On Saturday, October 24, 2015 at 05:39:04 AM, Jagan Teki wrote:
> Replace numeric mask hexcodes with GENMASK macro
> in cadence_qspi_apb
> 
> Cc: Fabio Estevam <feste...@gmail.com>
> Cc: Stefan Roese <s...@denx.de>
> Cc: Marek Vasut <ma...@denx.de>
> Cc: Tom Rini <tr...@konsulko.com>
> Acked-by: Vikas Manocha <vikas.mano...@st.com>
> Signed-off-by: Jagan Teki <jt...@openedev.com>
> ---
>  drivers/spi/cadence_qspi_apb.c | 46
> +++++++++++++++++++++--------------------- 1 file changed, 23
> insertions(+), 23 deletions(-)
> 
> diff --git a/drivers/spi/cadence_qspi_apb.c
> b/drivers/spi/cadence_qspi_apb.c index 7786dd6..662d3bb 100644
> --- a/drivers/spi/cadence_qspi_apb.c
> +++ b/drivers/spi/cadence_qspi_apb.c
> @@ -44,7 +44,7 @@
>  #define CQSPI_INST_TYPE_QUAD                 (2)
> 
>  #define CQSPI_STIG_DATA_LEN_MAX                      (8)
> -#define CQSPI_INDIRECTTRIGGER_ADDR_MASK              (0xFFFFF)
> +#define CQSPI_INDIRECTTRIGGER_ADDR_MASK              GENMASK(19, 0)
> 
>  #define CQSPI_DUMMY_CLKS_PER_BYTE            (8)
>  #define CQSPI_DUMMY_BYTES_MAX                        (4)
> @@ -65,8 +65,8 @@
>  #define      CQSPI_REG_CONFIG_CHIPSELECT_LSB         10
>  #define      CQSPI_REG_CONFIG_BAUD_LSB               19
>  #define      CQSPI_REG_CONFIG_IDLE_LSB               31
> -#define      CQSPI_REG_CONFIG_CHIPSELECT_MASK        0xF
> -#define      CQSPI_REG_CONFIG_BAUD_MASK              0xF
> +#define      CQSPI_REG_CONFIG_CHIPSELECT_MASK        GENMASK(3, 0)
> +#define      CQSPI_REG_CONFIG_BAUD_MASK              GENMASK(3, 0)
> 
>  #define      CQSPI_REG_RD_INSTR                      0x04
>  #define      CQSPI_REG_RD_INSTR_OPCODE_LSB           0
> @@ -75,10 +75,10 @@
>  #define      CQSPI_REG_RD_INSTR_TYPE_DATA_LSB        16
>  #define      CQSPI_REG_RD_INSTR_MODE_EN_LSB          20
>  #define      CQSPI_REG_RD_INSTR_DUMMY_LSB            24
> -#define      CQSPI_REG_RD_INSTR_TYPE_INSTR_MASK      0x3
> -#define      CQSPI_REG_RD_INSTR_TYPE_ADDR_MASK       0x3
> -#define      CQSPI_REG_RD_INSTR_TYPE_DATA_MASK       0x3
> -#define      CQSPI_REG_RD_INSTR_DUMMY_MASK           0x1F
> +#define      CQSPI_REG_RD_INSTR_TYPE_INSTR_MASK      GENMASK(1, 0)
> +#define      CQSPI_REG_RD_INSTR_TYPE_ADDR_MASK       GENMASK(1, 0)
> +#define      CQSPI_REG_RD_INSTR_TYPE_DATA_MASK       GENMASK(1, 0)
> +#define      CQSPI_REG_RD_INSTR_DUMMY_MASK           GENMASK(4, 0)
> 
>  #define      CQSPI_REG_WR_INSTR                      0x08
>  #define      CQSPI_REG_WR_INSTR_OPCODE_LSB           0
> @@ -88,23 +88,23 @@
>  #define      CQSPI_REG_DELAY_TCHSH_LSB               8
>  #define      CQSPI_REG_DELAY_TSD2D_LSB               16
>  #define      CQSPI_REG_DELAY_TSHSL_LSB               24
> -#define      CQSPI_REG_DELAY_TSLCH_MASK              0xFF
> -#define      CQSPI_REG_DELAY_TCHSH_MASK              0xFF
> -#define      CQSPI_REG_DELAY_TSD2D_MASK              0xFF
> -#define      CQSPI_REG_DELAY_TSHSL_MASK              0xFF
> +#define      CQSPI_REG_DELAY_TSLCH_MASK              GENMASK(7, 0)
> +#define      CQSPI_REG_DELAY_TCHSH_MASK              GENMASK(7, 0)
> +#define      CQSPI_REG_DELAY_TSD2D_MASK              GENMASK(7, 0)
> +#define      CQSPI_REG_DELAY_TSHSL_MASK              GENMASK(7, 0)
> 
>  #define      CQSPI_READLCAPTURE                      0x10
>  #define      CQSPI_READLCAPTURE_BYPASS_LSB           0
>  #define      CQSPI_READLCAPTURE_DELAY_LSB            1
> -#define      CQSPI_READLCAPTURE_DELAY_MASK           0xF
> +#define      CQSPI_READLCAPTURE_DELAY_MASK           GENMASK(3, 0)
> 
>  #define      CQSPI_REG_SIZE                          0x14
>  #define      CQSPI_REG_SIZE_ADDRESS_LSB              0
>  #define      CQSPI_REG_SIZE_PAGE_LSB                 4
>  #define      CQSPI_REG_SIZE_BLOCK_LSB                16
> -#define      CQSPI_REG_SIZE_ADDRESS_MASK             0xF
> -#define      CQSPI_REG_SIZE_PAGE_MASK                0xFFF
> -#define      CQSPI_REG_SIZE_BLOCK_MASK               0x3F
> +#define      CQSPI_REG_SIZE_ADDRESS_MASK             GENMASK(3, 0)
> +#define      CQSPI_REG_SIZE_PAGE_MASK                GENMASK(11, 0)
> +#define      CQSPI_REG_SIZE_BLOCK_MASK               GENMASK(5, 0)
> 
>  #define      CQSPI_REG_SRAMPARTITION                 0x18
>  #define      CQSPI_REG_INDIRECTTRIGGER               0x1C
> @@ -115,8 +115,8 @@
>  #define      CQSPI_REG_SDRAMLEVEL                    0x2C
>  #define      CQSPI_REG_SDRAMLEVEL_RD_LSB             0
>  #define      CQSPI_REG_SDRAMLEVEL_WR_LSB             16
> -#define      CQSPI_REG_SDRAMLEVEL_RD_MASK            0xFFFF
> -#define      CQSPI_REG_SDRAMLEVEL_WR_MASK            0xFFFF
> +#define      CQSPI_REG_SDRAMLEVEL_RD_MASK            GENMASK(15, 0)
> +#define      CQSPI_REG_SDRAMLEVEL_WR_MASK            GENMASK(15, 0)
> 
>  #define      CQSPI_REG_IRQSTATUS                     0x40
>  #define      CQSPI_REG_IRQMASK                       0x44
> @@ -142,11 +142,11 @@
>  #define      CQSPI_REG_CMDCTRL_RD_BYTES_LSB          20
>  #define      CQSPI_REG_CMDCTRL_RD_EN_LSB             23
>  #define      CQSPI_REG_CMDCTRL_OPCODE_LSB            24
> -#define      CQSPI_REG_CMDCTRL_DUMMY_MASK            0x1F
> -#define      CQSPI_REG_CMDCTRL_WR_BYTES_MASK         0x7
> -#define      CQSPI_REG_CMDCTRL_ADD_BYTES_MASK        0x3
> -#define      CQSPI_REG_CMDCTRL_RD_BYTES_MASK         0x7
> -#define      CQSPI_REG_CMDCTRL_OPCODE_MASK           0xFF
> +#define      CQSPI_REG_CMDCTRL_DUMMY_MASK            GENMASK(4, 0)
> +#define      CQSPI_REG_CMDCTRL_WR_BYTES_MASK         GENMASK(2, 0)
> +#define      CQSPI_REG_CMDCTRL_ADD_BYTES_MASK        GENMASK(1, 0)
> +#define      CQSPI_REG_CMDCTRL_RD_BYTES_MASK         GENMASK(2, 0)
> +#define      CQSPI_REG_CMDCTRL_OPCODE_MASK           GENMASK(7, 0)
> 
>  #define      CQSPI_REG_INDIRECTWR                    0x70
>  #define      CQSPI_REG_INDIRECTWR_START_MASK         BIT(0)
> @@ -463,7 +463,7 @@ void cadence_qspi_apb_chipselect(void *reg_base,
>                * CS2 to 4b'1011
>                * CS3 to 4b'0111
>                */
> -             chip_select = 0xF & ~(1 << chip_select);
> +             chip_select = GENMASK(3, 0) & ~(1 << chip_select);

Again, this only makes things more cryptic for no good reason. NAK
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