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-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c24
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.h11
-rw-r--r--drivers/net/wireless/rt2x00/rt2800pci.c1
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c1
4 files changed, 27 insertions, 10 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index c7108050af3a..621dac18ca6c 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1684,24 +1684,28 @@ static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
{
u32 reg;
- rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
+ mutex_lock(&rt2x00dev->csr_mutex);
+
+ rt2800_register_read_lock(rt2x00dev, EFUSE_CTRL, &reg);
rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
- rt2800_register_write(rt2x00dev, EFUSE_CTRL, reg);
+ rt2800_register_write_lock(rt2x00dev, EFUSE_CTRL, reg);
/* Wait until the EEPROM has been loaded */
rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
/* Apparently the data is read from end to start */
- rt2800_register_read(rt2x00dev, EFUSE_DATA3,
- (u32 *)&rt2x00dev->eeprom[i]);
- rt2800_register_read(rt2x00dev, EFUSE_DATA2,
- (u32 *)&rt2x00dev->eeprom[i + 2]);
- rt2800_register_read(rt2x00dev, EFUSE_DATA1,
- (u32 *)&rt2x00dev->eeprom[i + 4]);
- rt2800_register_read(rt2x00dev, EFUSE_DATA0,
- (u32 *)&rt2x00dev->eeprom[i + 6]);
+ rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3,
+ (u32 *)&rt2x00dev->eeprom[i]);
+ rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2,
+ (u32 *)&rt2x00dev->eeprom[i + 2]);
+ rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1,
+ (u32 *)&rt2x00dev->eeprom[i + 4]);
+ rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0,
+ (u32 *)&rt2x00dev->eeprom[i + 6]);
+
+ mutex_unlock(&rt2x00dev->csr_mutex);
}
void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 7c790118999b..535ce22f2ac8 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -23,6 +23,8 @@
struct rt2800_ops {
void (*register_read)(struct rt2x00_dev *rt2x00dev,
const unsigned int offset, u32 *value);
+ void (*register_read_lock)(struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset, u32 *value);
void (*register_write)(struct rt2x00_dev *rt2x00dev,
const unsigned int offset, u32 value);
void (*register_write_lock)(struct rt2x00_dev *rt2x00dev,
@@ -49,6 +51,15 @@ static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev,
rt2800ops->register_read(rt2x00dev, offset, value);
}
+static inline void rt2800_register_read_lock(struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset,
+ u32 *value)
+{
+ const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+ rt2800ops->register_read_lock(rt2x00dev, offset, value);
+}
+
static inline void rt2800_register_write(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
u32 value)
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index c7a596f2da39..87a5094ae953 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1089,6 +1089,7 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
static const struct rt2800_ops rt2800pci_rt2800_ops = {
.register_read = rt2x00pci_register_read,
+ .register_read_lock = rt2x00pci_register_read, /* same for PCI */
.register_write = rt2x00pci_register_write,
.register_write_lock = rt2x00pci_register_write, /* same for PCI */
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index b57999ba8d93..b1d63935f44d 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -682,6 +682,7 @@ static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
static const struct rt2800_ops rt2800usb_rt2800_ops = {
.register_read = rt2x00usb_register_read,
+ .register_read_lock = rt2x00usb_register_read_lock,
.register_write = rt2x00usb_register_write,
.register_write_lock = rt2x00usb_register_write_lock,