svn commit: r305112 - head/sys/arm/ti/am335x

[Luiz Otavio O Souza]

Author: loos
Date: Wed Aug 31 06:46:47 2016
New Revision: 305112
URL: https://svnweb.freebsd.org/changeset/base/305112

Log:
  Replace a magic number with the proper register name.
  
  Sponsored by:	Rubicon Communications, LLC (Netgate)

Modified:
  head/sys/arm/ti/am335x/am335x_prcm.c
  head/sys/arm/ti/am335x/am335x_scm.h

Modified: head/sys/arm/ti/am335x/am335x_prcm.c
==============================================================================
--- head/sys/arm/ti/am335x/am335x_prcm.c	Wed Aug 31 06:00:20 2016	(r305111)
+++ head/sys/arm/ti/am335x/am335x_prcm.c	Wed Aug 31 06:46:47 2016	(r305112)
@@ -619,10 +619,9 @@ am335x_clk_get_sysclk_freq(struct ti_clo
 {
 	uint32_t ctrl_status;
 
-	/* Read the input clock freq from the control module */
-	/* control_status reg (0x40) */
-	if (ti_scm_reg_read_4(0x40, &ctrl_status))
-		return ENXIO;
+	/* Read the input clock freq from the control module. */
+	if (ti_scm_reg_read_4(SCM_CTRL_STATUS, &ctrl_status))
+		return (ENXIO);
 
 	switch ((ctrl_status>>22) & 0x3) {
 	case 0x0:

Modified: head/sys/arm/ti/am335x/am335x_scm.h
==============================================================================
--- head/sys/arm/ti/am335x/am335x_scm.h	Wed Aug 31 06:00:20 2016	(r305111)
+++ head/sys/arm/ti/am335x/am335x_scm.h	Wed Aug 31 06:46:47 2016	(r305112)
@@ -29,6 +29,7 @@
 #define __AM335X_SCM_H__
 
 /* AM335x-specific registers for control module (scm) */
+#define	SCM_CTRL_STATUS	0x40
 #define	SCM_USB_CTRL0	0x620
 #define	SCM_USB_STS0	0x624
 #define	SCM_USB_CTRL1	0x628