Module Name:    src
Committed By:   jmcneill
Date:           Sun Dec 29 12:46:43 UTC 2019

Modified Files:
        src/sys/dev/acpi: sdhc_acpi.c

Log Message:
Read clock frequency from device properties


To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/sys/dev/acpi/sdhc_acpi.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/acpi/sdhc_acpi.c
diff -u src/sys/dev/acpi/sdhc_acpi.c:1.8 src/sys/dev/acpi/sdhc_acpi.c:1.9
--- src/sys/dev/acpi/sdhc_acpi.c:1.8	Tue Oct 15 00:13:52 2019
+++ src/sys/dev/acpi/sdhc_acpi.c	Sun Dec 29 12:46:43 2019
@@ -1,4 +1,4 @@
-/*	$NetBSD: sdhc_acpi.c,v 1.8 2019/10/15 00:13:52 chs Exp $	*/
+/*	$NetBSD: sdhc_acpi.c,v 1.9 2019/12/29 12:46:43 jmcneill Exp $	*/
 
 /*
  * Copyright (c) 2016 Kimihiro Nonaka <non...@netbsd.org>
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sdhc_acpi.c,v 1.8 2019/10/15 00:13:52 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sdhc_acpi.c,v 1.9 2019/12/29 12:46:43 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -135,6 +135,7 @@ sdhc_acpi_attach(device_t parent, device
 	struct acpi_mem *mem;
 	struct acpi_irq *irq;
 	ACPI_STATUS rv;
+	ACPI_INTEGER clock_freq;
 
 	sc->sc.sc_dev = self;
 	sc->sc.sc_dmat = aa->aa_dmat;
@@ -193,6 +194,12 @@ sdhc_acpi_attach(device_t parent, device
 	/* Enable DMA transfer */
 	sc->sc.sc_flags |= SDHC_FLAG_USE_DMA;
 
+	/* Read clock frequency from device properties */
+	rv = acpi_dsd_integer(aa->aa_node->ad_handle, "clock-frequency",
+	    &clock_freq);
+	if (ACPI_SUCCESS(rv))
+		sc->sc.sc_clkbase = clock_freq / 1000;
+
 	if (sdhc_host_found(&sc->sc, sc->sc_memt, sc->sc_memh,
 	    sc->sc_memsize) != 0) {
 		aprint_error_dev(self, "couldn't initialize host\n");

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