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| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-08-31 13:40:46 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-08-31 15:54:13 +0100 |
| commit | c1d8b0825d50e1eb6b6ea2cb9e450637dba9b4e2 (patch) | |
| tree | 5a14b0275fa4ed446e095487c476361dc8fa8d61 /drivers/spi/spi-dw-mmio.c | |
| parent | 6e249d1ec1b4e39bd51b01cdfa3fa05641ca918e (diff) | |
| download | lwn-c1d8b0825d50e1eb6b6ea2cb9e450637dba9b4e2.tar.gz lwn-c1d8b0825d50e1eb6b6ea2cb9e450637dba9b4e2.zip | |
spi: dw-mmio: avoid hardcoded field mask
Define a mask for the IF_SI_OWNER field.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-dw-mmio.c')
| -rw-r--r-- | drivers/spi/spi-dw-mmio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c index 351f49976161..a768461614a0 100644 --- a/drivers/spi/spi-dw-mmio.c +++ b/drivers/spi/spi-dw-mmio.c @@ -36,6 +36,7 @@ struct dw_spi_mmio { #define MSCC_CPU_SYSTEM_CTRL_GENERAL_CTRL 0x24 #define OCELOT_IF_SI_OWNER_OFFSET 4 #define JAGUAR2_IF_SI_OWNER_OFFSET 6 +#define MSCC_IF_SI_OWNER_MASK GENMASK(1, 0) #define MSCC_IF_SI_OWNER_SISL 0 #define MSCC_IF_SI_OWNER_SIBM 1 #define MSCC_IF_SI_OWNER_SIMC 2 @@ -102,7 +103,7 @@ static int dw_spi_mscc_init(struct platform_device *pdev, /* Select the owner of the SI interface */ regmap_update_bits(dwsmscc->syscon, MSCC_CPU_SYSTEM_CTRL_GENERAL_CTRL, - 0x3 << if_si_owner_offset, + MSCC_IF_SI_OWNER_MASK << if_si_owner_offset, MSCC_IF_SI_OWNER_SIMC << if_si_owner_offset); dwsmmio->dws.set_cs = dw_spi_mscc_set_cs; |