Messages in this thread | | | Date | Mon, 17 Aug 2020 13:19:21 +0530 | From | Vaibhav Gupta <> | Subject | Re: [PATCH v1 0/3] char: use generic power management |
| |
On Fri, Jul 17, 2020 at 01:19:34PM +0530, Vaibhav Gupta wrote: > Linux Kernel Mentee: Remove Legacy Power Management. > > The purpose of this patch series is to upgrade power management in char > drivers. This has been done by upgrading .suspend() and .resume() callbacks. > > The upgrade makes sure that the involvement of PCI Core does not change the > order of operations executed in a driver. Thus, does not change its behavior. > > In general, drivers with legacy PM, .suspend() and .resume() make use of PCI > helper functions like pci_enable/disable_device_mem(), pci_set_power_state(), > pci_save/restore_state(), pci_enable/disable_device(), etc. to complete > their job. > > The conversion requires the removal of those function calls, change the > callbacks' definition accordingly and make use of dev_pm_ops structure. > > All patches are compile-tested only. > > Test tools: > - Compiler: gcc (GCC) 10.1.0 > - allmodconfig build: make -j$(nproc) W=1 all > > Vaibhav Gupta (3): > amd64-agp: use generic power management > sis-agp: use generic power management > via-agp: use generic power management > > drivers/char/agp/amd64-agp.c | 24 ++++++------------------ > drivers/char/agp/sis-agp.c | 25 ++++++------------------- > drivers/char/agp/via-agp.c | 25 +++++-------------------- > 3 files changed, 17 insertions(+), 57 deletions(-) > > -- > 2.27.0 >
| |