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authorNishanth Menon <nm@ti.com>2010-11-19 11:18:12 -0500
committerSandeep Paulraj <s-paulraj@ti.com>2010-11-19 16:27:37 -0500
commiteb9a28f699667919bf140bdabdf37c25be725c79 (patch)
tree2ba25ba5964c433e270c78acfd5ccdb8862a05c3 /post
parentf35d61ac3d1fd324a171904f3fa114e3b10e24ef (diff)
mmc: omap: timeout counter fix
Having a loop with a counter is no timing guarentee for timing accuracy or compiler optimizations. For e.g. the same loop counter which runs when the MPU is running at 600MHz will timeout in around half the time when running at 1GHz. or the example where GCC 4.5 compiles with different optimization compared to GCC 4.4. use timer to keep track of time elapse and we use an emperical number - 1sec for a worst case timeout. This should never happen, and is adequate imaginary condition for us to fail with timeout. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
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