diff options
| author | Yoshitaka Ikeda <ikeda@nskint.co.jp> | 2021-07-15 16:21:32 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-07-15 19:55:48 +0100 |
| commit | 55cef88bbf12f3bfbe5c2379a8868a034707e755 (patch) | |
| tree | 89f2aaaca0afac82f12378c3b92e1334fd38cf1c /lib/mpi/mpicoder.c | |
| parent | c934fec1c32840224fd975544c347823962193b2 (diff) | |
spi: spi-cadence-quadspi: Fix division by zero warning
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.
:
[ 0.834051] [<807fd40c>] (__div0) from [<804e1acc>] (Ldiv0+0x8/0x10)
[ 0.839097] [<805f0710>] (cqspi_exec_mem_op) from [<805edb4c>] (spi_mem_exec_op+0x3b0/0x3f8)
Fixes: 7512eaf54190 ("spi: cadence-quadspi: Fix dummy cycle calculation when buswidth > 1")
Signed-off-by: Yoshitaka Ikeda <ikeda@nskint.co.jp>
Link: https://lore.kernel.org/r/ed989af6-da88-4e0b-9ed8-126db6cad2e4@nskint.co.jp
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'lib/mpi/mpicoder.c')
0 files changed, 0 insertions, 0 deletions