diff options
| author | Michael Buesch | 2008-05-20 00:24:36 +0200 |
|---|---|---|
| committer | John W. Linville | 2008-05-22 03:48:17 +0200 |
| commit | 53c068566dde708cb28a4dfc06ae3d7fd7434397 (patch) | |
| tree | a724356bc3f1b00eb352d6055816901607038944 /drivers/net/wireless/b43/main.c | |
| parent | b43: Add panic reason code that doesn't trigger restart (diff) | |
| download | kernel-qcow2-linux-53c068566dde708cb28a4dfc06ae3d7fd7434397.tar.gz kernel-qcow2-linux-53c068566dde708cb28a4dfc06ae3d7fd7434397.tar.xz kernel-qcow2-linux-53c068566dde708cb28a4dfc06ae3d7fd7434397.zip | |
b43: Add firmware markers support
This adds support for firmware markers.
With firmware markers it's easily possible to check whether the
firmware runs some codepath or not. The driver will throw a message
when the firmware executes a MARKER(x).
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/main.c')
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index e1dfb4074676..cbb317bb3484 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -1689,7 +1689,7 @@ static void b43_handle_firmware_panic(struct b43_wldev *dev) static void handle_irq_ucode_debug(struct b43_wldev *dev) { unsigned int i, cnt; - u16 reason; + u16 reason, marker_id, marker_line; __le16 *buf; /* The proprietary firmware doesn't have this IRQ. */ @@ -1737,6 +1737,17 @@ static void handle_irq_ucode_debug(struct b43_wldev *dev) } printk("\n"); break; + case B43_DEBUGIRQ_MARKER: + if (!B43_DEBUG) + break; /* Only with driver debugging enabled. */ + marker_id = b43_shm_read16(dev, B43_SHM_SCRATCH, + B43_MARKER_ID_REG); + marker_line = b43_shm_read16(dev, B43_SHM_SCRATCH, + B43_MARKER_LINE_REG); + b43info(dev->wl, "The firmware just executed the MARKER(%u) " + "at line number %u\n", + marker_id, marker_line); + break; default: b43dbg(dev->wl, "Debug-IRQ triggered for unknown reason: %u\n", reason); |