[SPAM] [PATCH v2 2/2] rockchip: rk3399: fix incorrect ifdef check on SPL_GPIO

[Xavier Drudis Ferran]

El Fri, Jul 15, 2022 at 05:09:49PM +0200, Quentin Schulz deia:
> From: Quentin Schulz <quentin.schulz at theobroma-systems.com>
> 
> The check to perform is on CONFIG_SPL_GPIO and not SPL_GPIO.
> Because this was never compiled in, it missed an include of cru.h that
> was not detected before. Let's include it too.
> 
> Also switch to IS_ENABLED ifdef and in-code check.
> 
> Fixes: 07586ee4322a ("rockchip: rk3399: Support common spl_board_init")
> Cc: Quentin Schulz <foss+uboot at 0leil.net>
> Signed-off-by: Quentin Schulz <quentin.schulz at theobroma-systems.com>
> ---
>

I've tested this on a Rock-Pi-4B, but with the patch below on top 
and I haven't seen any regression. So, with this small correction: 

Tested-by: Xavier Drudis Ferran <xdrudis at tinet.cat>
 
> v2:
>  - use IS_ENABLED checks,
> 
>  arch/arm/mach-rockchip/rk3399/rk3399.c | 45 ++++++++++++++------------
>  1 file changed, 24 insertions(+), 21 deletions(-)
> 
> diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c b/arch/arm/mach-rockchip/rk3399/rk3399.c
> index 920da22307..db8a6cb83a 100644
> --- a/arch/arm/mach-rockchip/rk3399/rk3399.c
> +++ b/arch/arm/mach-rockchip/rk3399/rk3399.c
> @@ -221,7 +221,9 @@ void spl_perform_fixups(struct spl_image_info *spl_image)
>  			   "u-boot,spl-boot-device", boot_ofpath);
>  }
>  
> -#if defined(SPL_GPIO)
> +#if IS_ENABLED(CONFIG_SPL_GPIO)
> +
> +#include <asm/arch-rockchip/cru.h>
>  static void rk3399_force_power_on_reset(void)
>  {
>  	ofnode node;
> @@ -253,27 +255,28 @@ void spl_board_init(void)
>  {
>  	led_setup();
>  
> -#if defined(SPL_GPIO)
> -	struct rockchip_cru *cru = rockchip_get_cru();
> +	if (IS_ENABLED(CONFIG_SPL_GPIO)) {
> +		struct rockchip_cru *cru = rockchip_get_cru();
>  
> -	/*
> -	 * The RK3399 resets only 'almost all logic' (see also in the TRM
> -	 * "3.9.4 Global software reset"), when issuing a software reset.
> -	 * This may cause issues during boot-up for some configurations of
> -	 * the application software stack.
> -	 *
> -	 * To work around this, we test whether the last reset reason was
> -	 * a power-on reset and (if not) issue an overtemp-reset to reset
> -	 * the entire module.
> -	 *
> -	 * While this was previously fixed by modifying the various places
> -	 * that could generate a software reset (e.g. U-Boot's sysreset
> -	 * driver, the ATF or Linux), we now have it here to ensure that
> -	 * we no longer have to track this through the various components.
> -	 */
> -	if (cru->glb_rst_st != 0)
> -		rk3399_force_power_on_reset();
> -#endif
> +		/*
> +		 * The RK3399 resets only 'almost all logic' (see also in the
> +		 * TRM "3.9.4 Global software reset"), when issuing a software
> +		 * reset. This may cause issues during boot-up for some
> +		 * configurations of the application software stack.
> +		 *
> +		 * To work around this, we test whether the last reset reason
> +		 * was a power-on reset and (if not) issue an overtemp-reset to
> +		 * reset the entire module.
> +		 *
> +		 * While this was previously fixed by modifying the various
> +		 * places that could generate a software reset (e.g. U-Boot's
> +		 * sysreset driver, the ATF or Linux), we now have it here to
> +		 * ensure that we no longer have to track this through the
> +		 * various components.
> +		 */
> +		if (cru->glb_rst_st != 0)
> +			rk3399_force_power_on_reset();
> +	}
>  
>  	if (IS_ENABLED(CONFIG_SPL_DM_REGULATOR)) {
>  		/*
> -- 
> 2.36.1
> 

The small correction (now that I think of it, the include might as well go at the top of file): 

---
 arch/arm/mach-rockchip/rk3399/rk3399.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c b/arch/arm/mach-rockchip/rk3399/rk3399.c
index fced5c7e21..10b911f998 100644
--- a/arch/arm/mach-rockchip/rk3399/rk3399.c
+++ b/arch/arm/mach-rockchip/rk3399/rk3399.c
@@ -221,9 +221,9 @@ void spl_perform_fixups(struct spl_image_info *spl_image)
 			   "u-boot,spl-boot-device", boot_ofpath);
 }
 
+#include <asm/arch-rockchip/cru.h>
 #if IS_ENABLED(CONFIG_SPL_GPIO)
 
-#include <asm/arch-rockchip/cru.h>
 static void rk3399_force_power_on_reset(void)
 {
 	ofnode node;
@@ -245,6 +245,10 @@ static void rk3399_force_power_on_reset(void)
 
 	dm_gpio_set_value(&sysreset_gpio, 1);
 }
+#else
+static inline void rk3399_force_power_on_reset(void)
+{
+}
 #endif
 
 void __weak led_setup(void)
-- 
2.20.1