The PRM and CM implicit clockdomains will soon be used by OMAP44xx. So, make them common to OMAP2+ and modify the OMAP4 clockdomains code so use of these clockdomains doesn't crash the system.
Signed-off-by: Paul Walmsley <[email protected]> Cc: Rajendra Nayak <[email protected]> --- arch/arm/mach-omap2/Makefile | 8 +++++-- arch/arm/mach-omap2/clockdomain44xx.c | 6 ++++++ arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c | 10 --------- arch/arm/mach-omap2/clockdomains44xx_data.c | 2 ++ arch/arm/mach-omap2/clockdomains_common_data.c | 24 ++++++++++++++++++++++ 5 files changed, 37 insertions(+), 13 deletions(-) create mode 100644 arch/arm/mach-omap2/clockdomains_common_data.c diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index bd76394..9b2f406 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -117,16 +117,18 @@ obj-$(CONFIG_ARCH_OMAP4) += $(powerdomain-common) \ powerdomains44xx_data.o # PRCM clockdomain control -obj-$(CONFIG_ARCH_OMAP2) += clockdomain.o \ +clockdomain-common += clockdomain.o \ + clockdomains_common_data.o +obj-$(CONFIG_ARCH_OMAP2) += $(clockdomain-common) \ clockdomain2xxx_3xxx.o \ clockdomains2xxx_3xxx_data.o obj-$(CONFIG_SOC_OMAP2420) += clockdomains2420_data.o obj-$(CONFIG_SOC_OMAP2430) += clockdomains2430_data.o -obj-$(CONFIG_ARCH_OMAP3) += clockdomain.o \ +obj-$(CONFIG_ARCH_OMAP3) += $(clockdomain-common) \ clockdomain2xxx_3xxx.o \ clockdomains2xxx_3xxx_data.o \ clockdomains3xxx_data.o -obj-$(CONFIG_ARCH_OMAP4) += clockdomain.o \ +obj-$(CONFIG_ARCH_OMAP4) += $(clockdomain-common) \ clockdomain44xx.o \ clockdomains44xx_data.o diff --git a/arch/arm/mach-omap2/clockdomain44xx.c b/arch/arm/mach-omap2/clockdomain44xx.c index 935c7f0..4f04dd1 100644 --- a/arch/arm/mach-omap2/clockdomain44xx.c +++ b/arch/arm/mach-omap2/clockdomain44xx.c @@ -51,6 +51,9 @@ static int omap4_clkdm_clear_all_wkup_sleep_deps(struct clockdomain *clkdm) struct clkdm_dep *cd; u32 mask = 0; + if (!clkdm->prcm_partition) + return 0; + for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) { if (!cd->clkdm) continue; /* only happens if data is erroneous */ @@ -103,6 +106,9 @@ static int omap4_clkdm_clk_disable(struct clockdomain *clkdm) { bool hwsup = false; + if (!clkdm->prcm_partition) + return 0; + hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition, clkdm->cm_inst, clkdm->clkdm_offs); diff --git a/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c b/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c index 0a6a048..839145e 100644 --- a/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c +++ b/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c @@ -89,13 +89,3 @@ struct clockdomain wkup_common_clkdm = { .pwrdm = { .name = "wkup_pwrdm" }, .dep_bit = OMAP_EN_WKUP_SHIFT, }; - -struct clockdomain prm_common_clkdm = { - .name = "prm_clkdm", - .pwrdm = { .name = "wkup_pwrdm" }, -}; - -struct clockdomain cm_common_clkdm = { - .name = "cm_clkdm", - .pwrdm = { .name = "core_pwrdm" }, -}; diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c index 9299ac2..dc42cd6 100644 --- a/arch/arm/mach-omap2/clockdomains44xx_data.c +++ b/arch/arm/mach-omap2/clockdomains44xx_data.c @@ -430,6 +430,8 @@ static struct clockdomain *clockdomains_omap44xx[] __initdata = { &l4_wkup_44xx_clkdm, &emu_sys_44xx_clkdm, &l3_dma_44xx_clkdm, + &prm_common_clkdm, + &cm_common_clkdm, NULL }; diff --git a/arch/arm/mach-omap2/clockdomains_common_data.c b/arch/arm/mach-omap2/clockdomains_common_data.c new file mode 100644 index 0000000..615b1f0 --- /dev/null +++ b/arch/arm/mach-omap2/clockdomains_common_data.c @@ -0,0 +1,24 @@ +/* + * OMAP2+-common clockdomain data + * + * Copyright (C) 2008-2012 Texas Instruments, Inc. + * Copyright (C) 2008-2010 Nokia Corporation + * + * Paul Walmsley, Jouni Högander + */ + +#include <linux/kernel.h> +#include <linux/io.h> + +#include "clockdomain.h" + +/* These are implicit clockdomains - they are never defined as such in TRM */ +struct clockdomain prm_common_clkdm = { + .name = "prm_clkdm", + .pwrdm = { .name = "wkup_pwrdm" }, +}; + +struct clockdomain cm_common_clkdm = { + .name = "cm_clkdm", + .pwrdm = { .name = "core_pwrdm" }, +}; -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
