2015-07-30 18:14 GMT+09:00 Robert Baldyga <r.baldyga@xxxxxxxxxxx>: > Hello, > > This patch set fixes bug causing serial hang in DMA mode for FIFO sizes > smaller than cache alignment. The first patch fixes DMA mode entering > condition to avoid starting with buffer smaller than cache line size. > Second patch fixes the serial hang bug, which was caused by unproper > buffer aligning algorithm which assumed that there is always enough > free space in FIFO for excessive bytes of buffer that is being alligned. > > Best regards, > Robert Baldyga > > Marek Szyprowski (1): > serial: samsung: calculate min_dma_size > > Robert Baldyga (1): > serial: samsung: fix DMA for FIFO smaller than cache line size > > drivers/tty/serial/samsung.c | 47 +++++++++++++++++++++++++++++--------------- > drivers/tty/serial/samsung.h | 1 + > 2 files changed, 32 insertions(+), 16 deletions(-) Does this apply for stable backporting? Or at least fixes tag indicating a bug? I could not figure this out from description of first patch. For second patch it seems it applies. Anyway I would appreciate a reported-by credits. Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
