Re: [PATCH mmc/next v3 1/2] mmc: tmio: improve checkpatch cleanness

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+Lee

On 16 June 2017 at 18:11, Simon Horman <horms+renesas@xxxxxxxxxxxx> wrote:
> Trivial updates to improve checkpatch cleanness.
>
> Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
> ---
> v3
> * Really don't add bogus ',' after KERN_DEBUG
> * Adjustments as per Wolfram's preferences
>
> v2
> * Don't add bogus ',' after KERN_DEBUG
> * Leave some lines over 80 columns as it seems to be the more readable option
>   (very subjective)
> ---
>  drivers/mmc/host/renesas_sdhi.h  |  2 +-
>  drivers/mmc/host/tmio_mmc.c      |  8 ++---
>  drivers/mmc/host/tmio_mmc.h      | 17 ++++++-----
>  drivers/mmc/host/tmio_mmc_core.c | 66 +++++++++++++++++++++-------------------
>  include/linux/mfd/tmio.h         | 33 ++++++++++----------

This change requires an ack from Lee Jones, the mfd maintainer.
However, because of the trivial nature of the change, I will apply it
anyways. If there are any objections later on from Lee, than I can
drop it.

Thanks, applied for next!

Kind regards
Uffe

>  5 files changed, 66 insertions(+), 60 deletions(-)
>
> diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h
> index eb3ea15ff92d..6b4a79508c6b 100644
> --- a/drivers/mmc/host/renesas_sdhi.h
> +++ b/drivers/mmc/host/renesas_sdhi.h
> @@ -27,7 +27,7 @@ struct renesas_sdhi_of_data {
>         unsigned long capabilities2;
>         enum dma_slave_buswidth dma_buswidth;
>         dma_addr_t dma_rx_offset;
> -       unsigned bus_shift;
> +       unsigned int bus_shift;
>         int scc_offset;
>         struct renesas_sdhi_scc *taps;
>         int taps_num;
> diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
> index 61cf36fb270b..64b7e9f18361 100644
> --- a/drivers/mmc/host/tmio_mmc.c
> +++ b/drivers/mmc/host/tmio_mmc.c
> @@ -104,8 +104,8 @@ static int tmio_mmc_probe(struct platform_device *pdev)
>                 goto host_free;
>
>         ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_irq,
> -                               IRQF_TRIGGER_FALLING,
> -                               dev_name(&pdev->dev), host);
> +                              IRQF_TRIGGER_FALLING,
> +                              dev_name(&pdev->dev), host);
>         if (ret)
>                 goto host_remove;
>
> @@ -132,6 +132,7 @@ static int tmio_mmc_remove(struct platform_device *pdev)
>
>         if (mmc) {
>                 struct tmio_mmc_host *host = mmc_priv(mmc);
> +
>                 tmio_mmc_host_remove(host);
>                 if (cell->disable)
>                         cell->disable(pdev);
> @@ -145,8 +146,7 @@ static int tmio_mmc_remove(struct platform_device *pdev)
>  static const struct dev_pm_ops tmio_mmc_dev_pm_ops = {
>         SET_SYSTEM_SLEEP_PM_OPS(tmio_mmc_suspend, tmio_mmc_resume)
>         SET_RUNTIME_PM_OPS(tmio_mmc_host_runtime_suspend,
> -                       tmio_mmc_host_runtime_resume,
> -                       NULL)
> +                          tmio_mmc_host_runtime_resume, NULL)
>  };
>
>  static struct platform_driver tmio_mmc_driver = {
> diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
> index 768c8abaedda..6ad6704175dc 100644
> --- a/drivers/mmc/host/tmio_mmc.h
> +++ b/drivers/mmc/host/tmio_mmc.h
> @@ -239,24 +239,26 @@ static inline u16 sd_ctrl_read16(struct tmio_mmc_host *host, int addr)
>  }
>
>  static inline void sd_ctrl_read16_rep(struct tmio_mmc_host *host, int addr,
> -               u16 *buf, int count)
> +                                     u16 *buf, int count)
>  {
>         readsw(host->ctl + (addr << host->bus_shift), buf, count);
>  }
>
> -static inline u32 sd_ctrl_read16_and_16_as_32(struct tmio_mmc_host *host, int addr)
> +static inline u32 sd_ctrl_read16_and_16_as_32(struct tmio_mmc_host *host,
> +                                             int addr)
>  {
>         return readw(host->ctl + (addr << host->bus_shift)) |
>                readw(host->ctl + ((addr + 2) << host->bus_shift)) << 16;
>  }
>
>  static inline void sd_ctrl_read32_rep(struct tmio_mmc_host *host, int addr,
> -               u32 *buf, int count)
> +                                     u32 *buf, int count)
>  {
>         readsl(host->ctl + (addr << host->bus_shift), buf, count);
>  }
>
> -static inline void sd_ctrl_write16(struct tmio_mmc_host *host, int addr, u16 val)
> +static inline void sd_ctrl_write16(struct tmio_mmc_host *host, int addr,
> +                                  u16 val)
>  {
>         /* If there is a hook and it returns non-zero then there
>          * is an error and the write should be skipped
> @@ -267,19 +269,20 @@ static inline void sd_ctrl_write16(struct tmio_mmc_host *host, int addr, u16 val
>  }
>
>  static inline void sd_ctrl_write16_rep(struct tmio_mmc_host *host, int addr,
> -               u16 *buf, int count)
> +                                      u16 *buf, int count)
>  {
>         writesw(host->ctl + (addr << host->bus_shift), buf, count);
>  }
>
> -static inline void sd_ctrl_write32_as_16_and_16(struct tmio_mmc_host *host, int addr, u32 val)
> +static inline void sd_ctrl_write32_as_16_and_16(struct tmio_mmc_host *host,
> +                                               int addr, u32 val)
>  {
>         writew(val & 0xffff, host->ctl + (addr << host->bus_shift));
>         writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift));
>  }
>
>  static inline void sd_ctrl_write32_rep(struct tmio_mmc_host *host, int addr,
> -               const u32 *buf, int count)
> +                                      const u32 *buf, int count)
>  {
>         writesl(host->ctl + (addr << host->bus_shift), buf, count);
>  }
> diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
> index fbe38464e7d7..82b80d42f7ae 100644
> --- a/drivers/mmc/host/tmio_mmc_core.c
> +++ b/drivers/mmc/host/tmio_mmc_core.c
> @@ -127,16 +127,17 @@ static int tmio_mmc_next_sg(struct tmio_mmc_host *host)
>
>  #define STATUS_TO_TEXT(a, status, i) \
>         do { \
> -               if (status & TMIO_STAT_##a) { \
> -                       if (i++) \
> -                               printk(" | "); \
> -                       printk(#a); \
> +               if ((status) & TMIO_STAT_##a) { \
> +                       if ((i)++) \
> +                               printk(KERN_DEBUG " | "); \
> +                       printk(KERN_DEBUG #a); \
>                 } \
>         } while (0)
>
>  static void pr_debug_status(u32 status)
>  {
>         int i = 0;
> +
>         pr_debug("status: %08x = ", status);
>         STATUS_TO_TEXT(CARD_REMOVE, status, i);
>         STATUS_TO_TEXT(CARD_INSERT, status, i);
> @@ -177,8 +178,7 @@ static void tmio_mmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
>                 pm_runtime_get_sync(mmc_dev(mmc));
>
>                 host->sdio_irq_enabled = true;
> -               host->sdio_irq_mask = TMIO_SDIO_MASK_ALL &
> -                                       ~TMIO_SDIO_STAT_IOIRQ;
> +               host->sdio_irq_mask = TMIO_SDIO_MASK_ALL & ~TMIO_SDIO_STAT_IOIRQ;
>
>                 /* Clear obsolete interrupts before enabling */
>                 sdio_status = sd_ctrl_read16(host, CTL_SDIO_STATUS) & ~TMIO_SDIO_MASK_ALL;
> @@ -222,7 +222,7 @@ static void tmio_mmc_clk_stop(struct tmio_mmc_host *host)
>  }
>
>  static void tmio_mmc_set_clock(struct tmio_mmc_host *host,
> -                               unsigned int new_clock)
> +                              unsigned int new_clock)
>  {
>         u32 clk = 0, clock;
>
> @@ -289,16 +289,16 @@ static void tmio_mmc_reset_work(struct work_struct *work)
>          * cancel_delayed_work(), it can happen, that a .set_ios() call preempts
>          * us, so, have to check for IS_ERR(host->mrq)
>          */
> -       if (IS_ERR_OR_NULL(mrq)
> -           || time_is_after_jiffies(host->last_req_ts +
> -               msecs_to_jiffies(CMDREQ_TIMEOUT))) {
> +       if (IS_ERR_OR_NULL(mrq) ||
> +           time_is_after_jiffies(host->last_req_ts +
> +                                 msecs_to_jiffies(CMDREQ_TIMEOUT))) {
>                 spin_unlock_irqrestore(&host->lock, flags);
>                 return;
>         }
>
>         dev_warn(&host->pdev->dev,
> -               "timeout waiting for hardware interrupt (CMD%u)\n",
> -               mrq->cmd->opcode);
> +                "timeout waiting for hardware interrupt (CMD%u)\n",
> +                mrq->cmd->opcode);
>
>         if (host->data)
>                 host->data->error = -ETIMEDOUT;
> @@ -336,7 +336,8 @@ static void tmio_mmc_reset_work(struct work_struct *work)
>  #define SECURITY_CMD   0x4000
>  #define NO_CMD12_ISSUE 0x4000 /* TMIO_MMC_HAVE_CMD12_CTRL */
>
> -static int tmio_mmc_start_command(struct tmio_mmc_host *host, struct mmc_command *cmd)
> +static int tmio_mmc_start_command(struct tmio_mmc_host *host,
> +                                 struct mmc_command *cmd)
>  {
>         struct mmc_data *data = host->data;
>         int c = cmd->opcode;
> @@ -375,8 +376,8 @@ static int tmio_mmc_start_command(struct tmio_mmc_host *host, struct mmc_command
>                         c |= TRANSFER_MULTI;
>
>                         /*
> -                        * Disable auto CMD12 at IO_RW_EXTENDED and SET_BLOCK_COUNT
> -                        * when doing multiple block transfer
> +                        * Disable auto CMD12 at IO_RW_EXTENDED and
> +                        * SET_BLOCK_COUNT when doing multiple block transfer
>                          */
>                         if ((host->pdata->flags & TMIO_MMC_HAVE_CMD12_CTRL) &&
>                             (cmd->opcode == SD_IO_RW_EXTENDED || host->mrq->sbc))
> @@ -501,8 +502,6 @@ static void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
>
>         if (host->sg_off == host->sg_ptr->length)
>                 tmio_mmc_next_sg(host);
> -
> -       return;
>  }
>
>  static void tmio_mmc_check_bounce_buffer(struct tmio_mmc_host *host)
> @@ -510,6 +509,7 @@ static void tmio_mmc_check_bounce_buffer(struct tmio_mmc_host *host)
>         if (host->sg_ptr == &host->bounce_sg) {
>                 unsigned long flags;
>                 void *sg_vaddr = tmio_mmc_kmap_atomic(host->sg_orig, &flags);
> +
>                 memcpy(sg_vaddr, host->bounce_buf, host->bounce_sg.length);
>                 tmio_mmc_kunmap_atomic(host->sg_orig, &flags, sg_vaddr);
>         }
> @@ -574,6 +574,7 @@ EXPORT_SYMBOL_GPL(tmio_mmc_do_data_irq);
>  static void tmio_mmc_data_irq(struct tmio_mmc_host *host, unsigned int stat)
>  {
>         struct mmc_data *data;
> +
>         spin_lock(&host->lock);
>         data = host->data;
>
> @@ -618,8 +619,7 @@ static void tmio_mmc_data_irq(struct tmio_mmc_host *host, unsigned int stat)
>         spin_unlock(&host->lock);
>  }
>
> -static void tmio_mmc_cmd_irq(struct tmio_mmc_host *host,
> -       unsigned int stat)
> +static void tmio_mmc_cmd_irq(struct tmio_mmc_host *host, unsigned int stat)
>  {
>         struct mmc_command *cmd = host->cmd;
>         int i, addr;
> @@ -680,7 +680,7 @@ static void tmio_mmc_cmd_irq(struct tmio_mmc_host *host,
>  }
>
>  static bool __tmio_mmc_card_detect_irq(struct tmio_mmc_host *host,
> -                                     int ireg, int status)
> +                                      int ireg, int status)
>  {
>         struct mmc_host *mmc = host->mmc;
>
> @@ -698,14 +698,13 @@ static bool __tmio_mmc_card_detect_irq(struct tmio_mmc_host *host,
>         return false;
>  }
>
> -static bool __tmio_mmc_sdcard_irq(struct tmio_mmc_host *host,
> -                                int ireg, int status)
> +static bool __tmio_mmc_sdcard_irq(struct tmio_mmc_host *host, int ireg,
> +                                 int status)
>  {
>         /* Command completion */
>         if (ireg & (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT)) {
> -               tmio_mmc_ack_mmc_irqs(host,
> -                            TMIO_STAT_CMDRESPEND |
> -                            TMIO_STAT_CMDTIMEOUT);
> +               tmio_mmc_ack_mmc_irqs(host, TMIO_STAT_CMDRESPEND |
> +                                     TMIO_STAT_CMDTIMEOUT);
>                 tmio_mmc_cmd_irq(host, status);
>                 return true;
>         }
> @@ -776,7 +775,7 @@ irqreturn_t tmio_mmc_irq(int irq, void *devid)
>  EXPORT_SYMBOL_GPL(tmio_mmc_irq);
>
>  static int tmio_mmc_start_data(struct tmio_mmc_host *host,
> -       struct mmc_data *data)
> +                              struct mmc_data *data)
>  {
>         struct tmio_mmc_data *pdata = host->pdata;
>
> @@ -831,7 +830,7 @@ static int tmio_mmc_execute_tuning(struct mmc_host *mmc, u32 opcode)
>
>         if (host->tap_num * 2 >= sizeof(host->taps) * BITS_PER_BYTE) {
>                 dev_warn_once(&host->pdev->dev,
> -                     "Too many taps, skipping tuning. Please consider updating size of taps field of tmio_mmc_host\n");
> +                       "Too many taps, skipping tuning. Please consider updating size of taps field of tmio_mmc_host\n");
>                 goto out;
>         }
>
> @@ -862,7 +861,8 @@ static int tmio_mmc_execute_tuning(struct mmc_host *mmc, u32 opcode)
>         return ret;
>  }
>
> -static void tmio_process_mrq(struct tmio_mmc_host *host, struct mmc_request *mrq)
> +static void tmio_process_mrq(struct tmio_mmc_host *host,
> +                            struct mmc_request *mrq)
>  {
>         struct mmc_command *cmd;
>         int ret;
> @@ -1030,7 +1030,7 @@ static void tmio_mmc_power_off(struct tmio_mmc_host *host)
>  }
>
>  static void tmio_mmc_set_bus_width(struct tmio_mmc_host *host,
> -                               unsigned char bus_width)
> +                                  unsigned char bus_width)
>  {
>         u16 reg = sd_ctrl_read16(host, CTL_SD_MEM_CARD_OPT)
>                                 & ~(CARD_OPT_WIDTH | CARD_OPT_WIDTH8);
> @@ -1070,7 +1070,8 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
>                         dev_dbg(dev,
>                                 "%s.%d: CMD%u active since %lu, now %lu!\n",
>                                 current->comm, task_pid_nr(current),
> -                               host->mrq->cmd->opcode, host->last_req_ts, jiffies);
> +                               host->mrq->cmd->opcode, host->last_req_ts,
> +                               jiffies);
>                 }
>                 spin_unlock_irqrestore(&host->lock, flags);
>
> @@ -1117,6 +1118,7 @@ static int tmio_mmc_get_ro(struct mmc_host *mmc)
>         struct tmio_mmc_host *host = mmc_priv(mmc);
>         struct tmio_mmc_data *pdata = host->pdata;
>         int ret = mmc_gpio_get_ro(mmc);
> +
>         if (ret >= 0)
>                 return ret;
>
> @@ -1173,6 +1175,7 @@ static void tmio_mmc_of_parse(struct platform_device *pdev,
>                               struct tmio_mmc_data *pdata)
>  {
>         const struct device_node *np = pdev->dev.of_node;
> +
>         if (!np)
>                 return;
>
> @@ -1243,7 +1246,8 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host,
>                 return -ENOMEM;
>
>         tmio_mmc_ops.card_busy = _host->card_busy;
> -       tmio_mmc_ops.start_signal_voltage_switch = _host->start_signal_voltage_switch;
> +       tmio_mmc_ops.start_signal_voltage_switch =
> +               _host->start_signal_voltage_switch;
>         mmc->ops = &tmio_mmc_ops;
>
>         mmc->caps |= MMC_CAP_4_BIT_DATA | pdata->capabilities;
> diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
> index c83c16b931a8..26e8f8c0a6db 100644
> --- a/include/linux/mfd/tmio.h
> +++ b/include/linux/mfd/tmio.h
> @@ -13,15 +13,15 @@
>  #define tmio_ioread16(addr) readw(addr)
>  #define tmio_ioread16_rep(r, b, l) readsw(r, b, l)
>  #define tmio_ioread32(addr) \
> -       (((u32) readw((addr))) | (((u32) readw((addr) + 2)) << 16))
> +       (((u32)readw((addr))) | (((u32)readw((addr) + 2)) << 16))
>
>  #define tmio_iowrite8(val, addr) writeb((val), (addr))
>  #define tmio_iowrite16(val, addr) writew((val), (addr))
>  #define tmio_iowrite16_rep(r, b, l) writesw(r, b, l)
>  #define tmio_iowrite32(val, addr) \
>         do { \
> -       writew((val),       (addr)); \
> -       writew((val) >> 16, (addr) + 2); \
> +               writew((val),       (addr)); \
> +               writew((val) >> 16, (addr) + 2); \
>         } while (0)
>
>  #define CNF_CMD     0x04
> @@ -55,57 +55,57 @@
>         } while (0)
>
>  /* tmio MMC platform flags */
> -#define TMIO_MMC_WRPROTECT_DISABLE     (1 << 0)
> +#define TMIO_MMC_WRPROTECT_DISABLE     BIT(0)
>  /*
>   * Some controllers can support a 2-byte block size when the bus width
>   * is configured in 4-bit mode.
>   */
> -#define TMIO_MMC_BLKSZ_2BYTES          (1 << 1)
> +#define TMIO_MMC_BLKSZ_2BYTES          BIT(1)
>  /*
>   * Some controllers can support SDIO IRQ signalling.
>   */
> -#define TMIO_MMC_SDIO_IRQ              (1 << 2)
> +#define TMIO_MMC_SDIO_IRQ              BIT(2)
>
>  /* Some features are only available or tested on R-Car Gen2 or later */
> -#define TMIO_MMC_MIN_RCAR2             (1 << 3)
> +#define TMIO_MMC_MIN_RCAR2             BIT(3)
>
>  /*
>   * Some controllers require waiting for the SD bus to become
>   * idle before writing to some registers.
>   */
> -#define TMIO_MMC_HAS_IDLE_WAIT         (1 << 4)
> +#define TMIO_MMC_HAS_IDLE_WAIT         BIT(4)
>  /*
>   * A GPIO is used for card hotplug detection. We need an extra flag for this,
>   * because 0 is a valid GPIO number too, and requiring users to specify
>   * cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility.
>   */
> -#define TMIO_MMC_USE_GPIO_CD           (1 << 5)
> +#define TMIO_MMC_USE_GPIO_CD           BIT(5)
>
>  /*
>   * Some controllers doesn't have over 0x100 register.
>   * it is used to checking accessibility of
>   * CTL_SD_CARD_CLK_CTL / CTL_CLK_AND_WAIT_CTL
>   */
> -#define TMIO_MMC_HAVE_HIGH_REG         (1 << 6)
> +#define TMIO_MMC_HAVE_HIGH_REG         BIT(6)
>
>  /*
>   * Some controllers have CMD12 automatically
>   * issue/non-issue register
>   */
> -#define TMIO_MMC_HAVE_CMD12_CTRL       (1 << 7)
> +#define TMIO_MMC_HAVE_CMD12_CTRL       BIT(7)
>
>  /* Controller has some SDIO status bits which must be 1 */
> -#define TMIO_MMC_SDIO_STATUS_SETBITS   (1 << 8)
> +#define TMIO_MMC_SDIO_STATUS_SETBITS   BIT(8)
>
>  /*
>   * Some controllers have a 32-bit wide data port register
>   */
> -#define TMIO_MMC_32BIT_DATA_PORT       (1 << 9)
> +#define TMIO_MMC_32BIT_DATA_PORT       BIT(9)
>
>  /*
>   * Some controllers allows to set SDx actual clock
>   */
> -#define TMIO_MMC_CLK_ACTUAL            (1 << 10)
> +#define TMIO_MMC_CLK_ACTUAL            BIT(10)
>
>  int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
>  int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
> @@ -146,9 +146,9 @@ struct tmio_nand_data {
>
>  struct tmio_fb_data {
>         int                     (*lcd_set_power)(struct platform_device *fb_dev,
> -                                                               bool on);
> +                                                bool on);
>         int                     (*lcd_mode)(struct platform_device *fb_dev,
> -                                       const struct fb_videomode *mode);
> +                                           const struct fb_videomode *mode);
>         int                     num_modes;
>         struct fb_videomode     *modes;
>
> @@ -157,5 +157,4 @@ struct tmio_fb_data {
>         int                     width;
>  };
>
> -
>  #endif
> --
> 2.1.4
>
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