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authorSjur Brændeland <sjur.brandeland@stericsson.com>2013-02-21 21:15:36 +0400
committerOhad Ben-Cohen <ohad@wizery.com>2013-04-05 09:50:07 +0400
commit232fcdbb450000850bef8ff7e022cde2b4053f67 (patch)
tree4ba1fb64407df834785bc948b7dfaa7d4ae98b34 /drivers
parente4b51414813faf5cdc89e373b2e44cdbead09459 (diff)
downloadlinux-232fcdbb450000850bef8ff7e022cde2b4053f67.tar.xz
remoteproc: code cleanup of resource parsing
Combine the almost identical functions rproc_handle_virtio_rsc and rproc_handle_boot_rsc. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Acked-by: Ido Yariv <ido@wizery.com> [small terminology and style changes] Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/remoteproc/remoteproc_core.c52
1 files changed, 12 insertions, 40 deletions
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 29387df4bfc9..b8228c628b0c 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -673,16 +673,21 @@ free_carv:
* A lookup table for resource handlers. The indices are defined in
* enum fw_resource_type.
*/
-static rproc_handle_resource_t rproc_handle_rsc[] = {
+static rproc_handle_resource_t rproc_loading_handlers[RSC_LAST] = {
[RSC_CARVEOUT] = (rproc_handle_resource_t)rproc_handle_carveout,
[RSC_DEVMEM] = (rproc_handle_resource_t)rproc_handle_devmem,
[RSC_TRACE] = (rproc_handle_resource_t)rproc_handle_trace,
[RSC_VDEV] = NULL, /* VDEVs were handled upon registrarion */
};
+static rproc_handle_resource_t rproc_vdev_handler[RSC_LAST] = {
+ [RSC_VDEV] = (rproc_handle_resource_t)rproc_handle_vdev,
+};
+
/* handle firmware resource entries before booting the remote processor */
-static int
-rproc_handle_boot_rsc(struct rproc *rproc, struct resource_table *table, int len)
+static int rproc_handle_resources(struct rproc *rproc,
+ struct resource_table *table, int len,
+ rproc_handle_resource_t handlers[RSC_LAST])
{
struct device *dev = &rproc->dev;
rproc_handle_resource_t handler;
@@ -707,7 +712,7 @@ rproc_handle_boot_rsc(struct rproc *rproc, struct resource_table *table, int len
continue;
}
- handler = rproc_handle_rsc[hdr->type];
+ handler = handlers[hdr->type];
if (!handler)
continue;
@@ -719,40 +724,6 @@ rproc_handle_boot_rsc(struct rproc *rproc, struct resource_table *table, int len
return ret;
}
-/* handle firmware resource entries while registering the remote processor */
-static int
-rproc_handle_virtio_rsc(struct rproc *rproc, struct resource_table *table, int len)
-{
- struct device *dev = &rproc->dev;
- int ret = 0, i;
-
- for (i = 0; i < table->num; i++) {
- int offset = table->offset[i];
- struct fw_rsc_hdr *hdr = (void *)table + offset;
- int avail = len - offset - sizeof(*hdr);
- struct fw_rsc_vdev *vrsc;
-
- /* make sure table isn't truncated */
- if (avail < 0) {
- dev_err(dev, "rsc table is truncated\n");
- return -EINVAL;
- }
-
- dev_dbg(dev, "%s: rsc type %d\n", __func__, hdr->type);
-
- if (hdr->type != RSC_VDEV)
- continue;
-
- vrsc = (struct fw_rsc_vdev *)hdr->data;
-
- ret = rproc_handle_vdev(rproc, vrsc, avail);
- if (ret)
- break;
- }
-
- return ret;
-}
-
/**
* rproc_resource_cleanup() - clean up and free all acquired resources
* @rproc: rproc handle
@@ -832,7 +803,8 @@ static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw)
}
/* handle fw resources which are required to boot rproc */
- ret = rproc_handle_boot_rsc(rproc, table, tablesz);
+ ret = rproc_handle_resources(rproc, table, tablesz,
+ rproc_loading_handlers);
if (ret) {
dev_err(dev, "Failed to process resources: %d\n", ret);
goto clean_up;
@@ -887,7 +859,7 @@ static void rproc_fw_config_virtio(const struct firmware *fw, void *context)
goto out;
/* look for virtio devices and register them */
- ret = rproc_handle_virtio_rsc(rproc, table, tablesz);
+ ret = rproc_handle_resources(rproc, table, tablesz, rproc_vdev_handler);
if (ret)
goto out;