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From: Kalle Valo <kvalo@kernel.org>
To: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Cc: <ath11k@lists.infradead.org>, <linux-wireless@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <robh@kernel.org>
Subject: Re: [PATCH v2 02/19] ath11k: Refactor PCI code to support hybrid bus devices
Date: Mon, 21 Feb 2022 11:19:44 +0200	[thread overview]
Message-ID: <871qzwzidr.fsf@kernel.org> (raw)
In-Reply-To: <9acca69c-3d5d-b6b9-b5ca-c2411e206908@quicinc.com> (Manikanta Pubbisetty's message of "Mon, 21 Feb 2022 13:34:14 +0530")

Manikanta Pubbisetty <quic_mpubbise@quicinc.com> writes:

> On 1/28/2022 5:43 PM, Kalle Valo wrote:
>> Manikanta Pubbisetty <quic_mpubbise@quicinc.com> writes:
>>
>>> Unlike other ATH11K PCIe devices which are enumerated by APSS
>>> processor (Application Processor SubSystem), WCN6750 gets
>>> enumerated by the WPSS Q6 processor (Wireless Processor SubSystem);
>>> In simple terms, though WCN6750 is PCIe device, it is not attached
>>> to the APSS processor, APSS will not know of such a device being
>>> present in the system and therefore WCN6750 will be registered as
>>> a platform device to the kernel core like other supported AHB
>>> devices.
>>>
>>> WCN6750 uses both AHB and PCI APIs for it's operation, it uses
>>> AHB APIs for device probe/boot and PCI APIs for device setup
>>> and register accesses; Because of this nature, it is referred
>>> as a hybrid bus device.
>>>
>>> Refactor PCI code to support hybrid bus devices like WCN6750.
>>>
>>> Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00573-QCAMSLSWPLZ-1
>>> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
>>> Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01100-QCAHKSWPL_SILICONZ-1
>>> Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-00192-QCAHKSWPL_SILICONZ-1
>>>
>>> Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
>>
>> [...]
>>
>>> --- /dev/null
>>> +++ b/drivers/net/wireless/ath/ath11k/pci_cmn.c
>>
>> [...]
>>
>>> +static inline void ath11k_pci_select_window(struct ath11k_pci *ab_pci, u32 offset)
>>> +{
>>> +	struct ath11k_base *ab = ab_pci->ab;
>>> +
>>> +	u32 window = FIELD_GET(ATH11K_PCI_WINDOW_VALUE_MASK, offset);
>>> +
>>> +	lockdep_assert_held(&ab_pci->window_lock);
>>> +
>>> +	if (window != ab_pci->register_window) {
>>> +		iowrite32(ATH11K_PCI_WINDOW_ENABLE_BIT | window,
>>> +			  ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
>>> +		ioread32(ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
>>> +		ab_pci->register_window = window;
>>> +	}
>>> +}
>>
>> So the style used in ath11k is ath11k_<filename>_foo, so that a function
>> ath11k_pci_foo() should be in pci.c. This patch is now breaking that
>> style. Maybe pci_cmn.c should renamed to cpci.c, pcic.c or something
>> like that? Then the function prefix could be ath11k_cpci_, ath11k_pcic_
>> or similar.
>>
>
> Makes sense, pcic.c and ath11k_pcic_* looks better, I'll make these changes.

Of course another possiblity, which I forgot to mention in my previous
email, is to keep pci_cmn.c filename but rename the functions to
ath11k_pci_cmn_foo(). Though don't know which one is better.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

  reply	other threads:[~2022-02-21  9:48 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-16 12:46 [PATCH v2 00/19] add support for WCN6750 Manikanta Pubbisetty
2022-01-16 12:46 ` [PATCH v2 01/19] ath11k: PCI changes to support WCN6750 Manikanta Pubbisetty
2022-01-16 12:46 ` [PATCH v2 02/19] ath11k: Refactor PCI code to support hybrid bus devices Manikanta Pubbisetty
2022-01-28 10:16   ` Kalle Valo
2022-02-25  5:50     ` Manikanta Pubbisetty
2022-03-08  6:00       ` Manikanta Pubbisetty
2022-01-28 12:13   ` Kalle Valo
2022-02-21  8:04     ` Manikanta Pubbisetty
2022-02-21  9:19       ` Kalle Valo [this message]
2022-02-21 10:19         ` Manikanta Pubbisetty
2022-01-16 12:46 ` [PATCH v2 03/19] ath11k: Choose MSI config based on HW revision Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 04/19] ath11k: Refactor MSI logic Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 05/19] ath11k: Remove core PCI references from PCI common code Manikanta Pubbisetty
2022-01-28 10:20   ` Kalle Valo
2022-01-28 10:37     ` Kalle Valo
2022-02-21  7:07       ` Manikanta Pubbisetty
2022-02-21  9:21         ` Kalle Valo
2022-02-21  6:55     ` Manikanta Pubbisetty
2022-02-21  9:17       ` Kalle Valo
2022-02-21 10:08         ` Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 06/19] ath11k: Add HW params for WCN6750 Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 07/19] ath11k: Add bus " Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 08/19] ath11k: Add register access logic " Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 09/19] ath11k: Fetch device information via QMI " Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 10/19] ath11k: Add QMI changes " Manikanta Pubbisetty
2022-01-28 10:50   ` Kalle Valo
2022-02-21  8:02     ` Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 11/19] ath11k: HAL changes to support WCN6750 Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 12/19] ath11k: Datapath " Manikanta Pubbisetty
2022-04-27  5:32   ` Kalle Valo
2022-04-27  5:37     ` Manikanta Pubbisetty
2022-04-27  5:48       ` Kalle Valo
2022-04-27  5:56         ` Manikanta Pubbisetty
2022-04-29  8:56           ` Kalle Valo
2022-01-16 12:47 ` [PATCH v2 13/19] ath11k: Fix RX de-fragmentation issue on WCN6750 Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 14/19] ath11k: Do not put HW in DBS mode for WCN6750 Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 15/19] ath11k: WMI changes to support WCN6750 Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 16/19] ath11k: Update WBM idle ring HP after FW mode on Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 17/19] ath11k: Add support for WCN6750 device Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 18/19] ath11k: Add support for targets without trustzone Manikanta Pubbisetty
2022-01-28 10:42   ` Kalle Valo
2022-02-21  8:00     ` Manikanta Pubbisetty
2022-01-16 12:47 ` [PATCH v2 19/19] dt: bindings: net: add bindings of WCN6750 for ath11k Manikanta Pubbisetty
2022-01-28 10:39   ` Kalle Valo
2022-02-21  7:08     ` Manikanta Pubbisetty
2022-02-07 22:13   ` Rob Herring
2022-02-25 11:34     ` Manikanta Pubbisetty
2022-01-28 10:07 ` [PATCH v2 00/19] add support for WCN6750 Kalle Valo
2022-02-21  6:29   ` Manikanta Pubbisetty

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