| Message ID | f7239792-028f-77dc-a86d-f89e3eeafa7d@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [1/5] wifi: rtl8xxxu: Add central frequency offset tracking | expand |
> -----Original Message----- > From: Bitterblue Smith <rtl8821cerfe2@gmail.com> > Sent: Monday, October 17, 2022 1:30 AM > To: linux-wireless@vger.kernel.org > Cc: Jes Sorensen <Jes.Sorensen@gmail.com> > Subject: [PATCH 3/5] wifi: rtl8xxxu: Recognise all possible chip cuts > > The chip cut, also known as the chip version, is a letter from A (0) > to P (15). Recognise them all instead of printing "unknown" when it's > greater than E. > > Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> > --- > .../wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 27 +++++-------------- > 1 file changed, 6 insertions(+), 21 deletions(-) > > diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c > b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c > index 2efc99896b96..a8914650815e 100644 > --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c > +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c > @@ -1573,31 +1573,16 @@ rtl8xxxu_set_spec_sifs(struct rtl8xxxu_priv *priv, u16 cck, u16 ofdm) > > static void rtl8xxxu_print_chipinfo(struct rtl8xxxu_priv *priv) > { > + static const char cuts[16] = "ABCDEFGHIJKLMNOP"; > struct device *dev = &priv->udev->dev; > - char *cut; > + char cut = '?'; > > - switch (priv->chip_cut) { > - case 0: > - cut = "A"; > - break; > - case 1: > - cut = "B"; > - break; > - case 2: > - cut = "C"; > - break; > - case 3: > - cut = "D"; > - break; > - case 4: > - cut = "E"; > - break; > - default: > - cut = "unknown"; > - } > + /* Currently always true: chip_cut is 4 bits. */ > + if (priv->chip_cut <= 15) > + cut = cuts[priv->chip_cut]; How about? cut = 'A' + priv->chip_cut; > > dev_info(dev, > - "RTL%s rev %s (%s) %iT%iR, TX queues %i, WiFi=%i, BT=%i, GPS=%i, HI PA=%i\n", > + "RTL%s rev %c (%s) %iT%iR, TX queues %i, WiFi=%i, BT=%i, GPS=%i, HI PA=%i\n", > priv->chip_name, cut, priv->chip_vendor, priv->tx_paths, > priv->rx_paths, priv->ep_tx_count, priv->has_wifi, > priv->has_bluetooth, priv->has_gps, priv->hi_pa); > -- > 2.38.0 > > ------Please consider the environment before printing this e-mail.
On 21/10/2022 08:31, Ping-Ke Shih wrote: > > >> -----Original Message----- >> From: Bitterblue Smith <rtl8821cerfe2@gmail.com> >> Sent: Monday, October 17, 2022 1:30 AM >> To: linux-wireless@vger.kernel.org >> Cc: Jes Sorensen <Jes.Sorensen@gmail.com> >> Subject: [PATCH 3/5] wifi: rtl8xxxu: Recognise all possible chip cuts >> >> The chip cut, also known as the chip version, is a letter from A (0) >> to P (15). Recognise them all instead of printing "unknown" when it's >> greater than E. >> >> Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> >> --- >> .../wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 27 +++++-------------- >> 1 file changed, 6 insertions(+), 21 deletions(-) >> >> diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c >> b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c >> index 2efc99896b96..a8914650815e 100644 >> --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c >> +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c >> @@ -1573,31 +1573,16 @@ rtl8xxxu_set_spec_sifs(struct rtl8xxxu_priv *priv, u16 cck, u16 ofdm) >> >> static void rtl8xxxu_print_chipinfo(struct rtl8xxxu_priv *priv) >> { >> + static const char cuts[16] = "ABCDEFGHIJKLMNOP"; >> struct device *dev = &priv->udev->dev; >> - char *cut; >> + char cut = '?'; >> >> - switch (priv->chip_cut) { >> - case 0: >> - cut = "A"; >> - break; >> - case 1: >> - cut = "B"; >> - break; >> - case 2: >> - cut = "C"; >> - break; >> - case 3: >> - cut = "D"; >> - break; >> - case 4: >> - cut = "E"; >> - break; >> - default: >> - cut = "unknown"; >> - } >> + /* Currently always true: chip_cut is 4 bits. */ >> + if (priv->chip_cut <= 15) >> + cut = cuts[priv->chip_cut]; > > How about? > > cut = 'A' + priv->chip_cut; > That works too.
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index 2efc99896b96..a8914650815e 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -1573,31 +1573,16 @@ rtl8xxxu_set_spec_sifs(struct rtl8xxxu_priv *priv, u16 cck, u16 ofdm) static void rtl8xxxu_print_chipinfo(struct rtl8xxxu_priv *priv) { + static const char cuts[16] = "ABCDEFGHIJKLMNOP"; struct device *dev = &priv->udev->dev; - char *cut; + char cut = '?'; - switch (priv->chip_cut) { - case 0: - cut = "A"; - break; - case 1: - cut = "B"; - break; - case 2: - cut = "C"; - break; - case 3: - cut = "D"; - break; - case 4: - cut = "E"; - break; - default: - cut = "unknown"; - } + /* Currently always true: chip_cut is 4 bits. */ + if (priv->chip_cut <= 15) + cut = cuts[priv->chip_cut]; dev_info(dev, - "RTL%s rev %s (%s) %iT%iR, TX queues %i, WiFi=%i, BT=%i, GPS=%i, HI PA=%i\n", + "RTL%s rev %c (%s) %iT%iR, TX queues %i, WiFi=%i, BT=%i, GPS=%i, HI PA=%i\n", priv->chip_name, cut, priv->chip_vendor, priv->tx_paths, priv->rx_paths, priv->ep_tx_count, priv->has_wifi, priv->has_bluetooth, priv->has_gps, priv->hi_pa);
The chip cut, also known as the chip version, is a letter from A (0) to P (15). Recognise them all instead of printing "unknown" when it's greater than E. Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> --- .../wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 27 +++++-------------- 1 file changed, 6 insertions(+), 21 deletions(-)