Please ignore this patch. Wrong header. Submitted the correct one instead: https://patchwork.kernel.org/patch/9854809/ > -----Original Message----- > From: Reizer, Eyal > Sent: Thursday, July 20, 2017 3:13 PM > To: 'Kalle Valo'; ',Tony Lindgren'; 'linux-wireless@xxxxxxxxxxxxxxx'; 'linux- > kernel@xxxxxxxxxxxxxxx' > Cc: 'sebastian.reichel@xxxxxxxxxxxxxxx' > Subject: [v3] wl18xx: add missing nvs file name info for wilink8 > > The following commits: > c815fde wlcore: spi: Populate config firmware data > d776fc8 wlcore: sdio: Populate config firmware data > > Populated the nvs entry for wilink6 and wilink7 only while it is > still needed for wilink8 as well. > This broke user space backward compatibility when upgrading from older > kernels, as the alternate mac address would not be read from the nvs that is > already present in the file system (lib/firmware/ti-connectivity/wl1271-nvs.bin) > causing mac address change of the wlan interface. > > This patch fix this and update the structure field with the same default nvs file > name that has been used before. > > In addition, some distros hold a default wl1271-nvs.bin in the file > system with a bogus mac address (deadbeef...) that for a wl18xx device > also overrides the mac address that is stored inside the device. > Warn users about this bogus mac address. > > Cc: stable <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Eyal Reizer <eyalr@xxxxxx> > --- > v2->v3: add a check for default deadbeef... mac address and warn about it > > drivers/net/wireless/ti/wlcore/main.c | 10 ++++++++++ > drivers/net/wireless/ti/wlcore/sdio.c | 1 + > drivers/net/wireless/ti/wlcore/spi.c | 1 + > 3 files changed, 12 insertions(+) > > diff --git a/drivers/net/wireless/ti/wlcore/main.c > b/drivers/net/wireless/ti/wlcore/main.c > index 60aaa85..37c35aa 100644 > --- a/drivers/net/wireless/ti/wlcore/main.c > +++ b/drivers/net/wireless/ti/wlcore/main.c > @@ -5961,6 +5961,16 @@ static void wl12xx_derive_mac_addresses(struct > wl1271 *wl, u32 oui, u32 nic) > if (nic + WLCORE_NUM_MAC_ADDRESSES - wl->num_mac_addr > > 0xffffff) > wl1271_warning("NIC part of the MAC address wraps > around!"); > > + if (oui == 0xdeadbe && nic == 0xef0000) > + wl1271_warning("Detected unconfigured mac address in > nvs.\n" > + "in case of using a wl12xx device, your " > + "device performance may not be optimized.\n" > + "Please use the calibrator tool to configure " > + "your device.\n" > + "When using a wl18xx device the nvs file can " > + "be removed as a default mac address is " > + "stored internally.\n"); > + > for (i = 0; i < wl->num_mac_addr; i++) { > wl->addresses[i].addr[0] = (u8)(oui >> 16); > wl->addresses[i].addr[1] = (u8)(oui >> 8); > diff --git a/drivers/net/wireless/ti/wlcore/sdio.c > b/drivers/net/wireless/ti/wlcore/sdio.c > index 2fb3871..f8a1fea 100644 > --- a/drivers/net/wireless/ti/wlcore/sdio.c > +++ b/drivers/net/wireless/ti/wlcore/sdio.c > @@ -230,6 +230,7 @@ static const struct wilink_family_data wl128x_data = { > static const struct wilink_family_data wl18xx_data = { > .name = "wl18xx", > .cfg_name = "ti-connectivity/wl18xx-conf.bin", > + .nvs_name = "ti-connectivity/wl1271-nvs.bin", > }; > > static const struct of_device_id wlcore_sdio_of_match_table[] = { > diff --git a/drivers/net/wireless/ti/wlcore/spi.c > b/drivers/net/wireless/ti/wlcore/spi.c > index fdabb92..62ce54a 100644 > --- a/drivers/net/wireless/ti/wlcore/spi.c > +++ b/drivers/net/wireless/ti/wlcore/spi.c > @@ -92,6 +92,7 @@ static const struct wilink_family_data wl128x_data = { > static const struct wilink_family_data wl18xx_data = { > .name = "wl18xx", > .cfg_name = "ti-connectivity/wl18xx-conf.bin", > + .nvs_name = "ti-connectivity/wl1271-nvs.bin", > }; > > struct wl12xx_spi_glue { > -- > 2.7.4 Best Regards, Eyal