Unverified Commit 75bfdcca authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mark Brown
Browse files

spi: pxa2xx: Remove superflous check for Intel Atom SoCs 



pxa2xx_spi_fw_translate_cs() checks for the ACPI companion device
presence along with the SSP type. But the SSP type is uniquely
determines the case. Hence remove the superflous check.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://msgid.link/r/20240530151117.1130792-9-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 560fb06d

drivers/spi/spi-pxa2xx.c

+11 −15
Original line number Diff line number Diff line
@@ -1393,24 +1393,20 @@ static int pxa2xx_spi_fw_translate_cs(struct spi_controller *controller, 
{

	struct driver_data *drv_data = spi_controller_get_devdata(controller);



	if (has_acpi_companion(drv_data->ssp->dev)) {

	switch (drv_data->ssp_type) {

	/*

		 * For Atoms the ACPI DeviceSelection used by the Windows

		 * driver starts from 1 instead of 0 so translate it here

		 * to match what Linux expects.

	 * For some of Intel Atoms the ACPI DeviceSelection used by the Windows

	 * driver starts from 1 instead of 0 so translate it here to match what

	 * Linux expects.

	 */

	case LPSS_BYT_SSP:

	case LPSS_BSW_SSP:

		return cs - 1;



	default:

			break;

		}

	}



		return cs;

	}

}



static size_t pxa2xx_spi_max_dma_transfer_size(struct spi_device *spi)

{