svn commit: r309347 - head/sys/arm/ti/cpsw

[Luiz Otavio O Souza]

Author: loos
Date: Thu Dec  1 03:34:04 2016
New Revision: 309347
URL: https://svnweb.freebsd.org/changeset/base/309347

Log:
  MDIO_PHYACCESS_ACK is only valid for read access, remove it from
  miibus_writereg.
  
  Reduce the DELAY() between reads while waiting for MII access.
  
  Spotted by:	yongari
  Sponsored by:	Rubicon Communications, LLC (Netgate)

Modified:
  head/sys/arm/ti/cpsw/if_cpsw.c
  head/sys/arm/ti/cpsw/if_cpswvar.h

Modified: head/sys/arm/ti/cpsw/if_cpsw.c
==============================================================================
--- head/sys/arm/ti/cpsw/if_cpsw.c	Thu Dec  1 03:27:16 2016	(r309346)
+++ head/sys/arm/ti/cpsw/if_cpsw.c	Thu Dec  1 03:34:04 2016	(r309347)
@@ -1512,9 +1512,6 @@ cpswp_miibus_writereg(device_t dev, int 
 		return (0);
 	}
 
-	if ((cpsw_read_4(sc->swsc, sc->phyaccess) & MDIO_PHYACCESS_ACK) == 0)
-		device_printf(dev, "Failed to write to PHY.\n");
-
 	return (0);
 }
 

Modified: head/sys/arm/ti/cpsw/if_cpswvar.h
==============================================================================
--- head/sys/arm/ti/cpsw/if_cpswvar.h	Thu Dec  1 03:27:16 2016	(r309346)
+++ head/sys/arm/ti/cpsw/if_cpswvar.h	Thu Dec  1 03:34:04 2016	(r309347)
@@ -33,8 +33,8 @@
 #define	CPSW_INTR_COUNT		4
 
 /* MII BUS  */
-#define	CPSW_MIIBUS_RETRIES	5
-#define	CPSW_MIIBUS_DELAY	1000
+#define	CPSW_MIIBUS_RETRIES	20
+#define	CPSW_MIIBUS_DELAY	100
 
 #define	CPSW_MAX_ALE_ENTRIES	1024