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author | Olof Johansson <olof@lixom.net> | 2017-06-18 22:51:43 -0700 |
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committer | Olof Johansson <olof@lixom.net> | 2017-06-18 22:51:43 -0700 |
commit | a32e6a353dac8641dcdc25854d2c64134839c07f (patch) | |
tree | 4c66517773481f837a5418838a1e2a701e0f137c /drivers | |
parent | 8c5c25067044b7bcb2201e761483ef4cacc970d8 (diff) | |
parent | 980532a5dda319eeafadc5c590376626ad178f4f (diff) | |
download | linux-a32e6a353dac8641dcdc25854d2c64134839c07f.tar.bz2 |
Merge tag 'renesas-rcar-sysc-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Renesas ARM Based SoC R-Car SYSC Updates for v4.13
Use GENPD_FLAG_ALWAYS_ON in R-Car SYSC driver
* tag 'renesas-rcar-sysc-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: rcar-sysc: Use GENPD_FLAG_ALWAYS_ON
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/soc/renesas/rcar-sysc.c | 28 | ||||
-rw-r--r-- | drivers/soc/renesas/rcar-sysc.h | 2 |
2 files changed, 4 insertions, 26 deletions
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c index dcad5c42a5e8..7c8da3c90011 100644 --- a/drivers/soc/renesas/rcar-sysc.c +++ b/drivers/soc/renesas/rcar-sysc.c @@ -181,17 +181,6 @@ static int rcar_sysc_pd_power_off(struct generic_pm_domain *genpd) struct rcar_sysc_pd *pd = to_rcar_pd(genpd); pr_debug("%s: %s\n", __func__, genpd->name); - - if (pd->flags & PD_NO_CR) { - pr_debug("%s: Cannot control %s\n", __func__, genpd->name); - return -EBUSY; - } - - if (pd->flags & PD_BUSY) { - pr_debug("%s: %s busy\n", __func__, genpd->name); - return -EBUSY; - } - return rcar_sysc_power_down(&pd->ch); } @@ -200,12 +189,6 @@ static int rcar_sysc_pd_power_on(struct generic_pm_domain *genpd) struct rcar_sysc_pd *pd = to_rcar_pd(genpd); pr_debug("%s: %s\n", __func__, genpd->name); - - if (pd->flags & PD_NO_CR) { - pr_debug("%s: Cannot control %s\n", __func__, genpd->name); - return 0; - } - return rcar_sysc_power_up(&pd->ch); } @@ -223,8 +206,7 @@ static void __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd) * only be turned off if the CPU is not in use. */ pr_debug("PM domain %s contains %s\n", name, "CPU"); - pd->flags |= PD_BUSY; - gov = &pm_domain_always_on_gov; + genpd->flags |= GENPD_FLAG_ALWAYS_ON; } else if (pd->flags & PD_SCU) { /* * This domain contains an SCU and cache-controller, and @@ -232,19 +214,17 @@ static void __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd) * not in use. */ pr_debug("PM domain %s contains %s\n", name, "SCU"); - pd->flags |= PD_BUSY; - gov = &pm_domain_always_on_gov; + genpd->flags |= GENPD_FLAG_ALWAYS_ON; } else if (pd->flags & PD_NO_CR) { /* * This domain cannot be turned off. */ - pd->flags |= PD_BUSY; - gov = &pm_domain_always_on_gov; + genpd->flags |= GENPD_FLAG_ALWAYS_ON; } if (!(pd->flags & (PD_CPU | PD_SCU))) { /* Enable Clock Domain for I/O devices */ - genpd->flags = GENPD_FLAG_PM_CLK; + genpd->flags |= GENPD_FLAG_PM_CLK; if (has_cpg_mstp) { genpd->attach_dev = cpg_mstp_attach_dev; genpd->detach_dev = cpg_mstp_detach_dev; diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h index 07edb049a401..1a5bebaf54ba 100644 --- a/drivers/soc/renesas/rcar-sysc.h +++ b/drivers/soc/renesas/rcar-sysc.h @@ -20,8 +20,6 @@ #define PD_SCU BIT(1) /* Area contains SCU and L2 cache */ #define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */ -#define PD_BUSY BIT(3) /* Busy, for internal use only */ - #define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */ #define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */ #define PD_ALWAYS_ON PD_NO_CR /* Always-on area */ |