[PATCH 3/3] dma/ti: convert PSIL to be buildable as module

[Péter Ujfalusi]

Hi Kevin,

On 9/26/22 21:18, Kevin Hilman wrote:
> map symbols need EXPORT_SYMBOL and files need MODULE_LICENSE.
> 
> Signed-off-by: Kevin Hilman <khilman at baylibre.com>
> ---
>  drivers/dma/ti/Kconfig          | 3 ++-
>  drivers/dma/ti/k3-psil-am62.c   | 4 ++++
>  drivers/dma/ti/k3-psil-am64.c   | 4 ++++
>  drivers/dma/ti/k3-psil-am654.c  | 4 ++++
>  drivers/dma/ti/k3-psil-j7200.c  | 4 ++++
>  drivers/dma/ti/k3-psil-j721e.c  | 4 ++++
>  drivers/dma/ti/k3-psil-j721s2.c | 4 ++++
>  drivers/dma/ti/k3-psil.c        | 2 ++
>  8 files changed, 28 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/ti/Kconfig b/drivers/dma/ti/Kconfig
> index f196be3b222f..2adc2cca10e9 100644
> --- a/drivers/dma/ti/Kconfig
> +++ b/drivers/dma/ti/Kconfig
> @@ -56,7 +56,8 @@ config TI_K3_UDMA_GLUE_LAYER
>  	  If unsure, say N.
>  
>  config TI_K3_PSIL
> -	bool
> +       tristate
> +       default TI_K3_UDMA
>  
>  config TI_DMA_CROSSBAR
>  	bool
> diff --git a/drivers/dma/ti/k3-psil-am62.c b/drivers/dma/ti/k3-psil-am62.c
> index 2b6fd6e37c61..7c4ca85f68b1 100644
> --- a/drivers/dma/ti/k3-psil-am62.c
> +++ b/drivers/dma/ti/k3-psil-am62.c
> @@ -4,6 +4,7 @@
>   */
>  
>  #include <linux/kernel.h>
> +#include <linux/module.h>
>  
>  #include "k3-psil-priv.h"
>  
> @@ -184,3 +185,6 @@ struct psil_ep_map am62_ep_map = {
>  	.dst = am62_dst_ep_map,
>  	.dst_count = ARRAY_SIZE(am62_dst_ep_map),
>  };
> +EXPORT_SYMBOL_GPL(am62_ep_map);

Wouldn't it be better to build one module (k3-psil.ko) and link all the
platform libs into that?
They are unconditionally built in all cases anyways and makes the lsmod
under control.
And no need to export these maps at all is a plus.

> +
> +MODULE_LICENSE("GPL v2");
> diff --git a/drivers/dma/ti/k3-psil-am64.c b/drivers/dma/ti/k3-psil-am64.c
> index 9fdeaa11a4fc..c579374feef9 100644
> --- a/drivers/dma/ti/k3-psil-am64.c
> +++ b/drivers/dma/ti/k3-psil-am64.c
> @@ -5,6 +5,7 @@
>   */
>  
>  #include <linux/kernel.h>
> +#include <linux/module.h>
>  
>  #include "k3-psil-priv.h"
>  
> @@ -156,3 +157,6 @@ struct psil_ep_map am64_ep_map = {
>  	.dst = am64_dst_ep_map,
>  	.dst_count = ARRAY_SIZE(am64_dst_ep_map),
>  };
> +EXPORT_SYMBOL_GPL(am64_ep_map);
> +
> +MODULE_LICENSE("GPL v2");
> diff --git a/drivers/dma/ti/k3-psil-am654.c b/drivers/dma/ti/k3-psil-am654.c
> index a896a15908cf..10db638b1178 100644
> --- a/drivers/dma/ti/k3-psil-am654.c
> +++ b/drivers/dma/ti/k3-psil-am654.c
> @@ -5,6 +5,7 @@
>   */
>  
>  #include <linux/kernel.h>
> +#include <linux/module.h>
>  
>  #include "k3-psil-priv.h"
>  
> @@ -173,3 +174,6 @@ struct psil_ep_map am654_ep_map = {
>  	.dst = am654_dst_ep_map,
>  	.dst_count = ARRAY_SIZE(am654_dst_ep_map),
>  };
> +EXPORT_SYMBOL_GPL(am654_ep_map);
> +
> +MODULE_LICENSE("GPL v2");
> diff --git a/drivers/dma/ti/k3-psil-j7200.c b/drivers/dma/ti/k3-psil-j7200.c
> index 5ea63ea74822..b7c638a5d140 100644
> --- a/drivers/dma/ti/k3-psil-j7200.c
> +++ b/drivers/dma/ti/k3-psil-j7200.c
> @@ -5,6 +5,7 @@
>   */
>  
>  #include <linux/kernel.h>
> +#include <linux/module.h>
>  
>  #include "k3-psil-priv.h"
>  
> @@ -173,3 +174,6 @@ struct psil_ep_map j7200_ep_map = {
>  	.dst = j7200_dst_ep_map,
>  	.dst_count = ARRAY_SIZE(j7200_dst_ep_map),
>  };
> +EXPORT_SYMBOL_GPL(j7200_ep_map);
> +
> +MODULE_LICENSE("GPL v2");
> diff --git a/drivers/dma/ti/k3-psil-j721e.c b/drivers/dma/ti/k3-psil-j721e.c
> index 34e3fc565a37..759e4a156acd 100644
> --- a/drivers/dma/ti/k3-psil-j721e.c
> +++ b/drivers/dma/ti/k3-psil-j721e.c
> @@ -5,6 +5,7 @@
>   */
>  
>  #include <linux/kernel.h>
> +#include <linux/module.h>
>  
>  #include "k3-psil-priv.h"
>  
> @@ -296,3 +297,6 @@ struct psil_ep_map j721e_ep_map = {
>  	.dst = j721e_dst_ep_map,
>  	.dst_count = ARRAY_SIZE(j721e_dst_ep_map),
>  };
> +EXPORT_SYMBOL_GPL(j721e_ep_map);
> +
> +MODULE_LICENSE("GPL v2");
> diff --git a/drivers/dma/ti/k3-psil-j721s2.c b/drivers/dma/ti/k3-psil-j721s2.c
> index a488c2250623..fd9e56851e59 100644
> --- a/drivers/dma/ti/k3-psil-j721s2.c
> +++ b/drivers/dma/ti/k3-psil-j721s2.c
> @@ -4,6 +4,7 @@
>   */
>  
>  #include <linux/kernel.h>
> +#include <linux/module.h>
>  
>  #include "k3-psil-priv.h"
>  
> @@ -173,3 +174,6 @@ struct psil_ep_map j721s2_ep_map = {
>  	.dst = j721s2_dst_ep_map,
>  	.dst_count = ARRAY_SIZE(j721s2_dst_ep_map),
>  };
> +EXPORT_SYMBOL_GPL(j721s2_ep_map);
> +
> +MODULE_LICENSE("GPL v2");
> diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c
> index 761a384093d2..8b6533a1eeeb 100644
> --- a/drivers/dma/ti/k3-psil.c
> +++ b/drivers/dma/ti/k3-psil.c
> @@ -5,6 +5,7 @@
>   */
>  
>  #include <linux/kernel.h>
> +#include <linux/module.h>
>  #include <linux/device.h>
>  #include <linux/init.h>
>  #include <linux/mutex.h>
> @@ -101,3 +102,4 @@ int psil_set_new_ep_config(struct device *dev, const char *name,
>  	return 0;
>  }
>  EXPORT_SYMBOL_GPL(psil_set_new_ep_config);
> +MODULE_LICENSE("GPL v2");

-- 
Péter