Unverified Commit 70252440 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mark Brown
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spi: pxa2xx: Use predefined mask when programming FIFO thresholds 



The predefined mask for threshold modification can be used
in case of Intel Merrifield SPI. Replace open-coded value
with predefined mask when programming FIFO thresholds.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210517140351.901-10-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent f96e6c0e

drivers/spi/spi-pxa2xx.c

+2 −1
Original line number Diff line number Diff line
@@ -1083,12 +1083,13 @@ static int pxa2xx_spi_transfer_one(struct spi_controller *controller, 
	}



	if (is_mrfld_ssp(drv_data)) {

		u32 mask = SFIFOTT_RFT | SFIFOTT_TFT;

		u32 thresh = 0;



		thresh |= SFIFOTT_RxThresh(chip->lpss_rx_threshold);

		thresh |= SFIFOTT_TxThresh(chip->lpss_tx_threshold);



		pxa2xx_spi_update(drv_data, SFIFOTT, 0xffffffff, thresh);

		pxa2xx_spi_update(drv_data, SFIFOTT, mask, thresh);

	}



	if (is_quark_x1000_ssp(drv_data))