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86c4e7c350
aty128_set_suspend() is never called in atomic context. The call chains ending up at aty128_set_suspend() are: [1] aty128_set_suspend() <- aty128_pci_suspend() [2] aty128_set_suspend() <- aty128_do_resume() <- aty128_pci_resume() [3] aty128_set_suspend() <- aty128_do_resume() <- aty128_early_resume() aty128_pci_suspend() is set as ".suspend" in struct pci_driver. aty128_pci_resume() is set as ".resume" in struct pci_driver. aty128_early_resume() is never called. These functions are not called in atomic context. Despite never getting called from atomic context, aty128_set_suspend() calls mdelay() to busily wait. This is not necessary and can be replaced with msleep() 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> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> |
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videomode.c |