diff options
Diffstat (limited to 'drivers/soc/tegra/fuse/fuse-tegra30.c')
| -rw-r--r-- | drivers/soc/tegra/fuse/fuse-tegra30.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c index c1aa7815bd6e..b071d433d74f 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra30.c +++ b/drivers/soc/tegra/fuse/fuse-tegra30.c @@ -12,6 +12,7 @@ #include <linux/of_device.h> #include <linux/of_address.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/random.h> #include <soc/tegra/fuse.h> @@ -52,15 +53,13 @@ static u32 tegra30_fuse_read(struct tegra_fuse *fuse, unsigned int offset) u32 value; int err; - err = clk_prepare_enable(fuse->clk); - if (err < 0) { - dev_err(fuse->dev, "failed to enable FUSE clock: %d\n", err); + err = pm_runtime_resume_and_get(fuse->dev); + if (err) return 0; - } value = readl_relaxed(fuse->base + FUSE_BEGIN + offset); - clk_disable_unprepare(fuse->clk); + pm_runtime_put(fuse->dev); return value; } @@ -113,6 +112,7 @@ const struct tegra_fuse_soc tegra30_fuse_soc = { .speedo_init = tegra30_init_speedo_data, .info = &tegra30_fuse_info, .soc_attr_group = &tegra_soc_attr_group, + .clk_suspend_on = false, }; #endif @@ -128,6 +128,7 @@ const struct tegra_fuse_soc tegra114_fuse_soc = { .speedo_init = tegra114_init_speedo_data, .info = &tegra114_fuse_info, .soc_attr_group = &tegra_soc_attr_group, + .clk_suspend_on = false, }; #endif @@ -209,6 +210,7 @@ const struct tegra_fuse_soc tegra124_fuse_soc = { .lookups = tegra124_fuse_lookups, .num_lookups = ARRAY_SIZE(tegra124_fuse_lookups), .soc_attr_group = &tegra_soc_attr_group, + .clk_suspend_on = true, }; #endif @@ -295,6 +297,7 @@ const struct tegra_fuse_soc tegra210_fuse_soc = { .lookups = tegra210_fuse_lookups, .num_lookups = ARRAY_SIZE(tegra210_fuse_lookups), .soc_attr_group = &tegra_soc_attr_group, + .clk_suspend_on = false, }; #endif @@ -325,6 +328,7 @@ const struct tegra_fuse_soc tegra186_fuse_soc = { .lookups = tegra186_fuse_lookups, .num_lookups = ARRAY_SIZE(tegra186_fuse_lookups), .soc_attr_group = &tegra_soc_attr_group, + .clk_suspend_on = false, }; #endif @@ -355,6 +359,7 @@ const struct tegra_fuse_soc tegra194_fuse_soc = { .lookups = tegra194_fuse_lookups, .num_lookups = ARRAY_SIZE(tegra194_fuse_lookups), .soc_attr_group = &tegra194_soc_attr_group, + .clk_suspend_on = false, }; #endif @@ -385,5 +390,6 @@ const struct tegra_fuse_soc tegra234_fuse_soc = { .lookups = tegra234_fuse_lookups, .num_lookups = ARRAY_SIZE(tegra234_fuse_lookups), .soc_attr_group = &tegra194_soc_attr_group, + .clk_suspend_on = false, }; #endif |