Re: [PATCH v4 2/6] input: touchscreen: ti_am335x_tsc: Remove udelay in interrupt handler

2014-11-17 Thread Vignesh R
On Monday 17 November 2014 01:53 PM, Richard Cochran wrote: > On Mon, Nov 17, 2014 at 09:57:05AM +0530, Vignesh R wrote: >> My patches are based on v3.18rc2. I tested my patches on am335x-evm >> using tslib. > > No beaglebone + cape testing? > >> Please explain "touch is broken"? What is the be

Re: [PATCH v4 2/6] input: touchscreen: ti_am335x_tsc: Remove udelay in interrupt handler

2014-11-17 Thread Richard Cochran
On Mon, Nov 17, 2014 at 09:57:05AM +0530, Vignesh R wrote: > My patches are based on v3.18rc2. I tested my patches on am335x-evm > using tslib. No beaglebone + cape testing? > Please explain "touch is broken"? What is the behaviour of TSC? With plain v3.17 plus your series, the cursor is almost

Re: [PATCH v4 2/6] input: touchscreen: ti_am335x_tsc: Remove udelay in interrupt handler

2014-11-16 Thread Vignesh R
On Sunday 16 November 2014 12:57 AM, Richard Cochran wrote: > On Fri, Nov 14, 2014 at 10:37:27AM +0530, Vignesh R wrote: >> From: Brad Griffis >> >> TSC interrupt handler had udelay to avoid reporting of false pen-up >> interrupt to user space. This patch implements workaround suggesting in >> A

Re: [PATCH v4 2/6] input: touchscreen: ti_am335x_tsc: Remove udelay in interrupt handler

2014-11-15 Thread Richard Cochran
On Fri, Nov 14, 2014 at 10:37:27AM +0530, Vignesh R wrote: > From: Brad Griffis > > TSC interrupt handler had udelay to avoid reporting of false pen-up > interrupt to user space. This patch implements workaround suggesting in > Advisory 1.0.31 of silicon errata for am335x, thus eliminating udelay

[PATCH v4 2/6] input: touchscreen: ti_am335x_tsc: Remove udelay in interrupt handler

2014-11-13 Thread Vignesh R
From: Brad Griffis TSC interrupt handler had udelay to avoid reporting of false pen-up interrupt to user space. This patch implements workaround suggesting in Advisory 1.0.31 of silicon errata for am335x, thus eliminating udelay and touchscreen lag. This also improves performance of touchscreen a