linux-kernel - Re: [PATCH v2 4/4] mmc: sdhci-msm: Add sdhci msm register write APIs which wait for pwr irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 14 Oct 2017 00:31:18 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Vijay Viswanath <vviswana@...eaurora.org>
Cc:     adrian.hunter@...el.com, ulf.hansson@...aro.org,
        will.deacon@....com, linux-arm-kernel@...ts.infradead.org,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, asutoshd@...eaurora.org,
        stummala@...eaurora.org, riteshh@...eaurora.org,
        subhashj@...eaurora.org
Subject: Re: [PATCH v2 4/4] mmc: sdhci-msm: Add sdhci msm register write APIs
 which wait for pwr irq

On Tue 26 Sep 22:34 PDT 2017, Vijay Viswanath wrote:

> diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
[..]
> +	if (!done) {
> +		if (!wait_event_timeout(msm_host->pwr_irq_wait,
> +				msm_host->pwr_irq_flag,
> +				msecs_to_jiffies(MSM_PWR_IRQ_TIMEOUT_MS)))
> +			__WARN_printf("%s: pwr_irq for req: (%d) timed out\n",
> +					mmc_hostname(host->mmc), req_type);

Bumped my MSM8974AB device to latest linux-next and found this patch; I
see this print every five seconds during boot and the eMMC never comes
up.

Regards,
Bjorn