Unverified Commit 2c547549 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mark Brown
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spi: pxa2xx: Allow number of chip select pins to be read from property 



In some cases the number of the chip select pins might come from
the device property. Allow driver to use it.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240417110334.2671228-2-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 6be871d5

drivers/spi/spi-pxa2xx.c

+5 −1
Original line number Diff line number Diff line
@@ -1357,6 +1357,7 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev) 
	struct ssp_device *ssp = NULL;

	const void *match;

	bool is_lpss_priv;

	u32 num_cs = 1;

	int status;



	is_lpss_priv = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpss_priv");
@@ -1395,8 +1396,11 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev) 
		pdata->dma_filter = pxa2xx_spi_idma_filter;

	}



	/* Read number of chip select pins, if provided */

	device_property_read_u32(dev, "num-cs", &num_cs);



	pdata->num_chipselect = num_cs;

	pdata->is_target = device_property_read_bool(dev, "spi-slave");

	pdata->num_chipselect = 1;

	pdata->enable_dma = true;

	pdata->dma_burst_size = 1;