Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-12-16 Thread Ulf Hansson
On 16 December 2015 at 12:44, Ivan T. Ivanov wrote: > >> On Dec 16, 2015, at 12:18 PM, Ulf Hansson wrote: >> >> [...] >> It seems like a reasonable assumption that the controller can't cope with a higher clock rate than 100 MHz as "input"

Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-12-16 Thread Ivan T. Ivanov
> On Dec 16, 2015, at 12:18 PM, Ulf Hansson wrote: > > [...] > >>> It seems like a reasonable assumption that the controller can't cope >>> with a higher clock rate than 100 MHz as "input" clock. That would >>> then mean that there are different versions of the

Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-12-16 Thread Ulf Hansson
[...] >> It seems like a reasonable assumption that the controller can't cope >> with a higher clock rate than 100 MHz as "input" clock. That would >> then mean that there are different versions of the controller, as it >> seems like for some version it's fine with 200MHz and for some 100MHz. >>

Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-11-18 Thread Ulf Hansson
On 18 November 2015 at 02:38, Stephen Boyd wrote: > On 11/16, Ulf Hansson wrote: >> [...] >> >> >> > >> > In case you're wondering, the max frequency for sdc1 on 8974ac is >> > 400MHz. If it's just a plain 8974pro then the max frequency is >> > 200MHz. Otherwise, sdc2 maxes

Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-11-17 Thread Stephen Boyd
On 11/16, Ulf Hansson wrote: > [...] > > > > > > In case you're wondering, the max frequency for sdc1 on 8974ac is > > 400MHz. If it's just a plain 8974pro then the max frequency is > > 200MHz. Otherwise, sdc2 maxes out at 200Mhz and sdc3 and sdc4 max > > out at 100MHz. > > When you say that

Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-11-16 Thread Ulf Hansson
[...] >> Ahh, I see. >> >> It seems like a reasonable assumption that the controller can't cope >> with a higher clock rate than 100 MHz as "input" clock. That would >> then mean that there are different versions of the controller, as it >> seems like for some version it's fine with 200MHz and

Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-11-10 Thread Stephen Boyd
On 11/09, Ulf Hansson wrote: > On 7 November 2015 at 00:39, Bjorn Andersson > wrote: > > On Fri 06 Nov 00:10 PST 2015, Ulf Hansson wrote: > > > >> On 6 November 2015 at 02:42, Bjorn Andersson wrote: > >> > On Mon, Jul 6, 2015 at 4:53 AM, Ivan T.

Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-11-09 Thread Georgi Djakov
On 11/06/2015 03:42 AM, Bjorn Andersson wrote: > On Mon, Jul 6, 2015 at 4:53 AM, Ivan T. Ivanov wrote: >> Ensure SDCC is working with maximum clock otherwise card >> detection could be extremely slow, up to 7 seconds. >> >> Signed-off-by: Ivan T. Ivanov

Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-11-06 Thread Bjorn Andersson
On Fri 06 Nov 00:10 PST 2015, Ulf Hansson wrote: > On 6 November 2015 at 02:42, Bjorn Andersson wrote: > > On Mon, Jul 6, 2015 at 4:53 AM, Ivan T. Ivanov > > wrote: > >> Ensure SDCC is working with maximum clock otherwise card > >> detection could be

Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-11-05 Thread Bjorn Andersson
On Mon, Jul 6, 2015 at 4:53 AM, Ivan T. Ivanov wrote: > Ensure SDCC is working with maximum clock otherwise card > detection could be extremely slow, up to 7 seconds. > > Signed-off-by: Ivan T. Ivanov > Reviewed-by: Georgi Djakov

Re: [PATCH v2] mmc: sdhci-msm: Boost controller core clock

2015-07-20 Thread Ulf Hansson
On 6 July 2015 at 13:53, Ivan T. Ivanov ivan.iva...@linaro.org wrote: Ensure SDCC is working with maximum clock otherwise card detection could be extremely slow, up to 7 seconds. Signed-off-by: Ivan T. Ivanov ivan.iva...@linaro.org Reviewed-by: Georgi Djakov georgi.dja...@linaro.org