Author: jhibbits
Date: Sat Apr 1 22:35:03 2017
New Revision: 316379
URL: https://svnweb.freebsd.org/changeset/base/316379
Log:
Use the newly added mpc85xx_get_system_clock()
Simplify the platform clock acquisition by using the new helper function.
Modified:
head/sys/dev/sdhci/fsl_sdhci.c
Modified: head/sys/dev/sdhci/fsl_sdhci.c
==============================================================================
--- head/sys/dev/sdhci/fsl_sdhci.c Sat Apr 1 22:29:11 2017
(r316378)
+++ head/sys/dev/sdhci/fsl_sdhci.c Sat Apr 1 22:35:03 2017
(r316379)
@@ -58,6 +58,10 @@ __FBSDID("$FreeBSD$");
#include <arm/freescale/imx/imx_ccmvar.h>
#endif
+#ifdef __powerpc__
+#include <powerpc/mpc85xx/mpc85xx.h>
+#endif
+
#include <dev/gpio/gpiobusvar.h>
#include <dev/ofw/ofw_bus.h>
@@ -767,7 +771,6 @@ fsl_sdhci_get_card_present(device_t dev,
static uint32_t
fsl_sdhci_get_platform_clock(device_t dev)
{
- device_t parent;
phandle_t node;
uint32_t clock;
@@ -777,23 +780,14 @@ fsl_sdhci_get_platform_clock(device_t de
if((OF_getprop(node, "clock-frequency", (void *)&clock,
sizeof(clock)) <= 0) || (clock == 0)) {
- /*
- * Trying to get clock from parent device (soc) if correct
- * clock cannot be acquired from sdhci node.
- */
- parent = device_get_parent(dev);
- node = ofw_bus_get_node(parent);
+ clock = mpc85xx_get_system_clock();
- /* Get soc properties */
- if ((OF_getprop(node, "bus-frequency", (void *)&clock,
- sizeof(clock)) <= 0) || (clock == 0)) {
+ if (clock == 0) {
device_printf(dev,"Cannot acquire correct sdhci "
"frequency from DTS.\n");
return (0);
}
- /* eSDHC clock is 1/2 platform clock. */
- clock /= 2;
}
if (bootverbose)
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
