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authorGeert Uytterhoeven <geert+renesas@glider.be>2015-09-08 19:06:03 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-09-09 02:18:25 +0200
commitf33b77408a91d4427374010897b90af678dc47be (patch)
treeb165d4f45576166b02f2fed84a2591190f04c8a1 /drivers/staging/board
parent30e7a65b3fdb53cc49f85c965095e40aceea3961 (diff)
downloadlinux-f33b77408a91d4427374010897b90af678dc47be.tar.bz2
staging: board: Migrate away from __pm_genpd_name_add_device()
The named genpd APIs are deprecated. Hence convert the board staging code from using genpd names to DT node paths. For now this supports PM domains with "#power-domain-cells = <0>" only. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/staging/board')
-rw-r--r--drivers/staging/board/armadillo800eva.c2
-rw-r--r--drivers/staging/board/board.c36
2 files changed, 36 insertions, 2 deletions
diff --git a/drivers/staging/board/armadillo800eva.c b/drivers/staging/board/armadillo800eva.c
index 81df77bd55cc..9c41652ee908 100644
--- a/drivers/staging/board/armadillo800eva.c
+++ b/drivers/staging/board/armadillo800eva.c
@@ -91,7 +91,7 @@ static const struct board_staging_dev armadillo800eva_devices[] __initconst = {
.pdev = &lcdc0_device,
.clocks = lcdc0_clocks,
.nclocks = ARRAY_SIZE(lcdc0_clocks),
- .domain = "a4lc",
+ .domain = "/system-controller@e6180000/pm-domains/c5/a4lc@1"
},
};
diff --git a/drivers/staging/board/board.c b/drivers/staging/board/board.c
index 29d456e29f38..3eb5eb8f069c 100644
--- a/drivers/staging/board/board.c
+++ b/drivers/staging/board/board.c
@@ -135,6 +135,40 @@ int __init board_staging_register_clock(const struct board_staging_clk *bsc)
return error;
}
+#ifdef CONFIG_PM_GENERIC_DOMAINS_OF
+static int board_staging_add_dev_domain(struct platform_device *pdev,
+ const char *domain)
+{
+ struct of_phandle_args pd_args;
+ struct generic_pm_domain *pd;
+ struct device_node *np;
+
+ np = of_find_node_by_path(domain);
+ if (!np) {
+ pr_err("Cannot find domain node %s\n", domain);
+ return -ENOENT;
+ }
+
+ pd_args.np = np;
+ pd_args.args_count = 0;
+ pd = of_genpd_get_from_provider(&pd_args);
+ if (IS_ERR(pd)) {
+ pr_err("Cannot find genpd %s (%ld)\n", domain, PTR_ERR(pd));
+ return PTR_ERR(pd);
+
+ }
+ pr_debug("Found genpd %s for device %s\n", pd->name, pdev->name);
+
+ return pm_genpd_add_device(pd, &pdev->dev);
+}
+#else
+static inline int board_staging_add_dev_domain(struct platform_device *pdev,
+ const char *domain)
+{
+ return 0;
+}
+#endif
+
int __init board_staging_register_device(const struct board_staging_dev *dev)
{
struct platform_device *pdev = dev->pdev;
@@ -161,7 +195,7 @@ int __init board_staging_register_device(const struct board_staging_dev *dev)
}
if (dev->domain)
- __pm_genpd_name_add_device(dev->domain, &pdev->dev, NULL);
+ board_staging_add_dev_domain(pdev, dev->domain);
return error;
}