8fddfb39a4
intel_scu_ipc_i2c_cntrl() calls mutex_lock(), which indicates this function is not called in atomic context. Despite never getting called from atomic context, intel_scu_ipc_i2c_cntrl() calls mdelay to busily wait. This is not necessary and can be replaced with usleep_range to avoid busy waiting. This is found by a static analysis tool named DCNS written by myself. And I also manually check it. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
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