Re: [PATCH v4 08/10] commands: firmwareload: allow loading firmware from dt

[Sascha Hauer <sha@pengutronix.de>]

On Wed, Jun 16, 2021 at 08:32:44AM +0200, Steffen Trumtrar wrote:
> firmwareload can only load a bitstream into an FPGA without any
> knowledge of possible additional needs (e.g. FPGA bridges).
> 
> These are defined in the fpga-region nodes in the devicetree. The
> fpga-region describes the layout of the FPGA and the bridges it needs
> en/disabled.
> 
> Add an option to let firmwareload go via the oftree route and load the
> firmware that way.
> 
> Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
> 
> ---
> 
> v2->v3 - remove unused arg 'o'
>        - use xstrdup()
> ---
>  commands/firmwareload.c | 39 +++++++++++++++++++++++++++++++++------
>  1 file changed, 33 insertions(+), 6 deletions(-)
> 
> diff --git a/commands/firmwareload.c b/commands/firmwareload.c
> index b735088f6117..c2a017c45479 100644
> --- a/commands/firmwareload.c
> +++ b/commands/firmwareload.c
> @@ -5,18 +5,35 @@
>  #include <command.h>
>  #include <getopt.h>
>  #include <firmware.h>
> +#include <of.h>
>  
>  static int do_firmwareload(int argc, char *argv[])
>  {
> -	int ret, opt;
> +	int opt;
>  	const char *name = NULL, *firmware;
>  	struct firmware_mgr *mgr;
> +	char *path = NULL;
> +	char *search_path = NULL;
> +	char *compatible = NULL;
> +	int oftree = 0;
>  
> -	while ((opt = getopt(argc, argv, "t:l")) > 0) {
> +	while ((opt = getopt(argc, argv, "t:c:S:D:l")) > 0) {
>  		switch (opt) {
>  		case 't':
>  			name = optarg;
>  			break;
> +		case 'c':
> +			compatible = xstrdup(optarg);
> +			oftree = 1;
> +			break;
> +		case 'S':
> +			search_path = xstrdup(optarg);
> +			oftree = 1;
> +			break;
> +		case 'D':
> +			path = xstrdup(optarg);

As mentioned to v2 these strings are not freed. Anyway, duplicating them
is not necessary, a plain path = optarg is enough. Will fix that up.

Sascha

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