From: merez@codeaurora.org
To: Seungwon Jeon <tgih.jun@samsung.com>
Cc: linux-mmc@vger.kernel.org, 'Chris Ball' <cjb@laptop.org>,
merez@codeaurora.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 1/3] mmc: core: Add packed command feature of eMMC4.5
Date: Tue, 29 May 2012 04:37:54 -0700 (PDT) [thread overview]
Message-ID: <d98d78ec2312cbc5edb1b2c337ab788d.squirrel@www.codeaurora.org> (raw)
In-Reply-To: <009d01cd3411$0febc350$2fc349f0$%jun@samsung.com>
> @@ -1244,6 +1249,25 @@ static int mmc_init_card(struct mmc_host *host, u32
> ocr,
> }
> }
>
> + if ((host->caps2 & MMC_CAP2_PACKED_CMD) &&
> + (card->ext_csd.max_packed_writes > 0) &&
> + (card->ext_csd.max_packed_reads > 0)) {
> + err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
> + EXT_CSD_EXP_EVENTS_CTRL,
> + EXT_CSD_PACKED_EVENT_EN,
> + card->ext_csd.generic_cmd6_time);
> + if (err && err != -EBADMSG)
> + goto free_card;
> + if (err) {
> + pr_warning("%s: Enabling packed event failed\n",
> + mmc_hostname(card->host));
> + card->ext_csd.packed_event_en = 0;
> + err = 0;
> + } else {
> + card->ext_csd.packed_event_en = 1;
> + }
> + }
> +
The above shoud not be performed in case of resume. Therefore it needs to
be done only if (!oldcard)
Thanks,
Maya Erez
Consultant for Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum
next prev parent reply other threads:[~2012-05-29 11:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-17 9:40 [PATCH v6 1/3] mmc: core: Add packed command feature of eMMC4.5 Seungwon Jeon
2012-05-20 11:31 ` merez
2012-05-21 11:30 ` Subhash Jadavani
2012-05-22 3:35 ` Seungwon Jeon
2012-05-29 11:37 ` merez [this message]
2012-05-29 12:45 ` Subhash Jadavani
2012-05-31 19:19 ` merez
2012-05-30 0:20 ` Seungwon Jeon
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