Attachment 290662 Details for Bug 384981 – Add device software state

Add device software state

ssb-add-enable-swstate.patch (text/x-diff), 1.81 KB, created by Michael Buesch on 2008-01-02 15:04:27 UTC

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Creator: Michael Buesch

Created: 2008-01-02 15:04:27 UTC

Size: 1.81 KB

patch

obsolete

>Index: wireless-2.6/drivers/ssb/main.c
>===================================================================
>--- wireless-2.6.orig/drivers/ssb/main.c	2007-12-08 22:47:34.000000000 +0100
>+++ wireless-2.6/drivers/ssb/main.c	2008-01-02 15:59:56.000000000 +0100
>@@ -946,6 +946,8 @@ void ssb_device_enable(struct ssb_device
> 	ssb_write32(dev, SSB_TMSLOW, SSB_TMSLOW_CLOCK |
> 		    core_specific_flags);
> 	ssb_flush_tmslow(dev);
>+
>+	dev->enabled = 1;
> }
> EXPORT_SYMBOL(ssb_device_enable);
> 
>@@ -979,6 +981,10 @@ void ssb_device_disable(struct ssb_devic
> {
> 	u32 reject;
> 
>+	if (!dev->enabled)
>+		return;
>+
>+	dev->enabled = 0;
> 	if (ssb_read32(dev, SSB_TMSLOW) & SSB_TMSLOW_RESET)
> 		return;
> 
>Index: wireless-2.6/include/linux/ssb/ssb.h
>===================================================================
>--- wireless-2.6.orig/include/linux/ssb/ssb.h	2007-12-08 22:47:34.000000000 +0100
>+++ wireless-2.6/include/linux/ssb/ssb.h	2008-01-02 15:56:37.000000000 +0100
>@@ -117,6 +117,13 @@ struct ssb_device {
> 	struct ssb_device_id id;
> 
> 	u8 core_index;
>+
>+	/* Is this device enabled by ssb_device_enable()?
>+	 * Note that some devices are always enabled in hardware and we don't
>+	 * need to enable these in software explicitely. So this variable would
>+	 * be false for such devices. */
>+	bool enabled;
>+
> 	unsigned int irq;
> 
> 	/* Internal-only stuff follows. */
>@@ -305,7 +312,9 @@ extern void ssb_bus_unregister(struct ss
> 
> extern u32 ssb_clockspeed(struct ssb_bus *bus);
> 
>-/* Is the device enabled in hardware? */
>+/* Is the device enabled in hardware?
>+ * Note that this does check the _hardware_ status by reading it directly
>+ * from hardware. This ignores the dev->enabled value. */
> int ssb_device_is_enabled(struct ssb_device *dev);
> /* Enable a device and pass device-specific SSB_TMSLOW flags.
>  * If no device-specific flags are available, use 0. */

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Attachments on bug 384981: 260051 | 285841 | 289736 | 289737 | 289739 | 290296 | 290653 | 290654 | 290662 | 293058 | 293059 | 298154 | 298194 | 298210 | 298595 | 301430 | 301806 | 301817 | 302013 | 302273 | 308869