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Message-ID: <1374739144-732-3-git-send-email-hayeswang@realtek.com>
Date: Thu, 25 Jul 2013 15:59:04 +0800
From: Hayes Wang <hayeswang@...ltek.com>
To: <gregkh@...uxfoundation.org>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-usb@...r.kernel.org>, Hayes Wang <hayeswang@...ltek.com>
Subject: [PATCH v2 3/3] net/usb/r8152: adjust relative ocp function
- 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@...ltek.com>
---
drivers/net/usb/r8152.c | 66 +++++++++++++++++--------------------------------
1 file changed, 23 insertions(+), 43 deletions(-)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index ef033ab..11c51f2 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -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)
--
1.8.3.1
--
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