Re: [PATCH] mailbox/bcm2835: Fix mailbox full detection.

2015-05-29 Thread Jassi Brar
On Fri, May 29, 2015 at 2:15 AM, Stephen Warren wrote: > On 05/13/2015 02:10 PM, Eric Anholt wrote: >> >> With the VC reader blocked and the ARM writing, MAIL0_STA reads empty >> permanently while MAIL1_STA goes from empty (0x4000) to non-empty >> (0x0001-0x0007) to full (0x8008).

Re: [PATCH] mailbox/bcm2835: Fix mailbox full detection.

2015-05-29 Thread Jassi Brar
On Fri, May 29, 2015 at 3:16 AM, Eric Anholt wrote: > Stephen Warren writes: > >> On 05/13/2015 02:10 PM, Eric Anholt wrote: >>> With the VC reader blocked and the ARM writing, MAIL0_STA reads empty >>> permanently while MAIL1_STA goes from empty (0x4000) to non-empty >>>

Re: [PATCH] mailbox/bcm2835: Fix mailbox full detection.

2015-05-29 Thread Jassi Brar
On Fri, May 29, 2015 at 3:16 AM, Eric Anholt e...@anholt.net wrote: Stephen Warren swar...@wwwdotorg.org writes: On 05/13/2015 02:10 PM, Eric Anholt wrote: With the VC reader blocked and the ARM writing, MAIL0_STA reads empty permanently while MAIL1_STA goes from empty (0x4000) to

Re: [PATCH] mailbox/bcm2835: Fix mailbox full detection.

2015-05-29 Thread Jassi Brar
On Fri, May 29, 2015 at 2:15 AM, Stephen Warren swar...@wwwdotorg.org wrote: On 05/13/2015 02:10 PM, Eric Anholt wrote: With the VC reader blocked and the ARM writing, MAIL0_STA reads empty permanently while MAIL1_STA goes from empty (0x4000) to non-empty (0x0001-0x0007) to full

Re: [PATCH] mailbox/bcm2835: Fix mailbox full detection.

2015-05-28 Thread Eric Anholt
Stephen Warren writes: > On 05/13/2015 02:10 PM, Eric Anholt wrote: >> With the VC reader blocked and the ARM writing, MAIL0_STA reads empty >> permanently while MAIL1_STA goes from empty (0x4000) to non-empty >> (0x0001-0x0007) to full (0x8008). >> >> This bug ended up having no

Re: [PATCH] mailbox/bcm2835: Fix mailbox full detection.

2015-05-28 Thread Stephen Warren
On 05/13/2015 02:10 PM, Eric Anholt wrote: With the VC reader blocked and the ARM writing, MAIL0_STA reads empty permanently while MAIL1_STA goes from empty (0x4000) to non-empty (0x0001-0x0007) to full (0x8008). This bug ended up having no effect on us, because all of our

Re: [PATCH] mailbox/bcm2835: Fix mailbox full detection.

2015-05-28 Thread Stephen Warren
On 05/13/2015 02:10 PM, Eric Anholt wrote: With the VC reader blocked and the ARM writing, MAIL0_STA reads empty permanently while MAIL1_STA goes from empty (0x4000) to non-empty (0x0001-0x0007) to full (0x8008). This bug ended up having no effect on us, because all of our

Re: [PATCH] mailbox/bcm2835: Fix mailbox full detection.

2015-05-28 Thread Eric Anholt
Stephen Warren swar...@wwwdotorg.org writes: On 05/13/2015 02:10 PM, Eric Anholt wrote: With the VC reader blocked and the ARM writing, MAIL0_STA reads empty permanently while MAIL1_STA goes from empty (0x4000) to non-empty (0x0001-0x0007) to full (0x8008). This bug ended up

[PATCH] mailbox/bcm2835: Fix mailbox full detection.

2015-05-13 Thread Eric Anholt
With the VC reader blocked and the ARM writing, MAIL0_STA reads empty permanently while MAIL1_STA goes from empty (0x4000) to non-empty (0x0001-0x0007) to full (0x8008). This bug ended up having no effect on us, because all of our transactions in the client driver were synchronous

[PATCH] mailbox/bcm2835: Fix mailbox full detection.

2015-05-13 Thread Eric Anholt
With the VC reader blocked and the ARM writing, MAIL0_STA reads empty permanently while MAIL1_STA goes from empty (0x4000) to non-empty (0x0001-0x0007) to full (0x8008). This bug ended up having no effect on us, because all of our transactions in the client driver were synchronous