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authorRafał Miłecki <zajec5@gmail.com>2011-09-01 01:36:18 +0400
committerJohn W. Linville <linville@tuxdriver.com>2011-09-13 23:53:45 +0400
commit095be64ebf112a7427490e360db4505ebd39a212 (patch)
tree2a86093beb7fbc9e463bc0b43542e4ae0d183ea6
parentb35e6d9a1c35fbb91716ab14551cc0985b443cd6 (diff)
downloadlinux-095be64ebf112a7427490e360db4505ebd39a212.tar.xz
b43: LCN-PHY: rewrite 0x7 table at the end of init
This is not implemented in brcmsmac, but was noticed in (newer) wl. Can be workaround for some hardware bug. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/b43/tables_phy_lcn.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/tables_phy_lcn.c b/drivers/net/wireless/b43/tables_phy_lcn.c
index f74c00a34ad5..95efea645077 100644
--- a/drivers/net/wireless/b43/tables_phy_lcn.c
+++ b/drivers/net/wireless/b43/tables_phy_lcn.c
@@ -463,6 +463,17 @@ static void b43_phy_lcn_upload_static_tables(struct b43_wldev *dev)
lcntab_upload(dev, B43_LCNTAB32(0x18, 0), b43_lcntab_0x18);
}
+/* Not implemented in brcmsmac, noticed in wl in MMIO dump */
+static void b43_phy_lcn_rewrite_tables(struct b43_wldev *dev)
+{
+ int i;
+ u32 tmp;
+ for (i = 0; i < 128; i++) {
+ tmp = b43_lcntab_read(dev, B43_LCNTAB32(0x7, 0x240 + i));
+ b43_lcntab_write(dev, B43_LCNTAB32(0x7, 0x240 + i), tmp);
+ }
+}
+
static void b43_phy_lcn_clean_0x18_table(struct b43_wldev *dev)
{
u8 i;
@@ -475,5 +486,6 @@ void b43_phy_lcn_tables_init(struct b43_wldev *dev)
{
b43_phy_lcn_upload_static_tables(dev);
/* TODO: various tables ops here */
+ b43_phy_lcn_rewrite_tables(dev);
b43_phy_lcn_clean_0x18_table(dev);
}