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path: root/drivers/net/wireless/ath/ath9k/debug.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 6de64cface3c..c56e40ff35e5 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -916,10 +916,21 @@ static int open_file_regdump(struct inode *inode, struct file *file)
struct ath_softc *sc = inode->i_private;
unsigned int len = 0;
u8 *buf;
- int i;
+ int i, j = 0;
unsigned long num_regs, regdump_len, max_reg_offset;
+ const struct reg_hole {
+ u32 start;
+ u32 end;
+ } reg_hole_list[] = {
+ {0x0200, 0x07fc},
+ {0x0c00, 0x0ffc},
+ {0x2000, 0x3ffc},
+ {0x4100, 0x6ffc},
+ {0x705c, 0x7ffc},
+ {0x0000, 0x0000}
+ };
- max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
+ max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x8800 : 0xb500;
num_regs = max_reg_offset / 4 + 1;
regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
buf = vmalloc(regdump_len);
@@ -927,9 +938,16 @@ static int open_file_regdump(struct inode *inode, struct file *file)
return -ENOMEM;
ath9k_ps_wakeup(sc);
- for (i = 0; i < num_regs; i++)
+ for (i = 0; i < num_regs; i++) {
+ if (reg_hole_list[j].start == i << 2) {
+ i = reg_hole_list[j].end >> 2;
+ j++;
+ continue;
+ }
+
len += scnprintf(buf + len, regdump_len - len,
"0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
+ }
ath9k_ps_restore(sc);
file->private_data = buf;