2010-03-21 23:08:42

by Dominik Brodowski

[permalink] [raw]
Subject: [RFC PATCH 10/19] pcmcia: dev_node removal (drivers with updated printk call)

As a second step, remove any usage of dev_node_t from drivers which
only wrote to this typedef/struct, except one printk() which can
easily be replaced by a dev_info()/dev_warn() call.

CC: Harald Welte <[email protected]>
CC: [email protected]
CC: Karsten Keil <[email protected]>
CC: [email protected]
CC: [email protected]
CC: [email protected]
Signed-off-by: Dominik Brodowski <[email protected]>
---
drivers/char/pcmcia/cm4000_cs.c | 9 +-----
drivers/char/pcmcia/synclink_cs.c | 10 +-----
drivers/ide/ide-cs.c | 12 ++-----
drivers/isdn/hardware/avm/avm_cs.c | 60 +++---------------------------------
drivers/isdn/hisax/elsa_cs.c | 27 +---------------
drivers/isdn/hisax/sedlbauer_cs.c | 37 +---------------------
drivers/isdn/hisax/teles_cs.c | 37 +---------------------
drivers/net/wireless/airo_cs.c | 47 +---------------------------
drivers/usb/host/sl811_cs.c | 10 +-----
9 files changed, 22 insertions(+), 227 deletions(-)

diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index c9bc896..251faa1 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -106,7 +106,6 @@ static int major; /* major number we get from the kernel */

struct cm4000_dev {
struct pcmcia_device *p_dev;
- dev_node_t node; /* OS node (major,minor) */

unsigned char atr[MAX_ATR];
unsigned char rbuf[512];
@@ -884,8 +883,7 @@ static void monitor_card(unsigned long p)
/* slow down warning, but prompt immediately after insertion */
if (dev->cwarn == 0 || dev->cwarn == 10) {
set_bit(IS_BAD_CARD, &dev->flags);
- printk(KERN_WARNING MODULE_NAME ": device %s: ",
- dev->node.dev_name);
+ dev_warn(&dev->p_dev->dev, MODULE_NAME ": ");
if (test_bit(IS_BAD_CSUM, &dev->flags)) {
DEBUGP(4, dev, "ATR checksum (0x%.2x, should "
"be zero) failed\n", dev->atr_csum);
@@ -1779,11 +1777,6 @@ static int cm4000_config(struct pcmcia_device * link, int devno)
goto cs_release;

dev = link->priv;
- sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno);
- dev->node.major = major;
- dev->node.minor = devno;
- dev->node.next = NULL;
- link->dev_node = &dev->node;

return 0;

diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 027690b..308903e 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -220,7 +220,6 @@ typedef struct _mgslpc_info {

/* PCMCIA support */
struct pcmcia_device *p_dev;
- dev_node_t node;
int stop;

/* SPPP/Cisco HDLC device parts */
@@ -614,13 +613,8 @@ static int mgslpc_config(struct pcmcia_device *link)
info->io_base = link->io.BasePort1;
info->irq_level = link->irq;

- /* add to linked list of devices */
- sprintf(info->node.dev_name, "mgslpc0");
- info->node.major = info->node.minor = 0;
- link->dev_node = &info->node;
-
- printk(KERN_INFO "%s: index 0x%02x:",
- info->node.dev_name, link->conf.ConfigIndex);
+ dev_info(&link->dev, "index 0x%02x:",
+ link->conf.ConfigIndex);
if (link->conf.Attributes & CONF_ENABLE_IRQ)
printk(", irq %d", link->irq);
if (link->io.NumPorts1)
diff --git a/drivers/ide/ide-cs.c b/drivers/ide/ide-cs.c
index afd1ab7..e3152b1 100644
--- a/drivers/ide/ide-cs.c
+++ b/drivers/ide/ide-cs.c
@@ -65,8 +65,7 @@ MODULE_LICENSE("Dual MPL/GPL");
typedef struct ide_info_t {
struct pcmcia_device *p_dev;
struct ide_host *host;
- int ndev;
- dev_node_t node;
+ int ndev;
} ide_info_t;

static void ide_release(struct pcmcia_device *);
@@ -308,13 +307,10 @@ static int ide_config(struct pcmcia_device *link)
goto failed;

info->ndev = 1;
- sprintf(info->node.dev_name, "hd%c", 'a' + host->ports[0]->index * 2);
- info->node.major = host->ports[0]->major;
- info->node.minor = 0;
info->host = host;
- link->dev_node = &info->node;
- printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n",
- info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10);
+ dev_info(&link->dev, "ide-cs: hd%c: Vpp = %d.%d\n",
+ 'a' + host->ports[0]->index * 2,
+ link->conf.Vpp / 10, link->conf.Vpp % 10);

kfree(stk);
return 0;
diff --git a/drivers/isdn/hardware/avm/avm_cs.c b/drivers/isdn/hardware/avm/avm_cs.c
index 0d485f6..8bbc452 100644
--- a/drivers/isdn/hardware/avm/avm_cs.c
+++ b/drivers/isdn/hardware/avm/avm_cs.c
@@ -61,31 +61,6 @@ static void avmcs_release(struct pcmcia_device *link);

static void avmcs_detach(struct pcmcia_device *p_dev);

-/*
- A linked list of "instances" of the skeleton device. Each actual
- PCMCIA card corresponds to one device instance, and is described
- by one struct pcmcia_device structure (defined in ds.h).
-
- You may not want to use a linked list for this -- for example, the
- memory card driver uses an array of struct pcmcia_device pointers, where minor
- device numbers are used to derive the corresponding array index.
-*/
-
-/*
- A driver needs to provide a dev_node_t structure for each device
- on a card. In some cases, there is only one device per card (for
- example, ethernet cards, modems). In other cases, there may be
- many actual or logical devices (SCSI adapters, memory cards with
- multiple partitions). The dev_node_t structures need to be kept
- in a linked list starting at the 'dev' field of a struct pcmcia_device
- structure. We allocate them in the card's private data structure,
- because they generally can't be allocated dynamically.
-*/
-
-typedef struct local_info_t {
- dev_node_t node;
-} local_info_t;
-
/*======================================================================

avmcs_attach() creates an "instance" of the driver, allocating
@@ -100,7 +75,6 @@ typedef struct local_info_t {

static int avmcs_probe(struct pcmcia_device *p_dev)
{
- local_info_t *local;

/* The io structure describes IO port mapping */
p_dev->io.NumPorts1 = 16;
@@ -113,16 +87,7 @@ static int avmcs_probe(struct pcmcia_device *p_dev)
p_dev->conf.ConfigIndex = 1;
p_dev->conf.Present = PRESENT_OPTION;

- /* Allocate space for private device-specific data */
- local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
- if (!local)
- goto err;
- p_dev->priv = local;
-
return avmcs_config(p_dev);
-
- err:
- return -ENOMEM;
} /* avmcs_attach */

/*======================================================================
@@ -137,7 +102,6 @@ static int avmcs_probe(struct pcmcia_device *p_dev)
static void avmcs_detach(struct pcmcia_device *link)
{
avmcs_release(link);
- kfree(link->priv);
} /* avmcs_detach */

/*======================================================================
@@ -168,14 +132,11 @@ static int avmcs_configcheck(struct pcmcia_device *p_dev,

static int avmcs_config(struct pcmcia_device *link)
{
- local_info_t *dev;
int i = -1;
char devname[128];
int cardtype;
int (*addcard)(unsigned int port, unsigned irq);

- dev = link->priv;
-
devname[0] = 0;
if (link->prod_id[1])
strlcpy(devname, link->prod_id[1], sizeof(devname));
@@ -204,15 +165,11 @@ static int avmcs_config(struct pcmcia_device *link)

} while (0);

- /* At this point, the dev_node_t structure(s) should be
- initialized and arranged in a linked list at link->dev. */
-
if (devname[0]) {
char *s = strrchr(devname, ' ');
if (!s)
s = devname;
else s++;
- strcpy(dev->node.dev_name, s);
if (strcmp("M1", s) == 0) {
cardtype = AVM_CARDTYPE_M1;
} else if (strcmp("M2", s) == 0) {
@@ -220,14 +177,8 @@ static int avmcs_config(struct pcmcia_device *link)
} else {
cardtype = AVM_CARDTYPE_B1;
}
- } else {
- strcpy(dev->node.dev_name, "b1");
+ } else
cardtype = AVM_CARDTYPE_B1;
- }
-
- dev->node.major = 64;
- dev->node.minor = 0;
- link->dev_node = &dev->node;

/* If any step failed, release any partially configured state */
if (i != 0) {
@@ -243,12 +194,11 @@ static int avmcs_config(struct pcmcia_device *link)
case AVM_CARDTYPE_B1: addcard = b1pcmcia_addcard_b1; break;
}
if ((i = (*addcard)(link->io.BasePort1, link->irq)) < 0) {
- printk(KERN_ERR "avm_cs: failed to add AVM-%s-Controller at i/o %#x, irq %d\n",
- dev->node.dev_name, link->io.BasePort1, link->irq);
- avmcs_release(link);
- return -ENODEV;
+ dev_err(&link->dev, "avm_cs: failed to add AVM-Controller at i/o %#x, irq %d\n",
+ link->io.BasePort1, link->irq);
+ avmcs_release(link);
+ return -ENODEV;
}
- dev->node.minor = i;
return 0;

} /* avmcs_config */
diff --git a/drivers/isdn/hisax/elsa_cs.c b/drivers/isdn/hisax/elsa_cs.c
index 242c434..04de232 100644
--- a/drivers/isdn/hisax/elsa_cs.c
+++ b/drivers/isdn/hisax/elsa_cs.c
@@ -87,24 +87,8 @@ static void elsa_cs_release(struct pcmcia_device *link);

static void elsa_cs_detach(struct pcmcia_device *p_dev);

-/*
- A driver needs to provide a dev_node_t structure for each device
- on a card. In some cases, there is only one device per card (for
- example, ethernet cards, modems). In other cases, there may be
- many actual or logical devices (SCSI adapters, memory cards with
- multiple partitions). The dev_node_t structures need to be kept
- in a linked list starting at the 'dev' field of a struct pcmcia_device
- structure. We allocate them in the card's private data structure,
- because they generally shouldn't be allocated dynamically.
- In this case, we also provide a flag to indicate if a device is
- "stopped" due to a power management event, or card ejection. The
- device IO routines can use a flag like this to throttle IO to a
- card that is not ready to accept it.
-*/
-
typedef struct local_info_t {
struct pcmcia_device *p_dev;
- dev_node_t node;
int busy;
int cardnr;
} local_info_t;
@@ -226,16 +210,9 @@ static int elsa_cs_config(struct pcmcia_device *link)
if (i != 0)
goto failed;

- /* At this point, the dev_node_t structure(s) should be
- initialized and arranged in a linked list at link->dev. *//* */
- sprintf(dev->node.dev_name, "elsa");
- dev->node.major = dev->node.minor = 0x0;
-
- link->dev_node = &dev->node;
-
/* Finally, report what we've done */
- printk(KERN_INFO "%s: index 0x%02x: ",
- dev->node.dev_name, link->conf.ConfigIndex);
+ dev_info(&link->dev, "index 0x%02x: ",
+ link->conf.ConfigIndex);
if (link->conf.Attributes & CONF_ENABLE_IRQ)
printk(", irq %d", link->irq);
if (link->io.NumPorts1)
diff --git a/drivers/isdn/hisax/sedlbauer_cs.c b/drivers/isdn/hisax/sedlbauer_cs.c
index 967371b..a9ace20 100644
--- a/drivers/isdn/hisax/sedlbauer_cs.c
+++ b/drivers/isdn/hisax/sedlbauer_cs.c
@@ -87,32 +87,8 @@ static void sedlbauer_release(struct pcmcia_device *link);

static void sedlbauer_detach(struct pcmcia_device *p_dev);

-/*
- You'll also need to prototype all the functions that will actually
- be used to talk to your device. See 'memory_cs' for a good example
- of a fully self-sufficient driver; the other drivers rely more or
- less on other parts of the kernel.
-*/
-
-/*
- A driver needs to provide a dev_node_t structure for each device
- on a card. In some cases, there is only one device per card (for
- example, ethernet cards, modems). In other cases, there may be
- many actual or logical devices (SCSI adapters, memory cards with
- multiple partitions). The dev_node_t structures need to be kept
- in a linked list starting at the 'dev' field of a struct pcmcia_device
- structure. We allocate them in the card's private data structure,
- because they generally shouldn't be allocated dynamically.
-
- In this case, we also provide a flag to indicate if a device is
- "stopped" due to a power management event, or card ejection. The
- device IO routines can use a flag like this to throttle IO to a
- card that is not ready to accept it.
-*/
-
typedef struct local_info_t {
struct pcmcia_device *p_dev;
- dev_node_t node;
int stop;
int cardnr;
} local_info_t;
@@ -279,7 +255,6 @@ static int sedlbauer_config_check(struct pcmcia_device *p_dev,

static int sedlbauer_config(struct pcmcia_device *link)
{
- local_info_t *dev = link->priv;
win_req_t *req;
int ret;
IsdnCard_t icard;
@@ -315,17 +290,9 @@ static int sedlbauer_config(struct pcmcia_device *link)
if (ret)
goto failed;

- /*
- At this point, the dev_node_t structure(s) need to be
- initialized and arranged in a linked list at link->dev.
- */
- sprintf(dev->node.dev_name, "sedlbauer");
- dev->node.major = dev->node.minor = 0;
- link->dev_node = &dev->node;
-
/* Finally, report what we've done */
- printk(KERN_INFO "%s: index 0x%02x:",
- dev->node.dev_name, link->conf.ConfigIndex);
+ dev_info(&link->dev, "index 0x%02x:",
+ link->conf.ConfigIndex);
if (link->conf.Vpp)
printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10);
if (link->conf.Attributes & CONF_ENABLE_IRQ)
diff --git a/drivers/isdn/hisax/teles_cs.c b/drivers/isdn/hisax/teles_cs.c
index 75e075c..87ca96c 100644
--- a/drivers/isdn/hisax/teles_cs.c
+++ b/drivers/isdn/hisax/teles_cs.c
@@ -68,34 +68,8 @@ static void teles_cs_release(struct pcmcia_device *link);

static void teles_detach(struct pcmcia_device *p_dev);

-/*
- A linked list of "instances" of the teles_cs device. Each actual
- PCMCIA card corresponds to one device instance, and is described
- by one struct pcmcia_device structure (defined in ds.h).
-
- You may not want to use a linked list for this -- for example, the
- memory card driver uses an array of struct pcmcia_device pointers, where minor
- device numbers are used to derive the corresponding array index.
-*/
-
-/*
- A driver needs to provide a dev_node_t structure for each device
- on a card. In some cases, there is only one device per card (for
- example, ethernet cards, modems). In other cases, there may be
- many actual or logical devices (SCSI adapters, memory cards with
- multiple partitions). The dev_node_t structures need to be kept
- in a linked list starting at the 'dev' field of a struct pcmcia_device
- structure. We allocate them in the card's private data structure,
- because they generally shouldn't be allocated dynamically.
- In this case, we also provide a flag to indicate if a device is
- "stopped" due to a power management event, or card ejection. The
- device IO routines can use a flag like this to throttle IO to a
- card that is not ready to accept it.
-*/
-
typedef struct local_info_t {
struct pcmcia_device *p_dev;
- dev_node_t node;
int busy;
int cardnr;
} local_info_t;
@@ -216,16 +190,9 @@ static int teles_cs_config(struct pcmcia_device *link)
if (i != 0)
goto cs_failed;

- /* At this point, the dev_node_t structure(s) should be
- initialized and arranged in a linked list at link->dev. *//* */
- sprintf(dev->node.dev_name, "teles");
- dev->node.major = dev->node.minor = 0x0;
-
- link->dev_node = &dev->node;
-
/* Finally, report what we've done */
- printk(KERN_INFO "%s: index 0x%02x:",
- dev->node.dev_name, link->conf.ConfigIndex);
+ dev_info(&link->dev, "index 0x%02x:",
+ link->conf.ConfigIndex);
if (link->conf.Attributes & CONF_ENABLE_IRQ)
printk(", irq %d", link->irq);
if (link->io.NumPorts1)
diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c
index 7867c51..33bdc6a 100644
--- a/drivers/net/wireless/airo_cs.c
+++ b/drivers/net/wireless/airo_cs.c
@@ -75,42 +75,7 @@ static void airo_release(struct pcmcia_device *link);

static void airo_detach(struct pcmcia_device *p_dev);

-/*
- You'll also need to prototype all the functions that will actually
- be used to talk to your device. See 'pcmem_cs' for a good example
- of a fully self-sufficient driver; the other drivers rely more or
- less on other parts of the kernel.
-*/
-
-/*
- A linked list of "instances" of the aironet device. Each actual
- PCMCIA card corresponds to one device instance, and is described
- by one struct pcmcia_device structure (defined in ds.h).
-
- You may not want to use a linked list for this -- for example, the
- memory card driver uses an array of struct pcmcia_device pointers,
- where minor device numbers are used to derive the corresponding
- array index.
-*/
-
-/*
- A driver needs to provide a dev_node_t structure for each device
- on a card. In some cases, there is only one device per card (for
- example, ethernet cards, modems). In other cases, there may be
- many actual or logical devices (SCSI adapters, memory cards with
- multiple partitions). The dev_node_t structures need to be kept
- in a linked list starting at the 'dev' field of a struct pcmcia_device
- structure. We allocate them in the card's private data structure,
- because they generally shouldn't be allocated dynamically.
-
- In this case, we also provide a flag to indicate if a device is
- "stopped" due to a power management event, or card ejection. The
- device IO routines can use a flag like this to throttle IO to a
- card that is not ready to accept it.
-*/
-
typedef struct local_info_t {
- dev_node_t node;
struct net_device *eth_dev;
} local_info_t;

@@ -311,17 +276,9 @@ static int airo_config(struct pcmcia_device *link)
if (!((local_info_t *)link->priv)->eth_dev)
goto failed;

- /*
- At this point, the dev_node_t structure(s) need to be
- initialized and arranged in a linked list at link->dev_node.
- */
- strcpy(dev->node.dev_name, ((local_info_t *)link->priv)->eth_dev->name);
- dev->node.major = dev->node.minor = 0;
- link->dev_node = &dev->node;
-
/* Finally, report what we've done */
- printk(KERN_INFO "%s: index 0x%02x: ",
- dev->node.dev_name, link->conf.ConfigIndex);
+ dev_info(&link->dev, "index 0x%02x: ",
+ link->conf.ConfigIndex);
if (link->conf.Vpp)
printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10);
printk(", irq %d", link->irq);
diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c
index a712788..58cb73c 100644
--- a/drivers/usb/host/sl811_cs.c
+++ b/drivers/usb/host/sl811_cs.c
@@ -47,7 +47,6 @@ static const char driver_name[DEV_NAME_LEN] = "sl811_cs";

typedef struct local_info_t {
struct pcmcia_device *p_dev;
- dev_node_t node;
} local_info_t;

static void sl811_cs_release(struct pcmcia_device * link);
@@ -185,7 +184,6 @@ static int sl811_cs_config_check(struct pcmcia_device *p_dev,
static int sl811_cs_config(struct pcmcia_device *link)
{
struct device *parent = &link->dev;
- local_info_t *dev = link->priv;
int ret;

dev_dbg(&link->dev, "sl811_cs_config\n");
@@ -204,12 +202,8 @@ static int sl811_cs_config(struct pcmcia_device *link)
if (ret)
goto failed;

- sprintf(dev->node.dev_name, driver_name);
- dev->node.major = dev->node.minor = 0;
- link->dev_node = &dev->node;
-
- printk(KERN_INFO "%s: index 0x%02x: ",
- dev->node.dev_name, link->conf.ConfigIndex);
+ dev_info(&link->dev, "index 0x%02x: ",
+ link->conf.ConfigIndex);
if (link->conf.Vpp)
printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10);
printk(", irq %d", link->irq);
--
1.6.3.3



2010-03-22 05:22:50

by Karsten Keil

[permalink] [raw]
Subject: Re: [RFC PATCH 10/19] pcmcia: dev_node removal (drivers with updated printk call)

On Montag, 22. M?rz 2010 00:07:28 Dominik Brodowski wrote:
> As a second step, remove any usage of dev_node_t from drivers which
> only wrote to this typedef/struct, except one printk() which can
> easily be replaced by a dev_info()/dev_warn() call.
>
> CC: Harald Welte <[email protected]>
> CC: [email protected]
> CC: Karsten Keil <[email protected]>
> CC: [email protected]
> CC: [email protected]
> CC: [email protected]
> Signed-off-by: Dominik Brodowski <[email protected]>

Acked-by: Karsten Keil <[email protected]>

Thanks.