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>

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 1bc40eb..fff14ad 100644 (file)
--- 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