[PATCH] libata: implement ATA_EHI_PRINTINFO

Implement ehi flag ATA_EHI_PRINTINFO.  This flag is set when device
configuration needs to print out device info.  This used to be handled
by @print_info argument to ata_dev_configure() but LLDs also need to
know about it in ->dev_config() callback.

This patch replaces @print_info w/ ATA_EHI_PRINTINFO and make sata_sil
print workaround messages only on the initial configuration.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

4 files changed, 19 insertions, 11 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 315f46841f68..e294731a7edd 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1377,7 +1377,6 @@ static void ata_set_port_max_cmd_len(struct ata_port *ap)
 /**
  *      ata_dev_configure - Configure the specified ATA/ATAPI device
  *      @dev: Target device to configure
- *      @print_info: Enable device info printout
  *
  *      Configure @dev according to @dev->id.  Generic and low-level
  *      driver specific fixups are also applied.
@@ -1388,9 +1387,10 @@ static void ata_set_port_max_cmd_len(struct ata_port *ap)
  *      RETURNS:
  *      0 on success, -errno otherwise
  */
-int ata_dev_configure(struct ata_device *dev, int print_info)
+int ata_dev_configure(struct ata_device *dev)
 {
         struct ata_port *ap = dev->ap;
+        int print_info = ap->eh_context.i.flags & ATA_EHI_PRINTINFO;
         const u16 *id = dev->id;
         unsigned int xfer_mask;
         char revbuf[7];         /* XYZ-99\0 */
@@ -1638,7 +1638,9 @@ int ata_bus_probe(struct ata_port *ap)
                 if (rc)
                         goto fail;
 
-                rc = ata_dev_configure(dev, 1);
+                ap->eh_context.i.flags |= ATA_EHI_PRINTINFO;
+                rc = ata_dev_configure(dev);
+                ap->eh_context.i.flags &= ~ATA_EHI_PRINTINFO;
                 if (rc)
                         goto fail;
         }
@@ -3045,7 +3047,7 @@ int ata_dev_revalidate(struct ata_device *dev, int post_reset)
         memcpy(dev->id, id, sizeof(id[0]) * ATA_ID_WORDS);
 
         /* configure device according to the new ID */
-        rc = ata_dev_configure(dev, 0);
+        rc = ata_dev_configure(dev);
         if (rc == 0)
                 return 0;
 
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 02b2b2787d9b..7c446442616c 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1661,8 +1661,11 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap,
                         dev->class = ehc->classes[dev->devno];
 
                         rc = ata_dev_read_id(dev, &dev->class, 1, dev->id);
-                        if (rc == 0)
-                                rc = ata_dev_configure(dev, 1);
+                        if (rc == 0) {
+                                ehc->i.flags |= ATA_EHI_PRINTINFO;
+                                rc = ata_dev_configure(dev);
+                                ehc->i.flags &= ~ATA_EHI_PRINTINFO;
+                        }
 
                         if (rc) {
                                 dev->class = ATA_DEV_UNKNOWN;
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index c83300055ec5..e4ffb2e38992 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -54,7 +54,7 @@ extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
 extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
                            int post_reset, u16 *id);
 extern int ata_dev_revalidate(struct ata_device *dev, int post_reset);
-extern int ata_dev_configure(struct ata_device *dev, int print_info);
+extern int ata_dev_configure(struct ata_device *dev);
 extern int sata_down_spd_limit(struct ata_port *ap);
 extern int sata_set_spd_needed(struct ata_port *ap);
 extern int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0);
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index ca8d99312472..f844a1faba18 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -534,6 +534,7 @@ static void sil_thaw(struct ata_port *ap)
  */
 static void sil_dev_config(struct ata_port *ap, struct ata_device *dev)
 {
+        int print_info = ap->eh_context.i.flags & ATA_EHI_PRINTINFO;
         unsigned int n, quirks = 0;
         unsigned char model_num[41];
 
@@ -549,16 +550,18 @@ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev)
         if (slow_down ||
             ((ap->flags & SIL_FLAG_MOD15WRITE) &&
              (quirks & SIL_QUIRK_MOD15WRITE))) {
-                ata_dev_printk(dev, KERN_INFO, "applying Seagate errata fix "
-                               "(mod15write workaround)\n");
+                if (print_info)
+                        ata_dev_printk(dev, KERN_INFO, "applying Seagate "
+                                       "errata fix (mod15write workaround)\n");
                 dev->max_sectors = 15;
                 return;
         }
 
         /* limit to udma5 */
         if (quirks & SIL_QUIRK_UDMA5MAX) {
-                ata_dev_printk(dev, KERN_INFO,
-                               "applying Maxtor errata fix %s\n", model_num);
+                if (print_info)
+                        ata_dev_printk(dev, KERN_INFO, "applying Maxtor "
+                                       "errata fix %s\n", model_num);
                 dev->udma_mask &= ATA_UDMA5;
                 return;
         }