[PATCH] power: zynqmp: Use zynqmp_pmufw_node() from firmware

Jaehoon Chung jh80.chung at samsung.com
Mon Mar 7 00:15:03 CET 2022


On 3/1/22 17:10, Michal Simek wrote:
> Remove private xpm_configobject[] and use zynqmp_pmufw_node() which
> provides the same functionality.
> Also add debug messages for easier debugging.
> 
> Fixes: e0283cbdfd49 ("power: zynqmp: Add power domain driver for ZynqMP")
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>


Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>

Best Regards,
Jaehoon Chung

> ---
> 
>  drivers/power/domain/zynqmp-power-domain.c | 29 ++++------------------
>  1 file changed, 5 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/power/domain/zynqmp-power-domain.c b/drivers/power/domain/zynqmp-power-domain.c
> index 5383d0989698..6943658be429 100644
> --- a/drivers/power/domain/zynqmp-power-domain.c
> +++ b/drivers/power/domain/zynqmp-power-domain.c
> @@ -5,6 +5,7 @@
>  
>  #include <common.h>
>  #include <dm.h>
> +#include <dm/device_compat.h>
>  #include <log.h>
>  #include <malloc.h>
>  #include <misc.h>
> @@ -13,25 +14,6 @@
>  
>  #include <zynqmp_firmware.h>
>  
> -#define NODE_ID_LOCATION	5
> -
> -static unsigned int xpm_configobject[] = {
> -	/* HEADER */
> -	2,	/* Number of remaining words in the header */
> -	1,	/* Number of sections included in config object */
> -	PM_CONFIG_OBJECT_TYPE_OVERLAY,	/* Type of Config object as overlay */
> -	/* SLAVE SECTION */
> -
> -	PM_CONFIG_SLAVE_SECTION_ID,	/* Section ID */
> -	1,				/* Number of slaves */
> -
> -	0, /* Node ID which will be changed below */
> -	PM_SLAVE_FLAG_IS_SHAREABLE,
> -	PM_CONFIG_IPI_PSU_CORTEXA53_0_MASK |
> -	PM_CONFIG_IPI_PSU_CORTEXR5_0_MASK |
> -	PM_CONFIG_IPI_PSU_CORTEXR5_1_MASK, /* IPI Mask */
> -};
> -
>  static int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
>  				  const u32 qos, const enum zynqmp_pm_request_ack ack)
>  {
> @@ -41,12 +23,9 @@ static int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
>  
>  static int zynqmp_power_domain_request(struct power_domain *power_domain)
>  {
> -	/* Record power domain id */
> -	xpm_configobject[NODE_ID_LOCATION] = power_domain->id;
> -
> -	zynqmp_pmufw_load_config_object(xpm_configobject, sizeof(xpm_configobject));
> +	dev_dbg(power_domain->dev, "Request for id: %ld\n", power_domain->id);
>  
> -	return 0;
> +	return zynqmp_pmufw_node(power_domain->id);
>  }
>  
>  static int zynqmp_power_domain_free(struct power_domain *power_domain)
> @@ -57,6 +36,8 @@ static int zynqmp_power_domain_free(struct power_domain *power_domain)
>  
>  static int zynqmp_power_domain_on(struct power_domain *power_domain)
>  {
> +	dev_dbg(power_domain->dev, "Domain ON for id: %ld\n", power_domain->id);
> +
>  	return zynqmp_pm_request_node(power_domain->id,
>  				      ZYNQMP_PM_CAPABILITY_ACCESS,
>  				      ZYNQMP_PM_MAX_QOS,



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