spi: pxa2xx: Skip SSP initialization if it's done elsewhere

If SSP has been enumerated elsewhere, skip its initialization
in pxa2xx_spi_init_pdata().

Signed-off-by: Andy Shevchenko <[e-mail]>
Link: https://msgid.link/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/spi/spi-pxa2xx.c

···
 	struct device *dev = &pdev->dev;
 	struct device *parent = dev->parent;
 	enum pxa_ssp_type type = SSP_UNDEFINED;
+	struct ssp_device *ssp = NULL;
 	const void *match;
 	bool is_lpss_priv;
 	int status;
···
 			return ERR_PTR(status);
 
 		type = (enum pxa_ssp_type)value;
+	} else {
+		ssp = pxa_ssp_request(pdev->id, pdev->name);
+		if (ssp)
+			type = ssp->type;
 	}
 
 	/* Validate the SSP type correctness */
···
 	pdata->num_chipselect = 1;
 	pdata->enable_dma = true;
 	pdata->dma_burst_size = 1;
+
+	/* If SSP has been already enumerated, use it */
+	if (ssp)
+		return pdata;
 
 	status = pxa2xx_spi_init_ssp(pdev, &pdata->ssp, type);
 	if (status)