The mixer, PCM prepare, MIDI, synth driver, and procfs callbacks are all always invoked with IRQs enabled, so there is no point in saving the state. snd_emu1010_load_firmware_entry() is called from emu1010_firmware_work() and snd_emu10k1_emu1010_init(); the latter from snd_emu10k1_create() and snd_emu10k1_resume(), all of which have IRQs enabled. The voice and memory functions are called from mixed contexts, so they keep the state saving. The low-level functions all keep the state saving, because it's not feasible to keep track of what is called where. Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@xxxxxx> --- sound/pci/emu10k1/emu10k1_main.c | 5 ++-- sound/pci/emu10k1/emu10k1_synth.c | 10 +++---- sound/pci/emu10k1/emumixer.c | 45 +++++++++++++------------------ sound/pci/emu10k1/emumpu401.c | 40 ++++++++++++--------------- sound/pci/emu10k1/emupcm.c | 6 ++--- sound/pci/emu10k1/emuproc.c | 10 +++---- 6 files changed, 47 insertions(+), 69 deletions(-) diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index 58ed72de6403..f9418c4a9a6f 100644 --- a/sound/pci/emu10k1/emu10k1_main.c +++ b/sound/pci/emu10k1/emu10k1_main.c @@ -664,19 +664,18 @@ static int snd_emu1010_load_firmware_entry(struct snd_emu10k1 *emu, u16 reg; u8 value; __always_unused u16 write_post; - unsigned long flags; if (!fw_entry) return -EIO; /* The FPGA is a Xilinx Spartan IIE XC2S50E */ /* On E-MU 0404b it is a Xilinx Spartan III XC3S50 */ /* GPIO7 -> FPGA PGMN * GPIO6 -> FPGA CCLK * GPIO5 -> FPGA DIN * FPGA CONFIG OFF -> FPGA PGMN */ - spin_lock_irqsave(&emu->emu_lock, flags); + spin_lock_irq(&emu->emu_lock); outw(0x00, emu->port + A_GPIO); /* Set PGMN low for 100uS. */ write_post = inw(emu->port + A_GPIO); udelay(100); @@ -699,7 +698,7 @@ static int snd_emu1010_load_firmware_entry(struct snd_emu10k1 *emu, /* After programming, set GPIO bit 4 high again. */ outw(0x10, emu->port + A_GPIO); write_post = inw(emu->port + A_GPIO); - spin_unlock_irqrestore(&emu->emu_lock, flags); + spin_unlock_irq(&emu->emu_lock); return 0; } diff --git a/sound/pci/emu10k1/emu10k1_synth.c b/sound/pci/emu10k1/emu10k1_synth.c index 759e66e1105a..68dfcb24b889 100644 --- a/sound/pci/emu10k1/emu10k1_synth.c +++ b/sound/pci/emu10k1/emu10k1_synth.c @@ -22,7 +22,6 @@ static int snd_emu10k1_synth_probe(struct device *_dev) struct snd_emux *emux; struct snd_emu10k1 *hw; struct snd_emu10k1_synth_arg *arg; - unsigned long flags; arg = SNDRV_SEQ_DEVICE_ARGPTR(dev); if (arg == NULL) @@ -56,33 +55,32 @@ static int snd_emu10k1_synth_probe(struct device *_dev) return -ENOMEM; } - spin_lock_irqsave(&hw->voice_lock, flags); + spin_lock_irq(&hw->voice_lock); hw->synth = emux; hw->get_synth_voice = snd_emu10k1_synth_get_voice; - spin_unlock_irqrestore(&hw->voice_lock, flags); + spin_unlock_irq(&hw->voice_lock); dev->driver_data = emux; return 0; } static int snd_emu10k1_synth_remove(struct device *_dev) { struct snd_seq_device *dev = to_seq_dev(_dev); struct snd_emux *emux; struct snd_emu10k1 *hw; - unsigned long flags; if (dev->driver_data == NULL) return 0; /* not registered actually */ emux = dev->driver_data; hw = emux->hw; - spin_lock_irqsave(&hw->voice_lock, flags); + spin_lock_irq(&hw->voice_lock); hw->synth = NULL; hw->get_synth_voice = NULL; - spin_unlock_irqrestore(&hw->voice_lock, flags); + spin_unlock_irq(&hw->voice_lock); snd_emux_free(emux); return 0; diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c index 573e1c7c5e50..9a94f08f2463 100644 --- a/sound/pci/emu10k1/emumixer.c +++ b/sound/pci/emu10k1/emumixer.c @@ -1193,7 +1193,6 @@ static int snd_audigy_i2c_capture_source_put(struct snd_kcontrol *kcontrol, unsigned int ngain, ogain; u16 gpio; int change = 0; - unsigned long flags; u32 source; /* If the capture source has changed, * update the capture volume from the cached value @@ -1207,13 +1206,13 @@ static int snd_audigy_i2c_capture_source_put(struct snd_kcontrol *kcontrol, change = (emu->i2c_capture_source != source_id); if (change) { snd_emu10k1_i2c_write(emu, ADC_MUX, 0); /* Mute input */ - spin_lock_irqsave(&emu->emu_lock, flags); + spin_lock_irq(&emu->emu_lock); gpio = inw(emu->port + A_IOCFG); if (source_id==0) outw(gpio | 0x4, emu->port + A_IOCFG); else outw(gpio & ~0x4, emu->port + A_IOCFG); - spin_unlock_irqrestore(&emu->emu_lock, flags); + spin_unlock_irq(&emu->emu_lock); ngain = emu->i2c_capture_volume[source_id][0]; /* Left */ ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */ @@ -1357,7 +1356,6 @@ static int snd_audigy_spdif_output_rate_put(struct snd_kcontrol *kcontrol, struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); int change; unsigned int reg, val, tmp; - unsigned long flags; switch(ucontrol->value.enumerated.item[0]) { case 0: @@ -1375,14 +1373,14 @@ static int snd_audigy_spdif_output_rate_put(struct snd_kcontrol *kcontrol, } - spin_lock_irqsave(&emu->reg_lock, flags); + spin_lock_irq(&emu->reg_lock); reg = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, 0); tmp = reg & ~A_SPDIF_RATE_MASK; tmp |= val; change = (tmp != reg); if (change) snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, 0, tmp); - spin_unlock_irqrestore(&emu->reg_lock, flags); + spin_unlock_irq(&emu->reg_lock); return change; } @@ -1499,15 +1497,14 @@ static int snd_emu10k1_send_routing_get(struct snd_kcontrol *kcontrol, static int snd_emu10k1_send_routing_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - unsigned long flags; struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)]; int change = 0, voice, idx, val; int num_efx = emu->audigy ? 8 : 4; int mask = emu->audigy ? 0x3f : 0x0f; - spin_lock_irqsave(&emu->reg_lock, flags); + spin_lock_irq(&emu->reg_lock); for (voice = 0; voice < 3; voice++) for (idx = 0; idx < num_efx; idx++) { val = ucontrol->value.integer.value[(voice * num_efx) + idx] & mask; @@ -1527,7 +1524,7 @@ static int snd_emu10k1_send_routing_put(struct snd_kcontrol *kcontrol, &mix->send_routing[0][0]); } } - spin_unlock_irqrestore(&emu->reg_lock, flags); + spin_unlock_irq(&emu->reg_lock); return change; } @@ -1569,14 +1566,13 @@ static int snd_emu10k1_send_volume_get(struct snd_kcontrol *kcontrol, static int snd_emu10k1_send_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - unsigned long flags; struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)]; int change = 0, idx, val; int num_efx = emu->audigy ? 8 : 4; - spin_lock_irqsave(&emu->reg_lock, flags); + spin_lock_irq(&emu->reg_lock); for (idx = 0; idx < 3*num_efx; idx++) { val = ucontrol->value.integer.value[idx] & 255; if (mix->send_volume[idx/num_efx][idx%num_efx] != val) { @@ -1595,7 +1591,7 @@ static int snd_emu10k1_send_volume_put(struct snd_kcontrol *kcontrol, &mix->send_volume[0][0]); } } - spin_unlock_irqrestore(&emu->reg_lock, flags); + spin_unlock_irq(&emu->reg_lock); return change; } @@ -1635,13 +1631,12 @@ static int snd_emu10k1_attn_get(struct snd_kcontrol *kcontrol, static int snd_emu10k1_attn_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - unsigned long flags; struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)]; int change = 0, idx, val; - spin_lock_irqsave(&emu->reg_lock, flags); + spin_lock_irq(&emu->reg_lock); for (idx = 0; idx < 3; idx++) { unsigned uval = ucontrol->value.integer.value[idx] & 0x1ffff; val = uval * 0x8000U / 0xffffU; @@ -1658,7 +1653,7 @@ static int snd_emu10k1_attn_put(struct snd_kcontrol *kcontrol, snd_emu10k1_ptr_write(emu, VTFT_VOLUMETARGET, mix->epcm->voices[0]->number, mix->attn[0]); } } - spin_unlock_irqrestore(&emu->reg_lock, flags); + spin_unlock_irq(&emu->reg_lock); return change; } @@ -1704,15 +1699,14 @@ static int snd_emu10k1_efx_send_routing_get(struct snd_kcontrol *kcontrol, static int snd_emu10k1_efx_send_routing_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - unsigned long flags; struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); int ch = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); struct snd_emu10k1_pcm_mixer *mix = &emu->efx_pcm_mixer[ch]; int change = 0, idx, val; int num_efx = emu->audigy ? 8 : 4; int mask = emu->audigy ? 0x3f : 0x0f; - spin_lock_irqsave(&emu->reg_lock, flags); + spin_lock_irq(&emu->reg_lock); for (idx = 0; idx < num_efx; idx++) { val = ucontrol->value.integer.value[idx] & mask; if (mix->send_routing[0][idx] != val) { @@ -1727,7 +1721,7 @@ static int snd_emu10k1_efx_send_routing_put(struct snd_kcontrol *kcontrol, &mix->send_routing[0][0]); } } - spin_unlock_irqrestore(&emu->reg_lock, flags); + spin_unlock_irq(&emu->reg_lock); return change; } @@ -1769,14 +1763,13 @@ static int snd_emu10k1_efx_send_volume_get(struct snd_kcontrol *kcontrol, static int snd_emu10k1_efx_send_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - unsigned long flags; struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); int ch = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); struct snd_emu10k1_pcm_mixer *mix = &emu->efx_pcm_mixer[ch]; int change = 0, idx, val; int num_efx = emu->audigy ? 8 : 4; - spin_lock_irqsave(&emu->reg_lock, flags); + spin_lock_irq(&emu->reg_lock); for (idx = 0; idx < num_efx; idx++) { val = ucontrol->value.integer.value[idx] & 255; if (mix->send_volume[0][idx] != val) { @@ -1790,7 +1783,7 @@ static int snd_emu10k1_efx_send_volume_put(struct snd_kcontrol *kcontrol, &mix->send_volume[0][0]); } } - spin_unlock_irqrestore(&emu->reg_lock, flags); + spin_unlock_irq(&emu->reg_lock); return change; } @@ -1829,26 +1822,25 @@ static int snd_emu10k1_efx_attn_get(struct snd_kcontrol *kcontrol, static int snd_emu10k1_efx_attn_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - unsigned long flags; struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); int ch = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); struct snd_emu10k1_pcm_mixer *mix = &emu->efx_pcm_mixer[ch]; int change = 0, val; unsigned uval; - spin_lock_irqsave(&emu->reg_lock, flags); + spin_lock_irq(&emu->reg_lock); uval = ucontrol->value.integer.value[0] & 0x1ffff; val = uval * 0x8000U / 0xffffU; if (mix->attn[0] != val) { mix->attn[0] = val; change = 1; } if (change && mix->epcm) { if (mix->epcm->voices[ch]) { snd_emu10k1_ptr_write(emu, VTFT_VOLUMETARGET, mix->epcm->voices[ch]->number, mix->attn[0]); } } - spin_unlock_irqrestore(&emu->reg_lock, flags); + spin_unlock_irq(&emu->reg_lock); return change; } @@ -1884,15 +1876,14 @@ static int snd_emu10k1_shared_spdif_get(struct snd_kcontrol *kcontrol, static int snd_emu10k1_shared_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - unsigned long flags; struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); unsigned int reg, val, sw; int change = 0; sw = ucontrol->value.integer.value[0]; if (emu->card_capabilities->invert_shared_spdif) sw = !sw; - spin_lock_irqsave(&emu->emu_lock, flags); + spin_lock_irq(&emu->emu_lock); if ( emu->card_capabilities->i2c_adc) { /* Do nothing for Audigy 2 ZS Notebook */ } else if (emu->audigy) { @@ -1913,7 +1904,7 @@ static int snd_emu10k1_shared_spdif_put(struct snd_kcontrol *kcontrol, reg |= val; outl(reg | val, emu->port + HCFG); } - spin_unlock_irqrestore(&emu->emu_lock, flags); + spin_unlock_irq(&emu->emu_lock); return change; } diff --git a/sound/pci/emu10k1/emumpu401.c b/sound/pci/emu10k1/emumpu401.c index 3ce9b2129ce6..747c34b3d566 100644 --- a/sound/pci/emu10k1/emumpu401.c +++ b/sound/pci/emu10k1/emumpu401.c @@ -104,10 +104,9 @@ static void snd_emu10k1_midi_interrupt2(struct snd_emu10k1 *emu, unsigned int st static int snd_emu10k1_midi_cmd(struct snd_emu10k1 * emu, struct snd_emu10k1_midi *midi, unsigned char cmd, int ack) { - unsigned long flags; int timeout, ok; - spin_lock_irqsave(&midi->input_lock, flags); + spin_lock_irq(&midi->input_lock); mpu401_write_data(emu, midi, 0x00); /* mpu401_clear_rx(emu, midi); */ @@ -126,7 +125,7 @@ static int snd_emu10k1_midi_cmd(struct snd_emu10k1 * emu, struct snd_emu10k1_mid } else { ok = 1; } - spin_unlock_irqrestore(&midi->input_lock, flags); + spin_unlock_irq(&midi->input_lock); if (!ok) { dev_err(emu->card->dev, "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n", @@ -142,98 +141,94 @@ static int snd_emu10k1_midi_input_open(struct snd_rawmidi_substream *substream) { struct snd_emu10k1 *emu; struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data; - unsigned long flags; emu = midi->emu; if (snd_BUG_ON(!emu)) return -ENXIO; - spin_lock_irqsave(&midi->open_lock, flags); + spin_lock_irq(&midi->open_lock); midi->midi_mode |= EMU10K1_MIDI_MODE_INPUT; midi->substream_input = substream; if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT)) { - spin_unlock_irqrestore(&midi->open_lock, flags); + spin_unlock_irq(&midi->open_lock); if (snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1)) goto error_out; if (snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1)) goto error_out; } else { - spin_unlock_irqrestore(&midi->open_lock, flags); + spin_unlock_irq(&midi->open_lock); } return 0; error_out: return -EIO; } static int snd_emu10k1_midi_output_open(struct snd_rawmidi_substream *substream) { struct snd_emu10k1 *emu; struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data; - unsigned long flags; emu = midi->emu; if (snd_BUG_ON(!emu)) return -ENXIO; - spin_lock_irqsave(&midi->open_lock, flags); + spin_lock_irq(&midi->open_lock); midi->midi_mode |= EMU10K1_MIDI_MODE_OUTPUT; midi->substream_output = substream; if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) { - spin_unlock_irqrestore(&midi->open_lock, flags); + spin_unlock_irq(&midi->open_lock); if (snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1)) goto error_out; if (snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1)) goto error_out; } else { - spin_unlock_irqrestore(&midi->open_lock, flags); + spin_unlock_irq(&midi->open_lock); } return 0; error_out: return -EIO; } static int snd_emu10k1_midi_input_close(struct snd_rawmidi_substream *substream) { struct snd_emu10k1 *emu; struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data; - unsigned long flags; int err = 0; emu = midi->emu; if (snd_BUG_ON(!emu)) return -ENXIO; - spin_lock_irqsave(&midi->open_lock, flags); + spin_lock_irq(&midi->open_lock); snd_emu10k1_intr_disable(emu, midi->rx_enable); midi->midi_mode &= ~EMU10K1_MIDI_MODE_INPUT; midi->substream_input = NULL; if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT)) { - spin_unlock_irqrestore(&midi->open_lock, flags); + spin_unlock_irq(&midi->open_lock); err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0); } else { - spin_unlock_irqrestore(&midi->open_lock, flags); + spin_unlock_irq(&midi->open_lock); } return err; } static int snd_emu10k1_midi_output_close(struct snd_rawmidi_substream *substream) { struct snd_emu10k1 *emu; struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data; - unsigned long flags; int err = 0; emu = midi->emu; if (snd_BUG_ON(!emu)) return -ENXIO; - spin_lock_irqsave(&midi->open_lock, flags); + spin_lock_irq(&midi->open_lock); snd_emu10k1_intr_disable(emu, midi->tx_enable); midi->midi_mode &= ~EMU10K1_MIDI_MODE_OUTPUT; midi->substream_output = NULL; if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) { - spin_unlock_irqrestore(&midi->open_lock, flags); + spin_unlock_irq(&midi->open_lock); err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0); } else { - spin_unlock_irqrestore(&midi->open_lock, flags); + spin_unlock_irq(&midi->open_lock); } return err; } @@ -256,33 +251,32 @@ static void snd_emu10k1_midi_output_trigger(struct snd_rawmidi_substream *substr { struct snd_emu10k1 *emu; struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data; - unsigned long flags; emu = midi->emu; if (snd_BUG_ON(!emu)) return; if (up) { int max = 4; unsigned char byte; /* try to send some amount of bytes here before interrupts */ - spin_lock_irqsave(&midi->output_lock, flags); + spin_lock_irq(&midi->output_lock); while (max > 0) { if (mpu401_output_ready(emu, midi)) { if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT) || snd_rawmidi_transmit(substream, &byte, 1) != 1) { /* no more data */ - spin_unlock_irqrestore(&midi->output_lock, flags); + spin_unlock_irq(&midi->output_lock); return; } mpu401_write_data(emu, midi, byte); max--; } else { break; } } - spin_unlock_irqrestore(&midi->output_lock, flags); + spin_unlock_irq(&midi->output_lock); snd_emu10k1_intr_enable(emu, midi->tx_enable); } else { snd_emu10k1_intr_disable(emu, midi->tx_enable); diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c index 387288d623d7..8b3d1b35d6e7 100644 --- a/sound/pci/emu10k1/emupcm.c +++ b/sound/pci/emu10k1/emupcm.c @@ -343,19 +343,17 @@ static void snd_emu10k1_pcm_init_voices(struct snd_emu10k1 *emu, unsigned int end_addr, struct snd_emu10k1_pcm_mixer *mix) { - unsigned long flags; - - spin_lock_irqsave(&emu->reg_lock, flags); + spin_lock_irq(&emu->reg_lock); snd_emu10k1_pcm_init_voice(emu, evoice, w_16, stereo, start_addr, end_addr, &mix->send_routing[stereo][0], &mix->send_volume[stereo][0]); if (stereo) snd_emu10k1_pcm_init_voice(emu, evoice + 1, w_16, true, start_addr, end_addr, &mix->send_routing[2][0], &mix->send_volume[2][0]); - spin_unlock_irqrestore(&emu->reg_lock, flags); + spin_unlock_irq(&emu->reg_lock); } static void snd_emu10k1_pcm_init_extra_voice(struct snd_emu10k1 *emu, diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c index 7e2cc532471f..5533277e4d47 100644 --- a/sound/pci/emu10k1/emuproc.c +++ b/sound/pci/emu10k1/emuproc.c @@ -536,33 +536,31 @@ static unsigned int snd_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn) { - unsigned long flags; unsigned int regptr, val; regptr = (reg << 16) | chn; - spin_lock_irqsave(&emu->emu_lock, flags); + spin_lock_irq(&emu->emu_lock); outl(regptr, emu->port + iobase + PTR); val = inl(emu->port + iobase + DATA); - spin_unlock_irqrestore(&emu->emu_lock, flags); + spin_unlock_irq(&emu->emu_lock); return val; } static void snd_ptr_write(struct snd_emu10k1 *emu, unsigned int iobase, unsigned int reg, unsigned int chn, unsigned int data) { unsigned int regptr; - unsigned long flags; regptr = (reg << 16) | chn; - spin_lock_irqsave(&emu->emu_lock, flags); + spin_lock_irq(&emu->emu_lock); outl(regptr, emu->port + iobase + PTR); outl(data, emu->port + iobase + DATA); - spin_unlock_irqrestore(&emu->emu_lock, flags); + spin_unlock_irq(&emu->emu_lock); } -- 2.40.0.152.g15d061e6df