diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-23 15:57:04 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-23 15:57:04 -0800 |
commit | b2e3c4319d40c9055c3c587cdb82ba69b50e919d (patch) | |
tree | 223bc161e96a5d39752dc056fed8d412c291e72a /drivers/soc/samsung/pm_domains.c | |
parent | c61c15e08abb4365f100e411604b57a03ee5ae90 (diff) | |
parent | db27dd05b1da6e658494a2570680f8d0ddbc578c (diff) |
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Driver updates for ARM SoCs.
A handful of driver changes this time around. The larger changes are:
- Reset drivers for hi3660 and zx2967
- AHCI driver for Davinci, acked by Tejun and brought in here due to
platform dependencies
- Cleanups of atmel-ebi (External Bus Interface)
- Tweaks for Rockchip GRF (General Register File) usage (kitchensink
misc register range on the SoCs)
- PM domains changes for support of two new ZTE SoCs (zx296718 and
zx2967)"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
soc: samsung: pmu: Add register defines for pad retention control
reset: make zx2967 explicitly non-modular
reset: core: fix reset_control_put
soc: samsung: pm_domains: Read domain name from the new label property
soc: samsung: pm_domains: Remove message about failed memory allocation
soc: samsung: pm_domains: Remove unused name field
soc: samsung: pm_domains: Use full names in subdomains registration log
sata: ahci-da850: un-hardcode the MPY bits
sata: ahci-da850: add a workaround for controller instability
sata: ahci: export ahci_do_hardreset() locally
sata: ahci-da850: implement a workaround for the softreset quirk
sata: ahci-da850: add device tree match table
sata: ahci-da850: get the sata clock using a connection id
soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
memory: atmel-ebi: Enable the SMC clock if specified
soc: samsung: pmu: Remove unused and duplicated defines
memory: atmel-ebi: Properly handle multiple reference to the same CS
memory: atmel-ebi: Fix the test to enable generic SMC logic
soc: samsung: pm_domains: Add new Exynos5433 compatible
soc: samsung: pmu: Add dummy support for Exynos5433 SoC
...
Diffstat (limited to 'drivers/soc/samsung/pm_domains.c')
-rw-r--r-- | drivers/soc/samsung/pm_domains.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/soc/samsung/pm_domains.c b/drivers/soc/samsung/pm_domains.c index 7112004b8032..a6a5d807cc2b 100644 --- a/drivers/soc/samsung/pm_domains.c +++ b/drivers/soc/samsung/pm_domains.c @@ -35,7 +35,6 @@ struct exynos_pm_domain_config { */ struct exynos_pm_domain { void __iomem *base; - char const *name; bool is_off; struct generic_pm_domain pd; struct clk *oscclk; @@ -70,7 +69,7 @@ static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on) pd->pclk[i] = clk_get_parent(pd->clk[i]); if (clk_set_parent(pd->clk[i], pd->oscclk)) pr_err("%s: error setting oscclk as parent to clock %d\n", - pd->name, i); + domain->name, i); } } @@ -101,7 +100,7 @@ static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on) continue; /* Skip on first power up */ if (clk_set_parent(pd->clk[i], pd->pclk[i])) pr_err("%s: error setting parent to clock%d\n", - pd->name, i); + domain->name, i); } } @@ -128,14 +127,30 @@ static const struct exynos_pm_domain_config exynos4210_cfg __initconst = { .local_pwr_cfg = 0x7, }; +static const struct exynos_pm_domain_config exynos5433_cfg __initconst = { + .local_pwr_cfg = 0xf, +}; + static const struct of_device_id exynos_pm_domain_of_match[] __initconst = { { .compatible = "samsung,exynos4210-pd", .data = &exynos4210_cfg, + }, { + .compatible = "samsung,exynos5433-pd", + .data = &exynos5433_cfg, }, { }, }; +static __init const char *exynos_get_domain_name(struct device_node *node) +{ + const char *name; + + if (of_property_read_string(node, "label", &name) < 0) + name = strrchr(node->full_name, '/') + 1; + return kstrdup_const(name, GFP_KERNEL); +} + static __init int exynos4_pm_init_power_domain(void) { struct device_node *np; @@ -150,20 +165,16 @@ static __init int exynos4_pm_init_power_domain(void) pd = kzalloc(sizeof(*pd), GFP_KERNEL); if (!pd) { - pr_err("%s: failed to allocate memory for domain\n", - __func__); of_node_put(np); return -ENOMEM; } - pd->pd.name = kstrdup_const(strrchr(np->full_name, '/') + 1, - GFP_KERNEL); + pd->pd.name = exynos_get_domain_name(np); if (!pd->pd.name) { kfree(pd); of_node_put(np); return -ENOMEM; } - pd->name = pd->pd.name; pd->base = of_iomap(np, 0); if (!pd->base) { pr_warn("%s: failed to map memory\n", __func__); @@ -227,10 +238,10 @@ no_clk: if (of_genpd_add_subdomain(&parent, &child)) pr_warn("%s failed to add subdomain: %s\n", - parent.np->name, child.np->name); + parent.np->full_name, child.np->full_name); else pr_info("%s has as child subdomain: %s.\n", - parent.np->name, child.np->name); + parent.np->full_name, child.np->full_name); } return 0; |