diff options
| author | Sujith <Sujith.Manoharan@atheros.com> | 2009-08-26 05:41:57 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-08-28 18:40:48 (GMT) |
| commit | 7cf4a2e778ab18c66cd8dd4785aceb2800d49f79 (patch) | |
| tree | 1c13278e7b802fc00bf1e3361b48f95d5dd9d33f /drivers | |
| parent | b264c673a03329b5e5bab79b705b5bb5ab1fe965 (diff) | |
| download | linux-7cf4a2e778ab18c66cd8dd4785aceb2800d49f79.tar.xz | |
ath9k: Wrap DMA dump function with PS wakeup/restore
When dumping register contents, HW has to be awake.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 9e36920..2be4c22 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -93,6 +93,8 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf, int i, qcuOffset = 0, dcuOffset = 0; u32 *qcuBase = &val[0], *dcuBase = &val[4]; + ath9k_ps_wakeup(sc); + REG_WRITE(ah, AR_MACMISC, ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | (AR_MACMISC_MISC_OBS_BUS_1 << @@ -159,6 +161,8 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf, len += snprintf(buf + len, sizeof(buf) - len, "AR_CR: 0x%x \n", REG_READ(ah, AR_CR)); + ath9k_ps_restore(sc); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } |