Re: 2.6.22-rc1 lost snd_4236 device

From: Rene Herman
Date: Tue May 15 2007 - 01:45:48 EST

On 05/13/2007 06:23 PM, Pete Clements wrote:

Fyi:
With 2.6.22-rc1 get following when loading sound device module. Introduced
with 2.6.21-git16.

FATAL: Error inserting snd_cs4236 (/lib/modules/2.6.22-rc1/kernel/sound/isa/cs423x/snd-cs4236.ko): No such device
FATAL: Error running install command for snd_cs4236

Yup; the conversion of the mixed legacy/pnp ALSA drivers to the isa_bus framework is not quite right. Wants the attached.

Takashi, this needs to go to Linus. Can you make sure it gets there? This is against -linus HEAD.

Signed-off-by: Rene Herman <rene.herman@xxxxxxxxx>

Rene. diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c
index 214d65d..f471f8a 100644
--- a/sound/isa/cmi8330.c
+++ b/sound/isa/cmi8330.c
@@ -109,6 +109,7 @@ module_param_array(wssdma, int, NULL, 0444);
MODULE_PARM_DESC(wssdma, "DMA for CMI8330 WSS driver.");

#ifdef CONFIG_PNP
+static int isa_registered;
static int pnp_registered;
#endif

@@ -686,14 +687,18 @@ static int __init alsa_card_cmi8330_init(void)
int err;

err = isa_register_driver(&snd_cmi8330_driver, SNDRV_CARDS);
- if (err < 0)
- return err;
#ifdef CONFIG_PNP
+ if (!err)
+ isa_registered = 1;
+
err = pnp_register_card_driver(&cmi8330_pnpc_driver);
if (!err)
pnp_registered = 1;
+
+ if (isa_registered)
+ err = 0;
#endif
- return 0;
+ return err;
}

static void __exit alsa_card_cmi8330_exit(void)
@@ -701,8 +706,10 @@ static void __exit alsa_card_cmi8330_exit(void)
#ifdef CONFIG_PNP
if (pnp_registered)
pnp_unregister_card_driver(&cmi8330_pnpc_driver);
+
+ if (isa_registered)
#endif
- isa_unregister_driver(&snd_cmi8330_driver);
+ isa_unregister_driver(&snd_cmi8330_driver);
}

module_init(alsa_card_cmi8330_init)
diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c
index 87f1392..1a14f33 100644
--- a/sound/isa/cs423x/cs4236.c
+++ b/sound/isa/cs423x/cs4236.c
@@ -127,6 +127,7 @@ module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " IDENT " driver.");

#ifdef CONFIG_PNP
+static int isa_registered;
static int pnpc_registered;
#ifdef CS4232
static int pnp_registered;
@@ -770,9 +771,9 @@ static int __init alsa_card_cs423x_init(void)
int err;

err = isa_register_driver(&cs423x_isa_driver, SNDRV_CARDS);
- if (err < 0)
- return err;
#ifdef CONFIG_PNP
+ if (!err)
+ isa_registered = 1;
#ifdef CS4232
err = pnp_register_driver(&cs4232_pnp_driver);
if (!err)
@@ -781,8 +782,14 @@ static int __init alsa_card_cs423x_init(void)
err = pnp_register_card_driver(&cs423x_pnpc_driver);
if (!err)
pnpc_registered = 1;
-#endif /* CONFIG_PNP */
- return 0;
+#ifdef CS4232
+ if (pnp_registered)
+ err = 0;
+#endif
+ if (isa_registered)
+ err = 0;
+#endif
+ return err;
}

static void __exit alsa_card_cs423x_exit(void)
@@ -794,8 +801,9 @@ static void __exit alsa_card_cs423x_exit(void)
if (pnp_registered)
pnp_unregister_driver(&cs4232_pnp_driver);
#endif
-#endif /* CONFIG_PNP */
- isa_unregister_driver(&cs423x_isa_driver);
+ if (isa_registered)
+#endif
+ isa_unregister_driver(&cs423x_isa_driver);
}

module_init(alsa_card_cs423x_init)
diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
index d2a9c7d..f7732bf 100644
--- a/sound/isa/es18xx.c
+++ b/sound/isa/es18xx.c
@@ -2036,7 +2036,9 @@ module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA 2 # for ES18xx driver.");

#ifdef CONFIG_PNP
-static int pnp_registered, pnpc_registered;
+static int isa_registered;
+static int pnp_registered;
+static int pnpc_registered;

static struct pnp_device_id snd_audiodrive_pnpbiosids[] = {
{ .id = "ESS1869" },
@@ -2466,18 +2468,22 @@ static int __init alsa_card_es18xx_init(void)
int err;

err = isa_register_driver(&snd_es18xx_isa_driver, SNDRV_CARDS);
- if (err < 0)
- return err;
-
#ifdef CONFIG_PNP
+ if (!err)
+ isa_registered = 1;
+
err = pnp_register_driver(&es18xx_pnp_driver);
if (!err)
pnp_registered = 1;
+
err = pnp_register_card_driver(&es18xx_pnpc_driver);
if (!err)
pnpc_registered = 1;
+
+ if (isa_registered || pnp_registered)
+ err = 0;
#endif
- return 0;
+ return err;
}

static void __exit alsa_card_es18xx_exit(void)
@@ -2487,8 +2493,9 @@ static void __exit alsa_card_es18xx_exit(void)
pnp_unregister_card_driver(&es18xx_pnpc_driver);
if (pnp_registered)
pnp_unregister_driver(&es18xx_pnp_driver);
+ if (isa_registered)
#endif
- isa_unregister_driver(&snd_es18xx_isa_driver);
+ isa_unregister_driver(&snd_es18xx_isa_driver);
}

module_init(alsa_card_es18xx_init)
diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c
index 3e46572..0220cdb 100644
--- a/sound/isa/gus/interwave.c
+++ b/sound/isa/gus/interwave.c
@@ -135,6 +135,7 @@ struct snd_interwave {


#ifdef CONFIG_PNP
+static int isa_registered;
static int pnp_registered;

static struct pnp_card_device_id snd_interwave_pnpids[] = {
@@ -934,15 +935,18 @@ static int __init alsa_card_interwave_init(void)
int err;

err = isa_register_driver(&snd_interwave_driver, SNDRV_CARDS);
- if (err < 0)
- return err;
#ifdef CONFIG_PNP
- /* ISA PnP cards */
+ if (!err)
+ isa_registered = 1;
+
err = pnp_register_card_driver(&interwave_pnpc_driver);
if (!err)
pnp_registered = 1;
+
+ if (isa_registered)
+ err = 0;
#endif
- return 0;
+ return err;
}

static void __exit alsa_card_interwave_exit(void)
@@ -950,8 +954,9 @@ static void __exit alsa_card_interwave_exit(void)
#ifdef CONFIG_PNP
if (pnp_registered)
pnp_unregister_card_driver(&interwave_pnpc_driver);
+ if (isa_registered)
#endif
- isa_unregister_driver(&snd_interwave_driver);
+ isa_unregister_driver(&snd_interwave_driver);
}

module_init(alsa_card_interwave_init)
diff --git a/sound/isa/opl3sa2.c b/sound/isa/opl3sa2.c
index 48743eb..61a323c 100644
--- a/sound/isa/opl3sa2.c
+++ b/sound/isa/opl3sa2.c
@@ -92,6 +92,7 @@ module_param_array(opl3sa3_ymode, int, NULL, 0444);
MODULE_PARM_DESC(opl3sa3_ymode, "Speaker size selection for 3D Enhancement mode: Desktop/Large Notebook/Small Notebook/HiFi.");

#ifdef CONFIG_PNP
+static int isa_registered;
static int pnp_registered;
static int pnpc_registered;
#endif
@@ -967,17 +968,22 @@ static int __init alsa_card_opl3sa2_init(void)
int err;

err = isa_register_driver(&snd_opl3sa2_isa_driver, SNDRV_CARDS);
- if (err < 0)
- return err;
#ifdef CONFIG_PNP
+ if (!err)
+ isa_registered = 1;
+
err = pnp_register_driver(&opl3sa2_pnp_driver);
if (!err)
pnp_registered = 1;
+
err = pnp_register_card_driver(&opl3sa2_pnpc_driver);
if (!err)
pnpc_registered = 1;
+
+ if (isa_registered || pnp_registered)
+ err = 0;
#endif
- return 0;
+ return err;
}

static void __exit alsa_card_opl3sa2_exit(void)
@@ -987,8 +993,9 @@ static void __exit alsa_card_opl3sa2_exit(void)
pnp_unregister_card_driver(&opl3sa2_pnpc_driver);
if (pnp_registered)
pnp_unregister_driver(&opl3sa2_pnp_driver);
+ if (isa_registered)
#endif
- isa_unregister_driver(&snd_opl3sa2_isa_driver);
+ isa_unregister_driver(&snd_opl3sa2_isa_driver);
}

module_init(alsa_card_opl3sa2_init)
diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c
index 2a19b0a..c4ba24b 100644
--- a/sound/isa/sb/sb16.c
+++ b/sound/isa/sb/sb16.c
@@ -129,6 +129,7 @@ MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
#endif

#ifdef CONFIG_PNP
+static int isa_registered;
static int pnp_registered;
#endif

@@ -702,15 +703,18 @@ static int __init alsa_card_sb16_init(void)
int err;

err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
- if (err < 0)
- return err;
#ifdef CONFIG_PNP
- /* PnP cards at last */
+ if (!err)
+ isa_registered = 1;
+
err = pnp_register_card_driver(&sb16_pnpc_driver);
if (!err)
pnp_registered = 1;
+
+ if (isa_registered)
+ err = 0;
#endif
- return 0;
+ return err;
}

static void __exit alsa_card_sb16_exit(void)
@@ -718,8 +722,9 @@ static void __exit alsa_card_sb16_exit(void)
#ifdef CONFIG_PNP
if (pnp_registered)
pnp_unregister_card_driver(&sb16_pnpc_driver);
+ if (isa_registered)
#endif
- isa_unregister_driver(&snd_sb16_isa_driver);
+ isa_unregister_driver(&snd_sb16_isa_driver);
}

module_init(alsa_card_sb16_init)
diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c
index 08c1497..9ea417b 100644
--- a/sound/isa/sscape.c
+++ b/sound/isa/sscape.c
@@ -69,7 +69,9 @@ module_param_array(dma, int, NULL, 0444);
MODULE_PARM_DESC(dma, "DMA # for SoundScape driver.");

#ifdef CONFIG_PNP
+static int isa_registered;
static int pnp_registered;
+
static struct pnp_card_device_id sscape_pnpids[] = {
{ .id = "ENS3081", .devs = { { "ENS0000" } } },
{ .id = "" } /* end */
@@ -1405,22 +1407,21 @@ static struct pnp_card_driver sscape_pnpc_driver = {

static int __init sscape_init(void)
{
- int ret;
+ int err;

- /*
- * First check whether we were passed any parameters.
- * These MUST take precedence over ANY automatic way
- * of allocating cards, because the operator is
- * S-P-E-L-L-I-N-G it out for us...
- */
- ret = isa_register_driver(&snd_sscape_driver, SNDRV_CARDS);
- if (ret < 0)
- return ret;
+ err = isa_register_driver(&snd_sscape_driver, SNDRV_CARDS);
#ifdef CONFIG_PNP
- if (pnp_register_card_driver(&sscape_pnpc_driver) == 0)
+ if (!err)
+ isa_registered = 1;
+
+ err = pnp_register_card_driver(&sscape_pnpc_driver);
+ if (!err)
pnp_registered = 1;
+
+ if (isa_registered)
+ err = 0;
#endif
- return 0;
+ return err;
}

static void __exit sscape_exit(void)
@@ -1428,8 +1429,9 @@ static void __exit sscape_exit(void)
#ifdef CONFIG_PNP
if (pnp_registered)
pnp_unregister_card_driver(&sscape_pnpc_driver);
+ if (isa_registered)
#endif
- isa_unregister_driver(&snd_sscape_driver);
+ isa_unregister_driver(&snd_sscape_driver);
}

module_init(sscape_init);
diff --git a/sound/isa/wavefront/wavefront.c b/sound/isa/wavefront/wavefront.c
index 75673f7..83c2fc4 100644
--- a/sound/isa/wavefront/wavefront.c
+++ b/sound/isa/wavefront/wavefront.c
@@ -86,6 +86,7 @@ module_param_array(use_cs4232_midi, bool, NULL, 0444);
MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");

#ifdef CONFIG_PNP
+static int isa_registered;
static int pnp_registered;

static struct pnp_card_device_id snd_wavefront_pnpids[] = {
@@ -706,14 +707,18 @@ static int __init alsa_card_wavefront_init(void)
int err;

err = isa_register_driver(&snd_wavefront_driver, SNDRV_CARDS);
- if (err < 0)
- return err;
#ifdef CONFIG_PNP
+ if (!err)
+ isa_registered = 1;
+
err = pnp_register_card_driver(&wavefront_pnpc_driver);
if (!err)
pnp_registered = 1;
+
+ if (isa_registered)
+ err = 0;
#endif
- return 0;
+ return err;
}

static void __exit alsa_card_wavefront_exit(void)
@@ -721,8 +726,9 @@ static void __exit alsa_card_wavefront_exit(void)
#ifdef CONFIG_PNP
if (pnp_registered)
pnp_unregister_card_driver(&wavefront_pnpc_driver);
+ if (isa_registered)
#endif
- isa_unregister_driver(&snd_wavefront_driver);
+ isa_unregister_driver(&snd_wavefront_driver);
}

module_init(alsa_card_wavefront_init)