2022-11-10 14:14:22

by Bitterblue Smith

[permalink] [raw]
Subject: [PATCH v2 3/3] wifi: rtl8xxxu: Use u32_get_bits in *_identify_chip

It simplifies the code a bit.

Suggested-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Bitterblue Smith <[email protected]>
---
v2:
- No change.
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c | 3 +--
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c | 5 ++---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c | 5 ++---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c | 5 ++---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c | 5 ++---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 1 -
6 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c
index ef38891ddbd1..2c4f403ba68f 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c
@@ -335,8 +335,7 @@ static int rtl8188fu_identify_chip(struct rtl8xxxu_priv *priv)
priv->has_wifi = 1;

sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
- priv->chip_cut = (sys_cfg & SYS_CFG_CHIP_VERSION_MASK) >>
- SYS_CFG_CHIP_VERSION_SHIFT;
+ priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
dev_info(dev, "Unsupported test chip\n");
ret = -ENOTSUPP;
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c
index 6c443e4822d8..e7190cb2e5a3 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c
@@ -333,8 +333,7 @@ int rtl8192cu_identify_chip(struct rtl8xxxu_priv *priv)
int ret = 0;

sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
- priv->chip_cut = (sys_cfg & SYS_CFG_CHIP_VERSION_MASK) >>
- SYS_CFG_CHIP_VERSION_SHIFT;
+ priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
dev_info(dev, "Unsupported test chip\n");
ret = -ENOTSUPP;
@@ -371,7 +370,7 @@ int rtl8192cu_identify_chip(struct rtl8xxxu_priv *priv)
rtl8xxxu_identify_vendor_1bit(priv, vendor);

val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
- priv->rom_rev = (val32 & GPIO_RF_RL_ID) >> 28;
+ priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID);

rtl8xxxu_config_endpoints_sie(priv);

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c
index fc3336f18892..bdb79dc18f06 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c
@@ -485,8 +485,7 @@ int rtl8192eu_identify_chip(struct rtl8xxxu_priv *priv)
int ret = 0;

sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
- priv->chip_cut = (sys_cfg & SYS_CFG_CHIP_VERSION_MASK) >>
- SYS_CFG_CHIP_VERSION_SHIFT;
+ priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
dev_info(dev, "Unsupported test chip\n");
ret = -ENOTSUPP;
@@ -512,7 +511,7 @@ int rtl8192eu_identify_chip(struct rtl8xxxu_priv *priv)
rtl8xxxu_identify_vendor_2bits(priv, vendor);

val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
- priv->rom_rev = (val32 & GPIO_RF_RL_ID) >> 28;
+ priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID);

rtl8xxxu_config_endpoints_sie(priv);

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c
index c8ab71ed4ff4..707ac48ecc83 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c
@@ -136,8 +136,7 @@ static int rtl8723au_identify_chip(struct rtl8xxxu_priv *priv)
int ret = 0;

sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
- priv->chip_cut = (sys_cfg & SYS_CFG_CHIP_VERSION_MASK) >>
- SYS_CFG_CHIP_VERSION_SHIFT;
+ priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
dev_info(dev, "Unsupported test chip\n");
ret = -ENOTSUPP;
@@ -165,7 +164,7 @@ static int rtl8723au_identify_chip(struct rtl8xxxu_priv *priv)
rtl8xxxu_identify_vendor_1bit(priv, vendor);

val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
- priv->rom_rev = (val32 & GPIO_RF_RL_ID) >> 28;
+ priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID);

rtl8xxxu_config_endpoints_sie(priv);

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
index ece82e613bf0..a0ec895b61a4 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
@@ -311,8 +311,7 @@ static int rtl8723bu_identify_chip(struct rtl8xxxu_priv *priv)
int ret = 0;

sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
- priv->chip_cut = (sys_cfg & SYS_CFG_CHIP_VERSION_MASK) >>
- SYS_CFG_CHIP_VERSION_SHIFT;
+ priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
dev_info(dev, "Unsupported test chip\n");
ret = -ENOTSUPP;
@@ -338,7 +337,7 @@ static int rtl8723bu_identify_chip(struct rtl8xxxu_priv *priv)
rtl8xxxu_identify_vendor_2bits(priv, vendor);

val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
- priv->rom_rev = (val32 & GPIO_RF_RL_ID) >> 28;
+ priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID);

rtl8xxxu_config_endpoints_sie(priv);

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
index 5d4cac4f4c06..3e79efdfb4c2 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
@@ -315,7 +315,6 @@
#define SYS_CFG_SPS_SEL BIT(24) /* 1:LDO regulator mode;
0:Switching regulator mode*/
#define SYS_CFG_CHIP_VERSION_MASK 0xf000 /* Bit 12 - 15 */
-#define SYS_CFG_CHIP_VERSION_SHIFT 12

#define REG_GPIO_OUTSTS 0x00f4 /* For RTL8723 only. */
#define GPIO_EFS_HCI_SEL (BIT(0) | BIT(1))
--
2.38.0


2022-11-11 07:11:13

by Ping-Ke Shih

[permalink] [raw]
Subject: RE: [PATCH v2 3/3] wifi: rtl8xxxu: Use u32_get_bits in *_identify_chip



> -----Original Message-----
> From: Bitterblue Smith <[email protected]>
> Sent: Thursday, November 10, 2022 10:01 PM
> To: [email protected]
> Cc: Jes Sorensen <[email protected]>; Ping-Ke Shih <[email protected]>
> Subject: [PATCH v2 3/3] wifi: rtl8xxxu: Use u32_get_bits in *_identify_chip
>
> It simplifies the code a bit.
>
> Suggested-by: Ping-Ke Shih <[email protected]>
> Signed-off-by: Bitterblue Smith <[email protected]>

Reviewed-by: Ping-Ke Shih <[email protected]>

> ---
> v2:
> - No change.
> ---
> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c | 3 +--
> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c | 5 ++---
> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c | 5 ++---
> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c | 5 ++---
> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c | 5 ++---
> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 1 -
> 6 files changed, 9 insertions(+), 15 deletions(-)
>

[...]