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spi: fsl-cpm: substitute empty_zero_page with helper ZERO_PAGE(0)

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Not all zero page implementations use empty_zero_page global pointer so
let's substitute empty_zero_page occurence with helper ZERO_PAGE(0).

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Link: https://lore.kernel.org/r/20221018215755.33566-2-giulio.benetti@benettiengineering.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Giulio Benetti 2022-10-18 23:57:54 +02:00 committed by Mark Brown
parent 666ea0ad93
commit 3be6acda82
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1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi-fsl-cpm.c
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@ -333,7 +333,7 @@ int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi)
goto err_bds;
}
mspi->dma_dummy_tx = dma_map_single(dev, empty_zero_page, PAGE_SIZE,
mspi->dma_dummy_tx = dma_map_single(dev, ZERO_PAGE(0), PAGE_SIZE,
DMA_TO_DEVICE);
if (dma_mapping_error(dev, mspi->dma_dummy_tx)) {
dev_err(dev, "unable to map dummy tx buffer\n");