[PATCH] iommu: Convert to using %pOF instead of full_name

From: Rob Herring
Date: Tue Jul 18 2017 - 17:55:16 EST


Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.

Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: Heiko Stuebner <heiko@xxxxxxxxx>
Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-rockchip@xxxxxxxxxxxxxxxxxxx
---
drivers/iommu/fsl_pamu.c | 20 ++++++++------------
drivers/iommu/fsl_pamu_domain.c | 10 ++++------
drivers/iommu/of_iommu.c | 3 +--
drivers/iommu/rockchip-iommu.c | 10 +++++-----
4 files changed, 18 insertions(+), 25 deletions(-)

diff --git a/drivers/iommu/fsl_pamu.c b/drivers/iommu/fsl_pamu.c
index a34355fca37a..919ad9045ac4 100644
--- a/drivers/iommu/fsl_pamu.c
+++ b/drivers/iommu/fsl_pamu.c
@@ -530,8 +530,8 @@ u32 get_stash_id(u32 stash_dest_hint, u32 vcpu)
if (node) {
prop = of_get_property(node, "cache-stash-id", NULL);
if (!prop) {
- pr_debug("missing cache-stash-id at %s\n",
- node->full_name);
+ pr_debug("missing cache-stash-id at %pOF\n",
+ node);
of_node_put(node);
return ~(u32)0;
}
@@ -557,8 +557,8 @@ u32 get_stash_id(u32 stash_dest_hint, u32 vcpu)
if (stash_dest_hint == cache_level) {
prop = of_get_property(node, "cache-stash-id", NULL);
if (!prop) {
- pr_debug("missing cache-stash-id at %s\n",
- node->full_name);
+ pr_debug("missing cache-stash-id at %pOF\n",
+ node);
of_node_put(node);
return ~(u32)0;
}
@@ -568,8 +568,7 @@ u32 get_stash_id(u32 stash_dest_hint, u32 vcpu)

prop = of_get_property(node, "next-level-cache", NULL);
if (!prop) {
- pr_debug("can't find next-level-cache at %s\n",
- node->full_name);
+ pr_debug("can't find next-level-cache at %pOF\n", node);
of_node_put(node);
return ~(u32)0; /* can't traverse any further */
}
@@ -1063,8 +1062,7 @@ static int fsl_pamu_probe(struct platform_device *pdev)

guts_node = of_find_matching_node(NULL, guts_device_ids);
if (!guts_node) {
- dev_err(dev, "could not find GUTS node %s\n",
- dev->of_node->full_name);
+ dev_err(dev, "could not find GUTS node %pOF\n", dev->of_node);
ret = -ENODEV;
goto error;
}
@@ -1246,8 +1244,7 @@ static __init int fsl_pamu_init(void)

pdev = platform_device_alloc("fsl-of-pamu", 0);
if (!pdev) {
- pr_err("could not allocate device %s\n",
- np->full_name);
+ pr_err("could not allocate device %pOF\n", np);
ret = -ENOMEM;
goto error_device_alloc;
}
@@ -1259,8 +1256,7 @@ static __init int fsl_pamu_init(void)

ret = platform_device_add(pdev);
if (ret) {
- pr_err("could not add device %s (err=%i)\n",
- np->full_name, ret);
+ pr_err("could not add device %pOF (err=%i)\n", np, ret);
goto error_device_add;
}

diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c
index da0e1e30ef37..01c73479345d 100644
--- a/drivers/iommu/fsl_pamu_domain.c
+++ b/drivers/iommu/fsl_pamu_domain.c
@@ -619,8 +619,8 @@ static int handle_attach_device(struct fsl_dma_domain *dma_domain,
for (i = 0; i < num; i++) {
/* Ensure that LIODN value is valid */
if (liodn[i] >= PAACE_NUMBER_ENTRIES) {
- pr_debug("Invalid liodn %d, attach device failed for %s\n",
- liodn[i], dev->of_node->full_name);
+ pr_debug("Invalid liodn %d, attach device failed for %pOF\n",
+ liodn[i], dev->of_node);
ret = -EINVAL;
break;
}
@@ -684,8 +684,7 @@ static int fsl_pamu_attach_device(struct iommu_domain *domain,
liodn_cnt = len / sizeof(u32);
ret = handle_attach_device(dma_domain, dev, liodn, liodn_cnt);
} else {
- pr_debug("missing fsl,liodn property at %s\n",
- dev->of_node->full_name);
+ pr_debug("missing fsl,liodn property at %pOF\n", dev->of_node);
ret = -EINVAL;
}

@@ -720,8 +719,7 @@ static void fsl_pamu_detach_device(struct iommu_domain *domain,
if (prop)
detach_device(dev, dma_domain);
else
- pr_debug("missing fsl,liodn property at %s\n",
- dev->of_node->full_name);
+ pr_debug("missing fsl,liodn property at %pOF\n", dev->of_node);
}

static int configure_domain_geometry(struct iommu_domain *domain, void *data)
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 8cb60829a7a1..fe91b35ddf7f 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -255,8 +255,7 @@ static int __init of_iommu_init(void)
const of_iommu_init_fn init_fn = match->data;

if (init_fn && init_fn(np))
- pr_err("Failed to initialise IOMMU %s\n",
- of_node_full_name(np));
+ pr_err("Failed to initialise IOMMU %pOF\n", np);
}

return 0;
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 4ba48a26b389..1b8155dada26 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1008,20 +1008,20 @@ static int rk_iommu_group_set_iommudata(struct iommu_group *group,
ret = of_parse_phandle_with_args(np, "iommus", "#iommu-cells", 0,
&args);
if (ret) {
- dev_err(dev, "of_parse_phandle_with_args(%s) => %d\n",
- np->full_name, ret);
+ dev_err(dev, "of_parse_phandle_with_args(%pOF) => %d\n",
+ np, ret);
return ret;
}
if (args.args_count != 0) {
- dev_err(dev, "incorrect number of iommu params found for %s (found %d, expected 0)\n",
- args.np->full_name, args.args_count);
+ dev_err(dev, "incorrect number of iommu params found for %pOF (found %d, expected 0)\n",
+ args.np, args.args_count);
return -EINVAL;
}

pd = of_find_device_by_node(args.np);
of_node_put(args.np);
if (!pd) {
- dev_err(dev, "iommu %s not found\n", args.np->full_name);
+ dev_err(dev, "iommu %pOF not found\n", args.np);
return -EPROBE_DEFER;
}

--
2.11.0