[PATCH 2/2] of/spi: Honour "status=disabled" property of device

[Rob Herring]

On 11/29/2012 01:59 AM, Alexander Sverdlin wrote:
> From: Alexander Sverdlin <alexander.sverdlin at sysgo.com>
> 
> of/spi: Honour "status=disabled" property of device
> 
> Currently of_register_spi_devices() function registers all SPI devices,
> independetly from their status property in device tree. According to
> "ePAPR 1.1" spec, device should only be registered if there is no
> "status" property, or it has "ok" (or "okay") value (see
> of_device_is_available()). In case of "platform devices",
> of_platform_device_create_pdata() checks for "status" and ensures
> that disabled devices are not pupulated. But such check for SPI buses
> was missing until now. Fix it.
> 
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin at sysgo.com>
> ---

This is under spi, but I've applied with the rest of the series (mdio
and i2c). It all goes to Grant anyway.

BTW, there's a problem that the subject line is duplicated in your
patches. I've fixed that up.

Rob

> --- linux.orig/drivers/spi/spi.c
> +++ linux/drivers/spi/spi.c
> @@ -819,7 +819,7 @@ static void of_register_spi_devices(stru
>  	if (!master->dev.of_node)
>  		return;
>  
> -	for_each_child_of_node(master->dev.of_node, nc) {
> +	for_each_available_child_of_node(master->dev.of_node, nc) {
>  		/* Alloc an spi_device */
>  		spi = spi_alloc_device(master);
>  		if (!spi) {
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