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Date: Wed, 23 May 2012 15:54:40 +0200
From: Samuel Iglesias Gonsalvez <siglesias@...lia.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Dan Carpenter <dan.carpenter@...cle.com>
Cc: Samuel Iglesias Gonsalvez <siglesias@...lia.com>,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/8] Staging ipack/bridges/tpci200: delete sysfs files
To perform the installation of a mezzanine it was needed to write on these
files, now it is not needed at all as the device model is properly implemented.
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@...lia.com>
---
drivers/staging/ipack/bridges/tpci200.c | 225 ++-----------------------------
1 file changed, 12 insertions(+), 213 deletions(-)
diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c
index ad28707..75ed600 100644
--- a/drivers/staging/ipack/bridges/tpci200.c
+++ b/drivers/staging/ipack/bridges/tpci200.c
@@ -365,207 +365,9 @@ static irqreturn_t tpci200_interrupt(int irq, void *dev_id)
return ret;
}
-#ifdef CONFIG_SYSFS
-
-static struct ipack_device *tpci200_slot_register(unsigned int tpci200_number,
- unsigned int slot_position)
-{
- int found = 0;
- struct ipack_device *dev;
- struct tpci200_board *tpci200;
-
- list_for_each_entry(tpci200, &tpci200_list, list) {
- if (tpci200->number == tpci200_number) {
- found = 1;
- break;
- }
- }
-
- if (!found) {
- pr_err("carrier board not found for the device\n");
- return NULL;
- }
-
- if (slot_position >= TPCI200_NB_SLOT) {
- pr_info("Slot [%d:%d] doesn't exist!\n", tpci200_number,
- slot_position);
- return NULL;
- }
-
- if (mutex_lock_interruptible(&tpci200->mutex))
- return NULL;
-
- if (tpci200->slots[slot_position].dev != NULL) {
- pr_err("Slot [%d:%d] already installed !\n", tpci200_number,
- slot_position);
- goto err_unlock;
- }
-
- /*
- * Give the same IRQ number as the slot number.
- * The TPCI200 has assigned his own two IRQ by PCI bus driver
- */
- dev = ipack_device_register(tpci200->info->ipack_bus,
- slot_position, slot_position);
- if (dev == NULL) {
- pr_info("Slot [%d:%d] Unable to register an ipack device\n",
- tpci200_number, slot_position);
- goto err_unlock;
- }
-
- tpci200->slots[slot_position].dev = dev;
- mutex_unlock(&tpci200->mutex);
- return dev;
-
-err_unlock:
- mutex_unlock(&tpci200->mutex);
- return NULL;
-}
-
-static ssize_t tpci200_store_board(struct device *pdev, const char *buf,
- size_t count, int slot)
-{
- struct tpci200_board *card = dev_get_drvdata(pdev);
- struct ipack_device *dev = card->slots[slot].dev;
-
- if (dev != NULL)
- return -EBUSY;
-
- dev = tpci200_slot_register(card->number, slot);
- if (dev == NULL)
- return -ENODEV;
-
- return count;
-}
-
-static ssize_t tpci200_show_board(struct device *pdev, char *buf, int slot)
-{
- struct tpci200_board *card = dev_get_drvdata(pdev);
- struct ipack_device *dev = card->slots[slot].dev;
-
- if (dev != NULL)
- return snprintf(buf, PAGE_SIZE, "%s\n", dev_name(&dev->dev));
- else
- return snprintf(buf, PAGE_SIZE, "none\n");
-}
-
-static ssize_t tpci200_show_description(struct device *pdev,
- struct device_attribute *attr,
- char *buf)
-{
- return snprintf(buf, PAGE_SIZE,
- "TEWS tpci200 carrier PCI for Industry-pack mezzanines.\n");
-}
-
-static ssize_t tpci200_show_board_slot0(struct device *pdev,
- struct device_attribute *attr,
- char *buf)
-{
- return tpci200_show_board(pdev, buf, 0);
-}
-
-static ssize_t tpci200_store_board_slot0(struct device *pdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- return tpci200_store_board(pdev, buf, count, 0);
-}
-
-static ssize_t tpci200_show_board_slot1(struct device *pdev,
- struct device_attribute *attr,
- char *buf)
-{
- return tpci200_show_board(pdev, buf, 1);
-}
-
-static ssize_t tpci200_store_board_slot1(struct device *pdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- return tpci200_store_board(pdev, buf, count, 1);
-}
-
-static ssize_t tpci200_show_board_slot2(struct device *pdev,
- struct device_attribute *attr,
- char *buf)
-{
- return tpci200_show_board(pdev, buf, 2);
-}
-
-static ssize_t tpci200_store_board_slot2(struct device *pdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- return tpci200_store_board(pdev, buf, count, 2);
-}
-
-
-static ssize_t tpci200_show_board_slot3(struct device *pdev,
- struct device_attribute *attr,
- char *buf)
-{
- return tpci200_show_board(pdev, buf, 3);
-}
-
-static ssize_t tpci200_store_board_slot3(struct device *pdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- return tpci200_store_board(pdev, buf, count, 3);
-}
-
-/* Declaration of the device attributes for the TPCI200 */
-static DEVICE_ATTR(description, S_IRUGO,
- tpci200_show_description, NULL);
-static DEVICE_ATTR(board_slot0, S_IRUGO | S_IWUSR,
- tpci200_show_board_slot0, tpci200_store_board_slot0);
-static DEVICE_ATTR(board_slot1, S_IRUGO | S_IWUSR,
- tpci200_show_board_slot1, tpci200_store_board_slot1);
-static DEVICE_ATTR(board_slot2, S_IRUGO | S_IWUSR,
- tpci200_show_board_slot2, tpci200_store_board_slot2);
-static DEVICE_ATTR(board_slot3, S_IRUGO | S_IWUSR,
- tpci200_show_board_slot3, tpci200_store_board_slot3);
-
-static struct attribute *tpci200_attrs[] = {
- &dev_attr_description.attr,
- &dev_attr_board_slot0.attr,
- &dev_attr_board_slot1.attr,
- &dev_attr_board_slot2.attr,
- &dev_attr_board_slot3.attr,
- NULL,
-};
-
-static struct attribute_group tpci200_attr_group = {
- .attrs = tpci200_attrs,
-};
-
-static int tpci200_create_sysfs_files(struct tpci200_board *card)
-{
- return sysfs_create_group(&card->info->pdev->dev.kobj,
- &tpci200_attr_group);
-}
-
-static void tpci200_remove_sysfs_files(struct tpci200_board *card)
-{
- sysfs_remove_group(&card->info->pdev->dev.kobj, &tpci200_attr_group);
-}
-
-#else
-
-static int tpci200_create_sysfs_files(struct tpci200_board *card)
-{
- return 0;
-}
-
-static void tpci200_remove_sysfs_files(struct tpci200_board *card)
-{
-}
-
-#endif /* CONFIG_SYSFS */
-
static int tpci200_register(struct tpci200_board *tpci200)
{
- int i;
+ int i;
int res;
unsigned long ioidint_base;
unsigned long mem_base;
@@ -574,12 +376,6 @@ static int tpci200_register(struct tpci200_board *tpci200)
if (pci_enable_device(tpci200->info->pdev) < 0)
return -ENODEV;
- if (tpci200_create_sysfs_files(tpci200) < 0) {
- pr_err("failed creating sysfs files\n");
- res = -EFAULT;
- goto out_disable_pci;
- }
-
/* Request IP interface register (Bar 2) */
res = pci_request_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR,
"Carrier IP interface registers");
@@ -587,7 +383,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
pr_err("(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 2 !",
tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn);
- goto out_remove_sysfs;
+ goto out_disable_pci;
}
/* Request IO ID INT space (Bar 3) */
@@ -668,8 +464,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
pr_err("(bn 0x%X, sn 0x%X) unable to register IRQ !",
tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn);
- tpci200_unregister(tpci200);
- goto out_err;
+ goto out_release_ioid_int_space;
}
return 0;
@@ -678,11 +473,8 @@ out_release_ioid_int_space:
pci_release_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
out_release_ip_space:
pci_release_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR);
-out_remove_sysfs:
- tpci200_remove_sysfs_files(tpci200);
out_disable_pci:
pci_disable_device(tpci200->info->pdev);
-out_err:
return res;
}
@@ -1038,7 +830,7 @@ out_err:
static int tpci200_pciprobe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
- int ret;
+ int ret, i;
struct tpci200_board *tpci200;
tpci200 = kzalloc(sizeof(struct tpci200_board), GFP_KERNEL);
@@ -1081,13 +873,20 @@ static int tpci200_pciprobe(struct pci_dev *pdev,
dev_set_drvdata(&pdev->dev, tpci200);
/* add the registered device in an internal linked list */
list_add_tail(&tpci200->list, &tpci200_list);
+
+ /*
+ * Give the same IRQ number as the slot number.
+ * The TPCI200 has assigned his own two IRQ by PCI bus driver
+ */
+ for (i = 0; i < TPCI200_NB_SLOT; i++)
+ tpci200->slots[i].dev =
+ ipack_device_register(tpci200->info->ipack_bus, i, i);
return ret;
}
static void __tpci200_pci_remove(struct tpci200_board *tpci200)
{
tpci200_uninstall(tpci200);
- tpci200_remove_sysfs_files(tpci200);
list_del(&tpci200->list);
ipack_bus_unregister(tpci200->info->ipack_bus);
kfree(tpci200->info);
--
1.7.10
--
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