On Fri, Dec 30, 2022 at 12:29:19PM +0300, Ivan Bornyakov wrote: > A couple of reliability improvements for Microchip Polarfire FPGA > manager: > * move SPI I/O buffers out of stack > * rewrite status polling routine in a time measurable way > > Also improve mpf_ops_write() code readability by separating single data > frame writing routine. > > ChangeLog: > v1: > [https://lore.kernel.org/linux-fpga/20221223123854.8023-1-i.bornyakov@xxxxxxxxxxx/] > v2: > * split into 3 distinct patches > [https://lore.kernel.org/linux-fpga/20221226142326.8111-1-i.bornyakov@xxxxxxxxxxx/] > v3: > * fix polling stop condition in mpf_poll_status() as Ilpo suggested. > [https://lore.kernel.org/linux-fpga/20221227100450.2257-1-i.bornyakov@xxxxxxxxxxx/] > v4: > * more verbose comment for mpf_poll_status() > [https://lore.kernel.org/linux-fpga/20221229104604.2496-1-i.bornyakov@xxxxxxxxxxx/] > v5: > * revord "fpga: microchip-spi: move SPI I/O buffers out of stack" > commit message "Use allocated buffers" -> "Use cacheline aligned > buffers" > * drop __aligned(ARCH_KMALLOC_MINALIGN) attribute of struct mpf_priv > member "rx". tx and rx are used synchronously by dma, they could > share a cacheline. > > Ivan Bornyakov (3): > fpga: microchip-spi: move SPI I/O buffers out of stack > fpga: microchip-spi: rewrite status polling in a time measurable way > fpga: microchip-spi: separate data frame write routine > > drivers/fpga/microchip-spi.c | 145 +++++++++++++++++++---------------- > 1 file changed, 79 insertions(+), 66 deletions(-) > > -- > 2.38.2 > Friendly ping.
