Hi
On Friday, July 15, 2011 5:14 PM +0530, Koyamangalath, Abhilash wrote:
________________________________________
> From: Koyamangalath, Abhilash
> Sent: Friday, July 15, 2011 5:14 PM
> To: linux-omap@xxxxxxxxxxxxxxx
> Cc: tony@xxxxxxxxxxx; linux@xxxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Koyamangalath, Abhilash
> Subject: [PATCH v2] OMAP3: powerdomains: Match silicon revision to select the correct "core_pwrdm" definition
>
> powerdomains3xxx_data.c defines core_3xxx_pre_es3_1_pwrdm and
> core_3xxx_es3_1_pwrdm to take care of differences in "core_pwrdm"
> implementations across revisions.
> However,_pwrdm_lookup("core_pwrdm") always matches the first definition for
> 3630 ES 1.1 and 1.2 which is incorrect. This patch fixes this issue by adding
> code to match silicon revision as well while looking up "core_pwrdm" in
> _pwrdm_lookup().
> core_3xxx_es3_1_pwrdm is different from core_3xxx_pre_es3_1_pwrdm in
> that the former adds hardware save-restore support for USBTLL for 3430
> ES3.1 and for 3630 ES1.1 and ES1.2.
>
> Signed-off-by: Abhilash K V <abhilash.kv@xxxxxx>
> ---
> v2:
> * now tested on 3630 (ES1.2 and ES1.0) and 3530 (ES3.0 and ES3.1)
> * fixed checkpatch errors/warnings.
>
> arch/arm/mach-omap2/powerdomain.c | 19 +++++++++++++++++++
> 1 files changed, 19 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
> index 9af0847..82a2e30 100644
> --- a/arch/arm/mach-omap2/powerdomain.c
> +++ b/arch/arm/mach-omap2/powerdomain.c
> @@ -32,6 +32,7 @@
> #include "powerdomain.h"
> #include "clockdomain.h"
> #include <plat/prcm.h>
> +#include <plat/cpu.h>
>
> #include "pm.h"
>
> @@ -58,6 +59,24 @@ static struct powerdomain *_pwrdm_lookup(const char *name)
>
> list_for_each_entry(temp_pwrdm, &pwrdm_list, node) {
> if (!strcmp(name, temp_pwrdm->name)) {
> + if (!strcmp(name, "core_pwrdm") && cpu_is_omap3630()) {
> + if (omap_rev() > OMAP3630_REV_ES1_0) {
> + /*
> + * match omap_chip info for OMAP3630
> + * Rev ES1.1, ES1.2 or higher
> + */
> + if (!(temp_pwrdm->omap_chip.oc
> + & CHIP_GE_OMAP3630ES1_1))
> + continue;
> + } else {
> + /* match omap_chip info for OMAP3630
> + * Rev ES1.0
> + */
> + if (!(temp_pwrdm->omap_chip.oc
> + & CHIP_IS_OMAP3630ES1))
> + continue;
> + }
> + }
> pwrdm = temp_pwrdm;
> break;
> }
> --
> 1.7.1
Any comments ?
-Abhilash --
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