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net/usb/r8152: adjust relative ocp function

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- fix the conversion between cpu and __le32
 - replace some pla_ocp and usb_ocp functions with generic_ocp function

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2013-07-31 17:21:26 +08:00 committed by David S. Miller
parent 31787f5398
commit c8826de8af
1 changed files with 23 additions and 43 deletions
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66
drivers/net/usb/r8152.c
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@ -514,37 +514,31 @@ int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index)
{
u32 data;
__le32 data;
if (type == MCU_TYPE_PLA)
pla_ocp_read(tp, index, sizeof(data), &data);
else
usb_ocp_read(tp, index, sizeof(data), &data);
generic_ocp_read(tp, index, sizeof(data), &data, type);
return __le32_to_cpu(data);
}
static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data)
{
if (type == MCU_TYPE_PLA)
pla_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data);
else
usb_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data);
__le32 tmp = __cpu_to_le32(data);
generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type);
}
static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
{
u32 data;
__le32 tmp;
u8 shift = index & 2;
index &= ~3;
if (type == MCU_TYPE_PLA)
pla_ocp_read(tp, index, sizeof(data), &data);
else
usb_ocp_read(tp, index, sizeof(data), &data);
generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
data = __le32_to_cpu(data);
data = __le32_to_cpu(tmp);
data >>= (shift * 8);
data &= 0xffff;
@ -553,7 +547,8 @@ static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
{
u32 tmp, mask = 0xffff;
u32 mask = 0xffff;
__le32 tmp;
u16 byen = BYTE_EN_WORD;
u8 shift = index & 2;
@ -566,34 +561,25 @@ static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
index &= ~3;
}
if (type == MCU_TYPE_PLA)
pla_ocp_read(tp, index, sizeof(tmp), &tmp);
else
usb_ocp_read(tp, index, sizeof(tmp), &tmp);
generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
tmp = __le32_to_cpu(tmp) & ~mask;
tmp |= data;
tmp = __cpu_to_le32(tmp);
data |= __le32_to_cpu(tmp) & ~mask;
tmp = __cpu_to_le32(data);
if (type == MCU_TYPE_PLA)
pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp);
else
usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp);
generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
}
static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
{
u32 data;
__le32 tmp;
u8 shift = index & 3;
index &= ~3;
if (type == MCU_TYPE_PLA)
pla_ocp_read(tp, index, sizeof(data), &data);
else
usb_ocp_read(tp, index, sizeof(data), &data);
generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
data = __le32_to_cpu(data);
data = __le32_to_cpu(tmp);
data >>= (shift * 8);
data &= 0xff;
@ -602,7 +588,8 @@ static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
{
u32 tmp, mask = 0xff;
u32 mask = 0xff;
__le32 tmp;
u16 byen = BYTE_EN_BYTE;
u8 shift = index & 3;
@ -615,19 +602,12 @@ static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
index &= ~3;
}
if (type == MCU_TYPE_PLA)
pla_ocp_read(tp, index, sizeof(tmp), &tmp);
else
usb_ocp_read(tp, index, sizeof(tmp), &tmp);
generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
tmp = __le32_to_cpu(tmp) & ~mask;
tmp |= data;
tmp = __cpu_to_le32(tmp);
data |= __le32_to_cpu(tmp) & ~mask;
tmp = __cpu_to_le32(data);
if (type == MCU_TYPE_PLA)
pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp);
else
usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp);
generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
}
static void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value)