Re: [PATCH 1/2] mmc: omap_hsmmc: Add support for slot-name property in DT

2016-01-02 Thread Arnd Bergmann
On Sunday 03 January 2016 00:03:54 Pali Rohár wrote: > On Saturday 02 January 2016 23:57:47 Arnd Bergmann wrote: > > On Saturday 02 January 2016 16:22:03 Pali Rohár wrote: > > > On Monday 28 December 2015 15:55:28 Arnd Bergmann wrote: > > > > On Monday 28 December 2015 15:54:35 Pali Rohár wrote: >

Re: [PATCH 1/2] mmc: omap_hsmmc: Add support for slot-name property in DT

2016-01-02 Thread Pali Rohár
On Saturday 02 January 2016 23:57:47 Arnd Bergmann wrote: > On Saturday 02 January 2016 16:22:03 Pali Rohár wrote: > > On Monday 28 December 2015 15:55:28 Arnd Bergmann wrote: > > > On Monday 28 December 2015 15:54:35 Pali Rohár wrote: > > > > > I mean you can add the platform data to the > > > > >

Re: [PATCH 1/2] mmc: omap_hsmmc: Add support for slot-name property in DT

2016-01-02 Thread Arnd Bergmann
On Saturday 02 January 2016 16:22:03 Pali Rohár wrote: > On Monday 28 December 2015 15:55:28 Arnd Bergmann wrote: > > On Monday 28 December 2015 15:54:35 Pali Rohár wrote: > > > > > > > > I mean you can add the platform data to the omap_auxdata_lookup[] > > > > table for this board. > > > > > > B

Re: [PATCH 1/2] mmc: omap_hsmmc: Add support for slot-name property in DT

2016-01-02 Thread Pali Rohár
On Monday 28 December 2015 15:55:28 Arnd Bergmann wrote: > On Monday 28 December 2015 15:54:35 Pali Rohár wrote: > > On Monday 28 December 2015 15:41:01 Arnd Bergmann wrote: > > > On Monday 28 December 2015 15:28:48 Pali Rohár wrote: > > > > On Monday 28 December 2015 15:14:50 Arnd Bergmann wrote:

Re: [PATCH v2 08/24] mmc: sdhci: avoid unnecessary mapping/unmapping of align buffer

2016-01-02 Thread Russell King - ARM Linux
On Sat, Jan 02, 2016 at 12:29:19PM +, Russell King - ARM Linux wrote: > On Tue, Dec 29, 2015 at 03:44:38PM +0200, Adrian Hunter wrote: > > On 21/12/15 13:41, Russell King wrote: > > > Unnecessarily mapping and unmapping the align buffer for SD cards is > > > expensive: performance measurements

Re: 1217:8520 [Dell Latitude E7450] O2 Micro, SD/MMC Card Reader doesn't work

2016-01-02 Thread Russell King - ARM Linux
On Mon, Dec 28, 2015 at 12:47:26PM +0100, Ulf Hansson wrote: > On 23 December 2015 at 12:13, Russell King - ARM Linux > wrote: > > On Tue, Dec 22, 2015 at 09:30:00AM +0100, Ulf Hansson wrote: > >> This quirk seems a bit strange. It looks like a generic problem being > >> solved by the wrong approa

Re: [PATCH v2 08/24] mmc: sdhci: avoid unnecessary mapping/unmapping of align buffer

2016-01-02 Thread Russell King - ARM Linux
On Tue, Dec 29, 2015 at 03:44:38PM +0200, Adrian Hunter wrote: > On 21/12/15 13:41, Russell King wrote: > > Unnecessarily mapping and unmapping the align buffer for SD cards is > > expensive: performance measurements on iMX6 show that this gives a hit > > of 10% on hdparm buffered disk reads. > >

Re: [PATCH v2 07/24] mmc: sdhci: command response CRC error handling

2016-01-02 Thread Russell King - ARM Linux
On Tue, Dec 29, 2015 at 03:08:20PM +0200, Adrian Hunter wrote: > On 21/12/15 13:40, Russell King wrote: > > When we get a response CRC error on a command, it means that the > > response we received back from the card was not correct. It does not > > mean that the card did not receive the command c

[PATCH] mmc: sd: limit SD card power limit according to cards capabilities

2016-01-02 Thread Russell King
The SD card specification allows cards to error out a SWITCH command where the requested function in a group is not supported. The spec provides for a set of capabilities which indicate which functions are supported. In the case of the power limit, requesting an unsupported power level via the SW