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Message-ID: <55E5DE12.6070407@ti.com>
Date: Tue, 1 Sep 2015 22:49:14 +0530
From: Keerthy <a0393675@...com>
To: Keerthy <j-keerthy@...com>, <tony@...mide.com>
CC: <linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux@....linux.org.uk>
Subject: Re: [PATCH v2] ARM: OMAP: Change all cpu_is_* occurences to soc_is_*
On Wednesday 26 August 2015 09:29 AM, Keerthy wrote:
> Currently apart from dra7, omap5 and amx3 all the other SoCs
> are identified using cpu_is_* functions which is not right since
> they are all SoCs(System on Chips). Hence changing the SoC
> identification code to use soc_is instead of cpu_is and keeping
> defines for cpu_is where needed. This allows us to replace the
> rest of cpu_is usage along with other fixes as needed.
Tony,
A Gentle ping on this.
Regards,
Keerthy
>
> Acked-by: Russell King <rmk+kernel@....linux.org.uk>
> Signed-off-by: Keerthy <j-keerthy@...com>
> ---
>
> Changes in v2:
>
> * Corrected a typo in the commit log.
>
> arch/arm/mach-omap2/id.c | 30 +++----
> arch/arm/mach-omap2/soc.h | 193 ++++++++++++++++++++++++++--------------------
> 2 files changed, 123 insertions(+), 100 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
> index e3f713f..24f24d4 100644
> --- a/arch/arm/mach-omap2/id.c
> +++ b/arch/arm/mach-omap2/id.c
> @@ -57,15 +57,15 @@ int omap_type(void)
> if (val < OMAP2_DEVICETYPE_MASK)
> return val;
>
> - if (cpu_is_omap24xx()) {
> + if (soc_is_omap24xx()) {
> val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS);
> - } else if (cpu_is_ti81xx()) {
> + } else if (soc_is_ti81xx()) {
> val = omap_ctrl_readl(TI81XX_CONTROL_STATUS);
> } else if (soc_is_am33xx() || soc_is_am43xx()) {
> val = omap_ctrl_readl(AM33XX_CONTROL_STATUS);
> - } else if (cpu_is_omap34xx()) {
> + } else if (soc_is_omap34xx()) {
> val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS);
> - } else if (cpu_is_omap44xx()) {
> + } else if (soc_is_omap44xx()) {
> val = omap_ctrl_readl(OMAP4_CTRL_MODULE_CORE_STATUS);
> } else if (soc_is_omap54xx() || soc_is_dra7xx()) {
> val = omap_ctrl_readl(OMAP5XXX_CONTROL_STATUS);
> @@ -122,7 +122,7 @@ static u16 tap_prod_id;
>
> void omap_get_die_id(struct omap_die_id *odi)
> {
> - if (cpu_is_omap44xx() || soc_is_omap54xx() || soc_is_dra7xx()) {
> + if (soc_is_omap44xx() || soc_is_omap54xx() || soc_is_dra7xx()) {
> odi->id_0 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_0);
> odi->id_1 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_1);
> odi->id_2 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_2);
> @@ -218,17 +218,17 @@ static void __init omap3_cpuinfo(void)
> * on available features. Upon detection, update the CPU id
> * and CPU class bits.
> */
> - if (cpu_is_omap3630()) {
> + if (soc_is_omap3630()) {
> cpu_name = "OMAP3630";
> } else if (soc_is_am35xx()) {
> cpu_name = (omap3_has_sgx()) ? "AM3517" : "AM3505";
> - } else if (cpu_is_ti816x()) {
> + } else if (soc_is_ti816x()) {
> cpu_name = "TI816X";
> } else if (soc_is_am335x()) {
> cpu_name = "AM335X";
> } else if (soc_is_am437x()) {
> cpu_name = "AM437x";
> - } else if (cpu_is_ti814x()) {
> + } else if (soc_is_ti814x()) {
> cpu_name = "TI814X";
> } else if (omap3_has_iva() && omap3_has_sgx()) {
> /* OMAP3430, OMAP3525, OMAP3515, OMAP3503 devices */
> @@ -275,11 +275,11 @@ void __init omap3xxx_check_features(void)
> OMAP3_CHECK_FEATURE(status, SGX);
> OMAP3_CHECK_FEATURE(status, NEON);
> OMAP3_CHECK_FEATURE(status, ISP);
> - if (cpu_is_omap3630())
> + if (soc_is_omap3630())
> omap_features |= OMAP3_HAS_192MHZ_CLK;
> - if (cpu_is_omap3430() || cpu_is_omap3630())
> + if (soc_is_omap3430() || soc_is_omap3630())
> omap_features |= OMAP3_HAS_IO_WAKEUP;
> - if (cpu_is_omap3630() || omap_rev() == OMAP3430_REV_ES3_1 ||
> + if (soc_is_omap3630() || omap_rev() == OMAP3430_REV_ES3_1 ||
> omap_rev() == OMAP3430_REV_ES3_1_2)
> omap_features |= OMAP3_HAS_IO_CHAIN_CTRL;
>
> @@ -697,7 +697,7 @@ void __init omap2_set_globals_tap(u32 class, void __iomem *tap)
> tap_base = tap;
>
> /* XXX What is this intended to do? */
> - if (cpu_is_omap34xx())
> + if (soc_is_omap34xx())
> tap_prod_id = 0x0210;
> else
> tap_prod_id = 0x0208;
> @@ -715,11 +715,11 @@ static const char * const omap_types[] = {
>
> static const char * __init omap_get_family(void)
> {
> - if (cpu_is_omap24xx())
> + if (soc_is_omap24xx())
> return kasprintf(GFP_KERNEL, "OMAP2");
> - else if (cpu_is_omap34xx())
> + else if (soc_is_omap34xx())
> return kasprintf(GFP_KERNEL, "OMAP3");
> - else if (cpu_is_omap44xx())
> + else if (soc_is_omap44xx())
> return kasprintf(GFP_KERNEL, "OMAP4");
> else if (soc_is_omap54xx())
> return kasprintf(GFP_KERNEL, "OMAP5");
> diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h
> index f97654d..bb824ae 100644
> --- a/arch/arm/mach-omap2/soc.h
> +++ b/arch/arm/mach-omap2/soc.h
> @@ -148,13 +148,13 @@ static inline int soc_is_omap(void)
> /*
> * Macros to group OMAP into cpu classes.
> * These can be used in most places.
> - * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
> - * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
> - * cpu_is_omap243x(): True for OMAP2430
> - * cpu_is_omap343x(): True for OMAP3430
> - * cpu_is_omap443x(): True for OMAP4430
> - * cpu_is_omap446x(): True for OMAP4460
> - * cpu_is_omap447x(): True for OMAP4470
> + * soc_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
> + * soc_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
> + * soc_is_omap243x(): True for OMAP2430
> + * soc_is_omap343x(): True for OMAP3430
> + * soc_is_omap443x(): True for OMAP4430
> + * soc_is_omap446x(): True for OMAP4460
> + * soc_is_omap447x(): True for OMAP4470
> * soc_is_omap543x(): True for OMAP5430, OMAP5432
> */
> #define GET_OMAP_CLASS (omap_rev() & 0xff)
> @@ -225,23 +225,23 @@ IS_TI_SUBCLASS(814x, 0x814)
> IS_AM_SUBCLASS(335x, 0x335)
> IS_AM_SUBCLASS(437x, 0x437)
>
> -#define cpu_is_omap24xx() 0
> -#define cpu_is_omap242x() 0
> -#define cpu_is_omap243x() 0
> -#define cpu_is_omap34xx() 0
> -#define cpu_is_omap343x() 0
> -#define cpu_is_ti81xx() 0
> -#define cpu_is_ti816x() 0
> -#define cpu_is_ti814x() 0
> +#define soc_is_omap24xx() 0
> +#define soc_is_omap242x() 0
> +#define soc_is_omap243x() 0
> +#define soc_is_omap34xx() 0
> +#define soc_is_omap343x() 0
> +#define soc_is_ti81xx() 0
> +#define soc_is_ti816x() 0
> +#define soc_is_ti814x() 0
> #define soc_is_am35xx() 0
> #define soc_is_am33xx() 0
> #define soc_is_am335x() 0
> #define soc_is_am43xx() 0
> #define soc_is_am437x() 0
> -#define cpu_is_omap44xx() 0
> -#define cpu_is_omap443x() 0
> -#define cpu_is_omap446x() 0
> -#define cpu_is_omap447x() 0
> +#define soc_is_omap44xx() 0
> +#define soc_is_omap443x() 0
> +#define soc_is_omap446x() 0
> +#define soc_is_omap447x() 0
> #define soc_is_omap54xx() 0
> #define soc_is_omap543x() 0
> #define soc_is_dra7xx() 0
> @@ -250,54 +250,64 @@ IS_AM_SUBCLASS(437x, 0x437)
>
> #if defined(MULTI_OMAP2)
> # if defined(CONFIG_ARCH_OMAP2)
> -# undef cpu_is_omap24xx
> -# define cpu_is_omap24xx() is_omap24xx()
> +# undef soc_is_omap24xx
> +# define soc_is_omap24xx() is_omap24xx()
> +# define cpu_is_omap24xx soc_is_omap24xx
> # endif
> # if defined (CONFIG_SOC_OMAP2420)
> -# undef cpu_is_omap242x
> -# define cpu_is_omap242x() is_omap242x()
> +# undef soc_is_omap242x
> +# define soc_is_omap242x() is_omap242x()
> +# define cpu_is_omap242x soc_is_omap242x
> # endif
> # if defined (CONFIG_SOC_OMAP2430)
> -# undef cpu_is_omap243x
> -# define cpu_is_omap243x() is_omap243x()
> +# undef soc_is_omap243x
> +# define soc_is_omap243x() is_omap243x()
> +# define cpu_is_omap243x soc_is_omap243x
> # endif
> # if defined(CONFIG_ARCH_OMAP3)
> -# undef cpu_is_omap34xx
> -# undef cpu_is_omap343x
> -# define cpu_is_omap34xx() is_omap34xx()
> -# define cpu_is_omap343x() is_omap343x()
> +# undef soc_is_omap34xx
> +# undef soc_is_omap343x
> +# define soc_is_omap34xx() is_omap34xx()
> +# define cpu_is_omap34xx soc_is_omap34xx
> +# define soc_is_omap343x() is_omap343x()
> +# define cpu_is_omap343x soc_is_omap343x
> # endif
> #else
> # if defined(CONFIG_ARCH_OMAP2)
> -# undef cpu_is_omap24xx
> -# define cpu_is_omap24xx() 1
> +# undef soc_is_omap24xx
> +# define soc_is_omap24xx() 1
> +# define cpu_is_omap24xx soc_is_omap24xx
> # endif
> # if defined(CONFIG_SOC_OMAP2420)
> -# undef cpu_is_omap242x
> -# define cpu_is_omap242x() 1
> +# undef soc_is_omap242x
> +# define soc_is_omap242x() 1
> +# define cpu_is_omap242x soc_is_omap242x
> # endif
> # if defined(CONFIG_SOC_OMAP2430)
> -# undef cpu_is_omap243x
> -# define cpu_is_omap243x() 1
> +# undef soc_is_omap243x
> +# define soc_is_omap243x() 1
> +# define cpu_is_omap243x soc_is_omap243x
> # endif
> # if defined(CONFIG_ARCH_OMAP3)
> -# undef cpu_is_omap34xx
> -# define cpu_is_omap34xx() 1
> +# undef soc_is_omap34xx
> +# define soc_is_omap34xx() 1
> +# define cpu_is_omap34xx soc_is_omap34xx
> # endif
> # if defined(CONFIG_SOC_OMAP3430)
> -# undef cpu_is_omap343x
> -# define cpu_is_omap343x() 1
> +# undef soc_is_omap343x
> +# define soc_is_omap343x() 1
> +# define cpu_is_omap343x soc_is_omap343x
> # endif
> #endif
>
> /*
> - * Macros to detect individual cpu types.
> + * Macros to detect individual soc types.
> * These are only rarely needed.
> - * cpu_is_omap2420(): True for OMAP2420
> - * cpu_is_omap2422(): True for OMAP2422
> - * cpu_is_omap2423(): True for OMAP2423
> - * cpu_is_omap2430(): True for OMAP2430
> - * cpu_is_omap3430(): True for OMAP3430
> + * soc_is_omap2420(): True for OMAP2420
> + * soc_is_omap2422(): True for OMAP2422
> + * soc_is_omap2423(): True for OMAP2423
> + * soc_is_omap2430(): True for OMAP2430
> + * soc_is_omap3430(): True for OMAP3430
> */
> #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
>
> @@ -313,51 +323,60 @@ IS_OMAP_TYPE(2423, 0x2423)
> IS_OMAP_TYPE(2430, 0x2430)
> IS_OMAP_TYPE(3430, 0x3430)
>
> -#define cpu_is_omap2420() 0
> -#define cpu_is_omap2422() 0
> -#define cpu_is_omap2423() 0
> -#define cpu_is_omap2430() 0
> -#define cpu_is_omap3430() 0
> -#define cpu_is_omap3630() 0
> +#define soc_is_omap2420() 0
> +#define soc_is_omap2422() 0
> +#define soc_is_omap2423() 0
> +#define soc_is_omap2430() 0
> +#define soc_is_omap3430() 0
> +#define soc_is_omap3630() 0
> #define soc_is_omap5430() 0
>
> /* These are needed for the common code */
> #ifdef CONFIG_ARCH_OMAP2PLUS
> -#define cpu_is_omap7xx() 0
> -#define cpu_is_omap15xx() 0
> -#define cpu_is_omap16xx() 0
> -#define cpu_is_omap1510() 0
> -#define cpu_is_omap1610() 0
> -#define cpu_is_omap1611() 0
> -#define cpu_is_omap1621() 0
> -#define cpu_is_omap1710() 0
> +#define soc_is_omap7xx() 0
> +#define soc_is_omap15xx() 0
> +#define soc_is_omap16xx() 0
> +#define soc_is_omap1510() 0
> +#define soc_is_omap1610() 0
> +#define soc_is_omap1611() 0
> +#define soc_is_omap1621() 0
> +#define soc_is_omap1710() 0
> #define cpu_class_is_omap1() 0
> #define cpu_class_is_omap2() 1
> #endif
>
> #if defined(CONFIG_ARCH_OMAP2)
> -# undef cpu_is_omap2420
> -# undef cpu_is_omap2422
> -# undef cpu_is_omap2423
> -# undef cpu_is_omap2430
> -# define cpu_is_omap2420() is_omap2420()
> -# define cpu_is_omap2422() is_omap2422()
> -# define cpu_is_omap2423() is_omap2423()
> -# define cpu_is_omap2430() is_omap2430()
> +# undef soc_is_omap2420
> +# undef soc_is_omap2422
> +# undef soc_is_omap2423
> +# undef soc_is_omap2430
> +# define soc_is_omap2420() is_omap2420()
> +# define cpu_is_omap2420 soc_is_omap2420
> +# define soc_is_omap2422() is_omap2422()
> +# define cpu_is_omap2422 soc_is_omap2422
> +# define soc_is_omap2423() is_omap2423()
> +# define cpu_is_omap2423 soc_is_omap2423
> +# define soc_is_omap2430() is_omap2430()
> +# define cpu_is_omap2430 soc_is_omap2430
> #endif
>
> #if defined(CONFIG_ARCH_OMAP3)
> -# undef cpu_is_omap3430
> -# undef cpu_is_ti81xx
> -# undef cpu_is_ti816x
> -# undef cpu_is_ti814x
> +# undef soc_is_omap3430
> +# undef soc_is_ti81xx
> +# undef soc_is_ti816x
> +# undef soc_is_ti814x
> # undef soc_is_am35xx
> -# define cpu_is_omap3430() is_omap3430()
> -# undef cpu_is_omap3630
> -# define cpu_is_omap3630() is_omap363x()
> -# define cpu_is_ti81xx() is_ti81xx()
> -# define cpu_is_ti816x() is_ti816x()
> -# define cpu_is_ti814x() is_ti814x()
> +# define soc_is_omap3430() is_omap3430()
> +# define cpu_is_omap3430 soc_is_omap3430
> +# undef soc_is_omap3630
> +# define soc_is_omap3630() is_omap363x()
> +# define cpu_is_omap3630 soc_is_omap3630
> +# define soc_is_ti81xx() is_ti81xx()
> +# define cpu_is_ti81xx soc_is_ti81xx
> +# define soc_is_ti816x() is_ti816x()
> +# define cpu_is_ti816x soc_is_ti816x
> +# define soc_is_ti814x() is_ti814x()
> +# define cpu_is_ti814x soc_is_ti814x
> # define soc_is_am35xx() is_am35xx()
> #endif
>
> @@ -376,14 +395,18 @@ IS_OMAP_TYPE(3430, 0x3430)
> #endif
>
> # if defined(CONFIG_ARCH_OMAP4)
> -# undef cpu_is_omap44xx
> -# undef cpu_is_omap443x
> -# undef cpu_is_omap446x
> -# undef cpu_is_omap447x
> -# define cpu_is_omap44xx() is_omap44xx()
> -# define cpu_is_omap443x() is_omap443x()
> -# define cpu_is_omap446x() is_omap446x()
> -# define cpu_is_omap447x() is_omap447x()
> +# undef soc_is_omap44xx
> +# undef soc_is_omap443x
> +# undef soc_is_omap446x
> +# undef soc_is_omap447x
> +# define soc_is_omap44xx() is_omap44xx()
> +# define cpu_is_omap44xx() soc_is_omap44xx()
> +# define soc_is_omap443x() is_omap443x()
> +# define cpu_is_omap443x() soc_is_omap443x()
> +# define soc_is_omap446x() is_omap446x()
> +# define cpu_is_omap446x() soc_is_omap446x()
> +# define soc_is_omap447x() is_omap447x()
> +# define cpu_is_omap447x() soc_is_omap447x()
> # endif
>
> # if defined(CONFIG_SOC_OMAP5)
>
--
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