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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@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Samuel Iglesias Gonsalvez
Greg Kroah-Hartman
parent
7721d652c7
commit
862fe87a8b
@ -365,207 +365,9 @@ static irqreturn_t tpci200_interrupt(int irq, void *dev_id)
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return ret;
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}
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#ifdef CONFIG_SYSFS
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static struct ipack_device *tpci200_slot_register(unsigned int tpci200_number,
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unsigned int slot_position)
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{
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int found = 0;
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struct ipack_device *dev;
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struct tpci200_board *tpci200;
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list_for_each_entry(tpci200, &tpci200_list, list) {
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if (tpci200->number == tpci200_number) {
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found = 1;
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break;
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}
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}
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if (!found) {
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pr_err("carrier board not found for the device\n");
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return NULL;
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}
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if (slot_position >= TPCI200_NB_SLOT) {
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pr_info("Slot [%d:%d] doesn't exist!\n", tpci200_number,
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slot_position);
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return NULL;
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}
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if (mutex_lock_interruptible(&tpci200->mutex))
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return NULL;
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if (tpci200->slots[slot_position].dev != NULL) {
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pr_err("Slot [%d:%d] already installed !\n", tpci200_number,
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slot_position);
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goto err_unlock;
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}
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/*
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* Give the same IRQ number as the slot number.
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* The TPCI200 has assigned his own two IRQ by PCI bus driver
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*/
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dev = ipack_device_register(tpci200->info->ipack_bus,
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slot_position, slot_position);
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if (dev == NULL) {
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pr_info("Slot [%d:%d] Unable to register an ipack device\n",
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tpci200_number, slot_position);
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goto err_unlock;
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}
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tpci200->slots[slot_position].dev = dev;
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mutex_unlock(&tpci200->mutex);
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return dev;
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err_unlock:
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mutex_unlock(&tpci200->mutex);
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return NULL;
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}
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static ssize_t tpci200_store_board(struct device *pdev, const char *buf,
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size_t count, int slot)
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{
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struct tpci200_board *card = dev_get_drvdata(pdev);
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struct ipack_device *dev = card->slots[slot].dev;
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if (dev != NULL)
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return -EBUSY;
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dev = tpci200_slot_register(card->number, slot);
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if (dev == NULL)
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return -ENODEV;
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return count;
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}
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static ssize_t tpci200_show_board(struct device *pdev, char *buf, int slot)
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{
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struct tpci200_board *card = dev_get_drvdata(pdev);
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struct ipack_device *dev = card->slots[slot].dev;
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if (dev != NULL)
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return snprintf(buf, PAGE_SIZE, "%s\n", dev_name(&dev->dev));
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else
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return snprintf(buf, PAGE_SIZE, "none\n");
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}
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static ssize_t tpci200_show_description(struct device *pdev,
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struct device_attribute *attr,
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char *buf)
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{
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return snprintf(buf, PAGE_SIZE,
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"TEWS tpci200 carrier PCI for Industry-pack mezzanines.\n");
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}
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static ssize_t tpci200_show_board_slot0(struct device *pdev,
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struct device_attribute *attr,
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char *buf)
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{
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return tpci200_show_board(pdev, buf, 0);
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}
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static ssize_t tpci200_store_board_slot0(struct device *pdev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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return tpci200_store_board(pdev, buf, count, 0);
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}
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static ssize_t tpci200_show_board_slot1(struct device *pdev,
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struct device_attribute *attr,
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char *buf)
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{
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return tpci200_show_board(pdev, buf, 1);
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}
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static ssize_t tpci200_store_board_slot1(struct device *pdev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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return tpci200_store_board(pdev, buf, count, 1);
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}
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static ssize_t tpci200_show_board_slot2(struct device *pdev,
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struct device_attribute *attr,
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char *buf)
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{
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return tpci200_show_board(pdev, buf, 2);
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}
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static ssize_t tpci200_store_board_slot2(struct device *pdev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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return tpci200_store_board(pdev, buf, count, 2);
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}
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static ssize_t tpci200_show_board_slot3(struct device *pdev,
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struct device_attribute *attr,
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char *buf)
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{
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return tpci200_show_board(pdev, buf, 3);
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}
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static ssize_t tpci200_store_board_slot3(struct device *pdev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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return tpci200_store_board(pdev, buf, count, 3);
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}
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/* Declaration of the device attributes for the TPCI200 */
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static DEVICE_ATTR(description, S_IRUGO,
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tpci200_show_description, NULL);
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static DEVICE_ATTR(board_slot0, S_IRUGO | S_IWUSR,
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tpci200_show_board_slot0, tpci200_store_board_slot0);
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static DEVICE_ATTR(board_slot1, S_IRUGO | S_IWUSR,
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tpci200_show_board_slot1, tpci200_store_board_slot1);
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static DEVICE_ATTR(board_slot2, S_IRUGO | S_IWUSR,
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tpci200_show_board_slot2, tpci200_store_board_slot2);
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static DEVICE_ATTR(board_slot3, S_IRUGO | S_IWUSR,
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tpci200_show_board_slot3, tpci200_store_board_slot3);
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static struct attribute *tpci200_attrs[] = {
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&dev_attr_description.attr,
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&dev_attr_board_slot0.attr,
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&dev_attr_board_slot1.attr,
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&dev_attr_board_slot2.attr,
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&dev_attr_board_slot3.attr,
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NULL,
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};
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static struct attribute_group tpci200_attr_group = {
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.attrs = tpci200_attrs,
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};
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static int tpci200_create_sysfs_files(struct tpci200_board *card)
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{
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return sysfs_create_group(&card->info->pdev->dev.kobj,
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&tpci200_attr_group);
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}
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static void tpci200_remove_sysfs_files(struct tpci200_board *card)
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{
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sysfs_remove_group(&card->info->pdev->dev.kobj, &tpci200_attr_group);
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}
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#else
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static int tpci200_create_sysfs_files(struct tpci200_board *card)
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{
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return 0;
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}
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static void tpci200_remove_sysfs_files(struct tpci200_board *card)
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{
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}
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#endif /* CONFIG_SYSFS */
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static int tpci200_register(struct tpci200_board *tpci200)
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{
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int i;
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int i;
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int res;
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unsigned long ioidint_base;
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unsigned long mem_base;
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@ -574,12 +376,6 @@ static int tpci200_register(struct tpci200_board *tpci200)
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if (pci_enable_device(tpci200->info->pdev) < 0)
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return -ENODEV;
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if (tpci200_create_sysfs_files(tpci200) < 0) {
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pr_err("failed creating sysfs files\n");
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res = -EFAULT;
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goto out_disable_pci;
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}
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/* Request IP interface register (Bar 2) */
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res = pci_request_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR,
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"Carrier IP interface registers");
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@ -587,7 +383,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
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pr_err("(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 2 !",
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tpci200->info->pdev->bus->number,
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tpci200->info->pdev->devfn);
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goto out_remove_sysfs;
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goto out_disable_pci;
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}
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/* Request IO ID INT space (Bar 3) */
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@ -668,8 +464,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
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pr_err("(bn 0x%X, sn 0x%X) unable to register IRQ !",
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tpci200->info->pdev->bus->number,
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tpci200->info->pdev->devfn);
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tpci200_unregister(tpci200);
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goto out_err;
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goto out_release_ioid_int_space;
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}
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return 0;
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@ -678,11 +473,8 @@ static int tpci200_register(struct tpci200_board *tpci200)
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pci_release_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
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out_release_ip_space:
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pci_release_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR);
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out_remove_sysfs:
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tpci200_remove_sysfs_files(tpci200);
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out_disable_pci:
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pci_disable_device(tpci200->info->pdev);
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out_err:
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return res;
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}
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@ -1038,7 +830,7 @@ static int tpci200_install(struct tpci200_board *tpci200)
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static int tpci200_pciprobe(struct pci_dev *pdev,
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const struct pci_device_id *id)
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{
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int ret;
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int ret, i;
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struct tpci200_board *tpci200;
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tpci200 = kzalloc(sizeof(struct tpci200_board), GFP_KERNEL);
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@ -1081,13 +873,20 @@ static int tpci200_pciprobe(struct pci_dev *pdev,
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dev_set_drvdata(&pdev->dev, tpci200);
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/* add the registered device in an internal linked list */
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list_add_tail(&tpci200->list, &tpci200_list);
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/*
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* Give the same IRQ number as the slot number.
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* The TPCI200 has assigned his own two IRQ by PCI bus driver
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*/
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for (i = 0; i < TPCI200_NB_SLOT; i++)
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tpci200->slots[i].dev =
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ipack_device_register(tpci200->info->ipack_bus, i, i);
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return ret;
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}
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static void __tpci200_pci_remove(struct tpci200_board *tpci200)
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{
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tpci200_uninstall(tpci200);
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tpci200_remove_sysfs_files(tpci200);
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list_del(&tpci200->list);
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ipack_bus_unregister(tpci200->info->ipack_bus);
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kfree(tpci200->info);
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