From: "Peter Wang (王信友)" <peter.wang@mediatek.com>
To: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"James.Bottomley@HansenPartnership.com"
<James.Bottomley@HansenPartnership.com>,
"Ed Tsai (蔡宗軒)" <Ed.Tsai@mediatek.com>,
"alim.akhtar@samsung.com" <alim.akhtar@samsung.com>,
"avri.altman@wdc.com" <avri.altman@wdc.com>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"bvanassche@acm.org" <bvanassche@acm.org>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-mediatek@lists.infradead.org"
<linux-mediatek@lists.infradead.org>,
"Chun-Hung Wu (巫駿宏)" <Chun-hung.Wu@mediatek.com>,
"Naomi Chu (朱詠田)" <Naomi.Chu@mediatek.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
wsd_upstream <wsd_upstream@mediatek.com>,
"Alice Chao (趙珮均)" <Alice.Chao@mediatek.com>
Subject: Re: [PATCH 2/2] ufs: mediatek: Implement get_hba_nortt callback for RTT capability
Date: Wed, 10 Jun 2026 05:34:13 +0000 [thread overview]
Message-ID: <680b0c845682dced056e7e6b3bfee14cb0c959c6.camel@mediatek.com> (raw)
In-Reply-To: <20260609103856.676222-3-ed.tsai@mediatek.com>
On Tue, 2026-06-09 at 18:38 +0800, ed.tsai@mediatek.com wrote:
> From: Ed Tsai <ed.tsai@mediatek.com>
>
> Implement the get_hba_nortt callback to handle platform-specific RTT
> capability differences:
>
> - For legacy platforms and IP versions before MT6995 B0, the RTT
> capability from host controller register is problematic, so limit
> it to 2 (MTK_MAX_NUM_RTT_LEGACY).
>
> - For MT6995 B0 and later platforms, the issue is fixed and the
> value from host controller capability register can be used
> directly.
>
> This replaces the previous max_num_rtt field in ufs_hba_variant_ops
> with dynamic platform-specific logic.
>
> Signed-off-by: Ed Tsai <ed.tsai@mediatek.com>
> ---
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
next prev parent reply other threads:[~2026-06-10 5:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-09 10:38 [PATCH 0/2] ufs: Add callback for vendor-specific RTT capability ed.tsai
2026-06-09 10:38 ` [PATCH 1/2] ufs: core: Add get_hba_nortt " ed.tsai
2026-06-10 5:33 ` Peter Wang (王信友)
2026-06-10 16:46 ` Bart Van Assche
2026-06-09 10:38 ` [PATCH 2/2] ufs: mediatek: Implement get_hba_nortt callback for " ed.tsai
2026-06-10 5:34 ` Peter Wang (王信友) [this message]
2026-06-10 16:46 ` Bart Van Assche
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