Yoshihiro Shimoda 4c94cb651f mmc: core: retry CMD1 in mmc_send_op_cond() even if the ocr = 0
According to eMMC specification v5.1 section 6.4.3, we should issue
CMD1 repeatedly in the idle state until the eMMC is ready even if
the mmc_attach_mmc() calls this function with ocr = 0. Otherwise
some eMMC devices seems to enter the inactive mode after
mmc_init_card() issued CMD0 when the eMMC device is busy.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2019-04-29 12:37:11 +02:00
2019-04-13 09:03:09 -07:00
2019-03-07 18:32:03 -08:00
2019-04-11 14:36:30 +02:00
2019-04-13 16:23:16 -07:00
2019-03-28 19:07:30 +01:00
2019-04-02 18:12:44 -10:00
2019-03-06 14:18:59 -08:00
2019-03-10 17:48:21 -07:00
2019-04-14 15:17:41 -07:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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