Fix most of checkpatch warnings and other obvious style issues.
No functional change.
Signed-off-by: Sam Protsenko semen.protsenko@linaro.org Reviewed-by: Quentin Schulz quentin.schulz@cherry.de --- Changes in v2: - Added R-b tag from Quentin
drivers/mmc/dw_mmc.c | 69 ++++++++++---------- include/dwmmc.h | 149 ++++++++++++++++++++++--------------------- 2 files changed, 110 insertions(+), 108 deletions(-)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 8af665a00222..8551eac70185 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -125,8 +125,9 @@ static void dwmci_prepare_desc(struct dwmci_host *host, struct mmc_data *data, if (blk_cnt <= 8) { flags |= DWMCI_IDMAC_LD; cnt = data->blocksize * blk_cnt; - } else + } else { cnt = data->blocksize * 8; + }
if (host->dma_64bit_address) { dwmci_set_idma_desc64(desc64, flags, cnt, @@ -150,10 +151,8 @@ static void dwmci_prepare_desc(struct dwmci_host *host, struct mmc_data *data, flush_dcache_range(data_start, roundup(data_end, ARCH_DMA_MINALIGN)); }
-static void dwmci_prepare_data(struct dwmci_host *host, - struct mmc_data *data, - void *cur_idmac, - void *bounce_buffer) +static void dwmci_prepare_data(struct dwmci_host *host, struct mmc_data *data, + void *cur_idmac, void *bounce_buffer) { const u32 idmacl = virt_to_phys(cur_idmac) & 0xffffffff; const u32 idmacu = (u64)virt_to_phys(cur_idmac) >> 32; @@ -277,7 +276,7 @@ static int dwmci_data_transfer(struct dwmci_host *host, struct mmc_data *data)
for (;;) { mask = dwmci_readl(host, DWMCI_RINTSTS); - /* Error during data transfer. */ + /* Error during data transfer */ if (mask & (DWMCI_DATA_ERR | DWMCI_DATA_TOUT)) { debug("%s: DATA ERROR!\n", __func__); ret = -EINVAL; @@ -286,16 +285,15 @@ static int dwmci_data_transfer(struct dwmci_host *host, struct mmc_data *data)
ret = dwmci_data_transfer_fifo(host, data, mask);
- /* Data arrived correctly. */ + /* Data arrived correctly */ if (mask & DWMCI_INTMSK_DTO) { ret = 0; break; }
- /* Check for timeout. */ + /* Check for timeout */ if (get_timer(start) > timeout) { - debug("%s: Timeout waiting for data!\n", - __func__); + debug("%s: Timeout waiting for data!\n", __func__); ret = -ETIMEDOUT; break; } @@ -317,8 +315,8 @@ static int dwmci_dma_transfer(struct dwmci_host *host, uint flags, else mask = DWMCI_IDINTEN_TI;
- ret = wait_for_bit_le32(host->ioaddr + host->regs->idsts, - mask, true, 1000, false); + ret = wait_for_bit_le32(host->ioaddr + host->regs->idsts, mask, true, + 1000, false); if (ret) debug("%s: DWMCI_IDINTEN mask 0x%x timeout\n", __func__, mask);
@@ -334,7 +332,7 @@ static int dwmci_dma_transfer(struct dwmci_host *host, uint flags, }
static int dwmci_set_transfer_mode(struct dwmci_host *host, - struct mmc_data *data) + struct mmc_data *data) { unsigned long mode;
@@ -380,12 +378,12 @@ static int dwmci_send_cmd_common(struct dwmci_host *host, struct mmc_cmd *cmd, } else { if (data->flags == MMC_DATA_READ) { ret = bounce_buffer_start(&bbstate, - (void*)data->dest, + (void *)data->dest, data->blocksize * data->blocks, GEN_BB_WRITE); } else { ret = bounce_buffer_start(&bbstate, - (void*)data->src, + (void *)data->src, data->blocksize * data->blocks, GEN_BB_READ); } @@ -420,9 +418,9 @@ static int dwmci_send_cmd_common(struct dwmci_host *host, struct mmc_cmd *cmd, if (cmd->resp_type & MMC_RSP_CRC) flags |= DWMCI_CMD_CHECK_CRC;
- flags |= (cmd->cmdidx | DWMCI_CMD_START | DWMCI_CMD_USE_HOLD_REG); + flags |= cmd->cmdidx | DWMCI_CMD_START | DWMCI_CMD_USE_HOLD_REG;
- debug("Sending CMD%d\n",cmd->cmdidx); + debug("Sending CMD%d\n", cmd->cmdidx);
dwmci_writel(host, DWMCI_CMD, flags);
@@ -436,7 +434,7 @@ static int dwmci_send_cmd_common(struct dwmci_host *host, struct mmc_cmd *cmd, }
if (i == retry) { - debug("%s: Timeout.\n", __func__); + debug("%s: Timeout\n", __func__); return -ETIMEDOUT; }
@@ -449,18 +447,17 @@ static int dwmci_send_cmd_common(struct dwmci_host *host, struct mmc_cmd *cmd, * below shall be debug(). eMMC cards also do not favor * CMD8, please keep that in mind. */ - debug("%s: Response Timeout.\n", __func__); + debug("%s: Response Timeout\n", __func__); return -ETIMEDOUT; } else if (mask & DWMCI_INTMSK_RE) { - debug("%s: Response Error.\n", __func__); + debug("%s: Response Error\n", __func__); return -EIO; } else if ((cmd->resp_type & MMC_RSP_CRC) && (mask & DWMCI_INTMSK_RCRC)) { - debug("%s: Response CRC Error.\n", __func__); + debug("%s: Response CRC Error\n", __func__); return -EIO; }
- if (cmd->resp_type & MMC_RSP_PRESENT) { if (cmd->resp_type & MMC_RSP_136) { cmd->response[0] = dwmci_readl(host, DWMCI_RESP3); @@ -556,24 +553,24 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq) unsigned long sclk; int ret;
- if ((freq == host->clock) || (freq == 0)) + if (freq == host->clock || freq == 0) return 0; + /* - * If host->get_mmc_clk isn't defined, - * then assume that host->bus_hz is source clock value. - * host->bus_hz should be set by user. + * If host->get_mmc_clk isn't defined, then assume that host->bus_hz is + * source clock value. host->bus_hz should be set by user. */ - if (host->get_mmc_clk) + if (host->get_mmc_clk) { sclk = host->get_mmc_clk(host, freq); - else if (host->bus_hz) + } else if (host->bus_hz) { sclk = host->bus_hz; - else { - debug("%s: Didn't get source clock value.\n", __func__); + } else { + debug("%s: Didn't get source clock value\n", __func__); return -EINVAL; }
if (sclk == freq) - div = 0; /* bypass mode */ + div = 0; /* bypass mode */ else div = DIV_ROUND_UP(sclk, 2 * freq);
@@ -597,7 +594,7 @@ static int dwmci_set_ios(struct mmc *mmc) struct dwmci_host *host = (struct dwmci_host *)mmc->priv; u32 ctype, regs;
- debug("Buswidth = %d, clock: %d\n", mmc->bus_width, mmc->clock); + debug("Bus width = %d, clock: %d\n", mmc->bus_width, mmc->clock);
dwmci_setup_bus(host, mmc->clock); switch (mmc->bus_width) { @@ -711,10 +708,10 @@ static int dwmci_init(struct mmc *mmc) /* Enumerate at 400KHz */ dwmci_setup_bus(host, mmc->cfg->f_min);
- dwmci_writel(host, DWMCI_RINTSTS, 0xFFFFFFFF); + dwmci_writel(host, DWMCI_RINTSTS, 0xffffffff); dwmci_writel(host, DWMCI_INTMASK, 0);
- dwmci_writel(host, DWMCI_TMOUT, 0xFFFFFFFF); + dwmci_writel(host, DWMCI_TMOUT, 0xffffffff);
dwmci_writel(host, DWMCI_BMOD, 1); dwmci_init_fifo(host); @@ -748,7 +745,7 @@ static const struct mmc_ops dwmci_ops = { #endif
void dwmci_setup_cfg(struct mmc_config *cfg, struct dwmci_host *host, - u32 max_clk, u32 min_clk) + u32 max_clk, u32 min_clk) { cfg->name = host->name; #ifndef CONFIG_DM_MMC @@ -784,7 +781,7 @@ int add_dwmci(struct dwmci_host *host, u32 max_clk, u32 min_clk) dwmci_setup_cfg(&host->cfg, host, max_clk, min_clk);
host->mmc = mmc_create(&host->cfg, host); - if (host->mmc == NULL) + if (!host->mmc) return -1;
return 0; diff --git a/include/dwmmc.h b/include/dwmmc.h index 77c8989148a1..a99b2f3bf0cc 100644 --- a/include/dwmmc.h +++ b/include/dwmmc.h @@ -15,31 +15,31 @@ #define DWMCI_CTRL 0x000 #define DWMCI_PWREN 0x004 #define DWMCI_CLKDIV 0x008 -#define DWMCI_CLKSRC 0x00C +#define DWMCI_CLKSRC 0x00c #define DWMCI_CLKENA 0x010 #define DWMCI_TMOUT 0x014 #define DWMCI_CTYPE 0x018 -#define DWMCI_BLKSIZ 0x01C +#define DWMCI_BLKSIZ 0x01c #define DWMCI_BYTCNT 0x020 #define DWMCI_INTMASK 0x024 #define DWMCI_CMDARG 0x028 -#define DWMCI_CMD 0x02C +#define DWMCI_CMD 0x02c #define DWMCI_RESP0 0x030 #define DWMCI_RESP1 0x034 #define DWMCI_RESP2 0x038 -#define DWMCI_RESP3 0x03C +#define DWMCI_RESP3 0x03c #define DWMCI_MINTSTS 0x040 #define DWMCI_RINTSTS 0x044 #define DWMCI_STATUS 0x048 -#define DWMCI_FIFOTH 0x04C +#define DWMCI_FIFOTH 0x04c #define DWMCI_CDETECT 0x050 #define DWMCI_WRTPRT 0x054 #define DWMCI_GPIO 0x058 -#define DWMCI_TCMCNT 0x05C +#define DWMCI_TCMCNT 0x05c #define DWMCI_TBBCNT 0x060 #define DWMCI_DEBNCE 0x064 #define DWMCI_USRID 0x068 -#define DWMCI_VERID 0x06C +#define DWMCI_VERID 0x06c #define DWMCI_HCON 0x070 #define DWMCI_UHS_REG 0x074 #define DWMCI_BMOD 0x080 @@ -47,7 +47,7 @@ #define DWMCI_DATA 0x200 /* Registers to support IDMAC 32-bit address mode */ #define DWMCI_DBADDR 0x088 -#define DWMCI_IDSTS 0x08C +#define DWMCI_IDSTS 0x08c #define DWMCI_IDINTEN 0x090 #define DWMCI_DSCADDR 0x094 #define DWMCI_BUFADDR 0x098 @@ -63,94 +63,94 @@
/* Interrupt Mask register */ #define DWMCI_INTMSK_ALL 0xffffffff -#define DWMCI_INTMSK_RE (1 << 1) -#define DWMCI_INTMSK_CDONE (1 << 2) -#define DWMCI_INTMSK_DTO (1 << 3) -#define DWMCI_INTMSK_TXDR (1 << 4) -#define DWMCI_INTMSK_RXDR (1 << 5) -#define DWMCI_INTMSK_RCRC (1 << 6) -#define DWMCI_INTMSK_DCRC (1 << 7) -#define DWMCI_INTMSK_RTO (1 << 8) -#define DWMCI_INTMSK_DRTO (1 << 9) -#define DWMCI_INTMSK_HTO (1 << 10) -#define DWMCI_INTMSK_FRUN (1 << 11) -#define DWMCI_INTMSK_HLE (1 << 12) -#define DWMCI_INTMSK_SBE (1 << 13) -#define DWMCI_INTMSK_ACD (1 << 14) -#define DWMCI_INTMSK_EBE (1 << 15) - -/* Raw interrupt Regsiter */ -#define DWMCI_DATA_ERR (DWMCI_INTMSK_EBE | DWMCI_INTMSK_SBE | DWMCI_INTMSK_HLE |\ - DWMCI_INTMSK_FRUN | DWMCI_INTMSK_EBE | DWMCI_INTMSK_DCRC) -#define DWMCI_DATA_TOUT (DWMCI_INTMSK_HTO | DWMCI_INTMSK_DRTO) +#define DWMCI_INTMSK_RE BIT(1) +#define DWMCI_INTMSK_CDONE BIT(2) +#define DWMCI_INTMSK_DTO BIT(3) +#define DWMCI_INTMSK_TXDR BIT(4) +#define DWMCI_INTMSK_RXDR BIT(5) +#define DWMCI_INTMSK_RCRC BIT(6) +#define DWMCI_INTMSK_DCRC BIT(7) +#define DWMCI_INTMSK_RTO BIT(8) +#define DWMCI_INTMSK_DRTO BIT(9) +#define DWMCI_INTMSK_HTO BIT(10) +#define DWMCI_INTMSK_FRUN BIT(11) +#define DWMCI_INTMSK_HLE BIT(12) +#define DWMCI_INTMSK_SBE BIT(13) +#define DWMCI_INTMSK_ACD BIT(14) +#define DWMCI_INTMSK_EBE BIT(15) + +/* Raw interrupt register */ +#define DWMCI_DATA_ERR (DWMCI_INTMSK_EBE | DWMCI_INTMSK_SBE | \ + DWMCI_INTMSK_HLE | DWMCI_INTMSK_FRUN | \ + DWMCI_INTMSK_EBE | DWMCI_INTMSK_DCRC) +#define DWMCI_DATA_TOUT (DWMCI_INTMSK_HTO | DWMCI_INTMSK_DRTO) + /* CTRL register */ -#define DWMCI_CTRL_RESET (1 << 0) -#define DWMCI_CTRL_FIFO_RESET (1 << 1) -#define DWMCI_CTRL_DMA_RESET (1 << 2) -#define DWMCI_DMA_EN (1 << 5) -#define DWMCI_CTRL_SEND_AS_CCSD (1 << 10) -#define DWMCI_IDMAC_EN (1 << 25) +#define DWMCI_CTRL_RESET BIT(0) +#define DWMCI_CTRL_FIFO_RESET BIT(1) +#define DWMCI_CTRL_DMA_RESET BIT(2) +#define DWMCI_DMA_EN BIT(5) +#define DWMCI_CTRL_SEND_AS_CCSD BIT(10) +#define DWMCI_IDMAC_EN BIT(25) #define DWMCI_RESET_ALL (DWMCI_CTRL_RESET | DWMCI_CTRL_FIFO_RESET |\ DWMCI_CTRL_DMA_RESET)
/* CMD register */ -#define DWMCI_CMD_RESP_EXP (1 << 6) -#define DWMCI_CMD_RESP_LENGTH (1 << 7) -#define DWMCI_CMD_CHECK_CRC (1 << 8) -#define DWMCI_CMD_DATA_EXP (1 << 9) -#define DWMCI_CMD_RW (1 << 10) -#define DWMCI_CMD_SEND_STOP (1 << 12) -#define DWMCI_CMD_ABORT_STOP (1 << 14) -#define DWMCI_CMD_PRV_DAT_WAIT (1 << 13) -#define DWMCI_CMD_UPD_CLK (1 << 21) -#define DWMCI_CMD_USE_HOLD_REG (1 << 29) -#define DWMCI_CMD_START (1 << 31) +#define DWMCI_CMD_RESP_EXP BIT(6) +#define DWMCI_CMD_RESP_LENGTH BIT(7) +#define DWMCI_CMD_CHECK_CRC BIT(8) +#define DWMCI_CMD_DATA_EXP BIT(9) +#define DWMCI_CMD_RW BIT(10) +#define DWMCI_CMD_SEND_STOP BIT(12) +#define DWMCI_CMD_ABORT_STOP BIT(14) +#define DWMCI_CMD_PRV_DAT_WAIT BIT(13) +#define DWMCI_CMD_UPD_CLK BIT(21) +#define DWMCI_CMD_USE_HOLD_REG BIT(29) +#define DWMCI_CMD_START BIT(31)
/* CLKENA register */ -#define DWMCI_CLKEN_ENABLE (1 << 0) -#define DWMCI_CLKEN_LOW_PWR (1 << 16) +#define DWMCI_CLKEN_ENABLE BIT(0) +#define DWMCI_CLKEN_LOW_PWR BIT(16)
-/* Card-type registe */ +/* Card type register */ #define DWMCI_CTYPE_1BIT 0 -#define DWMCI_CTYPE_4BIT (1 << 0) -#define DWMCI_CTYPE_8BIT (1 << 16) +#define DWMCI_CTYPE_4BIT BIT(0) +#define DWMCI_CTYPE_8BIT BIT(16)
-/* Status Register */ -#define DWMCI_FIFO_EMPTY (1 << 2) -#define DWMCI_FIFO_FULL (1 << 3) -#define DWMCI_BUSY (1 << 9) +/* Status register */ +#define DWMCI_FIFO_EMPTY BIT(2) +#define DWMCI_FIFO_FULL BIT(3) +#define DWMCI_BUSY BIT(9) #define DWMCI_FIFO_MASK 0x1fff #define DWMCI_FIFO_SHIFT 17
-/* FIFOTH Register */ +/* FIFOTH register */ #define MSIZE(x) ((x) << 28) #define RX_WMARK(x) ((x) << 16) #define TX_WMARK(x) (x) #define RX_WMARK_SHIFT 16 #define RX_WMARK_MASK (0xfff << RX_WMARK_SHIFT)
-#define DWMCI_IDMAC_OWN (1 << 31) -#define DWMCI_IDMAC_CH (1 << 4) -#define DWMCI_IDMAC_FS (1 << 3) -#define DWMCI_IDMAC_LD (1 << 2) +#define DWMCI_IDMAC_OWN BIT(31) +#define DWMCI_IDMAC_CH BIT(4) +#define DWMCI_IDMAC_FS BIT(3) +#define DWMCI_IDMAC_LD BIT(2)
-/* Bus Mode Register */ -#define DWMCI_BMOD_IDMAC_RESET (1 << 0) -#define DWMCI_BMOD_IDMAC_FB (1 << 1) -#define DWMCI_BMOD_IDMAC_EN (1 << 7) +/* Bus Mode register */ +#define DWMCI_BMOD_IDMAC_RESET BIT(0) +#define DWMCI_BMOD_IDMAC_FB BIT(1) +#define DWMCI_BMOD_IDMAC_EN BIT(7)
/* UHS register */ -#define DWMCI_DDR_MODE (1 << 16) +#define DWMCI_DDR_MODE BIT(16)
/* Internal IDMAC interrupt defines */ -#define DWMCI_IDINTEN_RI BIT(1) -#define DWMCI_IDINTEN_TI BIT(0) +#define DWMCI_IDINTEN_RI BIT(1) +#define DWMCI_IDINTEN_TI BIT(0) +#define DWMCI_IDINTEN_MASK (DWMCI_IDINTEN_TI | DWMCI_IDINTEN_RI)
-#define DWMCI_IDINTEN_MASK (DWMCI_IDINTEN_TI | \ - DWMCI_IDINTEN_RI) - -/* quirks */ -#define DWMCI_QUIRK_DISABLE_SMU (1 << 0) +/* Quirks */ +#define DWMCI_QUIRK_DISABLE_SMU BIT(0)
/** * struct dwmci_idmac_regs - Offsets of IDMAC registers @@ -230,6 +230,7 @@ struct dwmci_host { * return that value too. Then DWMMC will put itself in bypass mode. */ unsigned int (*get_mmc_clk)(struct dwmci_host *host, uint freq); + #ifndef CONFIG_BLK struct mmc_config cfg; #endif @@ -253,6 +254,7 @@ static inline void dwmci_writeb(struct dwmci_host *host, int reg, u8 val) { writeb(val, host->ioaddr + reg); } + static inline u32 dwmci_readl(struct dwmci_host *host, int reg) { return readl(host->ioaddr + reg); @@ -269,6 +271,7 @@ static inline u8 dwmci_readb(struct dwmci_host *host, int reg) }
#ifdef CONFIG_BLK + /** * dwmci_setup_cfg() - Set up the configuration for DWMMC * @cfg: Configuration structure to fill in (generally &plat->mmc) @@ -301,7 +304,7 @@ static inline u8 dwmci_readb(struct dwmci_host *host, int reg) * See rockchip_dw_mmc.c for an example. */ void dwmci_setup_cfg(struct mmc_config *cfg, struct dwmci_host *host, - u32 max_clk, u32 min_clk); + u32 max_clk, u32 min_clk);
/** * dwmci_bind() - Set up a new MMC block device @@ -321,6 +324,7 @@ void dwmci_setup_cfg(struct mmc_config *cfg, struct dwmci_host *host, int dwmci_bind(struct udevice *dev, struct mmc *mmc, struct mmc_config *cfg);
#else + /** * add_dwmci() - Add a new DWMMC interface * @host: DWMMC host structure @@ -332,6 +336,7 @@ int dwmci_bind(struct udevice *dev, struct mmc *mmc, struct mmc_config *cfg); * Return: 0 if OK, -ve on error */ int add_dwmci(struct dwmci_host *host, u32 max_clk, u32 min_clk); + #endif /* !CONFIG_BLK */
#ifdef CONFIG_DM_MMC