linux-kernel - Re: [PATCH 0/3] omap_hsmmc: Fix card enumeration failure on

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Message-ID: <55A0EF26.7060501@ti.com>
Date:	Sat, 11 Jul 2015 15:55:42 +0530
From:	"R, Vignesh" <vigneshr@...com>
To:	Ulf Hansson <ulf.hansson@...aro.org>
CC:	Andreas Fenkart <afenkart@...il.com>,
	Tony Lindgren <tony@...mide.com>, NeilBrown <neilb@...e.de>,
	<linux-mmc@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/3] omap_hsmmc: Fix card enumeration failure on



On 6/16/2015 4:07 PM, Vignesh R wrote:
> 
> Hi,
> 
> When using omap_hsmmc driver, if sd-card repeatedly plug unplugged
> multiple times quickly, card enumeration stops after few iterations.
> This can be easily reproduced on DRA74X EVM which uses omap_hsmmc driver.
> This patch series addresses the above problem. The first patch fixes irq
> handler to report all DTOs to mmc-core. Second patch adds handling for
> BADA, DEB and CEB interrupts. The last patch introduces driver specific
> card detect irq handler to cleanup pending requests before card removal.
> 
> Tested on DRA74X amd DRA72X and AM437X-GP EVMs, by repeated intense
> plug/unplug iterations.
> 

Gentle ping.. These patches fix bugs related to interrupt handling in
omap_hsmmc. It also fixes bugs with unexpected card removal during data
transfer. Can this go into 4.2-rc??

> 
> Kishon Vijay Abraham I (1):
>   mmc: host: omap_hsmmc: Fix DTO and DCRC handling
> 
> Vignesh R (2):
>   mmc: host: omap_hsmmc: Handle BADA, DEB and CEB interrupts
>   mmc: host: omap_hsmmc: Add custom card detect irq handler
> 
>  drivers/mmc/host/omap_hsmmc.c | 84 ++++++++++++++++++++++++++++++++---
>  1 file changed, 78 insertions(+), 6 deletions(-)
> 
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