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authorMark Brown <broonie@kernel.org>2024-10-01 00:43:34 +0300
committerMark Brown <broonie@kernel.org>2024-10-01 00:43:34 +0300
commitb45938ed3691e0c9ccf3fac16bdbb14a52c3c597 (patch)
tree0e04db2b4e08b74dcd5d5eed04f08f5535ac2848 /tools/perf/scripts/python/stackcollapse.py
parent625de1881b5aee6a42a3130004e47dbd632429f8 (diff)
parent6c30eee359127c31cd8c6b586c8c3ced9f50f74b (diff)
downloadlinux-b45938ed3691e0c9ccf3fac16bdbb14a52c3c597.tar.xz
spi: spi_amd: Performance Optimization Patch Series
Merge series from Raju Rangoju <Raju.Rangoju@amd.com>: AMD SPI controller’s index mode performance is constrained by the hardware limitation of the FIFO queue length. This patch series introduces optimizations to the spi_amd driver, aiming to maximize throughput and enhance overall performance. The changes includes, - Enable SPI dual and quad I/O modes and update SPI-MEM support function to reflect AMD SPI0 hardware capabilities. - Utilize efficient kernel APIs to streamline SPI I/O operations for enhanced performance. - Refine the set tx/rx count functions to optimize SPI I/O throughput. - Minimize the number of data read calls by efficiently retrieving data from FIFO queues, improving SPI I/O efficiency. - Add changes to support AMD HID2 SPI controller and update SPI-MEM support function to reflect AMD HID2 hardware capabilities. - Add changes to set SPI controller address mode before initiating the commands - Add changes to implement HIDDMA read operation support for HID2 SPI controller
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