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spi: uniphier: Use FIELD_MODIFY()

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Use FIELD_MODIFY() to remove open-coded bit manipulation.
No functional change intended.

Signed-off-by: Hans Zhang <18255117159@163.com>
Link: https://patch.msgid.link/20260430155456.36998-11-18255117159@163.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Hans Zhang
2026-04-30 23:54:56 +08:00
committed by Mark Brown
parent 673214ac9b
commit ce7984bea2
1 changed files with 5 additions and 8 deletions
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13
drivers/spi/spi-uniphier.c
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@@ -184,14 +184,12 @@ static void uniphier_spi_set_transfer_size(struct spi_device *spi, int size)
u32 val;
val = readl(priv->base + SSI_TXWDS);
val &= ~(SSI_TXWDS_WDLEN_MASK | SSI_TXWDS_DTLEN_MASK);
val |= FIELD_PREP(SSI_TXWDS_WDLEN_MASK, size);
val |= FIELD_PREP(SSI_TXWDS_DTLEN_MASK, size);
FIELD_MODIFY(SSI_TXWDS_WDLEN_MASK, &val, size);
FIELD_MODIFY(SSI_TXWDS_DTLEN_MASK, &val, size);
writel(val, priv->base + SSI_TXWDS);
val = readl(priv->base + SSI_RXWDS);
val &= ~SSI_RXWDS_DTLEN_MASK;
val |= FIELD_PREP(SSI_RXWDS_DTLEN_MASK, size);
FIELD_MODIFY(SSI_RXWDS_DTLEN_MASK, &val, size);
writel(val, priv->base + SSI_RXWDS);
}
@@ -308,9 +306,8 @@ static void uniphier_spi_set_fifo_threshold(struct uniphier_spi_priv *priv,
u32 val;
val = readl(priv->base + SSI_FC);
val &= ~(SSI_FC_TXFTH_MASK | SSI_FC_RXFTH_MASK);
val |= FIELD_PREP(SSI_FC_TXFTH_MASK, SSI_FIFO_DEPTH - threshold);
val |= FIELD_PREP(SSI_FC_RXFTH_MASK, threshold);
FIELD_MODIFY(SSI_FC_TXFTH_MASK, &val, SSI_FIFO_DEPTH - threshold);
FIELD_MODIFY(SSI_FC_RXFTH_MASK, &val, threshold);
writel(val, priv->base + SSI_FC);
}