On 2021/12/09 1:32, Hannes Reinecke wrote:
> Use standard dev_{dbg,info,notice,warn,err} macros instead of the
> hand-crafted printk helpers.
>
> Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
> ---
> drivers/ata/libata-acpi.c | 48 +++++++++++++++-------------
> drivers/ata/libata-core.c | 61 ------------------------------------
> drivers/ata/pata_ixp4xx_cf.c | 6 ++--
> include/linux/libata.h | 48 ++++++++++------------------
> 4 files changed, 45 insertions(+), 118 deletions(-)
>
> diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
> index 7a7d6642edcc..7007377880ce 100644
> --- a/drivers/ata/libata-acpi.c
> +++ b/drivers/ata/libata-acpi.c
> @@ -650,9 +650,7 @@ static int ata_acpi_run_tf(struct ata_device *dev,
> struct ata_taskfile *pptf = NULL;
> struct ata_taskfile tf, ptf, rtf;
> unsigned int err_mask;
> - const char *level;
> const char *descr;
> - char msg[60];
> int rc;
>
> if ((gtf->tf[0] == 0) && (gtf->tf[1] == 0) && (gtf->tf[2] == 0)
> @@ -666,6 +664,10 @@ static int ata_acpi_run_tf(struct ata_device *dev,
> pptf = &ptf;
> }
>
> + descr = ata_get_cmd_descript(tf.command);
> + if (!descr)
> + descr = "unknown";
Change ata_get_cmd_descript() last silly "return NULL;" to "return "unknown";"
and you can avoid the if here, and even the descr local variable.
This could be done in a prep patch.
While at it, I would rename this function to ata_cmd_name() to simplify things
("descript" is very misleading for just human readable string...).
> +
> if (!ata_acpi_filter_tf(dev, &tf, pptf)) {
> rtf = tf;
> err_mask = ata_exec_internal(dev, &rtf, NULL,
> @@ -673,40 +675,42 @@ static int ata_acpi_run_tf(struct ata_device *dev,
>
> switch (err_mask) {
> case 0:
> - level = KERN_DEBUG;
> - snprintf(msg, sizeof(msg), "succeeded");
> + ata_dev_dbg(dev,
> + "ACPI cmd %02x/%02x:%02x:%02x:%02x:%02x:%02x"
> + "(%s) succeeded\n",
> + tf.command, tf.feature, tf.nsect, tf.lbal,
> + tf.lbam, tf.lbah, tf.device, descr);
> rc = 1;
> break;
>
> case AC_ERR_DEV:
> - level = KERN_INFO;
> - snprintf(msg, sizeof(msg),
> - "rejected by device (Stat=0x%02x Err=0x%02x)",
> - rtf.command, rtf.feature);
> + ata_dev_info(dev,
> + "ACPI cmd %02x/%02x:%02x:%02x:%02x:%02x:%02x"
> + "(%s) rejected by device (Stat=0x%02x Err=0x%02x)",
> + tf.command, tf.feature, tf.nsect, tf.lbal,
> + tf.lbam, tf.lbah, tf.device, descr,
> + rtf.command, rtf.feature);
> rc = 0;
> break;
>
> default:
> - level = KERN_ERR;
> - snprintf(msg, sizeof(msg),
> - "failed (Emask=0x%x Stat=0x%02x Err=0x%02x)",
> - err_mask, rtf.command, rtf.feature);
> + ata_dev_err(dev,
> + "ACPI cmd %02x/%02x:%02x:%02x:%02x:%02x:%02x"
> + "(%s) failed (Emask=0x%x Stat=0x%02x Err=0x%02x)",
> + tf.command, tf.feature, tf.nsect, tf.lbal,
> + tf.lbam, tf.lbah, tf.device, descr,
> + err_mask, rtf.command, rtf.feature);
> rc = -EIO;
> break;
> }
> } else {
> - level = KERN_INFO;
> - snprintf(msg, sizeof(msg), "filtered out");
> + ata_dev_info(dev,
> + "ACPI cmd %02x/%02x:%02x:%02x:%02x:%02x:%02x"
> + "(%s) filtered out\n",
> + tf.command, tf.feature, tf.nsect, tf.lbal,
> + tf.lbam, tf.lbah, tf.device, descr);
> rc = 0;
> }
> - descr = ata_get_cmd_descript(tf.command);
> -
> - ata_dev_printk(dev, level,
> - "ACPI cmd %02x/%02x:%02x:%02x:%02x:%02x:%02x (%s) %s\n",
> - tf.command, tf.feature, tf.nsect, tf.lbal,
> - tf.lbam, tf.lbah, tf.device,
> - (descr ? descr : "unknown"), msg);
> -
> return rc;
> }
>
> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
> index ef5ae37bfac0..de5f4bf1c90c 100644
> --- a/drivers/ata/libata-core.c
> +++ b/drivers/ata/libata-core.c
> @@ -6548,67 +6548,6 @@ const struct ata_port_info ata_dummy_port_info = {
> };
> EXPORT_SYMBOL_GPL(ata_dummy_port_info);
>
> -/*
> - * Utility print functions
> - */
> -void ata_port_printk(const struct ata_port *ap, const char *level,
> - const char *fmt, ...)
> -{
> - struct va_format vaf;
> - va_list args;
> -
> - va_start(args, fmt);
> -
> - vaf.fmt = fmt;
> - vaf.va = &args;
> -
> - printk("%sata%u: %pV", level, ap->print_id, &vaf);
> -
> - va_end(args);
> -}
> -EXPORT_SYMBOL(ata_port_printk);
> -
> -void ata_link_printk(const struct ata_link *link, const char *level,
> - const char *fmt, ...)
> -{
> - struct va_format vaf;
> - va_list args;
> -
> - va_start(args, fmt);
> -
> - vaf.fmt = fmt;
> - vaf.va = &args;
> -
> - if (sata_pmp_attached(link->ap) || link->ap->slave_link)
> - printk("%sata%u.%02u: %pV",
> - level, link->ap->print_id, link->pmp, &vaf);
> - else
> - printk("%sata%u: %pV",
> - level, link->ap->print_id, &vaf);
> -
> - va_end(args);
> -}
> -EXPORT_SYMBOL(ata_link_printk);
> -
> -void ata_dev_printk(const struct ata_device *dev, const char *level,
> - const char *fmt, ...)
> -{
> - struct va_format vaf;
> - va_list args;
> -
> - va_start(args, fmt);
> -
> - vaf.fmt = fmt;
> - vaf.va = &args;
> -
> - printk("%sata%u.%02u: %pV",
> - level, dev->link->ap->print_id, dev->link->pmp + dev->devno,
> - &vaf);
> -
> - va_end(args);
> -}
> -EXPORT_SYMBOL(ata_dev_printk);
> -
> void ata_print_version(const struct device *dev, const char *version)
> {
> dev_printk(KERN_DEBUG, dev, "version %s\n", version);
> diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
> index 99c63087c8ae..17b557c91e1c 100644
> --- a/drivers/ata/pata_ixp4xx_cf.c
> +++ b/drivers/ata/pata_ixp4xx_cf.c
> @@ -114,7 +114,7 @@ static void ixp4xx_set_piomode(struct ata_port *ap, struct ata_device *adev)
> {
> struct ixp4xx_pata *ixpp = ap->host->private_data;
>
> - ata_dev_printk(adev, KERN_INFO, "configured for PIO%d 8bit\n",
> + ata_dev_info(adev, "configured for PIO%d 8bit\n",
> adev->pio_mode - XFER_PIO_0);
> ixp4xx_set_8bit_timing(ixpp, adev->pio_mode);
> }
> @@ -132,8 +132,8 @@ static unsigned int ixp4xx_mmio_data_xfer(struct ata_queued_cmd *qc,
> struct ixp4xx_pata *ixpp = ap->host->private_data;
> unsigned long flags;
>
> - ata_dev_printk(adev, KERN_DEBUG, "%s %d bytes\n", (rw == READ) ? "READ" : "WRITE",
> - buflen);
> + ata_dev_dbg(adev, "%s %d bytes\n", (rw == READ) ? "READ" : "WRITE",
> + buflen);
> spin_lock_irqsave(ap->lock, flags);
>
> /* set the expansion bus in 16bit mode and restore
> diff --git a/include/linux/libata.h b/include/linux/libata.h
> index 235fdbeb19ea..a807d2d43d70 100644
> --- a/include/linux/libata.h
> +++ b/include/linux/libata.h
> @@ -1489,51 +1489,38 @@ static inline int sata_srst_pmp(struct ata_link *link)
> return link->pmp;
> }
>
> -/*
> - * printk helpers
> - */
> -__printf(3, 4)
> -void ata_port_printk(const struct ata_port *ap, const char *level,
> - const char *fmt, ...);
> -__printf(3, 4)
> -void ata_link_printk(const struct ata_link *link, const char *level,
> - const char *fmt, ...);
> -__printf(3, 4)
> -void ata_dev_printk(const struct ata_device *dev, const char *level,
> - const char *fmt, ...);
> -
> #define ata_port_err(ap, fmt, ...) \
> - ata_port_printk(ap, KERN_ERR, fmt, ##__VA_ARGS__)
> + dev_err(&ap->tdev, fmt, ##__VA_ARGS__)
> #define ata_port_warn(ap, fmt, ...) \
> - ata_port_printk(ap, KERN_WARNING, fmt, ##__VA_ARGS__)
> + dev_warn(&ap->tdev, fmt, ##__VA_ARGS__)
> #define ata_port_notice(ap, fmt, ...) \
> - ata_port_printk(ap, KERN_NOTICE, fmt, ##__VA_ARGS__)
> + dev_notice(&ap->tdev, fmt, ##__VA_ARGS__)
> #define ata_port_info(ap, fmt, ...) \
> - ata_port_printk(ap, KERN_INFO, fmt, ##__VA_ARGS__)
> + dev_info(&ap->tdev, fmt, ##__VA_ARGS__)
> #define ata_port_dbg(ap, fmt, ...) \
> - ata_port_printk(ap, KERN_DEBUG, fmt, ##__VA_ARGS__)
> + dev_dbg(&ap->tdev, "%s: " fmt, __func__, ##__VA_ARGS__)
>
> #define ata_link_err(link, fmt, ...) \
> - ata_link_printk(link, KERN_ERR, fmt, ##__VA_ARGS__)
> + dev_err(&link->tdev, fmt, ##__VA_ARGS__)
> #define ata_link_warn(link, fmt, ...) \
> - ata_link_printk(link, KERN_WARNING, fmt, ##__VA_ARGS__)
> + dev_warn(&link->tdev, fmt, ##__VA_ARGS__)
> #define ata_link_notice(link, fmt, ...) \
> - ata_link_printk(link, KERN_NOTICE, fmt, ##__VA_ARGS__)
> + dev_notice(&link->tdev, fmt, ##__VA_ARGS__)
> #define ata_link_info(link, fmt, ...) \
> - ata_link_printk(link, KERN_INFO, fmt, ##__VA_ARGS__)
> + dev_info(&link->tdev, fmt, ##__VA_ARGS__)
> #define ata_link_dbg(link, fmt, ...) \
> - ata_link_printk(link, KERN_DEBUG, fmt, ##__VA_ARGS__)
> + dev_dbg(&link->tdev, "%s: " fmt, __func__, ##__VA_ARGS__)
>
> #define ata_dev_err(dev, fmt, ...) \
> - ata_dev_printk(dev, KERN_ERR, fmt, ##__VA_ARGS__)
> + dev_err(&dev->tdev, fmt, ##__VA_ARGS__)
> #define ata_dev_warn(dev, fmt, ...) \
> - ata_dev_printk(dev, KERN_WARNING, fmt, ##__VA_ARGS__)
> + dev_warn(&dev->tdev, fmt, ##__VA_ARGS__)
> #define ata_dev_notice(dev, fmt, ...) \
> - ata_dev_printk(dev, KERN_NOTICE, fmt, ##__VA_ARGS__)
> + dev_notice(&dev->tdev, fmt, ##__VA_ARGS__)
> #define ata_dev_info(dev, fmt, ...) \
> - ata_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__)
> + dev_info(&dev->tdev, fmt, ##__VA_ARGS__)
> #define ata_dev_dbg(dev, fmt, ...) \
> - ata_dev_printk(dev, KERN_DEBUG, fmt, ##__VA_ARGS__)
> + dev_dbg(&dev->tdev, "%s: " fmt, __func__, ##__VA_ARGS__)
>
> void ata_print_version(const struct device *dev, const char *version);
>
> @@ -2067,11 +2054,8 @@ static inline u8 ata_wait_idle(struct ata_port *ap)
> {
> u8 status = ata_sff_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
>
> -#ifdef ATA_DEBUG
> if (status != 0xff && (status & (ATA_BUSY | ATA_DRQ)))
> - ata_port_printk(ap, KERN_DEBUG, "abnormal Status 0x%X\n",
> - status);
> -#endif
> + ata_port_dbg(ap, "abnormal Status 0x%X\n", status);
>
> return status;
> }
>
--
Damien Le Moal
Western Digital Research
