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authorMischa Jonker <mjonker@synopsys.com>2013-08-30 13:56:25 +0400
committerVineet Gupta <vgupta@synopsys.com>2013-09-05 09:01:12 +0400
commit7efd0da2d17360e1cef91507dbe619db0ee2c691 (patch)
tree368a10f49fae6386d201154b6a628cf7b4c01e67 /lib/Kconfig.debug
parent8508d5653f4ca25cd13f87340121afdfed448e1b (diff)
downloadlinux-7efd0da2d17360e1cef91507dbe619db0ee2c691.tar.xz
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>
Diffstat (limited to 'lib/Kconfig.debug')
0 files changed, 0 insertions, 0 deletions