linux-kernel - Re: [PATCH] mmc: Add config_host callback to set a mmc queue

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Message-ID: <ZyxelKdmXXiSVL1g@infradead.org>
Date: Wed, 6 Nov 2024 22:30:44 -0800
From: Christoph Hellwig <hch@...radead.org>
To: Jangsub Yi <jangsub.yi@...sung.com>
Cc: ulf.hansson@...aro.org, linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org, junwoo80.lee@...sung.com,
	sh8267.baek@...sung.com, wkon.kim@...sung.com
Subject: Re: [PATCH] mmc: Add config_host callback to set a mmc queue

On Wed, Nov 06, 2024 at 02:13:47PM +0900, Jangsub Yi wrote:
> From: "jangsub.yi" <jangsub.yi@...sung.com>
> 
> Currently, there is no way to set up a host-dependent MMC queue.
> In UFS driver, it is possible to configure the request queue in
> ufshcd_slave_configure.
> 
> There are cases where we need to configure and check the current
> state of the request queue on the host operation. For example,
> mmc_queue->in_recovery, in_flight, mmc_queue->queue->queue_flag, etc.
> 
> Additionally, since the timeout setting may be longer depending
> on the device, block layer settings such as timeout are also required.
> 
> To add the configuration for the MMC queue, I will add the corresponding
> code and initially try to add it during initialization in block.c.
> The detailed implementation will be done on the host side.

This seems to lack an actual user and thus just creates dead code.