aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorTom Rini2019-04-13 08:27:35 -0400
committerTom Rini2019-04-13 08:27:35 -0400
commitcf5eebeb18f7790d5030eb94f51fca0ebcd6e406 (patch)
treef4c9c40f9353fbe4104875779c7eedd3ed2342cc /drivers
parent0a5228be868622894a5f8f226203cd7bac562187 (diff)
parent73c02e5e4fc1ef53d06289232edd6cc52e3d73f6 (diff)
Merge tag 'pull-12apr19' of git://git.denx.de/u-boot-dm
fdtdec tests and improvements for carve-outs pinctrl race-condition fix various other fixes in sandbox, sound, mkimage, etc.
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clk/altera/clk-arria10.c3
-rw-r--r--drivers/clk/at91/pmc.c2
-rw-r--r--drivers/core/ofnode.c21
-rw-r--r--drivers/core/syscon-uclass.c83
-rw-r--r--drivers/core/util.c40
-rw-r--r--drivers/pinctrl/pinctrl-uclass.c36
-rw-r--r--drivers/sysreset/sysreset_syscon.c15
7 files changed, 92 insertions, 108 deletions
diff --git a/drivers/clk/altera/clk-arria10.c b/drivers/clk/altera/clk-arria10.c
index 612a1718dcb..179869df45f 100644
--- a/drivers/clk/altera/clk-arria10.c
+++ b/drivers/clk/altera/clk-arria10.c
@@ -254,7 +254,8 @@ static int socfpga_a10_clk_bind(struct udevice *dev)
fdt_node_check_compatible(fdt, offset, "fixed-clock"))
continue;
- if (pre_reloc_only && !dm_fdt_pre_reloc(fdt, offset))
+ if (pre_reloc_only &&
+ !dm_ofnode_pre_reloc(offset_to_ofnode(offset)))
continue;
ret = device_bind_driver_to_node(dev, "clk-a10", name,
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index 7cfbabc96d3..6b55ec59d6d 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -61,7 +61,7 @@ int at91_clk_sub_device_bind(struct udevice *dev, const char *drv_name)
offset > 0;
offset = fdt_next_subnode(fdt, offset)) {
if (pre_reloc_only &&
- !dm_fdt_pre_reloc(fdt, offset))
+ !dm_ofnode_pre_reloc(offset_to_ofnode(offset)))
continue;
/*
* If this node has "compatible" property, this is not
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 0e584c12dc8..785f5c3acf7 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -254,14 +254,13 @@ int ofnode_read_size(ofnode node, const char *propname)
fdt_addr_t ofnode_get_addr_index(ofnode node, int index)
{
int na, ns;
- fdt_size_t size;
if (ofnode_is_np(node)) {
const __be32 *prop_val;
uint flags;
prop_val = of_get_address(ofnode_to_np(node), index,
- (u64 *)&size, &flags);
+ NULL, &flags);
if (!prop_val)
return FDT_ADDR_T_NONE;
@@ -278,7 +277,7 @@ fdt_addr_t ofnode_get_addr_index(ofnode node, int index)
ns = ofnode_read_simple_size_cells(ofnode_get_parent(node));
return fdtdec_get_addr_size_fixed(gd->fdt_blob,
ofnode_to_offset(node), "reg",
- index, na, ns, &size, true);
+ index, na, ns, NULL, true);
}
return FDT_ADDR_T_NONE;
@@ -700,18 +699,18 @@ int ofnode_read_simple_size_cells(ofnode node)
bool ofnode_pre_reloc(ofnode node)
{
+#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_TPL_BUILD)
+ /* for SPL and TPL the remaining nodes after the fdtgrep 1st pass
+ * had property dm-pre-reloc or u-boot,dm-spl/tpl.
+ * They are removed in final dtb (fdtgrep 2nd pass)
+ */
+ return true;
+#else
if (ofnode_read_bool(node, "u-boot,dm-pre-reloc"))
return true;
if (ofnode_read_bool(node, "u-boot,dm-pre-proper"))
return true;
-#ifdef CONFIG_TPL_BUILD
- if (ofnode_read_bool(node, "u-boot,dm-tpl"))
- return true;
-#elif defined(CONFIG_SPL_BUILD)
- if (ofnode_read_bool(node, "u-boot,dm-spl"))
- return true;
-#else
/*
* In regular builds individual spl and tpl handling both
* count as handled pre-relocation for later second init.
@@ -719,9 +718,9 @@ bool ofnode_pre_reloc(ofnode node)
if (ofnode_read_bool(node, "u-boot,dm-spl") ||
ofnode_read_bool(node, "u-boot,dm-tpl"))
return true;
-#endif
return false;
+#endif
}
int ofnode_read_resource(ofnode node, uint index, struct resource *res)
diff --git a/drivers/core/syscon-uclass.c b/drivers/core/syscon-uclass.c
index afac6d6e37e..5bb38e329cb 100644
--- a/drivers/core/syscon-uclass.c
+++ b/drivers/core/syscon-uclass.c
@@ -57,18 +57,64 @@ static int syscon_pre_probe(struct udevice *dev)
#endif
}
+static int syscon_probe_by_ofnode(ofnode node, struct udevice **devp)
+{
+ struct udevice *dev, *parent;
+ int ret;
+
+ /* found node with "syscon" compatible, not bounded to SYSCON UCLASS */
+ if (!ofnode_device_is_compatible(node, "syscon")) {
+ dev_dbg(dev, "invalid compatible for syscon device\n");
+ return -EINVAL;
+ }
+
+ /* bound to driver with same ofnode or to root if not found */
+ if (device_find_global_by_ofnode(node, &parent))
+ parent = dm_root();
+
+ /* force bound to syscon class */
+ ret = device_bind_driver_to_node(parent, "syscon",
+ ofnode_get_name(node),
+ node, &dev);
+ if (ret) {
+ dev_dbg(dev, "unable to bound syscon device\n");
+ return ret;
+ }
+ ret = device_probe(dev);
+ if (ret) {
+ dev_dbg(dev, "unable to probe syscon device\n");
+ return ret;
+ }
+
+ *devp = dev;
+ return 0;
+}
+
struct regmap *syscon_regmap_lookup_by_phandle(struct udevice *dev,
const char *name)
{
struct udevice *syscon;
struct regmap *r;
+ u32 phandle;
+ ofnode node;
int err;
err = uclass_get_device_by_phandle(UCLASS_SYSCON, dev,
name, &syscon);
if (err) {
- dev_dbg(dev, "unable to find syscon device\n");
- return ERR_PTR(err);
+ /* found node with "syscon" compatible, not bounded to SYSCON */
+ err = ofnode_read_u32(dev_ofnode(dev), name, &phandle);
+ if (err)
+ return ERR_PTR(err);
+
+ node = ofnode_get_by_phandle(phandle);
+ if (!ofnode_valid(node)) {
+ dev_dbg(dev, "unable to find syscon device\n");
+ return ERR_PTR(-EINVAL);
+ }
+ err = syscon_probe_by_ofnode(node, &syscon);
+ if (err)
+ return ERR_PTR(-ENODEV);
}
r = syscon_get_regmap(syscon);
@@ -152,29 +198,18 @@ U_BOOT_DRIVER(generic_syscon) = {
*/
struct regmap *syscon_node_to_regmap(ofnode node)
{
- struct udevice *dev, *parent;
- int ret;
-
- if (!uclass_get_device_by_ofnode(UCLASS_SYSCON, node, &dev))
- return syscon_get_regmap(dev);
-
- if (!ofnode_device_is_compatible(node, "syscon"))
- return ERR_PTR(-EINVAL);
+ struct udevice *dev;
+ struct regmap *r;
- /* bound to driver with same ofnode or to root if not found */
- if (device_find_global_by_ofnode(node, &parent))
- parent = dm_root();
+ if (uclass_get_device_by_ofnode(UCLASS_SYSCON, node, &dev))
+ if (syscon_probe_by_ofnode(node, &dev))
+ return ERR_PTR(-ENODEV);
- /* force bound to syscon class */
- ret = device_bind_driver_to_node(parent, "syscon",
- ofnode_get_name(node),
- node, &dev);
- if (ret)
- return ERR_PTR(ret);
-
- ret = device_probe(dev);
- if (ret)
- return ERR_PTR(ret);
+ r = syscon_get_regmap(dev);
+ if (!r) {
+ dev_dbg(dev, "unable to find regmap\n");
+ return ERR_PTR(-ENODEV);
+ }
- return syscon_get_regmap(dev);
+ return r;
}
diff --git a/drivers/core/util.c b/drivers/core/util.c
index 27a68487034..96e47dc7070 100644
--- a/drivers/core/util.c
+++ b/drivers/core/util.c
@@ -31,42 +31,18 @@ int list_count_items(struct list_head *head)
return count;
}
-bool dm_fdt_pre_reloc(const void *blob, int offset)
-{
- if (fdt_getprop(blob, offset, "u-boot,dm-pre-reloc", NULL))
- return true;
-
-#ifdef CONFIG_TPL_BUILD
- if (fdt_getprop(blob, offset, "u-boot,dm-tpl", NULL))
- return true;
-#elif defined(CONFIG_SPL_BUILD)
- if (fdt_getprop(blob, offset, "u-boot,dm-spl", NULL))
- return true;
-#else
- /*
- * In regular builds individual spl and tpl handling both
- * count as handled pre-relocation for later second init.
- */
- if (fdt_getprop(blob, offset, "u-boot,dm-spl", NULL) ||
- fdt_getprop(blob, offset, "u-boot,dm-tpl", NULL))
- return true;
-#endif
-
- return false;
-}
-
bool dm_ofnode_pre_reloc(ofnode node)
{
+#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_TPL_BUILD)
+ /* for SPL and TPL the remaining nodes after the fdtgrep 1st pass
+ * had property dm-pre-reloc or u-boot,dm-spl/tpl.
+ * They are removed in final dtb (fdtgrep 2nd pass)
+ */
+ return true;
+#else
if (ofnode_read_bool(node, "u-boot,dm-pre-reloc"))
return true;
-#ifdef CONFIG_TPL_BUILD
- if (ofnode_read_bool(node, "u-boot,dm-tpl"))
- return true;
-#elif defined(CONFIG_SPL_BUILD)
- if (ofnode_read_bool(node, "u-boot,dm-spl"))
- return true;
-#else
/*
* In regular builds individual spl and tpl handling both
* count as handled pre-relocation for later second init.
@@ -74,7 +50,7 @@ bool dm_ofnode_pre_reloc(ofnode node)
if (ofnode_read_bool(node, "u-boot,dm-spl") ||
ofnode_read_bool(node, "u-boot,dm-tpl"))
return true;
-#endif
return false;
+#endif
}
diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
index 0e3260afd1e..0e6c559d5ef 100644
--- a/drivers/pinctrl/pinctrl-uclass.c
+++ b/drivers/pinctrl/pinctrl-uclass.c
@@ -27,28 +27,6 @@ int pinctrl_decode_pin_config(const void *blob, int node)
return flags;
}
-/*
- * TODO: this function is temporary for v2019.01.
- * It should be renamed to pinctrl_decode_pin_config(),
- * the original pinctrl_decode_pin_config() function should
- * be removed and all callers of the original function should
- * be migrated to use the new one.
- */
-int pinctrl_decode_pin_config_dm(struct udevice *dev)
-{
- int pinconfig = 0;
-
- if (dev->uclass->uc_drv->id != UCLASS_PINCONFIG)
- return -EINVAL;
-
- if (dev_read_bool(dev, "bias-pull-up"))
- pinconfig |= 1 << PIN_CONFIG_BIAS_PULL_UP;
- else if (dev_read_bool(dev, "bias-pull-down"))
- pinconfig |= 1 << PIN_CONFIG_BIAS_PULL_DOWN;
-
- return pinconfig;
-}
-
#if CONFIG_IS_ENABLED(PINCTRL_FULL)
/**
* pinctrl_config_one() - apply pinctrl settings for a single node
@@ -149,6 +127,9 @@ static int pinconfig_post_bind(struct udevice *dev)
ofnode_get_property(node, "compatible", &ret);
if (ret >= 0)
continue;
+ /* If this node has "gpio-controller" property, skip */
+ if (ofnode_read_bool(node, "gpio-controller"))
+ continue;
if (ret != -FDT_ERR_NOTFOUND)
return ret;
@@ -201,11 +182,14 @@ static int pinctrl_select_state_simple(struct udevice *dev)
int ret;
/*
- * For simplicity, assume the first device of PINCTRL uclass
- * is the correct one. This is most likely OK as there is
- * usually only one pinctrl device on the system.
+ * For most system, there is only one pincontroller device. But in
+ * case of multiple pincontroller devices, probe the one with sequence
+ * number 0 (defined by alias) to avoid race condition.
*/
- ret = uclass_get_device(UCLASS_PINCTRL, 0, &pctldev);
+ ret = uclass_get_device_by_seq(UCLASS_PINCTRL, 0, &pctldev);
+ if (ret)
+ /* if not found, get the first one */
+ ret = uclass_get_device(UCLASS_PINCTRL, 0, &pctldev);
if (ret)
return ret;
diff --git a/drivers/sysreset/sysreset_syscon.c b/drivers/sysreset/sysreset_syscon.c
index 34506402ac3..3fb39b9952e 100644
--- a/drivers/sysreset/sysreset_syscon.c
+++ b/drivers/sysreset/sysreset_syscon.c
@@ -36,20 +36,9 @@ static struct sysreset_ops syscon_reboot_ops = {
int syscon_reboot_probe(struct udevice *dev)
{
struct syscon_reboot_priv *priv = dev_get_priv(dev);
- int err;
- u32 phandle;
- ofnode node;
- err = ofnode_read_u32(dev_ofnode(dev), "regmap", &phandle);
- if (err)
- return err;
-
- node = ofnode_get_by_phandle(phandle);
- if (!ofnode_valid(node))
- return -EINVAL;
-
- priv->regmap = syscon_node_to_regmap(node);
- if (!priv->regmap) {
+ priv->regmap = syscon_regmap_lookup_by_phandle(dev, "regmap");
+ if (IS_ERR(priv->regmap)) {
pr_err("unable to find regmap\n");
return -ENODEV;
}