Re: [PATCH 36/42] sata_fsl: move DPRINTK to ata debugging

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On 2/13/20 10:54 AM, Hannes Reinecke wrote:
> Replace all DPRINTK calls with the standard logging functions.
> 
> Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
> ---
>  drivers/ata/sata_fsl.c | 90 ++++++++++++++++++++++++++------------------------
>  1 file changed, 46 insertions(+), 44 deletions(-)
> 
> diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
> index 5d48e1d223fa..51627da79ffc 100644
> --- a/drivers/ata/sata_fsl.c
> +++ b/drivers/ata/sata_fsl.c
> @@ -311,10 +311,12 @@ static void fsl_sata_set_irq_coalescing(struct ata_host *host,
>  	intr_coalescing_ticks = ticks;
>  	spin_unlock_irqrestore(&host->lock, flags);
>  
> -	DPRINTK("interrupt coalescing, count = 0x%x, ticks = %x\n",
> -			intr_coalescing_count, intr_coalescing_ticks);
> -	DPRINTK("ICC register status: (hcr base: 0x%x) = 0x%x\n",
> -			hcr_base, ioread32(hcr_base + ICC));
> +	dev_dbg(host->dev,
> +		"%s: interrupt coalescing, count = 0x%x, ticks = %x\n",
> +		__func__, intr_coalescing_count, intr_coalescing_ticks);
> +	dev_dbg(host->dev,
> +		"%s: ICC register status: (hcr base: 0x%x) = 0x%x\n",
> +		__func__, hcr_base, ioread32(hcr_base + ICC));
>  }
>  
>  static ssize_t fsl_sata_intr_coalescing_show(struct device *dev,
> @@ -385,18 +387,19 @@ static ssize_t fsl_sata_rx_watermark_store(struct device *dev,
>  	return strlen(buf);
>  }
>  
> -static inline unsigned int sata_fsl_tag(unsigned int tag,
> +static inline unsigned int sata_fsl_tag(struct ata_port *ap,
> +					unsigned int tag,
>  					void __iomem *hcr_base)
>  {
>  	/* We let libATA core do actual (queue) tag allocation */
>  
>  	if (unlikely(tag >= SATA_FSL_QUEUE_DEPTH)) {
> -		DPRINTK("tag %d invalid : out of range\n", tag);
> +		ata_port_dbg(ap, "tag %d invalid : out of range\n", tag);
>  		return 0;
>  	}
>  
>  	if (unlikely((ioread32(hcr_base + CQ)) & (1 << tag))) {
> -		DPRINTK("tag %d invalid : in use!!\n", tag);
> +		ata_port_dbg(ap, "tag %d invalid : in use!!\n", tag);
>  		return 0;
>  	}
>  
> @@ -508,7 +511,7 @@ static enum ata_completion_errors sata_fsl_qc_prep(struct ata_queued_cmd *qc)
>  	struct sata_fsl_port_priv *pp = ap->private_data;
>  	struct sata_fsl_host_priv *host_priv = ap->host->private_data;
>  	void __iomem *hcr_base = host_priv->hcr_base;
> -	unsigned int tag = sata_fsl_tag(qc->hw_tag, hcr_base);
> +	unsigned int tag = sata_fsl_tag(ap, qc->hw_tag, hcr_base);
>  	struct command_desc *cd;
>  	u32 desc_info = CMD_DESC_RES | CMD_DESC_SNOOP_ENABLE;
>  	u32 num_prde = 0;
> @@ -557,7 +560,7 @@ static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc)
>  	struct ata_port *ap = qc->ap;
>  	struct sata_fsl_host_priv *host_priv = ap->host->private_data;
>  	void __iomem *hcr_base = host_priv->hcr_base;
> -	unsigned int tag = sata_fsl_tag(qc->hw_tag, hcr_base);
> +	unsigned int tag = sata_fsl_tag(ap, qc->hw_tag, hcr_base);
>  
>  	VPRINTK("xx_qc_issue called,CQ=0x%x,CA=0x%x,CE=0x%x,CC=0x%x\n",
>  		ioread32(CQ + hcr_base),
> @@ -586,7 +589,7 @@ static bool sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc)
>  	struct sata_fsl_port_priv *pp = qc->ap->private_data;
>  	struct sata_fsl_host_priv *host_priv = qc->ap->host->private_data;
>  	void __iomem *hcr_base = host_priv->hcr_base;
> -	unsigned int tag = sata_fsl_tag(qc->hw_tag, hcr_base);
> +	unsigned int tag = sata_fsl_tag(qc->ap, qc->hw_tag, hcr_base);
>  	struct command_desc *cd;
>  
>  	cd = pp->cmdentry + tag;
> @@ -850,7 +853,7 @@ static int sata_fsl_hardreset(struct ata_link *link, unsigned int *class,
>  			goto try_offline_again;
>  	}
>  
> -	DPRINTK("hardreset, controller off-lined\n");
> +	ata_port_dbg(ap, "hardreset, controller off-lined\n");
>  	VPRINTK("HStatus = 0x%x\n", ioread32(hcr_base + HSTATUS));
>  	VPRINTK("HControl = 0x%x\n", ioread32(hcr_base + HCONTROL));
>  
> @@ -880,7 +883,7 @@ static int sata_fsl_hardreset(struct ata_link *link, unsigned int *class,
>  		goto err;
>  	}
>  
> -	DPRINTK("hardreset, controller off-lined & on-lined\n");
> +	ata_port_dbg(ap, "controller off-lined & on-lined\n");
>  	VPRINTK("HStatus = 0x%x\n", ioread32(hcr_base + HSTATUS));
>  	VPRINTK("HControl = 0x%x\n", ioread32(hcr_base + HCONTROL));
>  
> @@ -962,7 +965,7 @@ static int sata_fsl_softreset(struct ata_link *link, unsigned int *class,
>  	tf.ctl |= ATA_SRST;	/* setup SRST bit in taskfile control reg */
>  	ata_tf_to_fis(&tf, pmp, 0, cfis);
>  
> -	DPRINTK("Dumping cfis : 0x%x, 0x%x, 0x%x, 0x%x\n",
> +	ata_port_dbg(ap, "Dumping cfis : 0x%x, 0x%x, 0x%x, 0x%x\n",
>  		cfis[0], cfis[1], cfis[2], cfis[3]);
>  
>  	/*
> @@ -970,7 +973,7 @@ static int sata_fsl_softreset(struct ata_link *link, unsigned int *class,
>  	 * other commands are active on the controller/device
>  	 */
>  
> -	DPRINTK("@Softreset, CQ = 0x%x, CA = 0x%x, CC = 0x%x\n",
> +	ata_port_dbg(ap, "CQ = 0x%x, CA = 0x%x, CC = 0x%x\n",
>  		ioread32(CQ + hcr_base),
>  		ioread32(CA + hcr_base), ioread32(CC + hcr_base));
>  
> @@ -983,15 +986,17 @@ static int sata_fsl_softreset(struct ata_link *link, unsigned int *class,
>  	if (temp & 0x1) {
>  		ata_port_warn(ap, "ATA_SRST issue failed\n");
>  
> -		DPRINTK("Softreset@5000,CQ=0x%x,CA=0x%x,CC=0x%x\n",
> +		ata_port_dbg(ap, "Softreset@5000,CQ=0x%x,CA=0x%x,CC=0x%x\n",
>  			ioread32(CQ + hcr_base),
>  			ioread32(CA + hcr_base), ioread32(CC + hcr_base));
>  
>  		sata_fsl_scr_read(&ap->link, SCR_ERROR, &Serror);
>  
> -		DPRINTK("HStatus = 0x%x\n", ioread32(hcr_base + HSTATUS));
> -		DPRINTK("HControl = 0x%x\n", ioread32(hcr_base + HCONTROL));
> -		DPRINTK("Serror = 0x%x\n", Serror);
> +		ata_port_dbg(ap,
> +			     "HStatus = 0x%x HControl = 0x%x Serror = 0x%x\n",
> +			     ioread32(hcr_base + HSTATUS),
> +			     ioread32(hcr_base + HCONTROL),
> +			     Serror);
>  		goto err;
>  	}
>  
> @@ -1049,7 +1054,7 @@ static int sata_fsl_softreset(struct ata_link *link, unsigned int *class,
>  static void sata_fsl_error_handler(struct ata_port *ap)
>  {
>  
> -	DPRINTK("in xx_error_handler\n");
> +	ata_port_dbg(ap, "ENTER\n");
>  	sata_pmp_error_handler(ap);
>  
>  }
> @@ -1092,7 +1097,7 @@ static void sata_fsl_error_intr(struct ata_port *ap)
>  	if (unlikely(SError & 0xFFFF0000))
>  		sata_fsl_scr_write(&ap->link, SCR_ERROR, SError);
>  
> -	DPRINTK("error_intr,hStat=0x%x,CE=0x%x,DE =0x%x,SErr=0x%x\n",
> +	ata_port_dbg(ap, "hStat=0x%x,CE=0x%x,DE =0x%x,SErr=0x%x\n",
>  		hstatus, cereg, ioread32(hcr_base + DE), SError);
>  
>  	/* handle fatal errors */
> @@ -1109,7 +1114,7 @@ static void sata_fsl_error_intr(struct ata_port *ap)
>  
>  	/* Handle PHYRDY change notification */
>  	if (hstatus & INT_ON_PHYRDY_CHG) {
> -		DPRINTK("SATA FSL: PHYRDY change indication\n");
> +		ata_port_dbg(ap, "PHYRDY change indication\n");
>  
>  		/* Setup a soft-reset EH action */
>  		ata_ehi_hotplugged(ehi);
> @@ -1130,7 +1135,7 @@ static void sata_fsl_error_intr(struct ata_port *ap)
>  		 */
>  		abort = 1;
>  
> -		DPRINTK("single device error, CE=0x%x, DE=0x%x\n",
> +		ata_port_dbg(ap, "single device error, CE=0x%x, DE=0x%x\n",
>  			ioread32(hcr_base + CE), ioread32(hcr_base + DE));
>  
>  		/* find out the offending link and qc */
> @@ -1235,12 +1240,12 @@ static void sata_fsl_host_intr(struct ata_port *ap)
>  	}
>  
>  	if (unlikely(SError & 0xFFFF0000)) {
> -		DPRINTK("serror @host_intr : 0x%x\n", SError);
> +		ata_port_dbg(ap, "serror @host_intr : 0x%x\n", SError);
>  		sata_fsl_error_intr(ap);
>  	}
>  
>  	if (unlikely(hstatus & status_mask)) {
> -		DPRINTK("error interrupt!!\n");
> +		ata_port_dbg(ap, "error interrupt!!\n");
>  		sata_fsl_error_intr(ap);
>  		return;
>  	}
> @@ -1258,17 +1263,15 @@ static void sata_fsl_host_intr(struct ata_port *ap)
>  		/* clear CC bit, this will also complete the interrupt */
>  		iowrite32(done_mask, hcr_base + CC);
>  
> -		DPRINTK("Status of all queues :\n");
> -		DPRINTK("done_mask/CC = 0x%x, CA = 0x%x, CE=0x%x\n",
> -			done_mask, ioread32(hcr_base + CA),
> -			ioread32(hcr_base + CE));
> +		ata_port_dbg(ap, "Status of all queues: done_mask/CC = 0x%x, CA = 0x%x, CE=0x%x\n",
> +			     done_mask, ioread32(hcr_base + CA),
> +			     ioread32(hcr_base + CE));
>  
>  		for (i = 0; i < SATA_FSL_QUEUE_DEPTH; i++) {
>  			if (done_mask & (1 << i))
> -				DPRINTK
> -				    ("completing ncq cmd,tag=%d,CC=0x%x,CA=0x%x\n",
> -				     i, ioread32(hcr_base + CC),
> -				     ioread32(hcr_base + CA));
> +				ata_port_dbg(ap, "completing ncq cmd,tag=%d,CC=0x%x,CA=0x%x\n",
> +					     i, ioread32(hcr_base + CC),
> +					     ioread32(hcr_base + CA));
>  		}
>  		ata_qc_complete_multiple(ap, ata_qc_get_active(ap) ^ done_mask);
>  		return;
> @@ -1277,16 +1280,16 @@ static void sata_fsl_host_intr(struct ata_port *ap)
>  		iowrite32(1, hcr_base + CC);
>  		qc = ata_qc_from_tag(ap, ATA_TAG_INTERNAL);
>  
> -		DPRINTK("completing non-ncq cmd, CC=0x%x\n",
> -			 ioread32(hcr_base + CC));
> +		ata_port_dbg(ap, "completing non-ncq cmd, CC=0x%x\n",
> +			     ioread32(hcr_base + CC));
>  
>  		if (qc) {
>  			ata_qc_complete(qc);
>  		}
>  	} else {
>  		/* Spurious Interrupt!! */
> -		DPRINTK("spurious interrupt!!, CC = 0x%x\n",
> -			ioread32(hcr_base + CC));
> +		ata_port_dbg(ap, "spurious interrupt!!, CC = 0x%x\n",
> +			     ioread32(hcr_base + CC));
>  		iowrite32(done_mask, hcr_base + CC);
>  		return;
>  	}
> @@ -1305,7 +1308,7 @@ static irqreturn_t sata_fsl_interrupt(int irq, void *dev_instance)
>  	interrupt_enables = ioread32(hcr_base + HSTATUS);
>  	interrupt_enables &= 0x3F;
>  
> -	DPRINTK("interrupt status 0x%x\n", interrupt_enables);
> +	ata_port_dbg(ap, "interrupt status 0x%x\n", interrupt_enables);
>  
>  	if (!interrupt_enables)
>  		return IRQ_NONE;
> @@ -1359,14 +1362,14 @@ static int sata_fsl_init_controller(struct ata_host *host)
>  	iowrite32((temp & ~0x3F), hcr_base + HCONTROL);
>  
>  	/* Disable interrupt coalescing control(icc), for the moment */
> -	DPRINTK("icc = 0x%x\n", ioread32(hcr_base + ICC));
> +	ata_port_dbg(ap, "icc = 0x%x\n", ioread32(hcr_base + ICC));
>  	iowrite32(0x01000000, hcr_base + ICC);
>  
>  	/* clear error registers, SError is cleared by libATA  */
>  	iowrite32(0x00000FFFF, hcr_base + CE);
>  	iowrite32(0x00000FFFF, hcr_base + DE);
>  
> - 	/*
> +x	/*

This needs to be removed.

Otherwise the patch looks fine:

Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

>  	 * reset the number of command complete bits which will cause the
>  	 * interrupt to be signaled
>  	 */
> @@ -1378,8 +1381,9 @@ static int sata_fsl_init_controller(struct ata_host *host)
>  	 * callback, that should also initiate the OOB, COMINIT sequence
>  	 */
>  
> -	DPRINTK("HStatus = 0x%x\n", ioread32(hcr_base + HSTATUS));
> -	DPRINTK("HControl = 0x%x\n", ioread32(hcr_base + HCONTROL));
> +	ata_port_dbg(ap, "HStatus = 0x%x HControl = 0x%x\n",
> +		     ioread32(hcr_base + HSTATUS),
> +		     ioread32(hcr_base + HCONTROL));
>  
>  	return 0;
>  }
> @@ -1458,9 +1462,7 @@ static int sata_fsl_probe(struct platform_device *ofdev)
>  		iowrite32(temp | TRANSCFG_RX_WATER_MARK, csr_base + TRANSCFG);
>  	}
>  
> -	DPRINTK("@reset i/o = 0x%x\n", ioread32(csr_base + TRANSCFG));
> -	DPRINTK("sizeof(cmd_desc) = %d\n", sizeof(struct command_desc));
> -	DPRINTK("sizeof(#define cmd_desc) = %d\n", SATA_FSL_CMD_DESC_SIZE);
> +	ata_port_dbg(ap, "@reset i/o = 0x%x\n", ioread32(csr_base + TRANSCFG));
>  
>  	host_priv = kzalloc(sizeof(struct sata_fsl_host_priv), GFP_KERNEL);
>  	if (!host_priv)
> 



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