Hi Niklas,

Thank you for the patch.

On Friday 11 Nov 2016 21:30:19 Niklas Söderlund wrote:
> From: Niklas Söderlund <niklas.soderlund+rene...@ragnatech.se>
> 
> There is a bug in the r8a7795 bias code where a WARN() is trigged
> anytime a pin from PUEN0/PUD0is accessed.
> 
>  # cat /sys/kernel/debug/pinctrl/e6060000.pfc/pinconf-pins
> 
>  WARNING: CPU: 2 PID: 2391 at drivers/pinctrl/sh-pfc/pfc-r8a7795.c:5364
> r8a7795_pinmux_get_bias+0xbc/0xc8 [..]
>  Call trace:
>  [<ffff0000083c442c>] r8a7795_pinmux_get_bias+0xbc/0xc8
>  [<ffff0000083c37f4>] sh_pfc_pinconf_get+0x194/0x270
>  [<ffff0000083b0768>] pin_config_get_for_pin+0x20/0x30
>  [<ffff0000083b11e8>] pinconf_generic_dump_one+0x168/0x188
>  [<ffff0000083b144c>] pinconf_generic_dump_pins+0x5c/0x98
>  [<ffff0000083b0628>] pinconf_pins_show+0xc8/0x128
>  [<ffff0000081fe3bc>] seq_read+0x16c/0x420
>  [<ffff00000831a110>] full_proxy_read+0x58/0x88
>  [<ffff0000081d7ad4>] __vfs_read+0x1c/0xf8
>  [<ffff0000081d8874>] vfs_read+0x84/0x148
>  [<ffff0000081d9d64>] SyS_read+0x44/0xa0
>  [<ffff000008082f4c>] __sys_trace_return+0x0/0x4
> 
> This is due to the WARN() check if the reg field of the pullups struct
> is zero, and this should be 0 for pins controlled by the PUEN0/PUD0
> registers since PU0 is defined as 0. Change the data structure and use
> the generic sh_pfc_pin_to_bias_info() function to get the register
> offset and bit information.
> 
> Fixes: 560655247b627ac7 ("pinctrl: sh-pfc: r8a7795: Add bias pinconf
> support")
> Signed-off-by: Niklas Söderlund <niklas.soderlund+rene...@ragnatech.se>
> ---
>  drivers/pinctrl/sh-pfc/pfc-r8a7795.c | 341 ++++++++++++++------------------
>  1 file changed, 170 insertions(+), 171 deletions(-)
> 
> diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
> b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c index 6c58563..01ca592 100644
> --- a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
> +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
> @@ -5188,171 +5188,168 @@ static int r8a7795_pin_to_pocctrl(struct sh_pfc
> *pfc, unsigned int pin, u32 *poc #define PU5  0x14
>  #define PU6  0x18
> 
> -static const struct {
> -     u16 reg : 11;
> -     u16 bit : 5;
> -} pullups[] = {
> -     [RCAR_GP_PIN(2, 11)] = { PU0, 31 },     /* AVB_PHY_INT */
> -     [RCAR_GP_PIN(2, 10)] = { PU0, 30 },     /* AVB_MAGIC */
> -     [RCAR_GP_PIN(2,  9)] = { PU0, 29 },     /* AVB_MDC */
> -
> -     [RCAR_GP_PIN(1, 19)] = { PU1, 31 },     /* A19 */
> -     [RCAR_GP_PIN(1, 18)] = { PU1, 30 },     /* A18 */
> -     [RCAR_GP_PIN(1, 17)] = { PU1, 29 },     /* A17 */
> -     [RCAR_GP_PIN(1, 16)] = { PU1, 28 },     /* A16 */
> -     [RCAR_GP_PIN(1, 15)] = { PU1, 27 },     /* A15 */
> -     [RCAR_GP_PIN(1, 14)] = { PU1, 26 },     /* A14 */
> -     [RCAR_GP_PIN(1, 13)] = { PU1, 25 },     /* A13 */
> -     [RCAR_GP_PIN(1, 12)] = { PU1, 24 },     /* A12 */
> -     [RCAR_GP_PIN(1, 11)] = { PU1, 23 },     /* A11 */
> -     [RCAR_GP_PIN(1, 10)] = { PU1, 22 },     /* A10 */
> -     [RCAR_GP_PIN(1,  9)] = { PU1, 21 },     /* A9 */
> -     [RCAR_GP_PIN(1,  8)] = { PU1, 20 },     /* A8 */
> -     [RCAR_GP_PIN(1,  7)] = { PU1, 19 },     /* A7 */
> -     [RCAR_GP_PIN(1,  6)] = { PU1, 18 },     /* A6 */
> -     [RCAR_GP_PIN(1,  5)] = { PU1, 17 },     /* A5 */
> -     [RCAR_GP_PIN(1,  4)] = { PU1, 16 },     /* A4 */
> -     [RCAR_GP_PIN(1,  3)] = { PU1, 15 },     /* A3 */
> -     [RCAR_GP_PIN(1,  2)] = { PU1, 14 },     /* A2 */
> -     [RCAR_GP_PIN(1,  1)] = { PU1, 13 },     /* A1 */
> -     [RCAR_GP_PIN(1,  0)] = { PU1, 12 },     /* A0 */
> -     [RCAR_GP_PIN(2,  8)] = { PU1, 11 },     /* PWM2_A */
> -     [RCAR_GP_PIN(2,  7)] = { PU1, 10 },     /* PWM1_A */
> -     [RCAR_GP_PIN(2,  6)] = { PU1,  9 },     /* PWM0 */
> -     [RCAR_GP_PIN(2,  5)] = { PU1,  8 },     /* IRQ5 */
> -     [RCAR_GP_PIN(2,  4)] = { PU1,  7 },     /* IRQ4 */
> -     [RCAR_GP_PIN(2,  3)] = { PU1,  6 },     /* IRQ3 */
> -     [RCAR_GP_PIN(2,  2)] = { PU1,  5 },     /* IRQ2 */
> -     [RCAR_GP_PIN(2,  1)] = { PU1,  4 },     /* IRQ1 */
> -     [RCAR_GP_PIN(2,  0)] = { PU1,  3 },     /* IRQ0 */
> -     [RCAR_GP_PIN(2, 14)] = { PU1,  2 },     /* AVB_AVTP_CAPTURE_A */
> -     [RCAR_GP_PIN(2, 13)] = { PU1,  1 },     /* AVB_AVTP_MATCH_A */
> -     [RCAR_GP_PIN(2, 12)] = { PU1,  0 },     /* AVB_LINK */
> -
> -     [RCAR_GP_PIN(7,  3)] = { PU2, 29 },     /* HDMI1_CEC */
> -     [RCAR_GP_PIN(7,  2)] = { PU2, 28 },     /* HDMI0_CEC */
> -     [RCAR_GP_PIN(7,  1)] = { PU2, 27 },     /* AVS2 */
> -     [RCAR_GP_PIN(7,  0)] = { PU2, 26 },     /* AVS1 */
> -     [RCAR_GP_PIN(0, 15)] = { PU2, 25 },     /* D15 */
> -     [RCAR_GP_PIN(0, 14)] = { PU2, 24 },     /* D14 */
> -     [RCAR_GP_PIN(0, 13)] = { PU2, 23 },     /* D13 */
> -     [RCAR_GP_PIN(0, 12)] = { PU2, 22 },     /* D12 */
> -     [RCAR_GP_PIN(0, 11)] = { PU2, 21 },     /* D11 */
> -     [RCAR_GP_PIN(0, 10)] = { PU2, 20 },     /* D10 */
> -     [RCAR_GP_PIN(0,  9)] = { PU2, 19 },     /* D9 */
> -     [RCAR_GP_PIN(0,  8)] = { PU2, 18 },     /* D8 */
> -     [RCAR_GP_PIN(0,  7)] = { PU2, 17 },     /* D7 */
> -     [RCAR_GP_PIN(0,  6)] = { PU2, 16 },     /* D6 */
> -     [RCAR_GP_PIN(0,  5)] = { PU2, 15 },     /* D5 */
> -     [RCAR_GP_PIN(0,  4)] = { PU2, 14 },     /* D4 */
> -     [RCAR_GP_PIN(0,  3)] = { PU2, 13 },     /* D3 */
> -     [RCAR_GP_PIN(0,  2)] = { PU2, 12 },     /* D2 */
> -     [RCAR_GP_PIN(0,  1)] = { PU2, 11 },     /* D1 */
> -     [RCAR_GP_PIN(0,  0)] = { PU2, 10 },     /* D0 */
> -     [RCAR_GP_PIN(1, 27)] = { PU2,  8 },     /* EX_WAIT0_A */
> -     [RCAR_GP_PIN(1, 26)] = { PU2,  7 },     /* WE1_N */
> -     [RCAR_GP_PIN(1, 25)] = { PU2,  6 },     /* WE0_N */
> -     [RCAR_GP_PIN(1, 24)] = { PU2,  5 },     /* RD_WR_N */
> -     [RCAR_GP_PIN(1, 23)] = { PU2,  4 },     /* RD_N */
> -     [RCAR_GP_PIN(1, 22)] = { PU2,  3 },     /* BS_N */
> -     [RCAR_GP_PIN(1, 21)] = { PU2,  2 },     /* CS1_N_A26 */
> -     [RCAR_GP_PIN(1, 20)] = { PU2,  1 },     /* CS0_N */
> -
> -     [RCAR_GP_PIN(4,  9)] = { PU3, 31 },     /* SD3_DAT0 */
> -     [RCAR_GP_PIN(4,  8)] = { PU3, 30 },     /* SD3_CMD */
> -     [RCAR_GP_PIN(4,  7)] = { PU3, 29 },     /* SD3_CLK */
> -     [RCAR_GP_PIN(4,  6)] = { PU3, 28 },     /* SD2_DS */
> -     [RCAR_GP_PIN(4,  5)] = { PU3, 27 },     /* SD2_DAT3 */
> -     [RCAR_GP_PIN(4,  4)] = { PU3, 26 },     /* SD2_DAT2 */
> -     [RCAR_GP_PIN(4,  3)] = { PU3, 25 },     /* SD2_DAT1 */
> -     [RCAR_GP_PIN(4,  2)] = { PU3, 24 },     /* SD2_DAT0 */
> -     [RCAR_GP_PIN(4,  1)] = { PU3, 23 },     /* SD2_CMD */
> -     [RCAR_GP_PIN(4,  0)] = { PU3, 22 },     /* SD2_CLK */
> -     [RCAR_GP_PIN(3, 11)] = { PU3, 21 },     /* SD1_DAT3 */
> -     [RCAR_GP_PIN(3, 10)] = { PU3, 20 },     /* SD1_DAT2 */
> -     [RCAR_GP_PIN(3,  9)] = { PU3, 19 },     /* SD1_DAT1 */
> -     [RCAR_GP_PIN(3,  8)] = { PU3, 18 },     /* SD1_DAT0 */
> -     [RCAR_GP_PIN(3,  7)] = { PU3, 17 },     /* SD1_CMD */
> -     [RCAR_GP_PIN(3,  6)] = { PU3, 16 },     /* SD1_CLK */
> -     [RCAR_GP_PIN(3,  5)] = { PU3, 15 },     /* SD0_DAT3 */
> -     [RCAR_GP_PIN(3,  4)] = { PU3, 14 },     /* SD0_DAT2 */
> -     [RCAR_GP_PIN(3,  3)] = { PU3, 13 },     /* SD0_DAT1 */
> -     [RCAR_GP_PIN(3,  2)] = { PU3, 12 },     /* SD0_DAT0 */
> -     [RCAR_GP_PIN(3,  1)] = { PU3, 11 },     /* SD0_CMD */
> -     [RCAR_GP_PIN(3,  0)] = { PU3, 10 },     /* SD0_CLK */
> -
> -     [RCAR_GP_PIN(5, 19)] = { PU4, 31 },     /* MSIOF0_SS1 */
> -     [RCAR_GP_PIN(5, 18)] = { PU4, 30 },     /* MSIOF0_SYNC */
> -     [RCAR_GP_PIN(5, 17)] = { PU4, 29 },     /* MSIOF0_SCK */
> -     [RCAR_GP_PIN(5, 16)] = { PU4, 28 },     /* HRTS0_N */
> -     [RCAR_GP_PIN(5, 15)] = { PU4, 27 },     /* HCTS0_N */
> -     [RCAR_GP_PIN(5, 14)] = { PU4, 26 },     /* HTX0 */
> -     [RCAR_GP_PIN(5, 13)] = { PU4, 25 },     /* HRX0 */
> -     [RCAR_GP_PIN(5, 12)] = { PU4, 24 },     /* HSCK0 */
> -     [RCAR_GP_PIN(5, 11)] = { PU4, 23 },     /* RX2_A */
> -     [RCAR_GP_PIN(5, 10)] = { PU4, 22 },     /* TX2_A */
> -     [RCAR_GP_PIN(5,  9)] = { PU4, 21 },     /* SCK2 */
> -     [RCAR_GP_PIN(5,  8)] = { PU4, 20 },     /* RTS1_N_TANS */
> -     [RCAR_GP_PIN(5,  7)] = { PU4, 19 },     /* CTS1_N */
> -     [RCAR_GP_PIN(5,  6)] = { PU4, 18 },     /* TX1_A */
> -     [RCAR_GP_PIN(5,  5)] = { PU4, 17 },     /* RX1_A */
> -     [RCAR_GP_PIN(5,  4)] = { PU4, 16 },     /* RTS0_N_TANS */
> -     [RCAR_GP_PIN(5,  3)] = { PU4, 15 },     /* CTS0_N */
> -     [RCAR_GP_PIN(5,  2)] = { PU4, 14 },     /* TX0 */
> -     [RCAR_GP_PIN(5,  1)] = { PU4, 13 },     /* RX0 */
> -     [RCAR_GP_PIN(5,  0)] = { PU4, 12 },     /* SCK0 */
> -     [RCAR_GP_PIN(3, 15)] = { PU4, 11 },     /* SD1_WP */
> -     [RCAR_GP_PIN(3, 14)] = { PU4, 10 },     /* SD1_CD */
> -     [RCAR_GP_PIN(3, 13)] = { PU4,  9 },     /* SD0_WP */
> -     [RCAR_GP_PIN(3, 12)] = { PU4,  8 },     /* SD0_CD */
> -     [RCAR_GP_PIN(4, 17)] = { PU4,  7 },     /* SD3_DS */
> -     [RCAR_GP_PIN(4, 16)] = { PU4,  6 },     /* SD3_DAT7 */
> -     [RCAR_GP_PIN(4, 15)] = { PU4,  5 },     /* SD3_DAT6 */
> -     [RCAR_GP_PIN(4, 14)] = { PU4,  4 },     /* SD3_DAT5 */
> -     [RCAR_GP_PIN(4, 13)] = { PU4,  3 },     /* SD3_DAT4 */
> -     [RCAR_GP_PIN(4, 12)] = { PU4,  2 },     /* SD3_DAT3 */
> -     [RCAR_GP_PIN(4, 11)] = { PU4,  1 },     /* SD3_DAT2 */
> -     [RCAR_GP_PIN(4, 10)] = { PU4,  0 },     /* SD3_DAT1 */
> -
> -     [RCAR_GP_PIN(6, 24)] = { PU5, 31 },     /* USB0_PWEN */
> -     [RCAR_GP_PIN(6, 23)] = { PU5, 30 },     /* AUDIO_CLKB_B */
> -     [RCAR_GP_PIN(6, 22)] = { PU5, 29 },     /* AUDIO_CLKA_A */
> -     [RCAR_GP_PIN(6, 21)] = { PU5, 28 },     /* SSI_SDATA9_A */
> -     [RCAR_GP_PIN(6, 20)] = { PU5, 27 },     /* SSI_SDATA8 */
> -     [RCAR_GP_PIN(6, 19)] = { PU5, 26 },     /* SSI_SDATA7 */
> -     [RCAR_GP_PIN(6, 18)] = { PU5, 25 },     /* SSI_WS78 */
> -     [RCAR_GP_PIN(6, 17)] = { PU5, 24 },     /* SSI_SCK78 */
> -     [RCAR_GP_PIN(6, 16)] = { PU5, 23 },     /* SSI_SDATA6 */
> -     [RCAR_GP_PIN(6, 15)] = { PU5, 22 },     /* SSI_WS6 */
> -     [RCAR_GP_PIN(6, 14)] = { PU5, 21 },     /* SSI_SCK6 */
> -     [RCAR_GP_PIN(6, 13)] = { PU5, 20 },     /* SSI_SDATA5 */
> -     [RCAR_GP_PIN(6, 12)] = { PU5, 19 },     /* SSI_WS5 */
> -     [RCAR_GP_PIN(6, 11)] = { PU5, 18 },     /* SSI_SCK5 */
> -     [RCAR_GP_PIN(6, 10)] = { PU5, 17 },     /* SSI_SDATA4 */
> -     [RCAR_GP_PIN(6,  9)] = { PU5, 16 },     /* SSI_WS4 */
> -     [RCAR_GP_PIN(6,  8)] = { PU5, 15 },     /* SSI_SCK4 */
> -     [RCAR_GP_PIN(6,  7)] = { PU5, 14 },     /* SSI_SDATA3 */
> -     [RCAR_GP_PIN(6,  6)] = { PU5, 13 },     /* SSI_WS34 */
> -     [RCAR_GP_PIN(6,  5)] = { PU5, 12 },     /* SSI_SCK34 */
> -     [RCAR_GP_PIN(6,  4)] = { PU5, 11 },     /* SSI_SDATA2_A */
> -     [RCAR_GP_PIN(6,  3)] = { PU5, 10 },     /* SSI_SDATA1_A */
> -     [RCAR_GP_PIN(6,  2)] = { PU5,  9 },     /* SSI_SDATA0 */
> -     [RCAR_GP_PIN(6,  1)] = { PU5,  8 },     /* SSI_WS01239 */
> -     [RCAR_GP_PIN(6,  0)] = { PU5,  7 },     /* SSI_SCK01239 */
> -     [RCAR_GP_PIN(5, 25)] = { PU5,  5 },     /* MLB_DAT */
> -     [RCAR_GP_PIN(5, 24)] = { PU5,  4 },     /* MLB_SIG */
> -     [RCAR_GP_PIN(5, 23)] = { PU5,  3 },     /* MLB_CLK */
> -     [RCAR_GP_PIN(5, 22)] = { PU5,  2 },     /* MSIOF0_RXD */
> -     [RCAR_GP_PIN(5, 21)] = { PU5,  1 },     /* MSIOF0_SS2 */
> -     [RCAR_GP_PIN(5, 20)] = { PU5,  0 },     /* MSIOF0_TXD */
> -
> -     [RCAR_GP_PIN(6, 31)] = { PU6,  6 },     /* USB31_OVC */
> -     [RCAR_GP_PIN(6, 30)] = { PU6,  5 },     /* USB31_PWEN */
> -     [RCAR_GP_PIN(6, 29)] = { PU6,  4 },     /* USB30_OVC */
> -     [RCAR_GP_PIN(6, 28)] = { PU6,  3 },     /* USB30_PWEN */
> -     [RCAR_GP_PIN(6, 27)] = { PU6,  2 },     /* USB1_OVC */
> -     [RCAR_GP_PIN(6, 26)] = { PU6,  1 },     /* USB1_PWEN */
> -     [RCAR_GP_PIN(6, 25)] = { PU6,  0 },     /* USB0_OVC */
> +static const struct sh_pfc_bias_info pullups[] = {

I haven't reviewed this table, I trust your regexp skills.

> +     { RCAR_GP_PIN(2, 11), PU0, 31 },        /* AVB_PHY_INT */
> +     { RCAR_GP_PIN(2, 10), PU0, 30 },        /* AVB_MAGIC */
> +     { RCAR_GP_PIN(2,  9), PU0, 29 },        /* AVB_MDC */
> +
> +     { RCAR_GP_PIN(1, 19), PU1, 31 },        /* A19 */
> +     { RCAR_GP_PIN(1, 18), PU1, 30 },        /* A18 */
> +     { RCAR_GP_PIN(1, 17), PU1, 29 },        /* A17 */
> +     { RCAR_GP_PIN(1, 16), PU1, 28 },        /* A16 */
> +     { RCAR_GP_PIN(1, 15), PU1, 27 },        /* A15 */
> +     { RCAR_GP_PIN(1, 14), PU1, 26 },        /* A14 */
> +     { RCAR_GP_PIN(1, 13), PU1, 25 },        /* A13 */
> +     { RCAR_GP_PIN(1, 12), PU1, 24 },        /* A12 */
> +     { RCAR_GP_PIN(1, 11), PU1, 23 },        /* A11 */
> +     { RCAR_GP_PIN(1, 10), PU1, 22 },        /* A10 */
> +     { RCAR_GP_PIN(1,  9), PU1, 21 },        /* A9 */
> +     { RCAR_GP_PIN(1,  8), PU1, 20 },        /* A8 */
> +     { RCAR_GP_PIN(1,  7), PU1, 19 },        /* A7 */
> +     { RCAR_GP_PIN(1,  6), PU1, 18 },        /* A6 */
> +     { RCAR_GP_PIN(1,  5), PU1, 17 },        /* A5 */
> +     { RCAR_GP_PIN(1,  4), PU1, 16 },        /* A4 */
> +     { RCAR_GP_PIN(1,  3), PU1, 15 },        /* A3 */
> +     { RCAR_GP_PIN(1,  2), PU1, 14 },        /* A2 */
> +     { RCAR_GP_PIN(1,  1), PU1, 13 },        /* A1 */
> +     { RCAR_GP_PIN(1,  0), PU1, 12 },        /* A0 */
> +     { RCAR_GP_PIN(2,  8), PU1, 11 },        /* PWM2_A */
> +     { RCAR_GP_PIN(2,  7), PU1, 10 },        /* PWM1_A */
> +     { RCAR_GP_PIN(2,  6), PU1,  9 },        /* PWM0 */
> +     { RCAR_GP_PIN(2,  5), PU1,  8 },        /* IRQ5 */
> +     { RCAR_GP_PIN(2,  4), PU1,  7 },        /* IRQ4 */
> +     { RCAR_GP_PIN(2,  3), PU1,  6 },        /* IRQ3 */
> +     { RCAR_GP_PIN(2,  2), PU1,  5 },        /* IRQ2 */
> +     { RCAR_GP_PIN(2,  1), PU1,  4 },        /* IRQ1 */
> +     { RCAR_GP_PIN(2,  0), PU1,  3 },        /* IRQ0 */
> +     { RCAR_GP_PIN(2, 14), PU1,  2 },        /* AVB_AVTP_CAPTURE_A */
> +     { RCAR_GP_PIN(2, 13), PU1,  1 },        /* AVB_AVTP_MATCH_A */
> +     { RCAR_GP_PIN(2, 12), PU1,  0 },        /* AVB_LINK */
> +
> +     { RCAR_GP_PIN(7,  3), PU2, 29 },        /* HDMI1_CEC */
> +     { RCAR_GP_PIN(7,  2), PU2, 28 },        /* HDMI0_CEC */
> +     { RCAR_GP_PIN(7,  1), PU2, 27 },        /* AVS2 */
> +     { RCAR_GP_PIN(7,  0), PU2, 26 },        /* AVS1 */
> +     { RCAR_GP_PIN(0, 15), PU2, 25 },        /* D15 */
> +     { RCAR_GP_PIN(0, 14), PU2, 24 },        /* D14 */
> +     { RCAR_GP_PIN(0, 13), PU2, 23 },        /* D13 */
> +     { RCAR_GP_PIN(0, 12), PU2, 22 },        /* D12 */
> +     { RCAR_GP_PIN(0, 11), PU2, 21 },        /* D11 */
> +     { RCAR_GP_PIN(0, 10), PU2, 20 },        /* D10 */
> +     { RCAR_GP_PIN(0,  9), PU2, 19 },        /* D9 */
> +     { RCAR_GP_PIN(0,  8), PU2, 18 },        /* D8 */
> +     { RCAR_GP_PIN(0,  7), PU2, 17 },        /* D7 */
> +     { RCAR_GP_PIN(0,  6), PU2, 16 },        /* D6 */
> +     { RCAR_GP_PIN(0,  5), PU2, 15 },        /* D5 */
> +     { RCAR_GP_PIN(0,  4), PU2, 14 },        /* D4 */
> +     { RCAR_GP_PIN(0,  3), PU2, 13 },        /* D3 */
> +     { RCAR_GP_PIN(0,  2), PU2, 12 },        /* D2 */
> +     { RCAR_GP_PIN(0,  1), PU2, 11 },        /* D1 */
> +     { RCAR_GP_PIN(0,  0), PU2, 10 },        /* D0 */
> +     { RCAR_GP_PIN(1, 27), PU2,  8 },        /* EX_WAIT0_A */
> +     { RCAR_GP_PIN(1, 26), PU2,  7 },        /* WE1_N */
> +     { RCAR_GP_PIN(1, 25), PU2,  6 },        /* WE0_N */
> +     { RCAR_GP_PIN(1, 24), PU2,  5 },        /* RD_WR_N */
> +     { RCAR_GP_PIN(1, 23), PU2,  4 },        /* RD_N */
> +     { RCAR_GP_PIN(1, 22), PU2,  3 },        /* BS_N */
> +     { RCAR_GP_PIN(1, 21), PU2,  2 },        /* CS1_N_A26 */
> +     { RCAR_GP_PIN(1, 20), PU2,  1 },        /* CS0_N */
> +
> +     { RCAR_GP_PIN(4,  9), PU3, 31 },        /* SD3_DAT0 */
> +     { RCAR_GP_PIN(4,  8), PU3, 30 },        /* SD3_CMD */
> +     { RCAR_GP_PIN(4,  7), PU3, 29 },        /* SD3_CLK */
> +     { RCAR_GP_PIN(4,  6), PU3, 28 },        /* SD2_DS */
> +     { RCAR_GP_PIN(4,  5), PU3, 27 },        /* SD2_DAT3 */
> +     { RCAR_GP_PIN(4,  4), PU3, 26 },        /* SD2_DAT2 */
> +     { RCAR_GP_PIN(4,  3), PU3, 25 },        /* SD2_DAT1 */
> +     { RCAR_GP_PIN(4,  2), PU3, 24 },        /* SD2_DAT0 */
> +     { RCAR_GP_PIN(4,  1), PU3, 23 },        /* SD2_CMD */
> +     { RCAR_GP_PIN(4,  0), PU3, 22 },        /* SD2_CLK */
> +     { RCAR_GP_PIN(3, 11), PU3, 21 },        /* SD1_DAT3 */
> +     { RCAR_GP_PIN(3, 10), PU3, 20 },        /* SD1_DAT2 */
> +     { RCAR_GP_PIN(3,  9), PU3, 19 },        /* SD1_DAT1 */
> +     { RCAR_GP_PIN(3,  8), PU3, 18 },        /* SD1_DAT0 */
> +     { RCAR_GP_PIN(3,  7), PU3, 17 },        /* SD1_CMD */
> +     { RCAR_GP_PIN(3,  6), PU3, 16 },        /* SD1_CLK */
> +     { RCAR_GP_PIN(3,  5), PU3, 15 },        /* SD0_DAT3 */
> +     { RCAR_GP_PIN(3,  4), PU3, 14 },        /* SD0_DAT2 */
> +     { RCAR_GP_PIN(3,  3), PU3, 13 },        /* SD0_DAT1 */
> +     { RCAR_GP_PIN(3,  2), PU3, 12 },        /* SD0_DAT0 */
> +     { RCAR_GP_PIN(3,  1), PU3, 11 },        /* SD0_CMD */
> +     { RCAR_GP_PIN(3,  0), PU3, 10 },        /* SD0_CLK */
> +
> +     { RCAR_GP_PIN(5, 19), PU4, 31 },        /* MSIOF0_SS1 */
> +     { RCAR_GP_PIN(5, 18), PU4, 30 },        /* MSIOF0_SYNC */
> +     { RCAR_GP_PIN(5, 17), PU4, 29 },        /* MSIOF0_SCK */
> +     { RCAR_GP_PIN(5, 16), PU4, 28 },        /* HRTS0_N */
> +     { RCAR_GP_PIN(5, 15), PU4, 27 },        /* HCTS0_N */
> +     { RCAR_GP_PIN(5, 14), PU4, 26 },        /* HTX0 */
> +     { RCAR_GP_PIN(5, 13), PU4, 25 },        /* HRX0 */
> +     { RCAR_GP_PIN(5, 12), PU4, 24 },        /* HSCK0 */
> +     { RCAR_GP_PIN(5, 11), PU4, 23 },        /* RX2_A */
> +     { RCAR_GP_PIN(5, 10), PU4, 22 },        /* TX2_A */
> +     { RCAR_GP_PIN(5,  9), PU4, 21 },        /* SCK2 */
> +     { RCAR_GP_PIN(5,  8), PU4, 20 },        /* RTS1_N_TANS */
> +     { RCAR_GP_PIN(5,  7), PU4, 19 },        /* CTS1_N */
> +     { RCAR_GP_PIN(5,  6), PU4, 18 },        /* TX1_A */
> +     { RCAR_GP_PIN(5,  5), PU4, 17 },        /* RX1_A */
> +     { RCAR_GP_PIN(5,  4), PU4, 16 },        /* RTS0_N_TANS */
> +     { RCAR_GP_PIN(5,  3), PU4, 15 },        /* CTS0_N */
> +     { RCAR_GP_PIN(5,  2), PU4, 14 },        /* TX0 */
> +     { RCAR_GP_PIN(5,  1), PU4, 13 },        /* RX0 */
> +     { RCAR_GP_PIN(5,  0), PU4, 12 },        /* SCK0 */
> +     { RCAR_GP_PIN(3, 15), PU4, 11 },        /* SD1_WP */
> +     { RCAR_GP_PIN(3, 14), PU4, 10 },        /* SD1_CD */
> +     { RCAR_GP_PIN(3, 13), PU4,  9 },        /* SD0_WP */
> +     { RCAR_GP_PIN(3, 12), PU4,  8 },        /* SD0_CD */
> +     { RCAR_GP_PIN(4, 17), PU4,  7 },        /* SD3_DS */
> +     { RCAR_GP_PIN(4, 16), PU4,  6 },        /* SD3_DAT7 */
> +     { RCAR_GP_PIN(4, 15), PU4,  5 },        /* SD3_DAT6 */
> +     { RCAR_GP_PIN(4, 14), PU4,  4 },        /* SD3_DAT5 */
> +     { RCAR_GP_PIN(4, 13), PU4,  3 },        /* SD3_DAT4 */
> +     { RCAR_GP_PIN(4, 12), PU4,  2 },        /* SD3_DAT3 */
> +     { RCAR_GP_PIN(4, 11), PU4,  1 },        /* SD3_DAT2 */
> +     { RCAR_GP_PIN(4, 10), PU4,  0 },        /* SD3_DAT1 */
> +
> +     { RCAR_GP_PIN(6, 24), PU5, 31 },        /* USB0_PWEN */
> +     { RCAR_GP_PIN(6, 23), PU5, 30 },        /* AUDIO_CLKB_B */
> +     { RCAR_GP_PIN(6, 22), PU5, 29 },        /* AUDIO_CLKA_A */
> +     { RCAR_GP_PIN(6, 21), PU5, 28 },        /* SSI_SDATA9_A */
> +     { RCAR_GP_PIN(6, 20), PU5, 27 },        /* SSI_SDATA8 */
> +     { RCAR_GP_PIN(6, 19), PU5, 26 },        /* SSI_SDATA7 */
> +     { RCAR_GP_PIN(6, 18), PU5, 25 },        /* SSI_WS78 */
> +     { RCAR_GP_PIN(6, 17), PU5, 24 },        /* SSI_SCK78 */
> +     { RCAR_GP_PIN(6, 16), PU5, 23 },        /* SSI_SDATA6 */
> +     { RCAR_GP_PIN(6, 15), PU5, 22 },        /* SSI_WS6 */
> +     { RCAR_GP_PIN(6, 14), PU5, 21 },        /* SSI_SCK6 */
> +     { RCAR_GP_PIN(6, 13), PU5, 20 },        /* SSI_SDATA5 */
> +     { RCAR_GP_PIN(6, 12), PU5, 19 },        /* SSI_WS5 */
> +     { RCAR_GP_PIN(6, 11), PU5, 18 },        /* SSI_SCK5 */
> +     { RCAR_GP_PIN(6, 10), PU5, 17 },        /* SSI_SDATA4 */
> +     { RCAR_GP_PIN(6,  9), PU5, 16 },        /* SSI_WS4 */
> +     { RCAR_GP_PIN(6,  8), PU5, 15 },        /* SSI_SCK4 */
> +     { RCAR_GP_PIN(6,  7), PU5, 14 },        /* SSI_SDATA3 */
> +     { RCAR_GP_PIN(6,  6), PU5, 13 },        /* SSI_WS34 */
> +     { RCAR_GP_PIN(6,  5), PU5, 12 },        /* SSI_SCK34 */
> +     { RCAR_GP_PIN(6,  4), PU5, 11 },        /* SSI_SDATA2_A */
> +     { RCAR_GP_PIN(6,  3), PU5, 10 },        /* SSI_SDATA1_A */
> +     { RCAR_GP_PIN(6,  2), PU5,  9 },        /* SSI_SDATA0 */
> +     { RCAR_GP_PIN(6,  1), PU5,  8 },        /* SSI_WS01239 */
> +     { RCAR_GP_PIN(6,  0), PU5,  7 },        /* SSI_SCK01239 */
> +     { RCAR_GP_PIN(5, 25), PU5,  5 },        /* MLB_DAT */
> +     { RCAR_GP_PIN(5, 24), PU5,  4 },        /* MLB_SIG */
> +     { RCAR_GP_PIN(5, 23), PU5,  3 },        /* MLB_CLK */
> +     { RCAR_GP_PIN(5, 22), PU5,  2 },        /* MSIOF0_RXD */
> +     { RCAR_GP_PIN(5, 21), PU5,  1 },        /* MSIOF0_SS2 */
> +     { RCAR_GP_PIN(5, 20), PU5,  0 },        /* MSIOF0_TXD */
> +
> +     { RCAR_GP_PIN(6, 31), PU6,  6 },        /* USB31_OVC */
> +     { RCAR_GP_PIN(6, 30), PU6,  5 },        /* USB31_PWEN */
> +     { RCAR_GP_PIN(6, 29), PU6,  4 },        /* USB30_OVC */
> +     { RCAR_GP_PIN(6, 28), PU6,  3 },        /* USB30_PWEN */
> +     { RCAR_GP_PIN(6, 27), PU6,  2 },        /* USB1_OVC */
> +     { RCAR_GP_PIN(6, 26), PU6,  1 },        /* USB1_PWEN */
> +     { RCAR_GP_PIN(6, 25), PU6,  0 },        /* USB0_OVC */
>  };
> 
>  static unsigned int r8a7795_pinmux_get_bias(struct sh_pfc *pfc,
> @@ -5360,12 +5357,13 @@ static unsigned int r8a7795_pinmux_get_bias(struct
> sh_pfc *pfc, {
>       u32 reg;
>       u32 bit;
> +     struct sh_pfc_bias_info info;

Nitpicking, why am I the only one to find the code more readable when long 
variable declarations come before short ones ? :-)

> 
> -     if (WARN_ON_ONCE(!pullups[pin].reg))
> +     if (sh_pfc_pin_to_bias_info(pullups, ARRAY_SIZE(pullups), pin, &info))
>               return PIN_CONFIG_BIAS_DISABLE;

The implementation will change slightly if you follow my advice regarding 
patch 2/6.

The same comments apply to the set_bias function below too, and to patch 5/6 
in this series (except for the variable declaration ordering that you got 
right there :-)).

Apart from that, for 4/6 and 5/6,

Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>

> 
> -     reg = pullups[pin].reg;
> -     bit = BIT(pullups[pin].bit);
> +     reg = info.reg;
> +     bit = BIT(info.bit);
> 
>       if (!(sh_pfc_read_reg(pfc, PUEN + reg, 32) & bit))
>               return PIN_CONFIG_BIAS_DISABLE;
> @@ -5381,12 +5379,13 @@ static void r8a7795_pinmux_set_bias(struct sh_pfc
> *pfc, unsigned int pin, u32 enable, updown;
>       u32 reg;
>       u32 bit;
> +     struct sh_pfc_bias_info info;
> 
> -     if (WARN_ON_ONCE(!pullups[pin].reg))
> +     if (sh_pfc_pin_to_bias_info(pullups, ARRAY_SIZE(pullups), pin, &info))
>               return;
> 
> -     reg = pullups[pin].reg;
> -     bit = BIT(pullups[pin].bit);
> +     reg = info.reg;
> +     bit = BIT(info.bit);
> 
>       enable = sh_pfc_read_reg(pfc, PUEN + reg, 32) & ~bit;
>       if (bias != PIN_CONFIG_BIAS_DISABLE)

-- 
Regards,

Laurent Pinchart

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