Re: [PATCH 1/3] mmc: atmel-mci: move atmel-mci-regs.h content in atmel-mci.c

From: Ulf Hansson
Date: Wed Nov 25 2015 - 11:34:01 EST

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On 23 November 2015 at 16:27, Ludovic Desroches
<ludovic.desroches@xxxxxxxxx> wrote:
> atmel-mci-regs.h is only included in atmel-mci.c so move its content in
> the driver and do some cleanup in these definitions to remove checkpatch
> errors.
>
> Signed-off-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>

Thanks, applied for next!

Kind regards
Uffe

> ---
> drivers/mmc/host/atmel-mci-regs.h | 171 --------------------------------------
> drivers/mmc/host/atmel-mci.c | 150 ++++++++++++++++++++++++++++++++-
> 2 files changed, 149 insertions(+), 172 deletions(-)
> delete mode 100644 drivers/mmc/host/atmel-mci-regs.h
>
> diff --git a/drivers/mmc/host/atmel-mci-regs.h b/drivers/mmc/host/atmel-mci-regs.h
> deleted file mode 100644
> index 0aa44e6..0000000
> --- a/drivers/mmc/host/atmel-mci-regs.h
> +++ /dev/null
> @@ -1,171 +0,0 @@
> -/*
> - * Atmel MultiMedia Card Interface driver
> - *
> - * Copyright (C) 2004-2006 Atmel Corporation
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License version 2 as
> - * published by the Free Software Foundation.
> - */
> -
> -/*
> - * Superset of MCI IP registers integrated in Atmel AVR32 and AT91 Processors
> - * Registers and bitfields marked with [2] are only available in MCI2
> - */
> -
> -#ifndef __DRIVERS_MMC_ATMEL_MCI_H__
> -#define __DRIVERS_MMC_ATMEL_MCI_H__
> -
> -/* MCI Register Definitions */
> -#define ATMCI_CR 0x0000 /* Control */
> -# define ATMCI_CR_MCIEN ( 1 << 0) /* MCI Enable */
> -# define ATMCI_CR_MCIDIS ( 1 << 1) /* MCI Disable */
> -# define ATMCI_CR_PWSEN ( 1 << 2) /* Power Save Enable */
> -# define ATMCI_CR_PWSDIS ( 1 << 3) /* Power Save Disable */
> -# define ATMCI_CR_SWRST ( 1 << 7) /* Software Reset */
> -#define ATMCI_MR 0x0004 /* Mode */
> -# define ATMCI_MR_CLKDIV(x) ((x) << 0) /* Clock Divider */
> -# define ATMCI_MR_PWSDIV(x) ((x) << 8) /* Power Saving Divider */
> -# define ATMCI_MR_RDPROOF ( 1 << 11) /* Read Proof */
> -# define ATMCI_MR_WRPROOF ( 1 << 12) /* Write Proof */
> -# define ATMCI_MR_PDCFBYTE ( 1 << 13) /* Force Byte Transfer */
> -# define ATMCI_MR_PDCPADV ( 1 << 14) /* Padding Value */
> -# define ATMCI_MR_PDCMODE ( 1 << 15) /* PDC-oriented Mode */
> -# define ATMCI_MR_CLKODD(x) ((x) << 16) /* LSB of Clock Divider */
> -#define ATMCI_DTOR 0x0008 /* Data Timeout */
> -# define ATMCI_DTOCYC(x) ((x) << 0) /* Data Timeout Cycles */
> -# define ATMCI_DTOMUL(x) ((x) << 4) /* Data Timeout Multiplier */
> -#define ATMCI_SDCR 0x000c /* SD Card / SDIO */
> -# define ATMCI_SDCSEL_SLOT_A ( 0 << 0) /* Select SD slot A */
> -# define ATMCI_SDCSEL_SLOT_B ( 1 << 0) /* Select SD slot A */
> -# define ATMCI_SDCSEL_MASK ( 3 << 0)
> -# define ATMCI_SDCBUS_1BIT ( 0 << 6) /* 1-bit data bus */
> -# define ATMCI_SDCBUS_4BIT ( 2 << 6) /* 4-bit data bus */
> -# define ATMCI_SDCBUS_8BIT ( 3 << 6) /* 8-bit data bus[2] */
> -# define ATMCI_SDCBUS_MASK ( 3 << 6)
> -#define ATMCI_ARGR 0x0010 /* Command Argument */
> -#define ATMCI_CMDR 0x0014 /* Command */
> -# define ATMCI_CMDR_CMDNB(x) ((x) << 0) /* Command Opcode */
> -# define ATMCI_CMDR_RSPTYP_NONE ( 0 << 6) /* No response */
> -# define ATMCI_CMDR_RSPTYP_48BIT ( 1 << 6) /* 48-bit response */
> -# define ATMCI_CMDR_RSPTYP_136BIT ( 2 << 6) /* 136-bit response */
> -# define ATMCI_CMDR_SPCMD_INIT ( 1 << 8) /* Initialization command */
> -# define ATMCI_CMDR_SPCMD_SYNC ( 2 << 8) /* Synchronized command */
> -# define ATMCI_CMDR_SPCMD_INT ( 4 << 8) /* Interrupt command */
> -# define ATMCI_CMDR_SPCMD_INTRESP ( 5 << 8) /* Interrupt response */
> -# define ATMCI_CMDR_OPDCMD ( 1 << 11) /* Open Drain */
> -# define ATMCI_CMDR_MAXLAT_5CYC ( 0 << 12) /* Max latency 5 cycles */
> -# define ATMCI_CMDR_MAXLAT_64CYC ( 1 << 12) /* Max latency 64 cycles */
> -# define ATMCI_CMDR_START_XFER ( 1 << 16) /* Start data transfer */
> -# define ATMCI_CMDR_STOP_XFER ( 2 << 16) /* Stop data transfer */
> -# define ATMCI_CMDR_TRDIR_WRITE ( 0 << 18) /* Write data */
> -# define ATMCI_CMDR_TRDIR_READ ( 1 << 18) /* Read data */
> -# define ATMCI_CMDR_BLOCK ( 0 << 19) /* Single-block transfer */
> -# define ATMCI_CMDR_MULTI_BLOCK ( 1 << 19) /* Multi-block transfer */
> -# define ATMCI_CMDR_STREAM ( 2 << 19) /* MMC Stream transfer */
> -# define ATMCI_CMDR_SDIO_BYTE ( 4 << 19) /* SDIO Byte transfer */
> -# define ATMCI_CMDR_SDIO_BLOCK ( 5 << 19) /* SDIO Block transfer */
> -# define ATMCI_CMDR_SDIO_SUSPEND ( 1 << 24) /* SDIO Suspend Command */
> -# define ATMCI_CMDR_SDIO_RESUME ( 2 << 24) /* SDIO Resume Command */
> -#define ATMCI_BLKR 0x0018 /* Block */
> -# define ATMCI_BCNT(x) ((x) << 0) /* Data Block Count */
> -# define ATMCI_BLKLEN(x) ((x) << 16) /* Data Block Length */
> -#define ATMCI_CSTOR 0x001c /* Completion Signal Timeout[2] */
> -# define ATMCI_CSTOCYC(x) ((x) << 0) /* CST cycles */
> -# define ATMCI_CSTOMUL(x) ((x) << 4) /* CST multiplier */
> -#define ATMCI_RSPR 0x0020 /* Response 0 */
> -#define ATMCI_RSPR1 0x0024 /* Response 1 */
> -#define ATMCI_RSPR2 0x0028 /* Response 2 */
> -#define ATMCI_RSPR3 0x002c /* Response 3 */
> -#define ATMCI_RDR 0x0030 /* Receive Data */
> -#define ATMCI_TDR 0x0034 /* Transmit Data */
> -#define ATMCI_SR 0x0040 /* Status */
> -#define ATMCI_IER 0x0044 /* Interrupt Enable */
> -#define ATMCI_IDR 0x0048 /* Interrupt Disable */
> -#define ATMCI_IMR 0x004c /* Interrupt Mask */
> -# define ATMCI_CMDRDY ( 1 << 0) /* Command Ready */
> -# define ATMCI_RXRDY ( 1 << 1) /* Receiver Ready */
> -# define ATMCI_TXRDY ( 1 << 2) /* Transmitter Ready */
> -# define ATMCI_BLKE ( 1 << 3) /* Data Block Ended */
> -# define ATMCI_DTIP ( 1 << 4) /* Data Transfer In Progress */
> -# define ATMCI_NOTBUSY ( 1 << 5) /* Data Not Busy */
> -# define ATMCI_ENDRX ( 1 << 6) /* End of RX Buffer */
> -# define ATMCI_ENDTX ( 1 << 7) /* End of TX Buffer */
> -# define ATMCI_SDIOIRQA ( 1 << 8) /* SDIO IRQ in slot A */
> -# define ATMCI_SDIOIRQB ( 1 << 9) /* SDIO IRQ in slot B */
> -# define ATMCI_SDIOWAIT ( 1 << 12) /* SDIO Read Wait Operation Status */
> -# define ATMCI_CSRCV ( 1 << 13) /* CE-ATA Completion Signal Received */
> -# define ATMCI_RXBUFF ( 1 << 14) /* RX Buffer Full */
> -# define ATMCI_TXBUFE ( 1 << 15) /* TX Buffer Empty */
> -# define ATMCI_RINDE ( 1 << 16) /* Response Index Error */
> -# define ATMCI_RDIRE ( 1 << 17) /* Response Direction Error */
> -# define ATMCI_RCRCE ( 1 << 18) /* Response CRC Error */
> -# define ATMCI_RENDE ( 1 << 19) /* Response End Bit Error */
> -# define ATMCI_RTOE ( 1 << 20) /* Response Time-Out Error */
> -# define ATMCI_DCRCE ( 1 << 21) /* Data CRC Error */
> -# define ATMCI_DTOE ( 1 << 22) /* Data Time-Out Error */
> -# define ATMCI_CSTOE ( 1 << 23) /* Completion Signal Time-out Error */
> -# define ATMCI_BLKOVRE ( 1 << 24) /* DMA Block Overrun Error */
> -# define ATMCI_DMADONE ( 1 << 25) /* DMA Transfer Done */
> -# define ATMCI_FIFOEMPTY ( 1 << 26) /* FIFO Empty Flag */
> -# define ATMCI_XFRDONE ( 1 << 27) /* Transfer Done Flag */
> -# define ATMCI_ACKRCV ( 1 << 28) /* Boot Operation Acknowledge Received */
> -# define ATMCI_ACKRCVE ( 1 << 29) /* Boot Operation Acknowledge Error */
> -# define ATMCI_OVRE ( 1 << 30) /* RX Overrun Error */
> -# define ATMCI_UNRE ( 1 << 31) /* TX Underrun Error */
> -#define ATMCI_DMA 0x0050 /* DMA Configuration[2] */
> -# define ATMCI_DMA_OFFSET(x) ((x) << 0) /* DMA Write Buffer Offset */
> -# define ATMCI_DMA_CHKSIZE(x) ((x) << 4) /* DMA Channel Read and Write Chunk Size */
> -# define ATMCI_DMAEN ( 1 << 8) /* DMA Hardware Handshaking Enable */
> -#define ATMCI_CFG 0x0054 /* Configuration[2] */
> -# define ATMCI_CFG_FIFOMODE_1DATA ( 1 << 0) /* MCI Internal FIFO control mode */
> -# define ATMCI_CFG_FERRCTRL_COR ( 1 << 4) /* Flow Error flag reset control mode */
> -# define ATMCI_CFG_HSMODE ( 1 << 8) /* High Speed Mode */
> -# define ATMCI_CFG_LSYNC ( 1 << 12) /* Synchronize on the last block */
> -#define ATMCI_WPMR 0x00e4 /* Write Protection Mode[2] */
> -# define ATMCI_WP_EN ( 1 << 0) /* WP Enable */
> -# define ATMCI_WP_KEY (0x4d4349 << 8) /* WP Key */
> -#define ATMCI_WPSR 0x00e8 /* Write Protection Status[2] */
> -# define ATMCI_GET_WP_VS(x) ((x) & 0x0f)
> -# define ATMCI_GET_WP_VSRC(x) (((x) >> 8) & 0xffff)
> -#define ATMCI_VERSION 0x00FC /* Version */
> -#define ATMCI_FIFO_APERTURE 0x0200 /* FIFO Aperture[2] */
> -
> -/* This is not including the FIFO Aperture on MCI2 */
> -#define ATMCI_REGS_SIZE 0x100
> -
> -/* Register access macros */
> -#ifdef CONFIG_AVR32
> -#define atmci_readl(port, reg) \
> - __raw_readl((port)->regs + reg)
> -#define atmci_writel(port, reg, value) \
> - __raw_writel((value), (port)->regs + reg)
> -#else
> -#define atmci_readl(port, reg) \
> - readl_relaxed((port)->regs + reg)
> -#define atmci_writel(port, reg, value) \
> - writel_relaxed((value), (port)->regs + reg)
> -#endif
> -
> -/* On AVR chips the Peripheral DMA Controller is not connected to MCI. */
> -#ifdef CONFIG_AVR32
> -# define ATMCI_PDC_CONNECTED 0
> -#else
> -# define ATMCI_PDC_CONNECTED 1
> -#endif
> -
> -/*
> - * Fix sconfig's burst size according to atmel MCI. We need to convert them as:
> - * 1 -> 0, 4 -> 1, 8 -> 2, 16 -> 3.
> - *
> - * This can be done by finding most significant bit set.
> - */
> -static inline unsigned int atmci_convert_chksize(unsigned int maxburst)
> -{
> - if (maxburst > 1)
> - return fls(maxburst) - 2;
> - else
> - return 0;
> -}
> -
> -#endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */
> diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
> index bf62e42..9f3bb61 100644
> --- a/drivers/mmc/host/atmel-mci.c
> +++ b/drivers/mmc/host/atmel-mci.c
> @@ -44,7 +44,155 @@
> #include <asm/io.h>
> #include <asm/unaligned.h>
>
> -#include "atmel-mci-regs.h"
> +/*
> + * Superset of MCI IP registers integrated in Atmel AVR32 and AT91 Processors
> + * Registers and bitfields marked with [2] are only available in MCI2
> + */
> +
> +/* MCI Register Definitions */
> +#define ATMCI_CR 0x0000 /* Control */
> +#define ATMCI_CR_MCIEN BIT(0) /* MCI Enable */
> +#define ATMCI_CR_MCIDIS BIT(1) /* MCI Disable */
> +#define ATMCI_CR_PWSEN BIT(2) /* Power Save Enable */
> +#define ATMCI_CR_PWSDIS BIT(3) /* Power Save Disable */
> +#define ATMCI_CR_SWRST BIT(7) /* Software Reset */
> +#define ATMCI_MR 0x0004 /* Mode */
> +#define ATMCI_MR_CLKDIV(x) ((x) << 0) /* Clock Divider */
> +#define ATMCI_MR_PWSDIV(x) ((x) << 8) /* Power Saving Divider */
> +#define ATMCI_MR_RDPROOF BIT(11) /* Read Proof */
> +#define ATMCI_MR_WRPROOF BIT(12) /* Write Proof */
> +#define ATMCI_MR_PDCFBYTE BIT(13) /* Force Byte Transfer */
> +#define ATMCI_MR_PDCPADV BIT(14) /* Padding Value */
> +#define ATMCI_MR_PDCMODE BIT(15) /* PDC-oriented Mode */
> +#define ATMCI_MR_CLKODD(x) ((x) << 16) /* LSB of Clock Divider */
> +#define ATMCI_DTOR 0x0008 /* Data Timeout */
> +#define ATMCI_DTOCYC(x) ((x) << 0) /* Data Timeout Cycles */
> +#define ATMCI_DTOMUL(x) ((x) << 4) /* Data Timeout Multiplier */
> +#define ATMCI_SDCR 0x000c /* SD Card / SDIO */
> +#define ATMCI_SDCSEL_SLOT_A (0 << 0) /* Select SD slot A */
> +#define ATMCI_SDCSEL_SLOT_B (1 << 0) /* Select SD slot A */
> +#define ATMCI_SDCSEL_MASK (3 << 0)
> +#define ATMCI_SDCBUS_1BIT (0 << 6) /* 1-bit data bus */
> +#define ATMCI_SDCBUS_4BIT (2 << 6) /* 4-bit data bus */
> +#define ATMCI_SDCBUS_8BIT (3 << 6) /* 8-bit data bus[2] */
> +#define ATMCI_SDCBUS_MASK (3 << 6)
> +#define ATMCI_ARGR 0x0010 /* Command Argument */
> +#define ATMCI_CMDR 0x0014 /* Command */
> +#define ATMCI_CMDR_CMDNB(x) ((x) << 0) /* Command Opcode */
> +#define ATMCI_CMDR_RSPTYP_NONE (0 << 6) /* No response */
> +#define ATMCI_CMDR_RSPTYP_48BIT (1 << 6) /* 48-bit response */
> +#define ATMCI_CMDR_RSPTYP_136BIT (2 << 6) /* 136-bit response */
> +#define ATMCI_CMDR_SPCMD_INIT (1 << 8) /* Initialization command */
> +#define ATMCI_CMDR_SPCMD_SYNC (2 << 8) /* Synchronized command */
> +#define ATMCI_CMDR_SPCMD_INT (4 << 8) /* Interrupt command */
> +#define ATMCI_CMDR_SPCMD_INTRESP (5 << 8) /* Interrupt response */
> +#define ATMCI_CMDR_OPDCMD (1 << 11) /* Open Drain */
> +#define ATMCI_CMDR_MAXLAT_5CYC (0 << 12) /* Max latency 5 cycles */
> +#define ATMCI_CMDR_MAXLAT_64CYC (1 << 12) /* Max latency 64 cycles */
> +#define ATMCI_CMDR_START_XFER (1 << 16) /* Start data transfer */
> +#define ATMCI_CMDR_STOP_XFER (2 << 16) /* Stop data transfer */
> +#define ATMCI_CMDR_TRDIR_WRITE (0 << 18) /* Write data */
> +#define ATMCI_CMDR_TRDIR_READ (1 << 18) /* Read data */
> +#define ATMCI_CMDR_BLOCK (0 << 19) /* Single-block transfer */
> +#define ATMCI_CMDR_MULTI_BLOCK (1 << 19) /* Multi-block transfer */
> +#define ATMCI_CMDR_STREAM (2 << 19) /* MMC Stream transfer */
> +#define ATMCI_CMDR_SDIO_BYTE (4 << 19) /* SDIO Byte transfer */
> +#define ATMCI_CMDR_SDIO_BLOCK (5 << 19) /* SDIO Block transfer */
> +#define ATMCI_CMDR_SDIO_SUSPEND (1 << 24) /* SDIO Suspend Command */
> +#define ATMCI_CMDR_SDIO_RESUME (2 << 24) /* SDIO Resume Command */
> +#define ATMCI_BLKR 0x0018 /* Block */
> +#define ATMCI_BCNT(x) ((x) << 0) /* Data Block Count */
> +#define ATMCI_BLKLEN(x) ((x) << 16) /* Data Block Length */
> +#define ATMCI_CSTOR 0x001c /* Completion Signal Timeout[2] */
> +#define ATMCI_CSTOCYC(x) ((x) << 0) /* CST cycles */
> +#define ATMCI_CSTOMUL(x) ((x) << 4) /* CST multiplier */
> +#define ATMCI_RSPR 0x0020 /* Response 0 */
> +#define ATMCI_RSPR1 0x0024 /* Response 1 */
> +#define ATMCI_RSPR2 0x0028 /* Response 2 */
> +#define ATMCI_RSPR3 0x002c /* Response 3 */
> +#define ATMCI_RDR 0x0030 /* Receive Data */
> +#define ATMCI_TDR 0x0034 /* Transmit Data */
> +#define ATMCI_SR 0x0040 /* Status */
> +#define ATMCI_IER 0x0044 /* Interrupt Enable */
> +#define ATMCI_IDR 0x0048 /* Interrupt Disable */
> +#define ATMCI_IMR 0x004c /* Interrupt Mask */
> +#define ATMCI_CMDRDY BIT(0) /* Command Ready */
> +#define ATMCI_RXRDY BIT(1) /* Receiver Ready */
> +#define ATMCI_TXRDY BIT(2) /* Transmitter Ready */
> +#define ATMCI_BLKE BIT(3) /* Data Block Ended */
> +#define ATMCI_DTIP BIT(4) /* Data Transfer In Progress */
> +#define ATMCI_NOTBUSY BIT(5) /* Data Not Busy */
> +#define ATMCI_ENDRX BIT(6) /* End of RX Buffer */
> +#define ATMCI_ENDTX BIT(7) /* End of TX Buffer */
> +#define ATMCI_SDIOIRQA BIT(8) /* SDIO IRQ in slot A */
> +#define ATMCI_SDIOIRQB BIT(9) /* SDIO IRQ in slot B */
> +#define ATMCI_SDIOWAIT BIT(12) /* SDIO Read Wait Operation Status */
> +#define ATMCI_CSRCV BIT(13) /* CE-ATA Completion Signal Received */
> +#define ATMCI_RXBUFF BIT(14) /* RX Buffer Full */
> +#define ATMCI_TXBUFE BIT(15) /* TX Buffer Empty */
> +#define ATMCI_RINDE BIT(16) /* Response Index Error */
> +#define ATMCI_RDIRE BIT(17) /* Response Direction Error */
> +#define ATMCI_RCRCE BIT(18) /* Response CRC Error */
> +#define ATMCI_RENDE BIT(19) /* Response End Bit Error */
> +#define ATMCI_RTOE BIT(20) /* Response Time-Out Error */
> +#define ATMCI_DCRCE BIT(21) /* Data CRC Error */
> +#define ATMCI_DTOE BIT(22) /* Data Time-Out Error */
> +#define ATMCI_CSTOE BIT(23) /* Completion Signal Time-out Error */
> +#define ATMCI_BLKOVRE BIT(24) /* DMA Block Overrun Error */
> +#define ATMCI_DMADONE BIT(25) /* DMA Transfer Done */
> +#define ATMCI_FIFOEMPTY BIT(26) /* FIFO Empty Flag */
> +#define ATMCI_XFRDONE BIT(27) /* Transfer Done Flag */
> +#define ATMCI_ACKRCV BIT(28) /* Boot Operation Acknowledge Received */
> +#define ATMCI_ACKRCVE BIT(29) /* Boot Operation Acknowledge Error */
> +#define ATMCI_OVRE BIT(30) /* RX Overrun Error */
> +#define ATMCI_UNRE BIT(31) /* TX Underrun Error */
> +#define ATMCI_DMA 0x0050 /* DMA Configuration[2] */
> +#define ATMCI_DMA_OFFSET(x) ((x) << 0) /* DMA Write Buffer Offset */
> +#define ATMCI_DMA_CHKSIZE(x) ((x) << 4) /* DMA Channel Read and Write Chunk Size */
> +#define ATMCI_DMAEN BIT(8) /* DMA Hardware Handshaking Enable */
> +#define ATMCI_CFG 0x0054 /* Configuration[2] */
> +#define ATMCI_CFG_FIFOMODE_1DATA BIT(0) /* MCI Internal FIFO control mode */
> +#define ATMCI_CFG_FERRCTRL_COR BIT(4) /* Flow Error flag reset control mode */
> +#define ATMCI_CFG_HSMODE BIT(8) /* High Speed Mode */
> +#define ATMCI_CFG_LSYNC BIT(12) /* Synchronize on the last block */
> +#define ATMCI_WPMR 0x00e4 /* Write Protection Mode[2] */
> +#define ATMCI_WP_EN BIT(0) /* WP Enable */
> +#define ATMCI_WP_KEY (0x4d4349 << 8) /* WP Key */
> +#define ATMCI_WPSR 0x00e8 /* Write Protection Status[2] */
> +#define ATMCI_GET_WP_VS(x) ((x) & 0x0f)
> +#define ATMCI_GET_WP_VSRC(x) (((x) >> 8) & 0xffff)
> +#define ATMCI_VERSION 0x00FC /* Version */
> +#define ATMCI_FIFO_APERTURE 0x0200 /* FIFO Aperture[2] */
> +
> +/* This is not including the FIFO Aperture on MCI2 */
> +#define ATMCI_REGS_SIZE 0x100
> +
> +/* Register access macros */
> +#define atmci_readl(port, reg) \
> + __raw_readl((port)->regs + reg)
> +#define atmci_writel(port, reg, value) \
> + __raw_writel((value), (port)->regs + reg)
> +
> +/* On AVR chips the Peripheral DMA Controller is not connected to MCI. */
> +#ifdef CONFIG_AVR32
> +# define ATMCI_PDC_CONNECTED 0
> +#else
> +# define ATMCI_PDC_CONNECTED 1
> +#endif
> +
> +/*
> + * Fix sconfig's burst size according to atmel MCI. We need to convert them as:
> + * 1 -> 0, 4 -> 1, 8 -> 2, 16 -> 3.
> + *
> + * This can be done by finding most significant bit set.
> + */
> +static inline unsigned int atmci_convert_chksize(unsigned int maxburst)
> +{
> + if (maxburst > 1)
> + return fls(maxburst) - 2;
> + else
> + return 0;
> +}
>
> #define AUTOSUSPEND_DELAY 50
>
> --
> 2.5.0
>
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