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 1/2] ufs: core: Add get_hba_nortt callback for vendor-specific RTT capability
Date: Wed, 10 Jun 2026 05:33:29 +0000 [thread overview]
Message-ID: <cdfc51c561fd7ab2fd3f05f53a02208641ad2bf9.camel@mediatek.com> (raw)
In-Reply-To: <20260609103856.676222-2-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>
>
> The number of outstanding RTTs read from host controller capability
> register is problematic on some platforms. Add a new vendor callback
> get_hba_nortt() to allow platform vendors to override the default RTT
> capability value with platform-specific handling.
>
> For platforms without the callback, continue to use the value from
> the
> host controller capability register.
>
> Also remove the max_num_rtt field from ufs_hba_variant_ops as it is
> replaced by the new get_hba_nortt callback.
>
> 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 5:33 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) [this message]
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)
2026-06-10 16:46 ` Bart Van Assche
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