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authorJens Taprogge <jens.taprogge@taprogge.org>2012-09-27 12:37:31 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-19 11:45:09 -0700
commita19ad7d08744bd3ea6efeccbcddcc4a992bc6ac9 (patch)
tree1483b19e7d85680e937f31a70154918244bda2e3 /drivers/staging/ipack
parent6114aeaa731a489420912faee758e6af363be595 (diff)
downloadop-kernel-dev-a19ad7d08744bd3ea6efeccbcddcc4a992bc6ac9.zip
op-kernel-dev-a19ad7d08744bd3ea6efeccbcddcc4a992bc6ac9.tar.gz
Staging: ipack: Provide physical memory regions to IPack devices.
This will allow us to use the regular ioremop functions. Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org> Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ipack')
-rw-r--r--drivers/staging/ipack/bridges/tpci200.c22
-rw-r--r--drivers/staging/ipack/ipack.h6
2 files changed, 26 insertions, 2 deletions
diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c
index 84e1c27..8428e3b 100644
--- a/drivers/staging/ipack/bridges/tpci200.c
+++ b/drivers/staging/ipack/bridges/tpci200.c
@@ -28,6 +28,20 @@ static const u16 tpci200_status_error[] = {
TPCI200_D_ERROR,
};
+static const size_t tpci200_space_size[IPACK_SPACE_COUNT] = {
+ [IPACK_IO_SPACE] = TPCI200_IO_SPACE_SIZE,
+ [IPACK_ID_SPACE] = TPCI200_ID_SPACE_SIZE,
+ [IPACK_INT_SPACE] = TPCI200_INT_SPACE_SIZE,
+ [IPACK_MEM_SPACE] = TPCI200_MEM8_SPACE_SIZE,
+};
+
+static const size_t tpci200_space_interval[IPACK_SPACE_COUNT] = {
+ [IPACK_IO_SPACE] = TPCI200_IO_SPACE_INTERVAL,
+ [IPACK_ID_SPACE] = TPCI200_ID_SPACE_INTERVAL,
+ [IPACK_INT_SPACE] = TPCI200_INT_SPACE_INTERVAL,
+ [IPACK_MEM_SPACE] = TPCI200_MEM8_SPACE_INTERVAL,
+};
+
static struct tpci200_board *check_slot(struct ipack_device *dev)
{
struct tpci200_board *tpci200;
@@ -642,6 +656,7 @@ static void tpci200_release_device(struct ipack_device *dev)
static int tpci200_create_device(struct tpci200_board *tpci200, int i)
{
+ enum ipack_space space;
struct ipack_device *dev =
kzalloc(sizeof(struct ipack_device), GFP_KERNEL);
if (!dev)
@@ -649,6 +664,13 @@ static int tpci200_create_device(struct tpci200_board *tpci200, int i)
dev->slot = i;
dev->bus = tpci200->info->ipack_bus;
dev->release = tpci200_release_device;
+
+ for (space = 0; space < IPACK_SPACE_COUNT; space++) {
+ dev->region[space].start =
+ tpci200->mod_mem[space]
+ + tpci200_space_interval[space] * i;
+ dev->region[space].size = tpci200_space_size[space];
+ }
return ipack_device_register(dev);
}
diff --git a/drivers/staging/ipack/ipack.h b/drivers/staging/ipack/ipack.h
index a842eea..43d152a 100644
--- a/drivers/staging/ipack/ipack.h
+++ b/drivers/staging/ipack/ipack.h
@@ -82,6 +82,7 @@ struct ipack_device {
struct ipack_addr_space mem_space;
struct device dev;
void (*release) (struct ipack_device *dev);
+ struct ipack_region region[IPACK_SPACE_COUNT];
u8 *id;
size_t id_avail;
u32 id_vendor;
@@ -195,8 +196,9 @@ void ipack_driver_unregister(struct ipack_driver *edrv);
*
* Register a new IPack device ("module" in IndustryPack jargon). The call
* is done by the carrier driver. The carrier should populate the fields
- * bus and slot of @dev prior to calling this function. The rest of the
- * fields will be allocated and populated during registration.
+ * bus and slot as well as the region array of @dev prior to calling this
+ * function. The rest of the fields will be allocated and populated
+ * during registration.
*
* Return zero on success or error code on failure.
*/
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