| Message ID | 0b053ab0-0760-485f-47df-1ab1705a011c@gmail.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Kalle Valo |
| Headers | show |
| Series | [1/3] wifi: rtl8xxxu: Name some bits used in burst init | expand |
> -----Original Message----- > From: Bitterblue Smith <rtl8821cerfe2@gmail.com> > Sent: Wednesday, November 9, 2022 2:58 AM > To: linux-wireless@vger.kernel.org > Cc: Jes Sorensen <Jes.Sorensen@gmail.com>; Ping-Ke Shih <pkshih@realtek.com> > Subject: [PATCH 3/3] wifi: rtl8xxxu: Use u32_get_bits in *_identify_chip > > It simplifies the code a bit. > > Suggested-by: Ping-Ke Shih <pkshih@realtek.com> > Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> > --- > This patch should be applied after my older patch: > "[PATCH v2 2/3] wifi: rtl8xxxu: Split up rtl8xxxu_identify_chip" > --- > 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); Good to use u32_get_bits() instead of FIELD_GET(). I guess you see Kalle reminded me to use u32_encode_bits(), but I forget to forward this message to you. Anyway, thanks for your works. [...]
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))
It simplifies the code a bit. Suggested-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> --- This patch should be applied after my older patch: "[PATCH v2 2/3] wifi: rtl8xxxu: Split up rtl8xxxu_identify_chip" --- 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(-)