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| author |   Patrice Chotard <patrice.chotard@st.com> | 2019-06-20 15:13:23 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2019-06-24 17:28:43 +0100 |
| commit | 94613d5ae1091a28b33f38e18d96e8d953ac18df (patch) | |
| tree | c94000124b804108588aa43b95b975db8a2863b1 /drivers/spi | |
| parent | spi: qup: fix PIO/DMA transfers. (diff) | |
| download | linux-dev-94613d5ae1091a28b33f38e18d96e8d953ac18df.tar.xz linux-dev-94613d5ae1091a28b33f38e18d96e8d953ac18df.zip | |
spi: spi-stm32-qspi: Remove CR_FTHRES_MASK usage
On STM32 F4/F7/H7 SoCs, FTHRES is a 5 bits field in QSPI_CR register,
but for STM32MP1 SoCs, FTHRES is a 4 bits field long. CR_FTHRES_MASK
definition is not correct.
As for all these SoCs, FTHRES field is set to 3, FIELD_PREP() macro
is used with a constant as second parameter which make its usage useless.
CR_FTHRES_MASK and FIELD_PREP() can be removed.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-stm32-qspi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-stm32-qspi.c b/drivers/spi/spi-stm32-qspi.c index 42f8e3c6aa1f..5dbb6a8e893c 100644 --- a/drivers/spi/spi-stm32-qspi.c +++ b/drivers/spi/spi-stm32-qspi.c @@ -29,7 +29,7 @@ #define CR_SSHIFT BIT(4) #define CR_DFM BIT(6) #define CR_FSEL BIT(7) -#define CR_FTHRES_MASK GENMASK(12, 8) +#define CR_FTHRES_SHIFT 8 #define CR_TEIE BIT(16) #define CR_TCIE BIT(17) #define CR_FTIE BIT(18) @@ -463,7 +463,7 @@ static int stm32_qspi_setup(struct spi_device *spi) flash->presc = presc; mutex_lock(&qspi->lock); - qspi->cr_reg = FIELD_PREP(CR_FTHRES_MASK, 3) | CR_SSHIFT | CR_EN; + qspi->cr_reg = 3 << CR_FTHRES_SHIFT | CR_SSHIFT | CR_EN; writel_relaxed(qspi->cr_reg, qspi->io_base + QSPI_CR); /* set dcr fsize to max address */ |