[PATCH 4/5] wifi: rtw88: Remove redundant pci_clear_master
Kalle Valo
kvalo at kernel.org
Fri Mar 31 07:49:14 PDT 2023
Cai Huoqing <cai.huoqing at linux.dev> wrote:
> Remove pci_clear_master to simplify the code,
> the bus-mastering is also cleared in do_pci_disable_device,
> like this:
> ./drivers/pci/pci.c:2197
> static void do_pci_disable_device(struct pci_dev *dev)
> {
> u16 pci_command;
>
> pci_read_config_word(dev, PCI_COMMAND, &pci_command);
> if (pci_command & PCI_COMMAND_MASTER) {
> pci_command &= ~PCI_COMMAND_MASTER;
> pci_write_config_word(dev, PCI_COMMAND, pci_command);
> }
>
> pcibios_disable_device(dev);
> }.
> And dev->is_busmaster is set to 0 in pci_disable_device.
>
> Signed-off-by: Cai Huoqing <cai.huoqing at linux.dev>
> Reviewed-by: Simon Horman <simon.horman at corigine.com>
> Reviewed-by: Ping-Ke Shih <pkshih at realtek.com>
Patch applied to wireless-next.git, thanks.
e665c6d67e54 wifi: rtw88: Remove redundant pci_clear_master
--
https://patchwork.kernel.org/project/linux-wireless/patch/20230323112613.7550-4-cai.huoqing@linux.dev/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
More information about the ath10k
mailing list