netdev - Re: FW: [PATCH 2/2] ath10k: allow ATH10K_SNOC with COMPILE

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Date:   Tue, 12 Jun 2018 14:44:03 +0200
From:   Niklas Cassel <niklas.cassel@...aro.org>
To:     Govind Singh <govinds@...eaurora.org>, bjorn.andersson@...aro.org
Cc:     kvalo@...eaurora.org, davem@...emloft.net, netdev@...r.kernel.org,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: FW: [PATCH 2/2] ath10k: allow ATH10K_SNOC with COMPILE_TEST

On Tue, Jun 12, 2018 at 06:02:48PM +0530, Govind Singh wrote:
> On 2018-06-12 17:45, Govind Singh wrote:
> > -----Original Message-----
> > From: ath10k <ath10k-bounces@...ts.infradead.org> On Behalf Of Niklas
> > Cassel
> > Sent: Tuesday, June 12, 2018 5:09 PM
> > To: Kalle Valo <kvalo@...eaurora.org>; David S. Miller
> > <davem@...emloft.net>
> > Cc: Niklas Cassel <niklas.cassel@...aro.org>; netdev@...r.kernel.org;
> > linux-wireless@...r.kernel.org; linux-kernel@...r.kernel.org;
> > ath10k@...ts.infradead.org
> > Subject: [PATCH 2/2] ath10k: allow ATH10K_SNOC with COMPILE_TEST
> > 
> > ATH10K_SNOC builds just fine with COMPILE_TEST, so make that possible.
> > 
> > Signed-off-by: Niklas Cassel <niklas.cassel@...aro.org>
> > ---
> >  drivers/net/wireless/ath/ath10k/Kconfig | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/net/wireless/ath/ath10k/Kconfig
> > b/drivers/net/wireless/ath/ath10k/Kconfig
> > index 54ff5930126c..6572a43590a8 100644
> > --- a/drivers/net/wireless/ath/ath10k/Kconfig
> > +++ b/drivers/net/wireless/ath/ath10k/Kconfig
> > @@ -42,7 +42,8 @@ config ATH10K_USB
> > 
> >  config ATH10K_SNOC
> >  	tristate "Qualcomm ath10k SNOC support (EXPERIMENTAL)"
> > -	depends on ATH10K && ARCH_QCOM
> > +	depends on ATH10K
> > +	depends on ARCH_QCOM || COMPILE_TEST
> >  	---help---
> >  	  This module adds support for integrated WCN3990 chip connected
> >  	  to system NOC(SNOC). Currently work in progress and will not
> 
> Thanks Niklas for enabling COMPILE_TEST. With QMI set of
> changes(https://patchwork.kernel.org/patch/10448183/), we need to enable
> COMPILE_TEST for
> QCOM_SCM/QMI_HELPERS which seems broken today. Are you planning to fix the
> same.


Argh..

qcom_scm seems fine, it is just missing a single definition in the
#else clause of include/linux/qcom_scm.h.

+++ b/include/linux/qcom_scm.h
@@ -89,6 +89,10 @@ static inline int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr,                                     
 static inline int
 qcom_scm_pas_auth_and_reset(u32 peripheral) { return -ENODEV; }
 static inline int qcom_scm_pas_shutdown(u32 peripheral) { return -ENODEV; }                                                      
+static inline int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,                                                       
+                                     unsigned int *src,
+                                     struct qcom_scm_vmperm *newvm,                                                              
+                                     int dest_cnt) { return -ENODEV; }                                                           
 static inline void qcom_scm_cpu_power_down(u32 flags) {}
 static inline u32 qcom_scm_get_version(void) { return 0; }



include/linux/soc/qcom/qmi.h on the other hand doesn't have any
dummy defintions at all.
I think that it makes sense to be able to compile test
the QMI helpers also on other archs..

Bjorn, any opinion?


> 
>  config QCOM_SCM
>  	bool
> -	depends on ARM || ARM64
> +	depends on ARM || ARM64 || COMPILE_TEST
>  	select RESET_CONTROLLER
> 
> 
>  config QCOM_SCM_64
>  	def_bool y
> -	depends on QCOM_SCM && ARM64
> +	depends on QCOM_SCM && ARM64 || COMPILE_TEST
> 
>  config QCOM_QMI_HELPERS
>  	tristate
> -	depends on ARCH_QCOM && NET
> +	depends on (ARCH_QCOM || COMPILE_TEST) && NET
> 
> -obj-$(CONFIG_ARCH_QCOM)		+= qcom/
> +obj-y				+= qcom/
> 
> __qcom_scm_init/qcom_scm_call wrapper to support COMPILE_TEST.
> 
> 
> 
> BR,
> Govind