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authorMischa Jonker <mjonker@synopsys.com>2013-08-30 11:56:25 +0200
committerVineet Gupta <vgupta@synopsys.com>2013-09-05 10:31:12 +0530
commit7efd0da2d17360e1cef91507dbe619db0ee2c691 (patch)
tree368a10f49fae6386d201154b6a628cf7b4c01e67 /lib
parent8508d5653f4ca25cd13f87340121afdfed448e1b (diff)
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ARC: Fix __udelay calculation
Cast usecs to u64, to ensure that the (usecs * 4295 * HZ) multiplication is 64 bit. Initially, the (usecs * 4295 * HZ) part was done as a 32 bit multiplication, with the result casted to 64 bit. This led to some bits falling off, causing a "DMA initialization error" in the stmmac Ethernet driver, due to a premature timeout. Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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