Jakub Sitnicki <[email protected]> writes: > This is a preparatory step for adding support for RTL8188EU chips > which have different efuse length.
The way the EFUSES are stored, it doesn't matter that you try to read more data as the EFUSE will stop. I already added support for reading the larger EFUSE on 8192EU and 8723BU (and I have patches somewhere reading the 8188EU EFUSE too), so I am pretty sure this change isn't necessary. Jes > > Signed-off-by: Jakub Sitnicki <[email protected]> > --- > drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 5 ++++- > drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 1 + > 2 files changed, 5 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c > b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c > index d48db87..a7d172a 100644 > --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c > +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c > @@ -1930,6 +1930,7 @@ rtl8xxxu_read_efuse8(struct rtl8xxxu_priv *priv, u16 > offset, u8 *data) > static int rtl8xxxu_read_efuse(struct rtl8xxxu_priv *priv) > { > struct device *dev = &priv->udev->dev; > + int efuse_len = priv->fops->efuse_len; > int i, ret = 0; > u8 val8, word_mask, header, extheader; > u16 val16, efuse_addr, offset; > @@ -1978,7 +1979,7 @@ static int rtl8xxxu_read_efuse(struct rtl8xxxu_priv > *priv) > memset(priv->efuse_wifi.raw, 0xff, EFUSE_MAP_LEN_8723A); > > efuse_addr = 0; > - while (efuse_addr < EFUSE_REAL_CONTENT_LEN_8723A) { > + while (efuse_addr < efuse_len) { > u16 map_addr; > > ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &header); > @@ -5780,6 +5781,7 @@ static struct rtl8xxxu_fileops rtl8723au_fops = { > .parse_efuse = rtl8723au_parse_efuse, > .load_firmware = rtl8723au_load_firmware, > .power_on = rtl8723au_power_on, > + .efuse_len = EFUSE_REAL_CONTENT_LEN_8723A, > .writeN_block_size = 1024, > }; > > @@ -5787,6 +5789,7 @@ static struct rtl8xxxu_fileops rtl8192cu_fops = { > .parse_efuse = rtl8192cu_parse_efuse, > .load_firmware = rtl8192cu_load_firmware, > .power_on = rtl8192cu_power_on, > + .efuse_len = EFUSE_REAL_CONTENT_LEN_8723A, > .writeN_block_size = 128, > }; > > diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h > b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h > index 2f5f903..ccfbc10 100644 > --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h > +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h > @@ -677,5 +677,6 @@ struct rtl8xxxu_fileops { > int (*parse_efuse) (struct rtl8xxxu_priv *priv); > int (*load_firmware) (struct rtl8xxxu_priv *priv); > int (*power_on) (struct rtl8xxxu_priv *priv); > + int efuse_len; > int writeN_block_size; > }; -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
