From: Adrian Hunter <adrian.hunter@intel.com>
To: Giuseppe CAVALLARO <peppe.cavallaro@st.com>
Cc: linux-mmc@vger.kernel.org, Chris Ball <cjb@laptop.org>
Subject: Re: [PATCH] mmc: debugfs: expose the SDCLK frq in sys ios (V6)
Date: Fri, 04 Nov 2011 15:37:08 +0200 [thread overview]
Message-ID: <4EB3EA84.5000806@intel.com> (raw)
In-Reply-To: <1320411199-16860-1-git-send-email-peppe.cavallaro@st.com>
On 04/11/11 14:53, Giuseppe CAVALLARO wrote:
> This patch is to expose the actual SDCLK frequency in
> /sys/kernel/debug/mmcX/ios entry.
>
> For example, if the max clk for a normal speed card is 20MHz
> this is reported in /sys/kernel/debug/mmcX/ios.
> Unfortunately the actual SDCLK frequency (i.e. Baseclock / divisor)
> is not reported at all: for example, in that case, on Arasan HC,
> it should be 48/4=12 (MHz).
>
> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
> ---
> drivers/mmc/core/debugfs.c | 2 ++
> drivers/mmc/host/sdhci.c | 10 ++++++++++
> include/linux/mmc/host.h | 2 ++
> 3 files changed, 14 insertions(+), 0 deletions(-)
>
next prev parent reply other threads:[~2011-11-04 13:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-03 6:45 [PATCH] mmc: debugfs: expose the SDCLK frq in sys ios (V4) Giuseppe CAVALLARO
2011-11-03 7:41 ` Adrian Hunter
2011-11-04 6:56 ` Giuseppe CAVALLARO
2011-11-04 7:16 ` [PATCH] mmc: debugfs: expose the SDCLK frq in sys ios (V5) Giuseppe CAVALLARO
2011-11-04 9:00 ` Adrian Hunter
2011-11-04 12:53 ` [PATCH] mmc: debugfs: expose the SDCLK frq in sys ios (V6) Giuseppe CAVALLARO
2011-11-04 13:37 ` Adrian Hunter [this message]
2011-11-12 1:59 ` Chris Ball
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