From: Michael Buesch <mb@bu3sch.de>
To: John Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Subject: [PATCH] ssb: Fix watchdog access for devices without a chipcommon
Date: Tue, 19 Feb 2008 12:41:30 +0100 [thread overview]
Message-ID: <200802191241.30178.mb@bu3sch.de> (raw)
This fixes the SSB watchdog access for devices without a chipcommon.
These devices have the watchdog on the extif.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
---
Fix for 2.6.25.
Index: wireless-testing/drivers/ssb/Kconfig
===================================================================
--- wireless-testing.orig/drivers/ssb/Kconfig 2008-02-16 19:08:13.000000000 +0100
+++ wireless-testing/drivers/ssb/Kconfig 2008-02-19 12:22:07.000000000 +0100
@@ -105,6 +105,12 @@ config SSB_DRIVER_MIPS
If unsure, say N
+# Assumption: We are on embedded, if we compile the MIPS core.
+config SSB_EMBEDDED
+ bool
+ depends on SSB_DRIVER_MIPS
+ default y
+
config SSB_DRIVER_EXTIF
bool "SSB Broadcom EXTIF core driver (EXPERIMENTAL)"
depends on SSB_DRIVER_MIPS && EXPERIMENTAL
Index: wireless-testing/drivers/ssb/Makefile
===================================================================
--- wireless-testing.orig/drivers/ssb/Makefile 2008-02-16 19:08:13.000000000 +0100
+++ wireless-testing/drivers/ssb/Makefile 2008-02-19 12:20:56.000000000 +0100
@@ -1,5 +1,6 @@
# core
ssb-y += main.o scan.o
+ssb-$(CONFIG_SSB_EMBEDDED) += embedded.o
# host support
ssb-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o
Index: wireless-testing/drivers/ssb/driver_extif.c
===================================================================
--- wireless-testing.orig/drivers/ssb/driver_extif.c 2008-02-16 19:08:13.000000000 +0100
+++ wireless-testing/drivers/ssb/driver_extif.c 2008-02-19 12:04:06.000000000 +0100
@@ -110,6 +110,12 @@ void ssb_extif_get_clockcontrol(struct s
*m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
}
+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+ u32 ticks)
+{
+ extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks);
+}
+
u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask)
{
return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask;
Index: wireless-testing/drivers/ssb/embedded.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ wireless-testing/drivers/ssb/embedded.c 2008-02-19 12:16:54.000000000 +0100
@@ -0,0 +1,26 @@
+/*
+ * Sonics Silicon Backplane
+ * Embedded systems support code
+ *
+ * Copyright 2005-2008, Broadcom Corporation
+ * Copyright 2006-2008, Michael Buesch <mb@bu3sch.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+#include <linux/ssb/ssb_embedded.h>
+
+
+int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
+{
+ if (ssb_chipco_available(&bus->chipco)) {
+ ssb_chipco_watchdog_timer_set(&bus->chipco, ticks);
+ return 0;
+ }
+ if (ssb_extif_available(&bus->extif)) {
+ ssb_extif_watchdog_timer_set(&bus->extif, ticks);
+ return 0;
+ }
+ return -ENODEV;
+}
Index: wireless-testing/include/linux/ssb/ssb_driver_chipcommon.h
===================================================================
--- wireless-testing.orig/include/linux/ssb/ssb_driver_chipcommon.h 2008-02-19 00:19:22.000000000 +0100
+++ wireless-testing/include/linux/ssb/ssb_driver_chipcommon.h 2008-02-19 12:14:54.000000000 +0100
@@ -357,6 +357,11 @@ struct ssb_chipcommon {
u16 fast_pwrup_delay;
};
+static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
+{
+ return (cc->dev != NULL);
+}
+
extern void ssb_chipcommon_init(struct ssb_chipcommon *cc);
#include <linux/pm.h>
Index: wireless-testing/include/linux/ssb/ssb_driver_extif.h
===================================================================
--- wireless-testing.orig/include/linux/ssb/ssb_driver_extif.h 2008-02-16 19:08:15.000000000 +0100
+++ wireless-testing/include/linux/ssb/ssb_driver_extif.h 2008-02-19 12:13:34.000000000 +0100
@@ -171,6 +171,9 @@ extern void ssb_extif_get_clockcontrol(s
extern void ssb_extif_timing_init(struct ssb_extif *extif,
unsigned long ns);
+extern void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+ u32 ticks);
+
u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask);
void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value);
@@ -200,5 +203,11 @@ void ssb_extif_get_clockcontrol(struct s
{
}
+static inline
+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+ u32 ticks)
+{
+}
+
#endif /* CONFIG_SSB_DRIVER_EXTIF */
#endif /* LINUX_SSB_EXTIFCORE_H_ */
Index: wireless-testing/include/linux/ssb/ssb_embedded.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ wireless-testing/include/linux/ssb/ssb_embedded.h 2008-02-19 12:18:38.000000000 +0100
@@ -0,0 +1,10 @@
+#ifndef LINUX_SSB_EMBEDDED_H_
+#define LINUX_SSB_EMBEDDED_H_
+
+#include <linux/types.h>
+#include <linux/ssb/ssb.h>
+
+
+extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks);
+
+#endif /* LINUX_SSB_EMBEDDED_H_ */
--
Greetings Michael.
reply other threads:[~2008-02-19 11:59 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200802191241.30178.mb@bu3sch.de \
--to=mb@bu3sch.de \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).