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b062136d0d
Add a test to repeatedly re-tune in between random reads. The test is non-destructive of data on the card and runs for 30 seconds. It can be repeated to test for longer durations. If re-tuning is not supported, the test is skipped. Example: # echo 'mmc1:0001' > /sys/bus/mmc/drivers/mmcblk/unbind # echo 'mmc1:0001' > /sys/bus/mmc/drivers/mmc_test/bind [ 36.642257] mmc_test mmc1:0001: Card claimed for testing. # cat /sys/kernel/debug/mmc1/mmc1\:0001/testlist | grep tuning 52: Re-tuning reliability # echo 52 > /sys/kernel/debug/mmc1/mmc1\:0001/test [ 91.522555] mmc1: Starting tests of card mmc1:0001... [ 91.528425] mmc1: Test case 52. Re-tuning reliability... [ 121.536682] mmc1: Result: OK [ 121.539572] mmc1: Tests completed. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20231214090902.43628-1-adrian.hunter@intel.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| net | ||
| rust | ||
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| security | ||
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| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
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| Makefile | ||
| README | ||
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.