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ath9k: Wrap DMA dump function with PS wakeup/restore

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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>
This commit is contained in:
Sujith 2009-08-26 11:11:57 +05:30 committed by John W. Linville
parent b264c673a0
commit 7cf4a2e778
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/ath/ath9k/debug.c
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@ -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);
}