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Get the reset control properties for the QSPI controller and bring them out of reset. Most will have just one reset bit, but there is an additional OCP reset bit that is used ECC. The OCP reset bit will also need to get de-asserted as well. [1] The reason this patch is needed is in the case where a bootloader leaves the QSPI controller in a reset state, or a state where init cannot occur successfully, the patch will put the QSPI controller into a clean state. [1] https://www.intel.com/content/www/us/en/programmable/hps/arria-10/hps.html#reg_soc_top/sfo1429890575955.html Suggested-by: Tien-Fong Chee <tien.fong.chee@intel.com> Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com> [tudor.ambarus@microchip.com: declare rstc and rstc_ocp on the same line] Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> |
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arch | ||
block | ||
certs | ||
crypto | ||
Documentation | ||
drivers | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
LICENSES | ||
mm | ||
net | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
COPYING | ||
CREDITS | ||
Kbuild | ||
Kconfig | ||
MAINTAINERS | ||
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.