Messages in this thread | | | From | Chris Ball <> | Subject | Re: [PATCH v3 2/2] mmc: tegra: fix reporting of base clock frequency | Date | Fri, 23 May 2014 13:53:29 +0100 |
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Hi,
On Fri, May 23 2014, Ulf Hansson wrote: > On 22 May 2014 17:55, Andrew Bresticker <abrestic@chromium.org> wrote: >> Tegra SDHCI controllers, by default, report a base clock frequency >> of 208Mhz in SDHCI_CAPABILTIES which may or may not be equal to the >> actual base clock frequency. This is because the clock rate is >> configured by the clock controller, which is external to the SD/MMC >> controller. Since the SD/MMC controller has no knowledge of how this >> clock is configured, it will simply report the maximum frequency. >> While the reported value can be overridden by setting BASE_CLK_FREQ in >> VENDOR_CLOCK_CTRL on Tegra30 and later SoCs, just set CAP_CLOCK_BASE_BROKEN >> and supply sdhci_pltfm_clk_get_max_clock(), which simply does a >> clk_get_rate(), as the get_max_clock() callback. >> >> Signed-off-by: Andrew Bresticker <abrestic@chromium.org> >> Tested-by: Stephen Warren <swarren@nvidia.com> >> Acked-by: Stephen Warren <swarren@nvidia.com> > > Thanks Andrew! > > Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> > > Chris, can you pick this up?
Thanks, pushed to mmc-next for 3.16.
- Chris. -- Chris Ball <http://printf.net/>
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