emu_lock locks the card's registers, but that's necessary only for multi-register access, incl. read-modify-write cycles.
Signed-off-by: Oswald Buddenhagen oswald.buddenhagen@gmx.de --- sound/pci/emu10k1/emuproc.c | 6 ------ 1 file changed, 6 deletions(-)
diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c index bec72dc60a41..c92253de881e 100644 --- a/sound/pci/emu10k1/emuproc.c +++ b/sound/pci/emu10k1/emuproc.c @@ -399,31 +399,25 @@ static void snd_emu_proc_io_reg_read(struct snd_info_entry *entry, { struct snd_emu10k1 *emu = entry->private_data; unsigned long value; - unsigned long flags; int i; snd_iprintf(buffer, "IO Registers:\n\n"); for(i = 0; i < 0x40; i+=4) { - spin_lock_irqsave(&emu->emu_lock, flags); value = inl(emu->port + i); - spin_unlock_irqrestore(&emu->emu_lock, flags); snd_iprintf(buffer, "%02X: %08lX\n", i, value); } }
static void snd_emu_proc_io_reg_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { struct snd_emu10k1 *emu = entry->private_data; - unsigned long flags; char line[64]; u32 reg, val; while (!snd_info_get_line(buffer, line, sizeof(line))) { if (sscanf(line, "%x %x", ®, &val) != 2) continue; if (reg < 0x40 && val <= 0xffffffff) { - spin_lock_irqsave(&emu->emu_lock, flags); outl(val, emu->port + (reg & 0xfffffffc)); - spin_unlock_irqrestore(&emu->emu_lock, flags); } } }