From: Kalle Valo <kvalo@kernel.org>
To: Cai Huoqing <cai.huoqing@linux.dev>
Cc: cai.huoqing@linux.dev, "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Yan-Hsuan Chuang <tony0620emma@gmail.com>,
Ping-Ke Shih <pkshih@realtek.com>,
ath10k@lists.infradead.org, linux-wireless@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
ath11k@lists.infradead.org, ath12k@lists.infradead.org
Subject: Re: [PATCH 5/5] wifi: rtw89: Remove redundant pci_clear_master
Date: Mon, 3 Apr 2023 13:38:57 +0000 (UTC) [thread overview]
Message-ID: <168052913602.11825.8401946165259356841.kvalo@kernel.org> (raw)
In-Reply-To: <20230323112613.7550-5-cai.huoqing@linux.dev>
Cai Huoqing <cai.huoqing@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@linux.dev>
> Reviewed-by: Simon Horman <simon.horman@corigine.com>
> Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Patch applied to wireless-next.git, thanks.
5995f7463101 wifi: rtw89: Remove redundant pci_clear_master
--
https://patchwork.kernel.org/project/linux-wireless/patch/20230323112613.7550-5-cai.huoqing@linux.dev/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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next prev parent reply other threads:[~2023-04-03 13:39 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-23 11:26 [PATCH 1/5] wifi: ath11k: Remove redundant pci_clear_master Cai Huoqing
2023-03-23 11:26 ` [PATCH 2/5] wifi: ath10k: " Cai Huoqing
2023-03-26 9:30 ` Simon Horman
2023-03-23 11:26 ` [PATCH 3/5] wifi: ath12k: " Cai Huoqing
2023-03-26 9:31 ` Simon Horman
2023-03-23 11:26 ` [PATCH 4/5] wifi: rtw88: " Cai Huoqing
2023-03-26 9:31 ` Simon Horman
2023-03-31 14:49 ` Kalle Valo
2023-03-23 11:26 ` [PATCH 5/5] wifi: rtw89: " Cai Huoqing
2023-03-26 9:31 ` Simon Horman
2023-04-03 13:38 ` Kalle Valo [this message]
2023-03-26 9:30 ` [PATCH 1/5] wifi: ath11k: " Simon Horman
2023-04-12 10:03 ` Kalle Valo
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