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ALSA: DocBook: Remove the description of __dev* 

Remove obsoleted __devinit* and __devexit* from the example codes and
the descriptions, or modified the descriptions a bit to match with the
current situation.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-12-07 07:52:28 +01:00
parent 6a0f56a784
commit 090015aeef
1 changed files with 28 additions and 57 deletions
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85
Documentation/DocBook/writing-an-alsa-driver.tmpl
View File

@ -433,9 +433,9 @@
/* chip-specific constructor
* (see "Management of Cards and Components")
*/
static int __devinit snd_mychip_create(struct snd_card *card,
struct pci_dev *pci,
struct mychip **rchip)
static int snd_mychip_create(struct snd_card *card,
struct pci_dev *pci,
struct mychip **rchip)
{
struct mychip *chip;
int err;
@ -475,8 +475,8 @@
}
/* constructor -- see "Constructor" sub-section */
static int __devinit snd_mychip_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
static int snd_mychip_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
static int dev;
struct snd_card *card;
@ -526,7 +526,7 @@
}
/* destructor -- see the "Destructor" sub-section */
static void __devexit snd_mychip_remove(struct pci_dev *pci)
static void snd_mychip_remove(struct pci_dev *pci)
{
snd_card_free(pci_get_drvdata(pci));
pci_set_drvdata(pci, NULL);
@ -542,9 +542,8 @@
<para>
The real constructor of PCI drivers is the <function>probe</function> callback.
The <function>probe</function> callback and other component-constructors which are called
from the <function>probe</function> callback should be defined with
the <parameter>__devinit</parameter> prefix. You
cannot use the <parameter>__init</parameter> prefix for them,
from the <function>probe</function> callback cannot be used with
the <parameter>__init</parameter> prefix
because any PCI device could be a hotplug device.
</para>
@ -728,7 +727,7 @@
<informalexample>
<programlisting>
<![CDATA[
static void __devexit snd_mychip_remove(struct pci_dev *pci)
static void snd_mychip_remove(struct pci_dev *pci)
{
snd_card_free(pci_get_drvdata(pci));
pci_set_drvdata(pci, NULL);
@ -1058,14 +1057,6 @@
components are released automatically by this call.
</para>
<para>
As further notes, the destructors (both
<function>snd_mychip_dev_free</function> and
<function>snd_mychip_free</function>) cannot be defined with
the <parameter>__devexit</parameter> prefix, because they may be
called from the constructor, too, at the false path.
</para>
<para>
For a device which allows hotplugging, you can use
<function>snd_card_free_when_closed</function>. This one will
@ -1120,9 +1111,9 @@
}
/* chip-specific constructor */
static int __devinit snd_mychip_create(struct snd_card *card,
struct pci_dev *pci,
struct mychip **rchip)
static int snd_mychip_create(struct snd_card *card,
struct pci_dev *pci,
struct mychip **rchip)
{
struct mychip *chip;
int err;
@ -1200,7 +1191,7 @@
.name = KBUILD_MODNAME,
.id_table = snd_mychip_ids,
.probe = snd_mychip_probe,
.remove = __devexit_p(snd_mychip_remove),
.remove = snd_mychip_remove,
};
/* module initialization */
@ -1464,11 +1455,6 @@
</informalexample>
</para>
<para>
Again, remember that you cannot
use the <parameter>__devexit</parameter> prefix for this destructor.
</para>
<para>
We didn't implement the hardware disabling part in the above.
If you need to do this, please note that the destructor may be
@ -1619,7 +1605,7 @@
.name = KBUILD_MODNAME,
.id_table = snd_mychip_ids,
.probe = snd_mychip_probe,
.remove = __devexit_p(snd_mychip_remove),
.remove = snd_mychip_remove,
};
]]>
</programlisting>
@ -1630,11 +1616,7 @@
The <structfield>probe</structfield> and
<structfield>remove</structfield> functions have already
been defined in the previous sections.
The <structfield>remove</structfield> function should
be defined with the
<function>__devexit_p()</function> macro, so that it's not
defined for built-in (and non-hot-pluggable) case. The
<structfield>name</structfield>
The <structfield>name</structfield>
field is the name string of this device. Note that you must not
use a slash <quote>/</quote> in this string.
</para>
@ -1665,9 +1647,7 @@
<para>
Note that these module entries are tagged with
<parameter>__init</parameter> and
<parameter>__exit</parameter> prefixes, not
<parameter>__devinit</parameter> nor
<parameter>__devexit</parameter>.
<parameter>__exit</parameter> prefixes.
</para>
<para>
@ -1918,7 +1898,7 @@
*/
/* create a pcm device */
static int __devinit snd_mychip_new_pcm(struct mychip *chip)
static int snd_mychip_new_pcm(struct mychip *chip)
{
struct snd_pcm *pcm;
int err;
@ -1957,7 +1937,7 @@
<informalexample>
<programlisting>
<![CDATA[
static int __devinit snd_mychip_new_pcm(struct mychip *chip)
static int snd_mychip_new_pcm(struct mychip *chip)
{
struct snd_pcm *pcm;
int err;
@ -2124,7 +2104,7 @@
....
}
static int __devinit snd_mychip_new_pcm(struct mychip *chip)
static int snd_mychip_new_pcm(struct mychip *chip)
{
struct snd_pcm *pcm;
....
@ -3399,7 +3379,7 @@ struct _snd_pcm_runtime {
<title>Definition of a Control</title>
<programlisting>
<![CDATA[
static struct snd_kcontrol_new my_control __devinitdata = {
static struct snd_kcontrol_new my_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Switch",
.index = 0,
@ -3414,13 +3394,6 @@ struct _snd_pcm_runtime {
</example>
</para>
<para>
Most likely the control is created via
<function>snd_ctl_new1()</function>, and in such a case, you can
add the <parameter>__devinitdata</parameter> prefix to the
definition as above.
</para>
<para>
The <structfield>iface</structfield> field specifies the control
type, <constant>SNDRV_CTL_ELEM_IFACE_XXX</constant>, which
@ -3847,10 +3820,8 @@ struct _snd_pcm_runtime {
<para>
<function>snd_ctl_new1()</function> allocates a new
<structname>snd_kcontrol</structname> instance (that's why the definition
of <parameter>my_control</parameter> can be with
the <parameter>__devinitdata</parameter>
prefix), and <function>snd_ctl_add</function> assigns the given
<structname>snd_kcontrol</structname> instance,
and <function>snd_ctl_add</function> assigns the given
control component to the card.
</para>
</section>
@ -3896,7 +3867,7 @@ struct _snd_pcm_runtime {
<![CDATA[
static DECLARE_TLV_DB_SCALE(db_scale_my_control, -4050, 150, 0);
static struct snd_kcontrol_new my_control __devinitdata = {
static struct snd_kcontrol_new my_control = {
...
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ,
@ -5761,8 +5732,8 @@ struct _snd_pcm_runtime {
<informalexample>
<programlisting>
<![CDATA[
static int __devinit snd_mychip_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
static int snd_mychip_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
....
struct snd_card *card;
@ -5787,8 +5758,8 @@ struct _snd_pcm_runtime {
<informalexample>
<programlisting>
<![CDATA[
static int __devinit snd_mychip_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
static int snd_mychip_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
....
struct snd_card *card;
@ -5825,7 +5796,7 @@ struct _snd_pcm_runtime {
.name = KBUILD_MODNAME,
.id_table = snd_my_ids,
.probe = snd_my_probe,
.remove = __devexit_p(snd_my_remove),
.remove = snd_my_remove,
#ifdef CONFIG_PM
.suspend = snd_my_suspend,
.resume = snd_my_resume,