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spi: pxa2xx: Use predefined mask when programming FIFO thresholds

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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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210517140351.901-10-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2021-05-17 17:03:51 +03:00 committed by Mark Brown
parent f96e6c0ef6
commit 70252440b2
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 1 deletions
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3
drivers/spi/spi-pxa2xx.c
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@ -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))