From: Nan Li <nan.li@amlogic.com>
To: Jerome Brunet <jbrunet@baylibre.com>,
Jianxin Pan <Jianxin.Pan@amlogic.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Kevin Hilman <khilman@baylibre.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>,
"linux-amlogic@lists.infradead.org"
<linux-amlogic@lists.infradead.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Victor Wan <victor.wan@amlogic.com>
Subject: Consultation on related issues of Linux kernel4.19
Date: Thu, 3 Dec 2020 14:43:52 +0800 [thread overview]
Message-ID: <ea7ce09c-01a8-6a32-ab50-f288a859ab9a@amlogic.com> (raw)
In-Reply-To: <1jeeydf27h.fsf@starbuckisacylon.baylibre.com>
Hi，Jerome
I recently migrated the 4.19 kernel and found that the RCA
reconfiguration for emMC is available within the mmc_set_relative_addr()
function within the mmc_ops.c file, but for SD card or SDIO
configuration, the mmc_send_relative_addr() function within the sd_ops.c
file is not set.If I want to reset the RCA value of an SD card or SDIO
device area to satisfy my need to switch between multiple slave devices,
this function cannot be implemented.I'm wondering if the
mmc_send_relative_addr () function has no reconfiguration. What is the
purpose of this design?If I need this function, is there any interface I
can use?Or can I modify it?
I am looking forward to your reply. Thank you.
prev parent reply other threads:[~2020-12-03 6:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-04 11:54 [PATCH v2] mmc: meson-gx: fix mmc dma operation Jianxin Pan
2019-11-04 16:46 ` Jerome Brunet
[not found] ` <e80cb817-e58a-68ce-a3c6-d82636aaf7d3@amlogic.com>
2019-11-05 8:16 ` Jerome Brunet
[not found] ` <7ec2e682-cfec-395e-cf38-58f050440c40@amlogic.com>
2019-11-05 8:54 ` Jerome Brunet
[not found] ` <dee789ae-6825-3f4c-16e7-227e064562d6@amlogic.com>
2019-11-05 13:30 ` Jerome Brunet
2019-11-07 3:07 ` Nan Li
2019-11-12 17:02 ` Jerome Brunet
[not found] ` <ec705819-9763-b0d2-9480-949e7ccd1cb9@amlogic.com>
2019-11-12 17:12 ` Jerome Brunet
2019-11-13 6:04 ` Nan Li
2020-12-03 6:43 ` Nan Li [this message]
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