提交 7cf4a2e7 编写于 作者: S Sujith 提交者: John W. Linville

ath9k: Wrap DMA dump function with PS wakeup/restore

When dumping register contents, HW has to be awake.
Signed-off-by: NSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 b264c673
......@@ -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);
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册