSY))
188 ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); 189 goto exit_fail;
189 *value = 0xff;
190 return;
191 }
192 190
193 *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE); 191 *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
194 mutex_unlock(&rt2x00dev->usb_cache_mutex); 192 mutex_unlock(&rt2x00dev->usb_cache_mutex);
193
194 return;
195
196exit_fail:
197 mutex_unlock(&rt2x00dev->usb_cache_mutex);
198
199 ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
200 *value = 0xff;
195} 201}
196 202
197static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev, 203static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev,