From: James Clark Date: Thu, 22 May 2025 14:51:33 +0000 (+0100) Subject: spi: spi-fsl-dspi: Re-use one volatile regmap for both device types X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=87a14a96bc323aff824fad8cdbe61b78eff22255;p=users%2Fjedix%2Flinux-maple.git spi: spi-fsl-dspi: Re-use one volatile regmap for both device types max_register overrides anything in the volatile ranges, so we can get away with sharing the same one for both types. In a later commit we'll add more devices so this avoids adding even more duplication. Also replace the max_register magic numbers with their register definitions so it's clearer what's going on. No functional changes. Reviewed-by: Vladimir Oltean Signed-off-by: James Clark Link: https://patch.msgid.link/20250522-james-nxp-spi-v2-4-bea884630cfb@linaro.org Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 863781ba6c160..09b2b25ed2747 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -1209,6 +1209,7 @@ static const struct regmap_range dspi_volatile_ranges[] = { regmap_reg_range(SPI_MCR, SPI_TCR), regmap_reg_range(SPI_SR, SPI_SR), regmap_reg_range(SPI_PUSHR, SPI_RXFR3), + regmap_reg_range(SPI_SREX, SPI_SREX), }; static const struct regmap_access_table dspi_volatile_table = { @@ -1220,31 +1221,19 @@ static const struct regmap_config dspi_regmap_config = { .reg_bits = 32, .val_bits = 32, .reg_stride = 4, - .max_register = 0x88, + .max_register = SPI_RXFR3, .volatile_table = &dspi_volatile_table, .rd_table = &dspi_access_table, .wr_table = &dspi_access_table, }; -static const struct regmap_range dspi_xspi_volatile_ranges[] = { - regmap_reg_range(SPI_MCR, SPI_TCR), - regmap_reg_range(SPI_SR, SPI_SR), - regmap_reg_range(SPI_PUSHR, SPI_RXFR3), - regmap_reg_range(SPI_SREX, SPI_SREX), -}; - -static const struct regmap_access_table dspi_xspi_volatile_table = { - .yes_ranges = dspi_xspi_volatile_ranges, - .n_yes_ranges = ARRAY_SIZE(dspi_xspi_volatile_ranges), -}; - static const struct regmap_config dspi_xspi_regmap_config[] = { { .reg_bits = 32, .val_bits = 32, .reg_stride = 4, - .max_register = 0x13c, - .volatile_table = &dspi_xspi_volatile_table, + .max_register = SPI_SREX, + .volatile_table = &dspi_volatile_table, .rd_table = &dspi_access_table, .wr_table = &dspi_access_table, },