Re: [RFC PATCH] mmc: sdhci: tegra: fix wrong unit with busy_timeout

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On Fri, Nov 13, 2020 at 10:34:27AM -0800, Sowjanya Komatineni wrote:
> 
> On 11/13/20 8:38 AM, Thierry Reding wrote:
> > On Fri, Nov 13, 2020 at 01:53:30PM +0100, Wolfram Sang wrote:
> > > 'busy_timeout' is in msecs, not in jiffies. Use the correct factor.
> > > 
> > > Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> > > ---
> > > 
> > > Not tested. Found by code investigation about 'busy_timeout'. A quick
> > > grep showed no other problematic code within the MMC host drivers.
> > > 
> > >   drivers/mmc/host/sdhci-tegra.c | 2 +-
> > >   1 file changed, 1 insertion(+), 1 deletion(-)
> > Sowjanya, can you take a look at this?
> > 
> > Thierry
> 
> Thanks Wolfram.
> 
> Right cmd busy_timeout is in msec and we have to enable ERASE_TIMEOUT_LIMIT
> bit for more than 11s busy operations.
> 
> So it should be MSEC_PER_SEC.

Great, thanks!

Acked-by: Thierry Reding <treding@xxxxxxxxxx>

And perhaps also:

Fixes: 5e958e4aacf4 ("sdhci: tegra: Implement Tegra specific set_timeout callback")

Not sure it's worth adding the latter because this has been in Linux
since 5.7 and I haven't heard of any issues.

Thierry

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