Re: Panda HDMI issue w/ 3.5-rc?

2012-06-01 Thread S, Venkatraman
On Fri, 2012-05-25 at 19:49 +0530, S, Venkatraman wrote: >>> >>> On Thu, May 24, 2012 at 10:56 PM, John Stultz >>>  wrote: >>>> >>>> Hey Arnd, Rob, >>>>    So after Arnd's help sorting a workaround for the mmc driver, I'm no

Re: Panda HDMI issue w/ 3.5-rc?

2012-05-25 Thread S, Venkatraman
On Thu, May 24, 2012 at 10:56 PM, John Stultz wrote: > Hey Arnd, Rob, >    So after Arnd's help sorting a workaround for the mmc driver, I'm now > trying to sort out the following HDMI failure I'm seeing w/ the current > 3.5-rc with my Panda Board. > > [    2.973693] omapdss error: HPD IRQ request

Re: [PATCH v2 6/6] mmc: omap_hsmmc: Don't expect MMC1 to always have vmmc supply

2012-02-21 Thread S, Venkatraman
On Tue, Feb 21, 2012 at 3:33 PM, Rajendra Nayak wrote: > > MMC1 is not the only instance that can be used/wired for SD. > So remove this assumption from the driver. > > Now that all the mmc id based usage is removed, get rid > of all the DEVID defines and also the 'id' field from the > omap_hsmmc_

Re: [PATCH 6/6] mmc: omap_hsmmc: Don't expect MMC1 to always have vmmc supply

2012-02-07 Thread S, Venkatraman
On Sat, Feb 4, 2012 at 8:21 PM, Rajendra Nayak wrote: > MMC1 is not the only instance that can be used/wired for SD. > So remove this assumption from the driver. > > Signed-off-by: Rajendra Nayak > --- >  drivers/mmc/host/omap_hsmmc.c |   14 -- >  1 files changed, 0 insertions(+), 14

Re: [PATCH 0/6] mmc: omap_hsmmc: Clean up use/abuse of pdev->id

2012-02-07 Thread S, Venkatraman
On Sat, Feb 4, 2012 at 8:21 PM, Rajendra Nayak wrote: > This series mainly cleans up all instances of hardcoding's in > the driver based on pdev->id. This is cleanup leading to the > DT adaptation of omap_hsmmc driver. > > Patches are based on 3.3-rc2 and can be found here > git://gitorious.org/om

Re: [PATCH] mmc: omap_hsmmc: DMA unmap only once in case of MMC error

2011-09-01 Thread S, Venkatraman
On Mon, Aug 29, 2011 at 3:38 AM, Per Forlin wrote: > Reported by Russell King: > > mmcblk0: error -84 transferring data, sector 149201, nr 64, > cmd response 0x900, card status 0xb00 > mmcblk0: retrying using single block read > > WARNING: at /home/rmk/git/linux-2.6-rmk/lib/dma-debug.

Re: [PATCH v8 00/12] use nonblock mmc requests to minimize latency

2011-06-30 Thread S, Venkatraman
On Thu, Jun 30, 2011 at 6:06 PM, Poddar, Sourav wrote: > On Tue, Jun 28, 2011 at 1:41 PM, Per Forlin wrote: >> How significant is the cache maintenance over head? >> It depends, the eMMC are much faster now >> compared to a few years ago and cache maintenance cost more due to >> multiple cache le

Re: [PATCH v7 01/11] mmc: add non-blocking mmc request function

2011-06-22 Thread S, Venkatraman
On Wed, Jun 22, 2011 at 2:38 PM, Per Forlin wrote: > On 22 June 2011 10:53, S, Venkatraman wrote: >> On Wed, Jun 22, 2011 at 2:15 PM, Per Forlin wrote: >>> On 22 June 2011 09:42, Venkatraman S wrote: >>>> On Wed, Jun 22, 2011 at 5:08 AM, Per Forlin wrote: >&g

Re: [PATCH v7 01/11] mmc: add non-blocking mmc request function

2011-06-22 Thread S, Venkatraman
On Wed, Jun 22, 2011 at 2:15 PM, Per Forlin wrote: > On 22 June 2011 09:42, Venkatraman S wrote: >> On Wed, Jun 22, 2011 at 5:08 AM, Per Forlin wrote: >>> Previously there has only been one function mmc_wait_for_req() >>> to start and wait for a request. This patch adds >>>  * mmc_start_req() -

Re: [PATCH v4 00/12] mmc: use nonblock mmc requests to minimize latency

2011-06-16 Thread S, Venkatraman
On Thu, May 26, 2011 at 3:27 AM, Per Forlin wrote: > How significant is the cache maintenance over head? > It depends, the eMMC are much faster now > compared to a few years ago and cache maintenance cost more due to > multiple cache levels and speculative cache pre-fetch. In relation the > cost f

Re: [PATCH v4 02/12] omap_hsmmc: use original sg_len for dma_unmap_sg

2011-06-16 Thread S, Venkatraman
On Thu, May 26, 2011 at 3:27 AM, Per Forlin wrote: > Don't use the returned sg_len from dma_map_sg() as inparameter > to dma_unmap_sg(). Use the original sg_len for both dma_map_sg > and dma_unmap_sg. > > Signed-off-by: Per Forlin > --- >  drivers/mmc/host/omap_hsmmc.c |    5 +++-- >  1 files cha

Re: [PATCH v4 03/12] omap_hsmmc: add support for pre_req and post_req

2011-06-16 Thread S, Venkatraman
On Thu, May 26, 2011 at 3:27 AM, Per Forlin wrote: > pre_req() runs dma_map_sg(), post_req() runs dma_unmap_sg. > If not calling pre_req() before omap_hsmmc_request() > dma_map_sg will be issued before starting the transfer. > It is optional to use pre_req(). If issuing pre_req() > post_req() must

Re: MMC HPI (was: Kernel WG Weekly Status report 2011-06-10)

2011-06-13 Thread S, Venkatraman
On Sat, Jun 11, 2011 at 11:12 AM, Dirk Behme wrote: > > On 10.06.2011 20:41, Mounir Bsaibes wrote: >> >> == Meetings minutes == >> https://wiki.linaro.org/WorkingGroups/Kernel/Meetings/2011-06-08 > > Does anybody have some additional details on MMC HPI interrupts? > > https://wiki.linaro.org/Worki