On Mon, Aug 25, 2014 at 12:01 PM, Stephen Warren swar...@wwwdotorg.org wrote:
On 08/18/2014 11:08 AM, Andrew Bresticker wrote:
The Tegra xHCI controller's firmware communicates requests to the host
processor through a mailbox interface. While there is only a single
communication channel,
On 08/27/2014 11:38 AM, Andrew Bresticker wrote:
On Mon, Aug 25, 2014 at 12:01 PM, Stephen Warren swar...@wwwdotorg.org wrote:
On 08/18/2014 11:08 AM, Andrew Bresticker wrote:
The Tegra xHCI controller's firmware communicates requests to the host
processor through a mailbox interface. While
On Wed, Aug 27, 2014 at 10:50 AM, Stephen Warren swar...@wwwdotorg.org wrote:
On 08/27/2014 11:38 AM, Andrew Bresticker wrote:
On Mon, Aug 25, 2014 at 12:01 PM, Stephen Warren swar...@wwwdotorg.org
wrote:
On 08/18/2014 11:08 AM, Andrew Bresticker wrote:
+static int
On 08/27/2014 12:13 PM, Andrew Bresticker wrote:
On Wed, Aug 27, 2014 at 10:50 AM, Stephen Warren swar...@wwwdotorg.org wrote:
On 08/27/2014 11:38 AM, Andrew Bresticker wrote:
On Mon, Aug 25, 2014 at 12:01 PM, Stephen Warren swar...@wwwdotorg.org
wrote:
On 08/18/2014 11:08 AM, Andrew
On 27 August 2014 23:08, Andrew Bresticker abres...@chromium.org wrote:
On Mon, Aug 25, 2014 at 12:01 PM, Stephen Warren swar...@wwwdotorg.org
wrote:
I'm not even sure if it's appropriate for the low-level mailbox driver to
know about the semantics of the message, rather than simply sending
On Wed, Aug 27, 2014 at 11:19 AM, Stephen Warren swar...@wwwdotorg.org wrote:
On 08/27/2014 12:13 PM, Andrew Bresticker wrote:
On Wed, Aug 27, 2014 at 10:50 AM, Stephen Warren swar...@wwwdotorg.org
wrote:
On 08/27/2014 11:38 AM, Andrew Bresticker wrote:
On Mon, Aug 25, 2014 at 12:01 PM,
On 08/27/2014 03:56 PM, Andrew Bresticker wrote:
On Wed, Aug 27, 2014 at 11:19 AM, Stephen Warren swar...@wwwdotorg.org wrote:
On 08/27/2014 12:13 PM, Andrew Bresticker wrote:
On Wed, Aug 27, 2014 at 10:50 AM, Stephen Warren swar...@wwwdotorg.org
wrote:
On 08/27/2014 11:38 AM, Andrew
On Mon, Aug 25, 2014 at 01:01:52PM -0600, Stephen Warren wrote:
On 08/18/2014 11:08 AM, Andrew Bresticker wrote:
[...]
+static int tegra_xusb_mbox_probe(struct platform_device *pdev)
+res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+if (!res)
+return -ENODEV;
On Tuesday 26 August 2014 08:57:31 Thierry Reding wrote:
On Mon, Aug 25, 2014 at 01:01:52PM -0600, Stephen Warren wrote:
On 08/18/2014 11:08 AM, Andrew Bresticker wrote:
[...]
+static int tegra_xusb_mbox_probe(struct platform_device *pdev)
+res = platform_get_resource(pdev,
On Tue, Aug 26, 2014 at 09:43:50AM +0200, Arnd Bergmann wrote:
On Tuesday 26 August 2014 08:57:31 Thierry Reding wrote:
On Mon, Aug 25, 2014 at 01:01:52PM -0600, Stephen Warren wrote:
On 08/18/2014 11:08 AM, Andrew Bresticker wrote:
[...]
+static int tegra_xusb_mbox_probe(struct
On Tuesday 26 August 2014 09:50:25 Thierry Reding wrote:
On Tue, Aug 26, 2014 at 09:43:50AM +0200, Arnd Bergmann wrote:
On Tuesday 26 August 2014 08:57:31 Thierry Reding wrote:
On Mon, Aug 25, 2014 at 01:01:52PM -0600, Stephen Warren wrote:
On 08/18/2014 11:08 AM, Andrew Bresticker
From: Thierry Reding
...
Is _nocache required? I don't see other drivers using it. I assume there's
nothing special about the mbox registers.
Most drivers should be using devm_ioremap_resource() which will use the
_nocache variant of devm_ioremap() when appropriate. Usually the region
On Tue, Aug 26, 2014 at 10:09:25AM +0200, Arnd Bergmann wrote:
On Tuesday 26 August 2014 09:50:25 Thierry Reding wrote:
On Tue, Aug 26, 2014 at 09:43:50AM +0200, Arnd Bergmann wrote:
On Tuesday 26 August 2014 08:57:31 Thierry Reding wrote:
On Mon, Aug 25, 2014 at 01:01:52PM -0600,
On Tuesday 26 August 2014 11:08:11 Thierry Reding wrote:
On Tue, Aug 26, 2014 at 10:09:25AM +0200, Arnd Bergmann wrote:
On Tuesday 26 August 2014 09:50:25 Thierry Reding wrote:
On Tue, Aug 26, 2014 at 09:43:50AM +0200, Arnd Bergmann wrote:
On Tuesday 26 August 2014 08:57:31 Thierry
On Tuesday 26 August 2014 08:54:53 David Laight wrote:
From: Thierry Reding
...
Is _nocache required? I don't see other drivers using it. I assume there's
nothing special about the mbox registers.
Most drivers should be using devm_ioremap_resource() which will use the
_nocache
On Tue, Aug 26, 2014 at 11:54:43AM +0200, Arnd Bergmann wrote:
On Tuesday 26 August 2014 11:08:11 Thierry Reding wrote:
On Tue, Aug 26, 2014 at 10:09:25AM +0200, Arnd Bergmann wrote:
On Tuesday 26 August 2014 09:50:25 Thierry Reding wrote:
On Tue, Aug 26, 2014 at 09:43:50AM +0200, Arnd
On Tuesday 26 August 2014 12:20:13 Thierry Reding wrote:
On Tue, Aug 26, 2014 at 11:54:43AM +0200, Arnd Bergmann wrote:
I'm not sure if it's really worth it. One thing we might do is just
remove all definitions of ioremap_nocache and add a wrapper to
include/linux/io.h, to make it more
On Tue, Aug 26, 2014 at 01:35:34PM +0200, Arnd Bergmann wrote:
On Tuesday 26 August 2014 12:20:13 Thierry Reding wrote:
On Tue, Aug 26, 2014 at 11:54:43AM +0200, Arnd Bergmann wrote:
I'm not sure if it's really worth it. One thing we might do is just
remove all definitions of
On 08/18/2014 11:08 AM, Andrew Bresticker wrote:
The Tegra xHCI controller's firmware communicates requests to the host
processor through a mailbox interface. While there is only a single
communication channel, messages sent by the controller can be divided
into two groups: those intended for
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