b43: read PHY info only when needed (for PHY-A)

We risk reading TMSHIGH register twice, but PHY-A are really rare and we
do not support them at the moment.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 1bc40eb3e49a..fff14adb273f 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2118,7 +2118,6 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx)
         int err;
 
         /* Get microcode */
-        tmshigh = ssb_read32(dev->sdev, SSB_TMSHIGH);
         if ((rev >= 5) && (rev <= 10))
                 filename = "ucode5";
         else if ((rev >= 11) && (rev <= 12))
@@ -2157,6 +2156,7 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx)
         switch (dev->phy.type) {
         case B43_PHYTYPE_A:
                 if ((rev >= 5) && (rev <= 10)) {
+                        tmshigh = ssb_read32(dev->sdev, SSB_TMSHIGH);
                         if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY)
                                 filename = "a0g1initvals5";
                         else
@@ -2201,6 +2201,7 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx)
         switch (dev->phy.type) {
         case B43_PHYTYPE_A:
                 if ((rev >= 5) && (rev <= 10)) {
+                        tmshigh = ssb_read32(dev->sdev, SSB_TMSHIGH);
                         if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY)
                                 filename = "a0g1bsinitvals5";
                         else