On Tue, Jul 13, 2021 at 07:23:12AM +0000, Yoshitaka Ikeda wrote: > Fix below division by zero warning: > - Added an if statement because buswidth can be zero, resulting in division by zero. > - The modified code was based on another driver (atmel-quadspi). > > [ 0.795337] Division by zero in kernel. > [ 0.797878] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.12.0-xxx-xxxx+ #1 > [ 0.803782] Hardware name: Altera SOCFPGA > [ 0.806481] Backtrace: > [ 0.807628] [<807fd2b0>] (dump_backtrace) from [<807fd554>] (show_stack+0x20/0x24) Please think hard before including complete backtraces in upstream reports, they are very large and contain almost no useful information relative to their size so often obscure the relevant content in your message. If part of the backtrace is usefully illustrative (it often is for search engines if nothing else) then it's usually better to pull out the relevant sections.
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