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Date: Thu, 27 Sep 2012 12:37:35 +0200
From: Samuel Iglesias Gonsalvez <siglesias@...lia.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
industrypack-devel@...ts.sourceforge.net,
Jens Taprogge <jens.taprogge@...rogge.org>,
Samuel Iglesias Gonsalvez <siglesias@...lia.com>
Subject: [PATCH 11/17] Staging: ipack: remove memory mapping callbacks.
From: Jens Taprogge <jens.taprogge@...rogge.org>
Now that we have the infrastructure to use the regular function in place
and all existing users are converted, remove the map and unmap callbacks
from the ipack_bus_device->ops.
Signed-off-by: Jens Taprogge <jens.taprogge@...rogge.org>
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@...lia.com>
---
drivers/staging/ipack/bridges/tpci200.c | 200 +------------------------------
drivers/staging/ipack/bridges/tpci200.h | 4 -
drivers/staging/ipack/ipack.h | 17 ---
3 files changed, 1 insertion(+), 220 deletions(-)
diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c
index 8428e3b..901f657 100644
--- a/drivers/staging/ipack/bridges/tpci200.c
+++ b/drivers/staging/ipack/bridges/tpci200.c
@@ -87,8 +87,6 @@ static void tpci200_set_mask(struct tpci200_board *tpci200,
static void tpci200_unregister(struct tpci200_board *tpci200)
{
- int i;
-
free_irq(tpci200->info->pdev->irq, (void *) tpci200);
pci_iounmap(tpci200->info->pdev, tpci200->info->interface_regs);
@@ -101,17 +99,6 @@ static void tpci200_unregister(struct tpci200_board *tpci200)
pci_disable_device(tpci200->info->pdev);
pci_dev_put(tpci200->info->pdev);
-
- for (i = 0; i < TPCI200_NB_SLOT; i++) {
- tpci200->slots[i].io_phys.start = 0;
- tpci200->slots[i].io_phys.size = 0;
- tpci200->slots[i].id_phys.start = 0;
- tpci200->slots[i].id_phys.size = 0;
- tpci200->slots[i].int_phys.start = 0;
- tpci200->slots[i].int_phys.size = 0;
- tpci200->slots[i].mem_phys.start = 0;
- tpci200->slots[i].mem_phys.size = 0;
- }
}
static void tpci200_enable_irq(struct tpci200_board *tpci200,
@@ -323,31 +310,8 @@ static int tpci200_register(struct tpci200_board *tpci200)
* clock rate 8 MHz
*/
slot_ctrl = 0;
-
- /* Set all slot physical address space */
- for (i = 0; i < TPCI200_NB_SLOT; i++) {
- tpci200->slots[i].io_phys.start =
- tpci200->mod_mem[IPACK_IO_SPACE]
- + TPCI200_IO_SPACE_INTERVAL * i;
- tpci200->slots[i].io_phys.size = TPCI200_IO_SPACE_SIZE;
-
- tpci200->slots[i].id_phys.start =
- tpci200->mod_mem[IPACK_ID_SPACE]
- + TPCI200_ID_SPACE_INTERVAL * i;
- tpci200->slots[i].id_phys.size = TPCI200_ID_SPACE_SIZE;
-
- tpci200->slots[i].int_phys.start =
- tpci200->mod_mem[IPACK_INT_SPACE]
- + TPCI200_INT_SPACE_INTERVAL * i;
- tpci200->slots[i].int_phys.size = TPCI200_INT_SPACE_SIZE;
-
- tpci200->slots[i].mem_phys.start =
- tpci200->mod_mem[IPACK_MEM_SPACE]
- + TPCI200_MEM8_SPACE_INTERVAL * i;
- tpci200->slots[i].mem_phys.size = TPCI200_MEM8_SPACE_SIZE;
-
+ for (i = 0; i < TPCI200_NB_SLOT; i++)
writew(slot_ctrl, &tpci200->info->interface_regs->control[i]);
- }
res = request_irq(tpci200->info->pdev->irq,
tpci200_interrupt, IRQF_SHARED,
@@ -371,166 +335,6 @@ out_disable_pci:
return res;
}
-static int tpci200_slot_unmap_space(struct ipack_device *dev, int space)
-{
- struct ipack_addr_space *virt_addr_space;
- struct tpci200_board *tpci200;
-
- tpci200 = check_slot(dev);
- if (tpci200 == NULL)
- return -EINVAL;
-
- if (mutex_lock_interruptible(&tpci200->mutex))
- return -ERESTARTSYS;
-
- switch (space) {
- case IPACK_IO_SPACE:
- if (dev->io_space.address == NULL) {
- dev_info(&dev->dev,
- "Slot [%d:%d] IO space not mapped !\n",
- dev->bus->bus_nr, dev->slot);
- goto out_unlock;
- }
- virt_addr_space = &dev->io_space;
- break;
- case IPACK_ID_SPACE:
- if (dev->id_space.address == NULL) {
- dev_info(&dev->dev,
- "Slot [%d:%d] ID space not mapped !\n",
- dev->bus->bus_nr, dev->slot);
- goto out_unlock;
- }
- virt_addr_space = &dev->id_space;
- break;
- case IPACK_INT_SPACE:
- if (dev->int_space.address == NULL) {
- dev_info(&dev->dev,
- "Slot [%d:%d] INT space not mapped !\n",
- dev->bus->bus_nr, dev->slot);
- goto out_unlock;
- }
- virt_addr_space = &dev->int_space;
- break;
- case IPACK_MEM_SPACE:
- if (dev->mem_space.address == NULL) {
- dev_info(&dev->dev,
- "Slot [%d:%d] MEM space not mapped !\n",
- dev->bus->bus_nr, dev->slot);
- goto out_unlock;
- }
- virt_addr_space = &dev->mem_space;
- break;
- default:
- dev_err(&dev->dev,
- "Slot [%d:%d] space number %d doesn't exist !\n",
- dev->bus->bus_nr, dev->slot, space);
- mutex_unlock(&tpci200->mutex);
- return -EINVAL;
- }
-
- iounmap(virt_addr_space->address);
-
- virt_addr_space->address = NULL;
- virt_addr_space->size = 0;
-out_unlock:
- mutex_unlock(&tpci200->mutex);
- return 0;
-}
-
-static int tpci200_slot_map_space(struct ipack_device *dev,
- ssize_t memory_size, int space)
-{
- int res = 0;
- size_t size_to_map;
- phys_addr_t phys_address;
- struct ipack_addr_space *virt_addr_space;
- struct tpci200_board *tpci200;
-
- tpci200 = check_slot(dev);
- if (tpci200 == NULL)
- return -EINVAL;
-
- if (mutex_lock_interruptible(&tpci200->mutex))
- return -ERESTARTSYS;
-
- switch (space) {
- case IPACK_IO_SPACE:
- if (dev->io_space.address != NULL) {
- dev_err(&dev->dev,
- "Slot [%d:%d] IO space already mapped !\n",
- tpci200->number, dev->slot);
- res = -EINVAL;
- goto out_unlock;
- }
- virt_addr_space = &dev->io_space;
-
- phys_address = tpci200->slots[dev->slot].io_phys.start;
- size_to_map = tpci200->slots[dev->slot].io_phys.size;
- break;
- case IPACK_ID_SPACE:
- if (dev->id_space.address != NULL) {
- dev_err(&dev->dev,
- "Slot [%d:%d] ID space already mapped !\n",
- tpci200->number, dev->slot);
- res = -EINVAL;
- goto out_unlock;
- }
- virt_addr_space = &dev->id_space;
-
- phys_address = tpci200->slots[dev->slot].id_phys.start;
- size_to_map = tpci200->slots[dev->slot].id_phys.size;
- break;
- case IPACK_INT_SPACE:
- if (dev->int_space.address != NULL) {
- dev_err(&dev->dev,
- "Slot [%d:%d] INT space already mapped !\n",
- tpci200->number, dev->slot);
- res = -EINVAL;
- goto out_unlock;
- }
- virt_addr_space = &dev->int_space;
-
- phys_address = tpci200->slots[dev->slot].int_phys.start;
- size_to_map = tpci200->slots[dev->slot].int_phys.size;
- break;
- case IPACK_MEM_SPACE:
- if (dev->mem_space.address != NULL) {
- dev_err(&dev->dev,
- "Slot [%d:%d] MEM space already mapped !\n",
- tpci200->number, dev->slot);
- res = -EINVAL;
- goto out_unlock;
- }
- virt_addr_space = &dev->mem_space;
-
- if (memory_size > tpci200->slots[dev->slot].mem_phys.size) {
- dev_err(&dev->dev,
- "Slot [%d:%d] request is 0x%zX memory, only 0x%zX available !\n",
- dev->bus->bus_nr, dev->slot, memory_size,
- tpci200->slots[dev->slot].mem_phys.size);
- res = -EINVAL;
- goto out_unlock;
- }
-
- phys_address = tpci200->slots[dev->slot].mem_phys.start;
- size_to_map = memory_size;
- break;
- default:
- dev_err(&dev->dev, "Slot [%d:%d] space %d doesn't exist !\n",
- tpci200->number, dev->slot, space);
- res = -EINVAL;
- goto out_unlock;
- }
-
- virt_addr_space->size = size_to_map;
- virt_addr_space->address =
- ioremap_nocache((unsigned long)phys_address, size_to_map);
-
-out_unlock:
- mutex_unlock(&tpci200->mutex);
- return res;
-}
-
static int tpci200_get_clockrate(struct ipack_device *dev)
{
struct tpci200_board *tpci200 = check_slot(dev);
@@ -618,8 +422,6 @@ static void tpci200_uninstall(struct tpci200_board *tpci200)
}
static const struct ipack_bus_ops tpci200_bus_ops = {
- .map_space = tpci200_slot_map_space,
- .unmap_space = tpci200_slot_unmap_space,
.request_irq = tpci200_request_irq,
.free_irq = tpci200_free_irq,
.get_clockrate = tpci200_get_clockrate,
diff --git a/drivers/staging/ipack/bridges/tpci200.h b/drivers/staging/ipack/bridges/tpci200.h
index fe8e97e..982f319 100644
--- a/drivers/staging/ipack/bridges/tpci200.h
+++ b/drivers/staging/ipack/bridges/tpci200.h
@@ -138,10 +138,6 @@ struct slot_irq {
*/
struct tpci200_slot {
struct slot_irq *irq;
- struct ipack_region io_phys;
- struct ipack_region id_phys;
- struct ipack_region int_phys;
- struct ipack_region mem_phys;
};
/**
diff --git a/drivers/staging/ipack/ipack.h b/drivers/staging/ipack/ipack.h
index 43d152a..af95028 100644
--- a/drivers/staging/ipack/ipack.h
+++ b/drivers/staging/ipack/ipack.h
@@ -42,17 +42,6 @@ enum ipack_space {
};
/**
- * struct ipack_addr_space - Virtual address space mapped for a specified type.
- *
- * @address: virtual address
- * @size: size of the mapped space
- */
-struct ipack_addr_space {
- void __iomem *address;
- unsigned int size;
-};
-
-/**
*/
struct ipack_region {
phys_addr_t start;
@@ -76,10 +65,6 @@ struct ipack_region {
struct ipack_device {
unsigned int slot;
struct ipack_bus_device *bus;
- struct ipack_addr_space id_space;
- struct ipack_addr_space io_space;
- struct ipack_addr_space int_space;
- struct ipack_addr_space mem_space;
struct device dev;
void (*release) (struct ipack_device *dev);
struct ipack_region region[IPACK_SPACE_COUNT];
@@ -135,8 +120,6 @@ struct ipack_driver {
* @reset_timeout: Resets the state returned by get_timeout.
*/
struct ipack_bus_ops {
- int (*map_space) (struct ipack_device *dev, ssize_t memory_size, int space);
- int (*unmap_space) (struct ipack_device *dev, int space);
int (*request_irq) (struct ipack_device *dev,
irqreturn_t (*handler)(void *), void *arg);
int (*free_irq) (struct ipack_device *dev);
--
1.7.10.4
--
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