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12e3ffb932
In dt-bindings for ufs, "<name>-max-microamp" property indicates current limit and is mandatory if "<name>-fixed-regulator" is not defined on a specified regulator. However, in some platforms, regulators without "<name>-fixed-regulator" property may not need to define their current limit because they may want to define voltage range only for proper voltage switching in different power modes, especially for vcc, vccq or vccq2. Currently missing "<name>-max-microamp" property in device tree will lead initialization to fail, thus such limitation shall be resolved to tolerate this kind of regulators. After resolving this, regulators without "<name>-max-microamp" property will have undefined "max current" value, i.e., zero value in "max_uA" field in struct ufs_vreg. Because we do bypass current switching operation (by regulator_set_load) in case of undefined current limit, this patch shall be safe. Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Reviewed-by: Avri Altman <avri.altman@wdc.com> Acked-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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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.