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Message-ID: <168129381469.14673.15764454080204541798.kvalo@kernel.org> Date: Wed, 12 Apr 2023 10:03:36 +0000 (UTC) From: Kalle Valo <kvalo@...nel.org> To: Cai Huoqing <cai.huoqing@...ux.dev> Cc: cai.huoqing@...ux.dev, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Yan-Hsuan Chuang <tony0620emma@...il.com>, Ping-Ke Shih <pkshih@...ltek.com>, ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, ath11k@...ts.infradead.org, ath12k@...ts.infradead.org Subject: Re: [PATCH 1/5] wifi: ath11k: Remove redundant pci_clear_master Cai Huoqing <cai.huoqing@...ux.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@...ux.dev> > Signed-off-by: Kalle Valo <quic_kvalo@...cinc.com> 3 patches applied to ath-next branch of ath.git, thanks. f812e2a9f85d wifi: ath11k: Remove redundant pci_clear_master 76008fc13b09 wifi: ath10k: Remove redundant pci_clear_master b9235aef8492 wifi: ath12k: Remove redundant pci_clear_master -- https://patchwork.kernel.org/project/linux-wireless/patch/20230323112613.7550-1-cai.huoqing@linux.dev/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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